Merge branch 'develop'

Feature/1.3.1

.gitignore

@@ -3,3 +3,5 @@ build
 composer.lock
 vendor/
 .env
+data/database.sqlite
+docs/swagger-ui

CHANGELOG.md

@@ -1,63 +1,131 @@
 ## CHANGELOG
 
+### 1.3.1
+
+**Tasks**
+
+* [82: Enable FastRoute routes cache](https://github.com/shlinkio/shlink/issues/82)
+* [85: Update year in license file](https://github.com/shlinkio/shlink/issues/85)
+* [81: Add docker containers config](https://github.com/shlinkio/shlink/issues/81)
+
+**Bugs**
+
+* [83: Short codes list: search in tags when filtering by query string](https://github.com/shlinkio/shlink/issues/83)
+* [79: Increase the number of followed redirects](https://github.com/shlinkio/shlink/issues/79)
+* [75: Apply PathVersionMiddleware only to rest routes defining it by configuration instead of code](https://github.com/shlinkio/shlink/issues/75)
+* [77: Allow defining database server hostname and port](https://github.com/shlinkio/shlink/issues/77)
+
+### 1.3.0
+
+**Enhancements:**
+
+* [67: Allow to order the short codes list](https://github.com/shlinkio/shlink/issues/67)
+* [60: Accept JSON requests in REST and use a body parser middleware to set the parsedBody](https://github.com/shlinkio/shlink/issues/60)
+* [72: When listing API keys from CLI, display in yellow color enabled keys that have expired](https://github.com/shlinkio/shlink/issues/72)
+* [58: Allow to filter short URLs by tag](https://github.com/shlinkio/shlink/issues/58)
+* [69: Allow to filter short codes by text query](https://github.com/shlinkio/shlink/issues/69)
+
+**Tasks**
+
+* [73: Tag endpoints in swagger file](https://github.com/shlinkio/shlink/issues/73)
+* [71: Separate swagger docs into multiple files](https://github.com/shlinkio/shlink/issues/71)
+* [63: Add path versioning to REST API routes](https://github.com/shlinkio/shlink/issues/63)
+
+### 1.2.2
+
+**Bugs**
+
+* Fixed minor bugs on CORS requests
+
+### 1.2.1
+
+**Bugs**
+
+* [62: Fix cross-domain requests in REST API](https://github.com/shlinkio/shlink/issues/62)
+
+### 1.2.0
+
+**Features**
+
+* [45: Allow to define tags on short codes, to improve filtering and classification](https://github.com/shlinkio/shlink/issues/45)
+* [7: Add website previews while listing available URLs](https://github.com/shlinkio/shlink/issues/7)
+
+**Enhancements:**
+
+* [57: Add database migrations system to improve updating between versions](https://github.com/shlinkio/shlink/issues/57)
+* [31: Add support for other database management systems by improving the EntityManager factory](https://github.com/shlinkio/shlink/issues/31)
+* [51: Generate build process to paquetize the app and ease distribution](https://github.com/shlinkio/shlink/issues/51)
+* [38: Define installation script. It will request dynamic data on the fly so that there is no need to define env vars](https://github.com/shlinkio/shlink/issues/38)
+
+**Tasks**
+
+* [55: Create update script which does not try to create a new database](https://github.com/shlinkio/shlink/issues/55)
+* [54: Add cache namespace to prevent name collisions with other apps in the same environment](https://github.com/shlinkio/shlink/issues/54)
+* [29: Use the acelaya/ze-content-based-error-handler package instead of custom error handler implementation](https://github.com/shlinkio/shlink/issues/29)
+
+**Bugs**
+
+* [53: Fix entities database interoperability](https://github.com/shlinkio/shlink/issues/53)
+* [52: Add missing htaccess file for apache environments](https://github.com/shlinkio/shlink/issues/52)
+
 ### 1.1.0
 
 **Features**
 
-* [46: Define a route that returns a QR code representing the shortened URL](https://github.com/acelaya/url-shortener/issues/46)
+* [46: Define a route that returns a QR code representing the shortened URL](https://github.com/shlinkio/shlink/issues/46)
 
 **Enhancements:**
 
-* [32: Add support for other cache adapters by improving the Cache factory](https://github.com/acelaya/url-shortener/issues/32)
-* [14: https://github.com/shlinkio/shlink/issues/14](https://github.com/acelaya/url-shortener/issues/14)
-* [41: Cache the "short code" => "URL" map to prevent extra DB hits](https://github.com/acelaya/url-shortener/issues/41)
-* [13: Improve REST authentication](https://github.com/acelaya/url-shortener/issues/13)
+* [32: Add support for other cache adapters by improving the Cache factory](https://github.com/shlinkio/shlink/issues/32)
+* [14: https://github.com/shlinkio/shlink/issues/14](https://github.com/shlinkio/shlink/issues/14)
+* [41: Cache the "short code" => "URL" map to prevent extra DB hits](https://github.com/shlinkio/shlink/issues/41)
+* [13: Improve REST authentication](https://github.com/shlinkio/shlink/issues/13)
 
 **Tasks**
 
-* [39: Change copyright from "Alejandro Celaya" to "Shlink" in error pages](https://github.com/acelaya/url-shortener/issues/39)
-* [42: Make REST endpoints that need to find something return a 404 when "something" is not found](https://github.com/acelaya/url-shortener/issues/42)
-* [35: Make CLI commands to use the same PHP namespace as the one used for the command name](https://github.com/acelaya/url-shortener/issues/35)
+* [39: Change copyright from "Alejandro Celaya" to "Shlink" in error pages](https://github.com/shlinkio/shlink/issues/39)
+* [42: Make REST endpoints that need to find something return a 404 when "something" is not found](https://github.com/shlinkio/shlink/issues/42)
+* [35: Make CLI commands to use the same PHP namespace as the one used for the command name](https://github.com/shlinkio/shlink/issues/35)
 
 **Bugs**
 
-* [40: Take into account the X-Forwarded-For header in order to get the visitor information, in case the server is behind a load balancer or proxy](https://github.com/acelaya/url-shortener/issues/40)
+* [40: Take into account the X-Forwarded-For header in order to get the visitor information, in case the server is behind a load balancer or proxy](https://github.com/shlinkio/shlink/issues/40)
 
 ### 1.0.0
 
 **Enhancements:**
 
-* [33: Create a command to generate a short code charset by randomizing the default one](https://github.com/acelaya/url-shortener/issues/33)
-* [15: Return JSON/HTML responses for errors (4xx and 5xx) based on accept header (content negotiation)](https://github.com/acelaya/url-shortener/issues/15)
-* [23: Translate application literals](https://github.com/acelaya/url-shortener/issues/23)
-* [21: Allow to filter visits by date range](https://github.com/acelaya/url-shortener/issues/21)
-* [22: Save visits locations data on a visit_locations table](https://github.com/acelaya/url-shortener/issues/22)
-* [20: Inject cross domain headers in response only if the Origin header is present in the request](https://github.com/acelaya/url-shortener/issues/20)
-* [11: Separate code into multiple modules](https://github.com/acelaya/url-shortener/issues/11)
-* [18: Group routable middleware in an Action namespace](https://github.com/acelaya/url-shortener/issues/18)
+* [33: Create a command to generate a short code charset by randomizing the default one](https://github.com/shlinkio/shlink/issues/33)
+* [15: Return JSON/HTML responses for errors (4xx and 5xx) based on accept header (content negotiation)](https://github.com/shlinkio/shlink/issues/15)
+* [23: Translate application literals](https://github.com/shlinkio/shlink/issues/23)
+* [21: Allow to filter visits by date range](https://github.com/shlinkio/shlink/issues/21)
+* [22: Save visits locations data on a visit_locations table](https://github.com/shlinkio/shlink/issues/22)
+* [20: Inject cross domain headers in response only if the Origin header is present in the request](https://github.com/shlinkio/shlink/issues/20)
+* [11: Separate code into multiple modules](https://github.com/shlinkio/shlink/issues/11)
+* [18: Group routable middleware in an Action namespace](https://github.com/shlinkio/shlink/issues/18)
 
 **Tasks**
 
-* [36: Remove hhvm from the CI matrix since it doesn't support array constants and will fail](https://github.com/acelaya/url-shortener/issues/36)
-* [4: Installation steps](https://github.com/acelaya/url-shortener/issues/4)
-* [6: Remove dependency on expressive helpers package](https://github.com/acelaya/url-shortener/issues/6)
-* [30: Replace the "services" first level config entry by "dependencies", in order to fulfill default Expressive name](https://github.com/acelaya/url-shortener/issues/30)
-* [12: Improve code coverage](https://github.com/acelaya/url-shortener/issues/12)
-* [25: Replace "Middleware" suffix on routable middlewares by "Action"](https://github.com/acelaya/url-shortener/issues/25)
-* [19: Update the vendor and app namespace from Acelaya\UrlShortener to Shlinkio\Shlink](https://github.com/acelaya/url-shortener/issues/19)
+* [36: Remove hhvm from the CI matrix since it doesn't support array constants and will fail](https://github.com/shlinkio/shlink/issues/36)
+* [4: Installation steps](https://github.com/shlinkio/shlink/issues/4)
+* [6: Remove dependency on expressive helpers package](https://github.com/shlinkio/shlink/issues/6)
+* [30: Replace the "services" first level config entry by "dependencies", in order to fulfill default Expressive name](https://github.com/shlinkio/shlink/issues/30)
+* [12: Improve code coverage](https://github.com/shlinkio/shlink/issues/12)
+* [25: Replace "Middleware" suffix on routable middlewares by "Action"](https://github.com/shlinkio/shlink/issues/25)
+* [19: Update the vendor and app namespace from Acelaya\UrlShortener to Shlinkio\Shlink](https://github.com/shlinkio/shlink/issues/19)
 
 **Bugs**
 
-* [24: Prevent duplicated shortcodes errors because of the case insensitive behavior on MySQL](https://github.com/acelaya/url-shortener/issues/24)
+* [24: Prevent duplicated shortcodes errors because of the case insensitive behavior on MySQL](https://github.com/shlinkio/shlink/issues/24)
 
 ### 0.2.0
 
 **Enhancements:**
 
-* [9: Use symfony/console to dispatch console requests, instead of trying to integrate the process with expressive](https://github.com/acelaya/url-shortener/issues/9)
-* [8: Create a REST API](https://github.com/acelaya/url-shortener/issues/8)
-* [10: Add more CLI functionality](https://github.com/acelaya/url-shortener/issues/10)
+* [9: Use symfony/console to dispatch console requests, instead of trying to integrate the process with expressive](https://github.com/shlinkio/shlink/issues/9)
+* [8: Create a REST API](https://github.com/shlinkio/shlink/issues/8)
+* [10: Add more CLI functionality](https://github.com/shlinkio/shlink/issues/10)
 
 **Tasks**
 
-* [5: Create CHANGELOG file](https://github.com/acelaya/url-shortener/issues/5)
+* [5: Create CHANGELOG file](https://github.com/shlinkio/shlink/issues/5)

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2016 Alejandro Celaya
+Copyright (c) 2017 Alejandro Celaya
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

bin/cli

@@ -2,16 +2,10 @@
 <?php
 use Interop\Container\ContainerInterface;
 use Symfony\Component\Console\Application as CliApp;
-use Symfony\Component\Console\Application;
-use Zend\I18n\Translator\Translator;
 
 /** @var ContainerInterface $container */
 $container = include __DIR__ . '/../config/container.php';
 
-/** @var Translator $translator */
-$translator = $container->get('translator');
-$translator->setLocale(env('CLI_LOCALE', 'en'));
-
-/** @var Application $app */
+/** @var CliApp $app */
 $app = $container->get(CliApp::class);
 $app->run();

bin/install

@@ -0,0 +1,14 @@
+#!/usr/bin/env php
+<?php
+use Shlinkio\Shlink\CLI\Command\Install\InstallCommand;
+use Symfony\Component\Console\Application;
+use Zend\Config\Writer\PhpArray;
+
+chdir(dirname(__DIR__));
+
+require __DIR__ . '/../vendor/autoload.php';
+
+$app = new Application();
+$app->add(new InstallCommand(new PhpArray()));
+$app->setDefaultCommand('shlink:install');
+$app->run();

bin/update

@@ -0,0 +1,14 @@
+#!/usr/bin/env php
+<?php
+use Shlinkio\Shlink\CLI\Command\Install\UpdateCommand;
+use Symfony\Component\Console\Application;
+use Zend\Config\Writer\PhpArray;
+
+chdir(dirname(__DIR__));
+
+require __DIR__ . '/../vendor/autoload.php';
+
+$app = new Application();
+$app->add(new UpdateCommand(new PhpArray()));
+$app->setDefaultCommand('shlink:install');
+$app->run();

build.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+set -e
+
+if [ "$#" -ne 1 ]; then
+  echo "Usage:" >&2
+  echo "   $0 {version}" >&2
+  exit 1
+fi
+
+version=$1
+builtcontent=$(readlink -f '../shlink_build_tmp')
+projectdir=$(pwd)
+
+# Copy project content to temp dir
+echo 'Copying project files...'
+rm -rf "${builtcontent}"
+mkdir "${builtcontent}"
+sudo chmod -R 777 "${projectdir}"/data/infra/{database,nginx}
+cp -R "${projectdir}"/* "${builtcontent}"
+cd "${builtcontent}"
+
+# Install dependencies
+rm -r vendor
+rm composer.lock
+composer self-update
+composer install --no-dev --optimize-autoloader --no-progress --no-interaction
+
+# Delete development files
+echo 'Deleting dev files...'
+rm build.sh
+rm CHANGELOG.md
+rm composer.*
+rm LICENSE
+rm php*
+rm README.md
+rm -r build
+rm -f data/database.sqlite
+rm -rf data/infra
+rm -rf data/{cache,log,proxies}/{*,.gitignore}
+rm -rf config/params/{*,.gitignore}
+rm -rf config/autoload/{{,*.}local.php{,.dist},.gitignore}
+
+# Compressing file
+rm -f "${projectdir}"/build/shlink_${version}_dist.zip
+zip -ry "${projectdir}"/build/shlink_${version}_dist.zip .
+rm -rf "${builtcontent}"

composer.json

@@ -14,7 +14,7 @@
     "require": {
         "php": "^5.6 || ^7.0",
         "zendframework/zend-expressive": "^1.0",
-        "zendframework/zend-expressive-fastroute": "^1.1",
+        "zendframework/zend-expressive-fastroute": "^1.3",
         "zendframework/zend-expressive-twigrenderer": "^1.0",
         "zendframework/zend-stdlib": "^2.7",
         "zendframework/zend-servicemanager": "^3.0",
@@ -23,13 +23,18 @@
         "zendframework/zend-i18n": "^2.7",
         "mtymek/expressive-config-manager": "^0.4",
         "acelaya/zsm-annotated-services": "^0.2.0",
+        "acelaya/ze-content-based-error-handler": "^1.0",
         "doctrine/orm": "^2.5",
         "guzzlehttp/guzzle": "^6.2",
         "symfony/console": "^3.0",
+        "symfony/process": "^3.0",
+        "symfony/filesystem": "^3.0",
         "firebase/php-jwt": "^4.0",
         "monolog/monolog": "^1.21",
         "theorchard/monolog-cascade": "^0.4",
-        "endroid/qrcode": "^1.7"
+        "endroid/qrcode": "^1.7",
+        "mikehaertl/phpwkhtmltopdf": "^2.2",
+        "doctrine/migrations": "^1.4"
     },
     "require-dev": {
         "phpunit/phpunit": "^5.0",
@@ -37,7 +42,8 @@
         "roave/security-advisories": "dev-master",
         "filp/whoops": "^2.0",
         "symfony/var-dumper": "^3.0",
-        "vlucas/phpdotenv": "^2.2"
+        "vlucas/phpdotenv": "^2.2",
+        "phly/changelog-generator": "^2.1"
     },
     "autoload": {
         "psr-4": {
@@ -68,5 +74,8 @@
         "serve": "php -S 0.0.0.0:8000 -t public/",
         "test": "phpunit --coverage-clover build/clover.xml",
         "pretty-test": "phpunit --coverage-html build/coverage"
+    },
+    "config": {
+        "process-timeout": 0
     }
 }

config/autoload/app_options.global.php

@@ -3,7 +3,7 @@ return [
 
     'app_options' => [
         'name' => 'Shlink',
-        'version' => '1.1.0',
+        'version' => '1.2.0',
         'secret_key' => env('SECRET_KEY'),
     ],
 

config/autoload/dependencies.global.php

@@ -1,23 +1,18 @@
 <?php
-use Shlinkio\Shlink\Common\ErrorHandler\ContentBasedErrorHandler;
 use Zend\Expressive;
 use Zend\Expressive\Container;
 use Zend\Expressive\Router;
 use Zend\Expressive\Template;
 use Zend\Expressive\Twig;
-use Zend\ServiceManager\Factory\InvokableFactory;
 
 return [
 
     'dependencies' => [
         'factories' => [
             Expressive\Application::class => Container\ApplicationFactory::class,
-            Router\FastRouteRouter::class => InvokableFactory::class,
             Template\TemplateRendererInterface::class => Twig\TwigRendererFactory::class,
-        ],
-        'aliases' => [
-            Router\RouterInterface::class => Router\FastRouteRouter::class,
-            'Zend\Expressive\FinalHandler' => ContentBasedErrorHandler::class,
+            \Twig_Environment::class => Twig\TwigEnvironmentFactory::class,
+            Router\RouterInterface::class => Router\FastRouteRouterFactory::class,
         ],
     ],
 

config/autoload/entity-manager.global.php

@@ -6,14 +6,10 @@ return [
             'proxies_dir' => 'data/proxies',
         ],
         'connection' => [
-            'driver' => 'pdo_mysql',
             'user' => env('DB_USER'),
             'password' => env('DB_PASSWORD'),
             'dbname' => env('DB_NAME', 'shlink'),
             'charset' => 'utf8',
-            'driverOptions' => [
-                PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8',
-            ],
         ],
     ],
 

config/autoload/entity-manager.local.php.dist

@@ -0,0 +1,14 @@
+<?php
+return [
+
+    'entity_manager' => [
+        'connection' => [
+            'driver' => 'pdo_mysql',
+            'host' => 'shlink_db',
+            'driverOptions' => [
+                PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8',
+            ],
+        ],
+    ],
+
+];

config/autoload/errorhandler.local.php.dist

@@ -1,5 +1,5 @@
 <?php
-use Shlinkio\Shlink\Common\ErrorHandler\ContentBasedErrorHandler;
+use Acelaya\ExpressiveErrorHandler\ErrorHandler\ContentBasedErrorHandler;
 use Zend\Expressive\Container\WhoopsErrorHandlerFactory;
 
 return [

config/autoload/phpwkhtmltopdf.global.php

@@ -0,0 +1,11 @@
+<?php
+return [
+
+    'phpwkhtmltopdf' => [
+        'images' => [
+            'binary' => 'bin/wkhtmltoimage',
+            'type' => 'jpg',
+        ],
+    ],
+
+];

config/autoload/preview-generation.global.php

@@ -0,0 +1,8 @@
+<?php
+return [
+
+    'preview_generation' => [
+        'files_location' => 'data/cache',
+    ],
+
+];

config/autoload/router.global.php

@@ -0,0 +1,13 @@
+<?php
+use Zend\Expressive\Router\FastRouteRouter;
+
+return [
+
+    'router' => [
+        'fastroute' => [
+            FastRouteRouter::CONFIG_CACHE_ENABLED => true,
+            FastRouteRouter::CONFIG_CACHE_FILE => 'data/cache/fastroute_cached_routes.php',
+        ],
+    ],
+
+];

config/autoload/router.local.php.dist

@@ -0,0 +1,12 @@
+<?php
+use Zend\Expressive\Router\FastRouteRouter;
+
+return [
+
+    'router' => [
+        'fastroute' => [
+            FastRouteRouter::CONFIG_CACHE_ENABLED => false,
+        ],
+    ],
+
+];

config/config.php

@@ -1,10 +1,10 @@
 <?php
+use Acelaya\ExpressiveErrorHandler;
 use Shlinkio\Shlink\CLI;
 use Shlinkio\Shlink\Common;
 use Shlinkio\Shlink\Core;
 use Shlinkio\Shlink\Rest;
-use Zend\Expressive\ConfigManager\ConfigManager;
-use Zend\Expressive\ConfigManager\ZendConfigProvider;
+use Zend\Expressive\ConfigManager;
 
 /**
  * Configuration files are loaded in a specific order. First ``global.php``, then ``*.global.php``.
@@ -15,10 +15,11 @@ use Zend\Expressive\ConfigManager\ZendConfigProvider;
  * Obviously, if you use closures in your config you can't cache it.
  */
 
-return (new ConfigManager([
+return (new ConfigManager\ConfigManager([
+    ExpressiveErrorHandler\ConfigProvider::class,
     Common\ConfigProvider::class,
     Core\ConfigProvider::class,
     CLI\ConfigProvider::class,
     Rest\ConfigProvider::class,
-    new ZendConfigProvider('config/autoload/{{,*.}global,{,*.}local}.php'),
+    new ConfigManager\ZendConfigProvider('config/{autoload/{{,*.}global,{,*.}local},params/generated_config}.php'),
 ], 'data/cache/app_config.php'))->getMergedConfig();

config/params/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

data/infra/database/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

data/infra/db.Dockerfile

@@ -0,0 +1,6 @@
+FROM mysql:5.7
+MAINTAINER Alejandro Celaya <alejandro@alejandrocelaya.com>
+
+# Enable remote access (default is localhost only, we change this
+# otherwise our database would not be reachable from outside the container)
+RUN sed -i -e"s/^bind-address\s*=\s*127.0.0.1/bind-address = 0.0.0.0/" /etc/mysql/my.cnf

data/infra/nginx.Dockerfile

@@ -0,0 +1,5 @@
+FROM nginx:1.11.6-alpine
+MAINTAINER Alejandro Celaya <alejandro@alejandrocelaya.com>
+
+# Delete default nginx vhost
+RUN rm /etc/nginx/conf.d/default.conf

data/infra/nginx/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

data/infra/php.Dockerfile

@@ -0,0 +1,87 @@
+FROM php:7.1-fpm-alpine
+MAINTAINER Alejandro Celaya <alejandro@alejandrocelaya.com>
+
+RUN apk update
+
+# Install common php extensions
+RUN docker-php-ext-install pdo_mysql
+RUN docker-php-ext-install iconv
+RUN docker-php-ext-install mbstring
+RUN docker-php-ext-install calendar
+
+RUN apk add --no-cache --virtual sqlite-libs
+RUN apk add --no-cache --virtual sqlite-dev
+RUN docker-php-ext-install pdo_sqlite
+
+RUN apk add --no-cache --virtual icu-dev
+RUN docker-php-ext-install intl
+
+RUN apk add --no-cache --virtual zlib-dev
+RUN docker-php-ext-install zip
+
+RUN apk add --no-cache --virtual libmcrypt-dev
+RUN docker-php-ext-install mcrypt
+
+RUN apk add --no-cache --virtual libpng-dev
+RUN docker-php-ext-install gd
+
+# Install redis extension
+ADD https://github.com/phpredis/phpredis/archive/php7.tar.gz /tmp/phpredis.tar.gz
+RUN mkdir -p /usr/src/php/ext/redis\
+  && tar xf /tmp/phpredis.tar.gz -C /usr/src/php/ext/redis --strip-components=1
+# configure and install
+RUN docker-php-ext-configure redis\
+  && docker-php-ext-install redis
+# cleanup
+RUN rm /tmp/phpredis.tar.gz
+
+# Install memcached extension
+RUN apk add --no-cache --virtual cyrus-sasl-dev
+RUN apk add --no-cache --virtual libmemcached-dev
+ADD https://github.com/php-memcached-dev/php-memcached/archive/php7.tar.gz /tmp/memcached.tar.gz
+RUN mkdir -p /usr/src/php/ext/memcached\
+  && tar xf /tmp/memcached.tar.gz -C /usr/src/php/ext/memcached --strip-components=1
+# configure and install
+RUN docker-php-ext-configure memcached\
+  && docker-php-ext-install memcached
+# cleanup
+RUN rm /tmp/memcached.tar.gz
+
+# Install APCu extension
+ADD https://pecl.php.net/get/apcu-5.1.3.tgz /tmp/apcu.tar.gz
+RUN mkdir -p /usr/src/php/ext/apcu\
+  && tar xf /tmp/apcu.tar.gz -C /usr/src/php/ext/apcu --strip-components=1
+# configure and install
+RUN docker-php-ext-configure apcu\
+  && docker-php-ext-install apcu
+# cleanup
+RUN rm /tmp/apcu.tar.gz
+
+# Install APCu-BC extension
+ADD https://pecl.php.net/get/apcu_bc-1.0.3.tgz /tmp/apcu_bc.tar.gz
+RUN mkdir -p /usr/src/php/ext/apcu-bc\
+  && tar xf /tmp/apcu_bc.tar.gz -C /usr/src/php/ext/apcu-bc --strip-components=1
+# configure and install
+RUN docker-php-ext-configure apcu-bc\
+  && docker-php-ext-install apcu-bc
+# cleanup
+RUN rm /tmp/apcu_bc.tar.gz
+
+# Load APCU.ini before APC.ini
+RUN rm /usr/local/etc/php/conf.d/docker-php-ext-apcu.ini
+RUN echo extension=apcu.so > /usr/local/etc/php/conf.d/20-php-ext-apcu.ini
+
+# Install xdebug
+ADD https://pecl.php.net/get/xdebug-2.5.0 /tmp/xdebug.tar.gz
+RUN mkdir -p /usr/src/php/ext/xdebug\
+  && tar xf /tmp/xdebug.tar.gz -C /usr/src/php/ext/xdebug --strip-components=1
+# configure and install
+RUN docker-php-ext-configure xdebug\
+  && docker-php-ext-install xdebug
+# cleanup
+RUN rm /tmp/xdebug.tar.gz
+
+# Install composer
+RUN php -r "readfile('https://getcomposer.org/installer');" | php
+RUN chmod +x composer.phar
+RUN mv composer.phar /usr/local/bin/composer

data/infra/php.ini

@@ -0,0 +1 @@
+date.timezone = Europe/Madrid

data/infra/vhost.conf

@@ -0,0 +1,21 @@
+server {
+    listen 80 default_server;
+    server_name shlink.local;
+    root /home/shlink/www/public;
+    index index.php;
+
+    charset utf-8;
+    error_log /home/shlink/www/data/infra/nginx/shlink.error.log;
+
+    location / {
+        try_files $uri $uri/ /index.php$is_args$args;
+    }
+
+    location ~ \.php$ {
+        root /home/shlink/www/public;
+        fastcgi_split_path_info ^(.+\.php)(/.+)$;
+        fastcgi_pass shlink_php:9000;
+        fastcgi_index index.php;
+        include fastcgi.conf;
+    }
+}

data/migrations/Version20160819142757.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace ShlinkMigrations;
+
+use Doctrine\DBAL\Migrations\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+class Version20160819142757 extends AbstractMigration
+{
+    const MYSQL = 'mysql';
+    const SQLITE = 'sqlite';
+
+    /**
+     * @param Schema $schema
+     */
+    public function up(Schema $schema)
+    {
+        $db = $this->connection->getDatabasePlatform()->getName();
+        $table = $schema->getTable('short_urls');
+        $column = $table->getColumn('short_code');
+
+        if ($db === self::MYSQL) {
+            $column->setPlatformOption('collation', 'utf8_bin');
+        } elseif ($db === self::SQLITE) {
+            $column->setPlatformOption('collate', 'BINARY');
+        }
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function down(Schema $schema)
+    {
+        $db = $this->connection->getDatabasePlatform()->getName();
+    }
+}

data/migrations/Version20160820191203.php

@@ -0,0 +1,80 @@
+<?php
+
+namespace ShlinkMigrations;
+
+use Doctrine\DBAL\Migrations\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\DBAL\Types\Type;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+class Version20160820191203 extends AbstractMigration
+{
+    /**
+     * @param Schema $schema
+     */
+    public function up(Schema $schema)
+    {
+        // Check if the tables already exist
+        $tables = $schema->getTables();
+        foreach ($tables as $table) {
+            if ($table->getName() === 'tags') {
+                return;
+            }
+        }
+
+        $this->createTagsTable($schema);
+        $this->createShortUrlsInTagsTable($schema);
+    }
+
+    protected function createTagsTable(Schema $schema)
+    {
+        $table = $schema->createTable('tags');
+        $table->addColumn('id', Type::BIGINT, [
+            'unsigned' => true,
+            'autoincrement' => true,
+            'notnull' => true,
+        ]);
+        $table->addColumn('name', Type::STRING, [
+            'length' => 255,
+            'notnull' => true,
+        ]);
+        $table->addUniqueIndex(['name']);
+
+        $table->setPrimaryKey(['id']);
+    }
+
+    protected function createShortUrlsInTagsTable(Schema $schema)
+    {
+        $table = $schema->createTable('short_urls_in_tags');
+        $table->addColumn('short_url_id', Type::BIGINT, [
+            'unsigned' => true,
+            'notnull' => true,
+        ]);
+        $table->addColumn('tag_id', Type::BIGINT, [
+            'unsigned' => true,
+            'notnull' => true,
+        ]);
+
+        $table->addForeignKeyConstraint('tags', ['tag_id'], ['id'], [
+            'onDelete' => 'CASCADE',
+            'onUpdate' => 'RESTRICT',
+        ]);
+        $table->addForeignKeyConstraint('short_urls', ['short_url_id'], ['id'], [
+            'onDelete' => 'CASCADE',
+            'onUpdate' => 'RESTRICT',
+        ]);
+
+        $table->setPrimaryKey(['short_url_id', 'tag_id']);
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function down(Schema $schema)
+    {
+        $schema->dropTable('short_urls_in_tags');
+        $schema->dropTable('tags');
+    }
+}

docker-compose.yml

@@ -0,0 +1,41 @@
+version: '2'
+
+services:
+    shlink_nginx:
+        container_name: shlink_nginx
+        build:
+            context: .
+            dockerfile: ./data/infra/nginx.Dockerfile
+        ports:
+            - "8000:80"
+        volumes:
+            - ./:/home/shlink/www
+            - ./docs:/home/shlink/www/public/docs
+            - ./data/infra/vhost.conf:/etc/nginx/conf.d/shlink-vhost.conf
+        links:
+            - shlink_php
+
+    shlink_php:
+        container_name: shlink_php
+        build:
+            context: .
+            dockerfile: ./data/infra/php.Dockerfile
+        volumes:
+            - ./:/home/shlink/www
+            - ./data/infra/php.ini:/usr/local/etc/php/php.ini
+        links:
+            - shlink_db
+
+    shlink_db:
+        container_name: shlink_db
+        build:
+            context: .
+            dockerfile: ./data/infra/db.Dockerfile
+        ports:
+            - "3307:3306"
+        volumes:
+            - ./:/home/shlink/www
+            - ./data/infra/database:/var/lib/mysql
+        environment:
+            MYSQL_ROOT_PASSWORD: root
+            MYSQL_DATABASE: shlink

docs/swagger/definitions/Error.json

@@ -0,0 +1,13 @@
+{
+    "type": "object",
+    "properties": {
+        "code": {
+            "type": "string",
+            "description": "A machine unique code"
+        },
+        "message": {
+            "type": "string",
+            "description": "A human-friendly error message"
+        }
+    }
+}

docs/swagger/definitions/Pagination.json

@@ -0,0 +1,13 @@
+{
+    "type": "object",
+    "properties": {
+        "currentPage": {
+            "type": "integer",
+            "description": "The number of current page being displayed."
+        },
+        "pagesCount": {
+            "type": "integer",
+            "description": "The total number of pages that can be displayed."
+        }
+    }
+}

docs/swagger/definitions/ShortUrl.json

@@ -0,0 +1,29 @@
+{
+    "type": "object",
+    "properties": {
+        "shortCode": {
+            "type": "string",
+            "description": "The short code for this short URL."
+        },
+        "originalUrl": {
+            "type": "string",
+            "description": "The original long URL."
+        },
+        "dateCreated": {
+            "type": "string",
+            "format": "date-time",
+            "description": "The date in which the short URL was created in ISO format."
+        },
+        "visitsCount": {
+            "type": "integer",
+            "description": "The number of visits that this short URL has recieved."
+        },
+        "tags": {
+            "type": "array",
+            "items": {
+                "type": "string"
+            },
+            "description": "A list of tags applied to this short URL"
+        }
+    }
+}

docs/swagger/definitions/Visit.json

@@ -0,0 +1,18 @@
+{
+    "type": "object",
+    "properties": {
+        "referer": {
+            "type": "string"
+        },
+        "date": {
+            "type": "string",
+            "format": "date-time"
+        },
+        "remoteAddr": {
+            "type": "string"
+        },
+        "userAgent": {
+            "type": "string"
+        }
+    }
+}

docs/swagger/parameters/Authorization.json

@@ -0,0 +1,7 @@
+{
+    "name": "Authorization",
+    "in": "header",
+    "description": "The authorization token with Bearer type",
+    "required": true,
+    "type": "string"
+}

docs/swagger/paths/v1_authenticate.json

@@ -0,0 +1,50 @@
+{
+    "post": {
+        "tags": [
+            "Authentication"
+        ],
+        "summary": "Perform authentication",
+        "description": "Performs an authentication",
+        "parameters": [
+            {
+                "name": "apiKey",
+                "in": "formData",
+                "description": "The API key to authenticate with",
+                "required": true,
+                "type": "string"
+            }
+        ],
+        "responses": {
+            "200": {
+                "description": "The authentication worked.",
+                "schema": {
+                    "type": "object",
+                    "properties": {
+                        "token": {
+                            "type": "string",
+                            "description": "The authentication token that needs to be sent in the Authorization header"
+                        }
+                    }
+                }
+            },
+            "400": {
+                "description": "An API key was not provided.",
+                "schema": {
+                    "$ref": "../definitions/Error.json"
+                }
+            },
+            "401": {
+                "description": "The API key is incorrect, is disabled or has expired.",
+                "schema": {
+                    "$ref": "../definitions/Error.json"
+                }
+            },
+            "500": {
+                "description": "Unexpected error.",
+                "schema": {
+                    "$ref": "../definitions/Error.json"
+                }
+            }
+        }
+    }
+}

docs/swagger/paths/v1_short-codes.json

@@ -0,0 +1,144 @@
+{
+    "get": {
+        "tags": [
+            "ShortCodes"
+        ],
+        "summary": "List short URLs",
+        "description": "Returns the list of short codes",
+        "parameters": [
+            {
+                "name": "page",
+                "in": "query",
+                "description": "The page to be displayed. Defaults to 1",
+                "required": false,
+                "type": "integer"
+            },
+            {
+                "name": "searchTerm",
+                "in": "query",
+                "description": "A query used to filter results by searching for it on the longUrl and shortCode fields. (Since v1.3.0)",
+                "required": false,
+                "type": "string"
+            },
+            {
+                "name": "tags",
+                "in": "query",
+                "description": "A list of tags used to filter the resultset. Only short URLs tagged with at least one of the provided tags will be returned. (Since v1.3.0)",
+                "required": false,
+                "type": "array",
+                "items": {
+                    "type": "string"
+                }
+            },
+            {
+                "name": "orderBy",
+                "in": "query",
+                "description": "The field from which you want to order the result. (Since v1.3.0)",
+                "enum": [
+                    "originalUrl",
+                    "shortCode",
+                    "dateCreated",
+                    "visits"
+                ],
+                "required": false,
+                "type": "string"
+            },
+            {
+                "$ref": "../parameters/Authorization.json"
+            }
+        ],
+        "responses": {
+            "200": {
+                "description": "The list of short URLs",
+                "schema": {
+                    "type": "object",
+                    "properties": {
+                        "shortUrls": {
+                            "type": "object",
+                            "properties": {
+                                "data": {
+                                    "type": "array",
+                                    "items": {
+                                        "$ref": "../definitions/ShortUrl.json"
+                                    }
+                                },
+                                "pagination": {
+                                    "$ref": "../definitions/Pagination.json"
+                                }
+                            }
+                        }
+                    }
+                }
+            },
+            "500": {
+                "description": "Unexpected error.",
+                "schema": {
+                    "$ref": "../definitions/Error.json"
+                }
+            }
+        }
+    },
+    "post": {
+        "tags": [
+            "ShortCodes"
+        ],
+        "summary": "Create short URL",
+        "description": "Creates a new short code",
+        "parameters": [
+            {
+                "name": "longUrl",
+                "in": "formData",
+                "description": "The URL to parse",
+                "required": true,
+                "type": "string"
+            },
+            {
+                "name": "tags",
+                "in": "formData",
+                "description": "The URL to parse",
+                "required": false,
+                "type": "array",
+                "items": {
+                    "type": "string"
+                }
+            },
+            {
+                "$ref": "../parameters/Authorization.json"
+            }
+        ],
+        "responses": {
+            "200": {
+                "description": "The result of parsing the long URL",
+                "schema": {
+                    "type": "object",
+                    "properties": {
+                        "longUrl": {
+                            "type": "string",
+                            "description": "The original long URL that has been parsed"
+                        },
+                        "shortUrl": {
+                            "type": "string",
+                            "description": "The generated short URL"
+                        },
+                        "shortCode": {
+                            "type": "string",
+                            "description": "the short code that is being used in the short URL"
+                        }
+                    }
+                }
+            },
+            "400": {
+                "description": "The long URL was not provided or is invalid.",
+                "schema": {
+                    "$ref": "../definitions/Error.json"
+                }
+            },
+            "500": {
+                "description": "Unexpected error.",
+                "schema": {
+                    "$ref": "../definitions/Error.json"
+                }
+            }
+        }
+    }
+}

docs/swagger/paths/v1_short-codes_{shortCode}.json

@@ -0,0 +1,53 @@
+{
+    "get": {
+        "tags": [
+            "ShortCodes"
+        ],
+        "summary": "Parse short code",
+        "description": "Get the long URL behind a short code.",
+        "parameters": [
+            {
+                "name": "shortCode",
+                "in": "path",
+                "type": "string",
+                "description": "The short code to resolve.",
+                "required": true
+            },
+            {
+                "$ref": "../parameters/Authorization.json"
+            }
+        ],
+        "responses": {
+            "200": {
+                "description": "The long URL behind a short code.",
+                "schema": {
+                    "type": "object",
+                    "properties": {
+                        "longUrl": {
+                            "type": "string",
+                            "description": "The original long URL behind the short code."
+                        }
+                    }
+                }
+            },
+            "400": {
+                "description": "Provided shortCode does not match the character set currently used by the app to generate short codes.",
+                "schema": {
+                    "$ref": "../definitions/Error.json"
+                }
+            },
+            "404": {
+                "description": "No URL was found for provided short code.",
+                "schema": {
+                    "$ref": "../definitions/Error.json"
+                }
+            },
+            "500": {
+                "description": "Unexpected error.",
+                "schema": {
+                    "$ref": "../definitions/Error.json"
+                }
+            }
+        }
+    }
+}

docs/swagger/paths/v1_short-codes_{shortCode}_tags.json

@@ -0,0 +1,66 @@
+{
+    "put": {
+        "tags": [
+            "ShortCodes",
+            "Tags"
+        ],
+        "summary": "Edit tags on short URL",
+        "description": "Edit the tags on provided short code.",
+        "parameters": [
+            {
+                "name": "shortCode",
+                "in": "path",
+                "type": "string",
+                "description": "The shortCode in which we want to edit tags.",
+                "required": true
+            },
+            {
+                "name": "tags",
+                "in": "formData",
+                "type": "array",
+                "items": {
+                    "type": "string"
+                },
+                "description": "The list of tags to set to the short URL.",
+                "required": true
+            },
+            {
+                "$ref": "../parameters/Authorization.json"
+            }
+        ],
+        "responses": {
+            "200": {
+                "description": "List of tags.",
+                "schema": {
+                    "type": "object",
+                    "properties": {
+                        "tags": {
+                            "type": "array",
+                            "items": {
+                                "type": "string"
+                            }
+                        }
+                    }
+                }
+            },
+            "400": {
+                "description": "The request body does not contain a \"tags\" param with array type.",
+                "schema": {
+                    "$ref": "../definitions/Error.json"
+                }
+            },
+            "404": {
+                "description": "No short URL was found for provided short code.",
+                "schema": {
+                    "$ref": "../definitions/Error.json"
+                }
+            },
+            "500": {
+                "description": "Unexpected error.",
+                "schema": {
+                    "$ref": "../definitions/Error.json"
+                }
+            }
+        }
+    }
+}

docs/swagger/paths/v1_short-codes_{shortCode}_visits.json

@@ -0,0 +1,55 @@
+{
+    "get": {
+        "tags": [
+            "ShortCodes",
+            "Visits"
+        ],
+        "summary": "List visits for short URL",
+        "description": "Get the list of visits on provided short code.",
+        "parameters": [
+            {
+                "name": "shortCode",
+                "in": "path",
+                "type": "string",
+                "description": "The shortCode from which we want to get the visits.",
+                "required": true
+            },
+            {
+                "$ref": "../parameters/Authorization.json"
+            }
+        ],
+        "responses": {
+            "200": {
+                "description": "List of visits.",
+                "schema": {
+                    "type": "object",
+                    "properties": {
+                        "visits": {
+                            "type": "object",
+                            "properties": {
+                                "data": {
+                                    "type": "array",
+                                    "items": {
+                                        "$ref": "../definitions/Visit.json"
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            },
+            "404": {
+                "description": "The short code does not belong to any short URL.",
+                "schema": {
+                    "$ref": "../definitions/Error.json"
+                }
+            },
+            "500": {
+                "description": "Unexpected error.",
+                "schema": {
+                    "$ref": "../definitions/Error.json"
+                }
+            }
+        }
+    }
+}

docs/swagger/swagger.json

@@ -0,0 +1,38 @@
+{
+    "swagger": "2.0",
+    "info": {
+        "title": "Shlink",
+        "description": "Shlink, the self-hosted URL shortener",
+        "version": "1.2.0"
+    },
+    "schemes": [
+        "http",
+        "https"
+    ],
+    "basePath": "/rest",
+    "produces": [
+        "application/json"
+    ],
+    "consumes": [
+        "application/x-www-form-urlencoded",
+        "application/json"
+    ],
+
+    "paths": {
+        "/v1/authenticate": {
+            "$ref": "paths/v1_authenticate.json"
+        },
+        "/v1/short-codes": {
+            "$ref": "paths/v1_short-codes.json"
+        },
+        "/v1/short-codes/{shortCode}": {
+            "$ref": "paths/v1_short-codes_{shortCode}.json"
+        },
+        "/v1/short-codes/{shortCode}/visits": {
+            "$ref": "paths/v1_short-codes_{shortCode}_visits.json"
+        },
+        "/v1/short-codes/{shortCode}/tags": {
+            "$ref": "paths/v1_short-codes_{shortCode}_tags.json"
+        }
+    }
+}

indocker

@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+docker exec -it shlink_php /bin/sh -c "cd /home/shlink/www && $*"

migrations.yml

@@ -0,0 +1,4 @@
+name: ShlinkMigrations
+migrations_namespace: ShlinkMigrations
+table_name: migrations
+migrations_directory: data/migrations

module/CLI/config/cli.config.php

@@ -4,11 +4,13 @@ use Shlinkio\Shlink\CLI\Command;
 return [
 
     'cli' => [
+        'locale' => env('CLI_LOCALE', 'en'),
         'commands' => [
             Command\Shortcode\GenerateShortcodeCommand::class,
             Command\Shortcode\ResolveUrlCommand::class,
             Command\Shortcode\ListShortcodesCommand::class,
             Command\Shortcode\GetVisitsCommand::class,
+            Command\Shortcode\GeneratePreviewCommand::class,
             Command\Visit\ProcessVisitsCommand::class,
             Command\Config\GenerateCharsetCommand::class,
             Command\Config\GenerateSecretCommand::class,

module/CLI/config/dependencies.config.php

@@ -14,6 +14,7 @@ return [
             Command\Shortcode\ResolveUrlCommand::class => AnnotatedFactory::class,
             Command\Shortcode\ListShortcodesCommand::class => AnnotatedFactory::class,
             Command\Shortcode\GetVisitsCommand::class => AnnotatedFactory::class,
+            Command\Shortcode\GeneratePreviewCommand::class => AnnotatedFactory::class,
             Command\Visit\ProcessVisitsCommand::class => AnnotatedFactory::class,
             Command\Config\GenerateCharsetCommand::class => AnnotatedFactory::class,
             Command\Config\GenerateSecretCommand::class => AnnotatedFactory::class,

module/CLI/lang/es.po

@@ -1,8 +1,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: Shlink 1.0\n"
-"POT-Creation-Date: 2016-08-07 20:16+0200\n"
-"PO-Revision-Date: 2016-08-07 20:18+0200\n"
+"POT-Creation-Date: 2016-10-22 23:12+0200\n"
+"PO-Revision-Date: 2016-10-22 23:13+0200\n"
 "Last-Translator: Alejandro Celaya <alejandro@alejandrocelaya.com>\n"
 "Language-Team: \n"
 "Language: es_ES\n"
@@ -68,7 +68,35 @@ msgstr ""
 msgid "Character set:"
 msgstr "Grupo de caracteres:"
 
-#, fuzzy
+msgid ""
+"Generates a random secret string that can be used for JWT token encryption"
+msgstr ""
+"Genera una cadena de caracteres aleatoria que puede ser usada para cifrar "
+"tokens JWT"
+
+msgid "Secret key:"
+msgstr "Clave secreta:"
+
+msgid ""
+"Processes and generates the previews for every URL, improving performance "
+"for later web requests."
+msgstr ""
+"Procesa y genera las vistas previas para cada URL, mejorando el rendimiento "
+"para peticiones web posteriores."
+
+msgid "Finished processing all URLs"
+msgstr "Finalizado el procesado de todas las URLs"
+
+#, php-format
+msgid "Processing URL %s..."
+msgstr "Procesando URL %s..."
+
+msgid " <info>Success!</info>"
+msgstr "<info>¡Correcto!</info>"
+
+msgid "Error"
+msgstr "Error"
+
 msgid "Generates a short code for provided URL and returns the short URL"
 msgstr ""
 "Genera un código corto para la URL proporcionada y devuelve la URL acortada"
@@ -76,6 +104,9 @@ msgstr ""
 msgid "The long URL to parse"
 msgstr "La URL larga a procesar"
 
+msgid "Tags to apply to the new short URL"
+msgstr "Etiquetas a aplicar a la nueva URL acortada"
+
 msgid "A long URL was not provided. Which URL do you want to shorten?:"
 msgstr "No se ha proporcionado una URL larga. ¿Qué URL deseas acortar?"
 
@@ -131,6 +162,25 @@ msgstr "Listar todas las URLs cortas"
 msgid "The first page to list (%s items per page)"
 msgstr "La primera página a listar (%s elementos por página)"
 
+msgid ""
+"A query used to filter results by searching for it on the longUrl and "
+"shortCode fields"
+msgstr ""
+"Una consulta usada para filtrar el resultado buscándola en los campos "
+"longUrl y shortCode"
+
+msgid "A comma-separated list of tags to filter results"
+msgstr "Una lista de etiquetas separadas por coma para filtrar el resultado"
+
+msgid ""
+"The field from which we want to order by. Pass ASC or DESC separated by a "
+"comma"
+msgstr ""
+"El campo por el cual queremos ordernar. Pasa ASC o DESC separado por una coma"
+
+msgid "Whether to display the tags or not"
+msgstr "Si se desea mostrar las etiquetas o no"
+
 msgid "Short code"
 msgstr "Código corto"
 
@@ -143,28 +193,15 @@ msgstr "Fecha de creación"
 msgid "Visits count"
 msgstr "Número de visitas"
 
+msgid "Tags"
+msgstr "Etiquetas"
+
 msgid "You have reached last page"
 msgstr "Has alcanzado la última página"
 
 msgid "Continue with page"
 msgstr "Continuar con la página"
 
-msgid "Processes visits where location is not set yet"
-msgstr "Procesa las visitas donde la localización no ha sido establecida aún"
-
-msgid "Processing IP"
-msgstr "Procesando IP"
-
-msgid "Ignored localhost address"
-msgstr "Ignorada IP de localhost"
-
-#, php-format
-msgid "Address located at \"%s\""
-msgstr "Dirección localizada en \"%s\""
-
-msgid "Finished processing all IPs"
-msgstr "Finalizado el procesado de todas las IPs"
-
 msgid "Returns the long URL behind a short code"
 msgstr "Devuelve la URL larga detrás de un código corto"
 
@@ -185,3 +222,19 @@ msgstr "URL larga:"
 #, php-format
 msgid "Provided short code \"%s\" has an invalid format."
 msgstr "El código corto proporcionado \"%s\" tiene un formato inválido."
+
+msgid "Processes visits where location is not set yet"
+msgstr "Procesa las visitas donde la localización no ha sido establecida aún"
+
+msgid "Processing IP"
+msgstr "Procesando IP"
+
+msgid "Ignored localhost address"
+msgstr "Ignorada IP de localhost"
+
+#, php-format
+msgid "Address located at \"%s\""
+msgstr "Dirección localizada en \"%s\""
+
+msgid "Finished processing all IPs"
+msgstr "Finalizado el procesado de todas las IPs"

module/CLI/src/Command/Api/ListKeysCommand.php

@@ -73,12 +73,15 @@ class ListKeysCommand extends Command
             $key = $row->getKey();
             $expiration = $row->getExpirationDate();
             $rowData = [];
+            $formatMethod = ! $row->isEnabled()
+                ? 'getErrorString'
+                : ($row->isExpired() ? 'getWarningString' : 'getSuccessString');
 
             if ($enabledOnly) {
-                $rowData[] = $key;
+                $rowData[] = $this->{$formatMethod}($key);
             } else {
-                $rowData[] = $row->isEnabled() ? $this->getSuccessString($key) : $this->getErrorString($key);
-                $rowData[] = $row->isEnabled() ? $this->getSuccessString('+++') : $this->getErrorString('---');
+                $rowData[] = $this->{$formatMethod}($key);
+                $rowData[] = $this->{$formatMethod}($this->getEnabledSymbol($row));
             }
 
             $rowData[] = isset($expiration) ? $expiration->format(\DateTime::ISO8601) : '-';
@@ -105,4 +108,22 @@ class ListKeysCommand extends Command
     {
         return sprintf('<info>%s</info>', $string);
     }
+
+    /**
+     * @param $string
+     * @return string
+     */
+    protected function getWarningString($string)
+    {
+        return sprintf('<comment>%s</comment>', $string);
+    }
+
+    /**
+     * @param ApiKey $apiKey
+     * @return string
+     */
+    protected function getEnabledSymbol(ApiKey $apiKey)
+    {
+        return ! $apiKey->isEnabled() || $apiKey->isExpired() ? '---' : '+++';
+    }
 }

module/CLI/src/Command/Install/InstallCommand.php

@@ -0,0 +1,322 @@
+<?php
+namespace Shlinkio\Shlink\CLI\Command\Install;
+
+use Shlinkio\Shlink\Common\Util\StringUtilsTrait;
+use Shlinkio\Shlink\Core\Service\UrlShortener;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Helper\ProcessHelper;
+use Symfony\Component\Console\Helper\QuestionHelper;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Question\ChoiceQuestion;
+use Symfony\Component\Console\Question\Question;
+use Zend\Config\Writer\WriterInterface;
+
+class InstallCommand extends Command
+{
+    use StringUtilsTrait;
+
+    const DATABASE_DRIVERS = [
+        'MySQL' => 'pdo_mysql',
+        'PostgreSQL' => 'pdo_pgsql',
+        'SQLite' => 'pdo_sqlite',
+    ];
+    const SUPPORTED_LANGUAGES = ['en', 'es'];
+
+    /**
+     * @var InputInterface
+     */
+    private $input;
+    /**
+     * @var OutputInterface
+     */
+    private $output;
+    /**
+     * @var QuestionHelper
+     */
+    private $questionHelper;
+    /**
+     * @var ProcessHelper
+     */
+    private $processHelper;
+    /**
+     * @var WriterInterface
+     */
+    private $configWriter;
+
+    /**
+     * InstallCommand constructor.
+     * @param WriterInterface $configWriter
+     * @param callable|null $databaseCreationLogic
+     */
+    public function __construct(WriterInterface $configWriter)
+    {
+        parent::__construct(null);
+        $this->configWriter = $configWriter;
+    }
+
+    public function configure()
+    {
+        $this->setName('shlink:install')
+             ->setDescription('Installs Shlink');
+    }
+
+    public function execute(InputInterface $input, OutputInterface $output)
+    {
+        $this->input = $input;
+        $this->output = $output;
+        $this->questionHelper = $this->getHelper('question');
+        $this->processHelper = $this->getHelper('process');
+        $params = [];
+
+        $output->writeln([
+            '<info>Welcome to Shlink!!</info>',
+            'This process will guide you through the installation.',
+        ]);
+
+        // Check if a cached config file exists and drop it if so
+        if (file_exists('data/cache/app_config.php')) {
+            $output->write('Deleting old cached config...');
+            if (unlink('data/cache/app_config.php')) {
+                $output->writeln(' <info>Success</info>');
+            } else {
+                $output->writeln(
+                    ' <error>Failed!</error> You will have to manually delete the data/cache/app_config.php file to get'
+                    . ' new config applied.'
+                );
+            }
+        }
+
+        // Ask for custom config params
+        $params['DATABASE'] = $this->askDatabase();
+        $params['URL_SHORTENER'] = $this->askUrlShortener();
+        $params['LANGUAGE'] = $this->askLanguage();
+        $params['APP'] = $this->askApplication();
+
+        // Generate config params files
+        $config = $this->buildAppConfig($params);
+        $this->configWriter->toFile('config/params/generated_config.php', $config, false);
+        $output->writeln(['<info>Custom configuration properly generated!</info>', '']);
+
+        // Generate database
+        if (! $this->createDatabase()) {
+            return;
+        }
+
+        // Run database migrations
+        $output->writeln('Updating database...');
+        if (! $this->runCommand('php vendor/bin/doctrine-migrations migrations:migrate', 'Error updating database.')) {
+            return;
+        }
+
+        // Generate proxies
+        $output->writeln('Generating proxies...');
+        if (! $this->runCommand('php vendor/bin/doctrine.php orm:generate-proxies', 'Error generating proxies.')) {
+            return;
+        }
+    }
+
+    protected function askDatabase()
+    {
+        $params = [];
+        $this->printTitle('DATABASE');
+
+        // Select database type
+        $databases = array_keys(self::DATABASE_DRIVERS);
+        $dbType = $this->questionHelper->ask($this->input, $this->output, new ChoiceQuestion(
+            '<question>Select database type (defaults to ' . $databases[0] . '):</question>',
+            $databases,
+            0
+        ));
+        $params['DRIVER'] = self::DATABASE_DRIVERS[$dbType];
+
+        // Ask for connection params if database is not SQLite
+        if ($params['DRIVER'] !== self::DATABASE_DRIVERS['SQLite']) {
+            $params['NAME'] = $this->ask('Database name', 'shlink');
+            $params['USER'] = $this->ask('Database username');
+            $params['PASSWORD'] = $this->ask('Database password');
+            $params['HOST'] = $this->ask('Database host', 'localhost');
+            $params['PORT'] = $this->ask('Database port', $this->getDefaultDbPort($params['DRIVER']));
+        }
+
+        return $params;
+    }
+
+    protected function getDefaultDbPort($driver)
+    {
+        return $driver === 'pdo_mysql' ? '3306' : '5432';
+    }
+
+    protected function askUrlShortener()
+    {
+        $this->printTitle('URL SHORTENER');
+
+        // Ask for URL shortener params
+        return [
+            'SCHEMA' => $this->questionHelper->ask($this->input, $this->output, new ChoiceQuestion(
+                '<question>Select schema for generated short URLs (defaults to http):</question>',
+                ['http', 'https'],
+                0
+            )),
+            'HOSTNAME' => $this->ask('Hostname for generated URLs'),
+            'CHARS' => $this->ask(
+                'Character set for generated short codes (leave empty to autogenerate one)',
+                null,
+                true
+            ) ?: str_shuffle(UrlShortener::DEFAULT_CHARS)
+        ];
+    }
+
+    protected function askLanguage()
+    {
+        $this->printTitle('LANGUAGE');
+
+        return [
+            'DEFAULT' => $this->questionHelper->ask($this->input, $this->output, new ChoiceQuestion(
+                '<question>Select default language for the application in general (defaults to '
+                . self::SUPPORTED_LANGUAGES[0] . '):</question>',
+                self::SUPPORTED_LANGUAGES,
+                0
+            )),
+            'CLI' => $this->questionHelper->ask($this->input, $this->output, new ChoiceQuestion(
+                '<question>Select default language for CLI executions (defaults to '
+                . self::SUPPORTED_LANGUAGES[0] . '):</question>',
+                self::SUPPORTED_LANGUAGES,
+                0
+            )),
+        ];
+    }
+
+    protected function askApplication()
+    {
+        $this->printTitle('APPLICATION');
+
+        return [
+            'SECRET' => $this->ask(
+                'Define a secret string that will be used to sign API tokens (leave empty to autogenerate one)',
+                null,
+                true
+            ) ?: $this->generateRandomString(32),
+        ];
+    }
+
+    /**
+     * @param string $text
+     */
+    protected function printTitle($text)
+    {
+        $text = trim($text);
+        $length = strlen($text) + 4;
+        $header = str_repeat('*', $length);
+
+        $this->output->writeln([
+            '',
+            '<info>' . $header . '</info>',
+            '<info>* ' . strtoupper($text) . ' *</info>',
+            '<info>' . $header . '</info>',
+        ]);
+    }
+
+    /**
+     * @param string $text
+     * @param string|null $default
+     * @param bool $allowEmpty
+     * @return string
+     */
+    protected function ask($text, $default = null, $allowEmpty = false)
+    {
+        if (isset($default)) {
+            $text .= ' (defaults to ' . $default . ')';
+        }
+        do {
+            $value = $this->questionHelper->ask($this->input, $this->output, new Question(
+                '<question>' . $text . ':</question> ',
+                $default
+            ));
+            if (empty($value) && ! $allowEmpty) {
+                $this->output->writeln('<error>Value can\'t be empty</error>');
+            }
+        } while (empty($value) && empty($default) && ! $allowEmpty);
+
+        return $value;
+    }
+
+    /**
+     * @param array $params
+     * @return array
+     */
+    protected function buildAppConfig(array $params)
+    {
+        // Build simple config
+        $config = [
+            'app_options' => [
+                'secret_key' => $params['APP']['SECRET'],
+            ],
+            'entity_manager' => [
+                'connection' => [
+                    'driver' => $params['DATABASE']['DRIVER'],
+                ],
+            ],
+            'translator' => [
+                'locale' => $params['LANGUAGE']['DEFAULT'],
+            ],
+            'cli' => [
+                'locale' => $params['LANGUAGE']['CLI'],
+            ],
+            'url_shortener' => [
+                'domain' => [
+                    'schema' => $params['URL_SHORTENER']['SCHEMA'],
+                    'hostname' => $params['URL_SHORTENER']['HOSTNAME'],
+                ],
+                'shortcode_chars' => $params['URL_SHORTENER']['CHARS'],
+            ],
+        ];
+
+        // Build dynamic database config
+        if ($params['DATABASE']['DRIVER'] === 'pdo_sqlite') {
+            $config['entity_manager']['connection']['path'] = 'data/database.sqlite';
+        } else {
+            $config['entity_manager']['connection']['user'] = $params['DATABASE']['USER'];
+            $config['entity_manager']['connection']['password'] = $params['DATABASE']['PASSWORD'];
+            $config['entity_manager']['connection']['dbname'] = $params['DATABASE']['NAME'];
+            $config['entity_manager']['connection']['host'] = $params['DATABASE']['HOST'];
+            $config['entity_manager']['connection']['port'] = $params['DATABASE']['PORT'];
+
+            if ($params['DATABASE']['DRIVER'] === 'pdo_mysql') {
+                $config['entity_manager']['connection']['driverOptions'] = [
+                    \PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8',
+                ];
+            }
+        }
+
+        return $config;
+    }
+
+    protected function createDatabase()
+    {
+        $this->output->writeln('Initializing database...');
+        return $this->runCommand('php vendor/bin/doctrine.php orm:schema-tool:create', 'Error generating database.');
+    }
+
+    /**
+     * @param string $command
+     * @param string $errorMessage
+     * @return bool
+     */
+    protected function runCommand($command, $errorMessage)
+    {
+        $process = $this->processHelper->run($this->output, $command);
+        if ($process->isSuccessful()) {
+            $this->output->writeln('    <info>Success!</info>');
+            return true;
+        } else {
+            if ($this->output->isVerbose()) {
+                return false;
+            }
+            $this->output->writeln(
+                '    <error>' . $errorMessage . '</error>  Run this command with -vvv to see specific error info.'
+            );
+            return false;
+        }
+    }
+}

module/CLI/src/Command/Install/UpdateCommand.php

@@ -0,0 +1,12 @@
+<?php
+namespace Shlinkio\Shlink\CLI\Command\Install;
+
+use Zend\Config\Writer\WriterInterface;
+
+class UpdateCommand extends InstallCommand
+{
+    public function createDatabase()
+    {
+        return true;
+    }
+}

module/CLI/src/Command/Shortcode/GeneratePreviewCommand.php

@@ -0,0 +1,89 @@
+<?php
+namespace Shlinkio\Shlink\CLI\Command\Shortcode;
+
+use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
+use Shlinkio\Shlink\Common\Exception\PreviewGenerationException;
+use Shlinkio\Shlink\Common\Service\PreviewGenerator;
+use Shlinkio\Shlink\Common\Service\PreviewGeneratorInterface;
+use Shlinkio\Shlink\Core\Service\ShortUrlService;
+use Shlinkio\Shlink\Core\Service\ShortUrlServiceInterface;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Zend\I18n\Translator\TranslatorInterface;
+
+class GeneratePreviewCommand extends Command
+{
+    /**
+     * @var PreviewGeneratorInterface
+     */
+    private $previewGenerator;
+    /**
+     * @var TranslatorInterface
+     */
+    private $translator;
+    /**
+     * @var ShortUrlServiceInterface
+     */
+    private $shortUrlService;
+
+    /**
+     * GeneratePreviewCommand constructor.
+     * @param ShortUrlServiceInterface $shortUrlService
+     * @param PreviewGeneratorInterface $previewGenerator
+     * @param TranslatorInterface $translator
+     *
+     * @Inject({ShortUrlService::class, PreviewGenerator::class, "translator"})
+     */
+    public function __construct(
+        ShortUrlServiceInterface $shortUrlService,
+        PreviewGeneratorInterface $previewGenerator,
+        TranslatorInterface $translator
+    ) {
+        $this->shortUrlService = $shortUrlService;
+        $this->previewGenerator = $previewGenerator;
+        $this->translator = $translator;
+        parent::__construct(null);
+    }
+
+    public function configure()
+    {
+        $this->setName('shortcode:process-previews')
+             ->setDescription(
+                 $this->translator->translate(
+                     'Processes and generates the previews for every URL, improving performance for later web requests.'
+                 )
+             );
+    }
+
+    public function execute(InputInterface $input, OutputInterface $output)
+    {
+        $page = 1;
+        do {
+            $shortUrls = $this->shortUrlService->listShortUrls($page);
+            $page += 1;
+
+            foreach ($shortUrls as $shortUrl) {
+                $this->processUrl($shortUrl->getOriginalUrl(), $output);
+            }
+        } while ($page <= $shortUrls->count());
+
+        $output->writeln('<info>' . $this->translator->translate('Finished processing all URLs') . '</info>');
+    }
+
+    protected function processUrl($url, OutputInterface $output)
+    {
+        try {
+            $output->write(sprintf($this->translator->translate('Processing URL %s...'), $url));
+            $this->previewGenerator->generatePreview($url);
+            $output->writeln($this->translator->translate(' <info>Success!</info>'));
+        } catch (PreviewGenerationException $e) {
+            $messages = [' <error>' . $this->translator->translate('Error') . '</error>'];
+            if ($output->isVerbose()) {
+                $messages[] = '<error>' . $e->__toString() . '</error>';
+            }
+
+            $output->writeln($messages);
+        }
+    }
+}

module/CLI/src/Command/Shortcode/GenerateShortcodeCommand.php

@@ -9,6 +9,7 @@ use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Helper\QuestionHelper;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Question\Question;
 use Zend\Diactoros\Uri;
@@ -54,7 +55,13 @@ class GenerateShortcodeCommand extends Command
              ->setDescription(
                  $this->translator->translate('Generates a short code for provided URL and returns the short URL')
              )
-             ->addArgument('longUrl', InputArgument::REQUIRED, $this->translator->translate('The long URL to parse'));
+             ->addArgument('longUrl', InputArgument::REQUIRED, $this->translator->translate('The long URL to parse'))
+             ->addOption(
+                 'tags',
+                 't',
+                 InputOption::VALUE_IS_ARRAY | InputOption::VALUE_OPTIONAL,
+                 $this->translator->translate('Tags to apply to the new short URL')
+             );
     }
 
     public function interact(InputInterface $input, OutputInterface $output)
@@ -80,6 +87,13 @@ class GenerateShortcodeCommand extends Command
     public function execute(InputInterface $input, OutputInterface $output)
     {
         $longUrl = $input->getArgument('longUrl');
+        $tags = $input->getOption('tags');
+        $processedTags = [];
+        foreach ($tags as $key => $tag) {
+            $explodedTags = explode(',', $tag);
+            $processedTags = array_merge($processedTags, $explodedTags);
+        }
+        $tags = $processedTags;
 
         try {
             if (! isset($longUrl)) {
@@ -87,10 +101,10 @@ class GenerateShortcodeCommand extends Command
                 return;
             }
 
-            $shortCode = $this->urlShortener->urlToShortCode(new Uri($longUrl));
+            $shortCode = $this->urlShortener->urlToShortCode(new Uri($longUrl), $tags);
             $shortUrl = (new Uri())->withPath($shortCode)
-                ->withScheme($this->domainConfig['schema'])
-                ->withHost($this->domainConfig['hostname']);
+                                   ->withScheme($this->domainConfig['schema'])
+                                   ->withHost($this->domainConfig['hostname']);
 
             $output->writeln([
                 sprintf('%s <info>%s</info>', $this->translator->translate('Processed URL:'), $longUrl),

module/CLI/src/Command/Shortcode/ListShortcodesCommand.php

@@ -55,28 +55,78 @@ class ListShortcodesCommand extends Command
                      PaginableRepositoryAdapter::ITEMS_PER_PAGE
                  ),
                  1
+             )
+             ->addOption(
+                 'searchTerm',
+                 's',
+                 InputOption::VALUE_OPTIONAL,
+                 $this->translator->translate(
+                     'A query used to filter results by searching for it on the longUrl and shortCode fields'
+                 )
+             )
+             ->addOption(
+                 'tags',
+                 't',
+                 InputOption::VALUE_OPTIONAL,
+                 $this->translator->translate('A comma-separated list of tags to filter results')
+             )
+             ->addOption(
+                 'orderBy',
+                 'o',
+                 InputOption::VALUE_OPTIONAL,
+                 $this->translator->translate(
+                     'The field from which we want to order by. Pass ASC or DESC separated by a comma'
+                 )
+             )
+             ->addOption(
+                 'showTags',
+                 null,
+                 InputOption::VALUE_NONE,
+                 $this->translator->translate('Whether to display the tags or not')
              );
     }
 
     public function execute(InputInterface $input, OutputInterface $output)
     {
         $page = intval($input->getOption('page'));
+        $searchTerm = $input->getOption('searchTerm');
+        $tags = $input->getOption('tags');
+        $tags = ! empty($tags) ? explode(',', $tags) : [];
+        $showTags = $input->getOption('showTags');
+        $orderBy = $input->getOption('orderBy');
+
         /** @var QuestionHelper $helper */
         $helper = $this->getHelper('question');
 
         do {
-            $result = $this->shortUrlService->listShortUrls($page);
+            $result = $this->shortUrlService->listShortUrls($page, $searchTerm, $tags, $this->processOrderBy($input));
             $page++;
             $table = new Table($output);
-            $table->setHeaders([
+
+            $headers = [
                 $this->translator->translate('Short code'),
                 $this->translator->translate('Original URL'),
                 $this->translator->translate('Date created'),
                 $this->translator->translate('Visits count'),
-            ]);
+            ];
+            if ($showTags) {
+                $headers[] = $this->translator->translate('Tags');
+            }
+            $table->setHeaders($headers);
 
             foreach ($result as $row) {
-                $table->addRow(array_values($row->jsonSerialize()));
+                $shortUrl = $row->jsonSerialize();
+                if ($showTags) {
+                    $shortUrl['tags'] = [];
+                    foreach ($row->getTags() as $tag) {
+                        $shortUrl['tags'][] = $tag->getName();
+                    }
+                    $shortUrl['tags'] = implode(', ', $shortUrl['tags']);
+                } else {
+                    unset($shortUrl['tags']);
+                }
+
+                $table->addRow(array_values($shortUrl));
             }
             $table->render();
 
@@ -95,4 +145,15 @@ class ListShortcodesCommand extends Command
             }
         } while ($continue);
     }
+
+    protected function processOrderBy(InputInterface $input)
+    {
+        $orderBy = $input->getOption('orderBy');
+        if (empty($orderBy)) {
+            return null;
+        }
+
+        $orderBy = explode(',', $orderBy);
+        return count($orderBy) === 1 ? $orderBy[0] : [$orderBy[0] => $orderBy[1]];
+    }
 }

module/CLI/src/Factory/ApplicationFactory.php

@@ -3,7 +3,9 @@ namespace Shlinkio\Shlink\CLI\Factory;
 
 use Interop\Container\ContainerInterface;
 use Interop\Container\Exception\ContainerException;
+use Shlinkio\Shlink\Core\Options\AppOptions;
 use Symfony\Component\Console\Application as CliApp;
+use Zend\I18n\Translator\Translator;
 use Zend\ServiceManager\Exception\ServiceNotCreatedException;
 use Zend\ServiceManager\Exception\ServiceNotFoundException;
 use Zend\ServiceManager\Factory\FactoryInterface;
@@ -25,9 +27,12 @@ class ApplicationFactory implements FactoryInterface
     public function __invoke(ContainerInterface $container, $requestedName, array $options = null)
     {
         $config = $container->get('config')['cli'];
-        $app = new CliApp('Shlink', '1.0.0');
+        $appOptions = $container->get(AppOptions::class);
+        $translator = $container->get(Translator::class);
+        $translator->setLocale($config['locale']);
 
         $commands = isset($config['commands']) ? $config['commands'] : [];
+        $app = new CliApp($appOptions->getName(), $appOptions->getVersion());
         foreach ($commands as $command) {
             if (! $container->has($command)) {
                 continue;

module/CLI/test/Command/Install/InstallCommandTest.php

@@ -0,0 +1,111 @@
+<?php
+namespace ShlinkioTest\Shlink\CLI\Command\Install;
+
+use PHPUnit_Framework_TestCase as TestCase;
+use Prophecy\Argument;
+use Prophecy\Prophecy\ObjectProphecy;
+use Shlinkio\Shlink\CLI\Command\Install\InstallCommand;
+use Symfony\Component\Console\Application;
+use Symfony\Component\Console\Helper\ProcessHelper;
+use Symfony\Component\Console\Tester\CommandTester;
+use Symfony\Component\Process\Process;
+use Zend\Config\Writer\WriterInterface;
+
+class InstallCommandTest extends TestCase
+{
+    /**
+     * @var CommandTester
+     */
+    protected $commandTester;
+    /**
+     * @var ObjectProphecy
+     */
+    protected $configWriter;
+
+    public function setUp()
+    {
+        $processMock = $this->prophesize(Process::class);
+        $processMock->isSuccessful()->willReturn(true);
+        $processHelper = $this->prophesize(ProcessHelper::class);
+        $processHelper->getName()->willReturn('process');
+        $processHelper->setHelperSet(Argument::any())->willReturn(null);
+        $processHelper->run(Argument::cetera())->willReturn($processMock->reveal());
+
+        $app = new Application();
+        $helperSet = $app->getHelperSet();
+        $helperSet->set($processHelper->reveal());
+        $app->setHelperSet($helperSet);
+
+        $this->configWriter = $this->prophesize(WriterInterface::class);
+        $command = new InstallCommand($this->configWriter->reveal());
+        $app->add($command);
+
+        $questionHelper = $command->getHelper('question');
+        $questionHelper->setInputStream($this->createInputStream());
+        $this->commandTester = new CommandTester($command);
+    }
+
+    protected function createInputStream()
+    {
+        $stream = fopen('php://memory', 'rb+', false);
+        fwrite($stream, <<<CLI_INPUT
+
+shlink_db
+alejandro
+1234
+
+
+0
+doma.in
+abc123BCA
+
+1
+my_secret
+CLI_INPUT
+        );
+        rewind($stream);
+
+        return $stream;
+    }
+
+    /**
+     * @test
+     */
+    public function inputIsProperlyParsed()
+    {
+        $this->configWriter->toFile(Argument::any(), [
+            'app_options' => [
+                'secret_key' => 'my_secret',
+            ],
+            'entity_manager' => [
+                'connection' => [
+                    'driver' => 'pdo_mysql',
+                    'dbname' => 'shlink_db',
+                    'user' => 'alejandro',
+                    'password' => '1234',
+                    'host' => 'localhost',
+                    'port' => '3306',
+                    'driverOptions' =>  [
+                        \PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8',
+                    ]
+                ],
+            ],
+            'translator' => [
+                'locale' => 'en',
+            ],
+            'cli' => [
+                'locale' => 'es',
+            ],
+            'url_shortener' => [
+                'domain' => [
+                    'schema' => 'http',
+                    'hostname' => 'doma.in',
+                ],
+                'shortcode_chars' => 'abc123BCA',
+            ],
+        ], false)->shouldBeCalledTimes(1);
+        $this->commandTester->execute([
+            'command' => 'shlink:install',
+        ]);
+    }
+}

module/CLI/test/Command/Shortcode/GeneratePreviewCommandTest.php

@@ -0,0 +1,99 @@
+<?php
+namespace ShlinkioTest\Shlink\CLI\Command\Shortcode;
+
+use PHPUnit_Framework_TestCase as TestCase;
+use Prophecy\Argument;
+use Prophecy\Prophecy\ObjectProphecy;
+use Shlinkio\Shlink\CLI\Command\Shortcode\GeneratePreviewCommand;
+use Shlinkio\Shlink\Common\Exception\PreviewGenerationException;
+use Shlinkio\Shlink\Common\Service\PreviewGenerator;
+use Shlinkio\Shlink\Core\Entity\ShortUrl;
+use Shlinkio\Shlink\Core\Service\ShortUrlService;
+use Symfony\Component\Console\Application;
+use Symfony\Component\Console\Tester\CommandTester;
+use Zend\I18n\Translator\Translator;
+use Zend\Paginator\Adapter\ArrayAdapter;
+use Zend\Paginator\Paginator;
+
+class GeneratePreviewCommandTest extends TestCase
+{
+    /**
+     * @var CommandTester
+     */
+    protected $commandTester;
+    /**
+     * @var ObjectProphecy
+     */
+    private $previewGenerator;
+    /**
+     * @var ObjectProphecy
+     */
+    private $shortUrlService;
+
+    public function setUp()
+    {
+        $this->previewGenerator = $this->prophesize(PreviewGenerator::class);
+        $this->shortUrlService = $this->prophesize(ShortUrlService::class);
+
+        $command = new GeneratePreviewCommand(
+            $this->shortUrlService->reveal(),
+            $this->previewGenerator->reveal(),
+            Translator::factory([])
+        );
+        $app = new Application();
+        $app->add($command);
+
+        $this->commandTester = new CommandTester($command);
+    }
+
+    /**
+     * @test
+     */
+    public function previewsForEveryUrlAreGenerated()
+    {
+        $paginator = $this->createPaginator([
+            (new ShortUrl())->setOriginalUrl('http://foo.com'),
+            (new ShortUrl())->setOriginalUrl('https://bar.com'),
+            (new ShortUrl())->setOriginalUrl('http://baz.com/something'),
+        ]);
+        $this->shortUrlService->listShortUrls(1)->willReturn($paginator)->shouldBeCalledTimes(1);
+
+        $this->previewGenerator->generatePreview('http://foo.com')->shouldBeCalledTimes(1);
+        $this->previewGenerator->generatePreview('https://bar.com')->shouldBeCalledTimes(1);
+        $this->previewGenerator->generatePreview('http://baz.com/something')->shouldBeCalledTimes(1);
+
+        $this->commandTester->execute([
+            'command' => 'shortcode:process-previews'
+        ]);
+    }
+
+    /**
+     * @test
+     */
+    public function exceptionWillOutputError()
+    {
+        $items = [
+            (new ShortUrl())->setOriginalUrl('http://foo.com'),
+            (new ShortUrl())->setOriginalUrl('https://bar.com'),
+            (new ShortUrl())->setOriginalUrl('http://baz.com/something'),
+        ];
+        $paginator = $this->createPaginator($items);
+        $this->shortUrlService->listShortUrls(1)->willReturn($paginator)->shouldBeCalledTimes(1);
+        $this->previewGenerator->generatePreview(Argument::any())->willThrow(PreviewGenerationException::class)
+                                                                 ->shouldBeCalledTimes(count($items));
+
+        $this->commandTester->execute([
+            'command' => 'shortcode:process-previews'
+        ]);
+        $output = $this->commandTester->getDisplay();
+        $this->assertEquals(count($items), substr_count($output, 'Error'));
+    }
+
+    protected function createPaginator(array $items)
+    {
+        $paginator = new Paginator(new ArrayAdapter($items));
+        $paginator->setItemCountPerPage(count($items));
+
+        return $paginator;
+    }
+}

module/CLI/test/Command/Shortcode/GenerateShortcodeCommandTest.php

@@ -1,5 +1,5 @@
 <?php
-namespace ShlinkioTest\Shlink\CLI\Command;
+namespace ShlinkioTest\Shlink\CLI\Command\Shortcode;
 
 use PHPUnit_Framework_TestCase as TestCase;
 use Prophecy\Argument;
@@ -39,8 +39,8 @@ class GenerateShortcodeCommandTest extends TestCase
      */
     public function properShortCodeIsCreatedIfLongUrlIsCorrect()
     {
-        $this->urlShortener->urlToShortCode(Argument::any())->willReturn('abc123')
-                                                            ->shouldBeCalledTimes(1);
+        $this->urlShortener->urlToShortCode(Argument::cetera())->willReturn('abc123')
+                                                               ->shouldBeCalledTimes(1);
 
         $this->commandTester->execute([
             'command' => 'shortcode:generate',
@@ -55,8 +55,8 @@ class GenerateShortcodeCommandTest extends TestCase
      */
     public function exceptionWhileParsingLongUrlOutputsError()
     {
-        $this->urlShortener->urlToShortCode(Argument::any())->willThrow(new InvalidUrlException())
-                                                            ->shouldBeCalledTimes(1);
+        $this->urlShortener->urlToShortCode(Argument::cetera())->willThrow(new InvalidUrlException())
+                                                               ->shouldBeCalledTimes(1);
 
         $this->commandTester->execute([
             'command' => 'shortcode:generate',

module/CLI/test/Command/Shortcode/GetVisitsCommandTest.php

@@ -1,5 +1,5 @@
 <?php
-namespace ShlinkioTest\Shlink\CLI\Command;
+namespace ShlinkioTest\Shlink\CLI\Command\Shortcode;
 
 use PHPUnit_Framework_TestCase as TestCase;
 use Prophecy\Argument;

module/CLI/test/Command/Shortcode/ListShortcodesCommandTest.php

@@ -1,5 +1,5 @@
 <?php
-namespace ShlinkioTest\Shlink\CLI\Command;
+namespace ShlinkioTest\Shlink\CLI\Command\Shortcode;
 
 use PHPUnit_Framework_TestCase as TestCase;
 use Prophecy\Argument;
@@ -46,8 +46,8 @@ class ListShortcodesCommandTest extends TestCase
     public function noInputCallsListJustOnce()
     {
         $this->questionHelper->setInputStream($this->getInputStream('\n'));
-        $this->shortUrlService->listShortUrls(1)->willReturn(new Paginator(new ArrayAdapter()))
-                                                ->shouldBeCalledTimes(1);
+        $this->shortUrlService->listShortUrls(1, null, [], null)->willReturn(new Paginator(new ArrayAdapter()))
+                                                                ->shouldBeCalledTimes(1);
 
         $this->commandTester->execute(['command' => 'shortcode:list']);
     }
@@ -66,7 +66,11 @@ class ListShortcodesCommandTest extends TestCase
 
         $questionHelper = $this->questionHelper;
         $that = $this;
-        $this->shortUrlService->listShortUrls(Argument::any())->will(function () use (&$data, $questionHelper, $that) {
+        $this->shortUrlService->listShortUrls(Argument::cetera())->will(function () use (
+            &$data,
+            $questionHelper,
+            $that
+        ) {
             $questionHelper->setInputStream($that->getInputStream('y'));
             return new Paginator(new ArrayAdapter(array_shift($data)));
         })->shouldBeCalledTimes(3);
@@ -86,8 +90,8 @@ class ListShortcodesCommandTest extends TestCase
         }
 
         $this->questionHelper->setInputStream($this->getInputStream('n'));
-        $this->shortUrlService->listShortUrls(Argument::any())->willReturn(new Paginator(new ArrayAdapter($data)))
-                                                              ->shouldBeCalledTimes(1);
+        $this->shortUrlService->listShortUrls(Argument::cetera())->willReturn(new Paginator(new ArrayAdapter($data)))
+                                                                 ->shouldBeCalledTimes(1);
 
         $this->commandTester->execute(['command' => 'shortcode:list']);
     }
@@ -99,8 +103,8 @@ class ListShortcodesCommandTest extends TestCase
     {
         $page = 5;
         $this->questionHelper->setInputStream($this->getInputStream('\n'));
-        $this->shortUrlService->listShortUrls($page)->willReturn(new Paginator(new ArrayAdapter()))
-                                                    ->shouldBeCalledTimes(1);
+        $this->shortUrlService->listShortUrls($page, null, [], null)->willReturn(new Paginator(new ArrayAdapter()))
+                                                                    ->shouldBeCalledTimes(1);
 
         $this->commandTester->execute([
             'command' => 'shortcode:list',
@@ -108,6 +112,23 @@ class ListShortcodesCommandTest extends TestCase
         ]);
     }
 
+    /**
+     * @test
+     */
+    public function ifTagsFlagIsProvidedTagsColumnIsIncluded()
+    {
+        $this->questionHelper->setInputStream($this->getInputStream('\n'));
+        $this->shortUrlService->listShortUrls(1, null, [], null)->willReturn(new Paginator(new ArrayAdapter()))
+                                                                ->shouldBeCalledTimes(1);
+
+        $this->commandTester->execute([
+            'command' => 'shortcode:list',
+            '--showTags' => true,
+        ]);
+        $output = $this->commandTester->getDisplay();
+        $this->assertTrue(strpos($output, 'Tags') > 0);
+    }
+
     protected function getInputStream($inputData)
     {
         $stream = fopen('php://memory', 'r+', false);

module/CLI/test/Command/Shortcode/ResolveUrlCommandTest.php

@@ -1,5 +1,5 @@
 <?php
-namespace ShlinkioTest\Shlink\CLI\Command;
+namespace ShlinkioTest\Shlink\CLI\Command\Shortcode;
 
 use PHPUnit_Framework_TestCase as TestCase;
 use Prophecy\Prophecy\ObjectProphecy;

module/CLI/test/Command/Visit/ProcessVisitsCommandTest.php

@@ -1,5 +1,5 @@
 <?php
-namespace ShlinkioTest\Shlink\CLI\Command;
+namespace ShlinkioTest\Shlink\CLI\Command\Visit;
 
 use PHPUnit_Framework_TestCase as TestCase;
 use Prophecy\Argument;

module/CLI/test/Factory/ApplicationFactoryTest.php

@@ -3,8 +3,10 @@ namespace ShlinkioTest\Shlink\CLI\Factory;
 
 use PHPUnit_Framework_TestCase as TestCase;
 use Shlinkio\Shlink\CLI\Factory\ApplicationFactory;
+use Shlinkio\Shlink\Core\Options\AppOptions;
 use Symfony\Component\Console\Application;
 use Symfony\Component\Console\Command\Command;
+use Zend\I18n\Translator\Translator;
 use Zend\ServiceManager\ServiceManager;
 
 class ApplicationFactoryTest extends TestCase
@@ -53,8 +55,10 @@ class ApplicationFactoryTest extends TestCase
     {
         return new ServiceManager(['services' => [
             'config' => [
-                'cli' => $config,
+                'cli' => array_merge($config, ['locale' => 'en']),
             ],
+            AppOptions::class => new AppOptions(),
+            Translator::class => Translator::factory([]),
         ]]);
     }
 }

module/Common/config/dependencies.config.php

@@ -4,43 +4,44 @@ use Doctrine\Common\Cache\Cache;
 use Doctrine\ORM\EntityManager;
 use Monolog\Logger;
 use Psr\Log\LoggerInterface;
-use Shlinkio\Shlink\Common\ErrorHandler;
-use Shlinkio\Shlink\Common\Factory\CacheFactory;
-use Shlinkio\Shlink\Common\Factory\EntityManagerFactory;
-use Shlinkio\Shlink\Common\Factory\LoggerFactory;
-use Shlinkio\Shlink\Common\Factory\TranslatorFactory;
+use Shlinkio\Shlink\Common\Factory;
+use Shlinkio\Shlink\Common\Image;
 use Shlinkio\Shlink\Common\Middleware\LocaleMiddleware;
-use Shlinkio\Shlink\Common\Service\IpLocationResolver;
+use Shlinkio\Shlink\Common\Service;
 use Shlinkio\Shlink\Common\Twig\Extension\TranslatorExtension;
+use Symfony\Component\Filesystem\Filesystem;
 use Zend\I18n\Translator\Translator;
 use Zend\ServiceManager\Factory\InvokableFactory;
 
 return [
 
     'dependencies' => [
+        'invokables' => [
+            Filesystem::class => Filesystem::class,
+        ],
         'factories' => [
-            EntityManager::class => EntityManagerFactory::class,
+            EntityManager::class => Factory\EntityManagerFactory::class,
             GuzzleHttp\Client::class => InvokableFactory::class,
-            Cache::class => CacheFactory::class,
-            LoggerInterface::class => LoggerFactory::class,
-            'Logger_Shlink' => LoggerFactory::class,
+            Cache::class => Factory\CacheFactory::class,
+            'Logger_Shlink' => Factory\LoggerFactory::class,
 
-            Translator::class => TranslatorFactory::class,
+            Translator::class => Factory\TranslatorFactory::class,
             TranslatorExtension::class => AnnotatedFactory::class,
             LocaleMiddleware::class => AnnotatedFactory::class,
 
-            IpLocationResolver::class => AnnotatedFactory::class,
+            Image\ImageBuilder::class => Image\ImageBuilderFactory::class,
 
-            ErrorHandler\ContentBasedErrorHandler::class => AnnotatedFactory::class,
-            ErrorHandler\ErrorHandlerManager::class => ErrorHandler\ErrorHandlerManagerFactory::class,
+            Service\IpLocationResolver::class => AnnotatedFactory::class,
+            Service\PreviewGenerator::class => AnnotatedFactory::class,
         ],
         'aliases' => [
             'em' => EntityManager::class,
             'httpClient' => GuzzleHttp\Client::class,
             'translator' => Translator::class,
             'logger' => LoggerInterface::class,
-            Logger::class => LoggerInterface::class,
             AnnotatedFactory::CACHE_SERVICE => Cache::class,
+            Logger::class => 'Logger_Shlink',
+            LoggerInterface::class => 'Logger_Shlink',
         ],
     ],
 

module/Common/config/error-handler.config.php

@@ -1,22 +0,0 @@
-<?php
-use Shlinkio\Shlink\Common\ErrorHandler\ContentBasedErrorHandler;
-use Zend\Expressive\Container\TemplatedErrorHandlerFactory;
-use Zend\Stratigility\FinalHandler;
-
-return [
-
-    'error_handler' => [
-        'plugins' => [
-            'invokables' => [
-                'text/plain' => FinalHandler::class,
-            ],
-            'factories' => [
-                ContentBasedErrorHandler::DEFAULT_CONTENT => TemplatedErrorHandlerFactory::class,
-            ],
-            'aliases' => [
-                'application/xhtml+xml' => ContentBasedErrorHandler::DEFAULT_CONTENT,
-            ],
-        ],
-    ],
-
-];

module/Common/src/ErrorHandler/ContentBasedErrorHandler.php

@@ -1,76 +0,0 @@
-<?php
-namespace Shlinkio\Shlink\Common\ErrorHandler;
-
-use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
-use Psr\Http\Message\ResponseInterface as Response;
-use Psr\Http\Message\ServerRequestInterface as Request;
-use Shlinkio\Shlink\Common\Exception\InvalidArgumentException;
-
-class ContentBasedErrorHandler implements ErrorHandlerInterface
-{
-    const DEFAULT_CONTENT = 'text/html';
-
-    /**
-     * @var ErrorHandlerManagerInterface
-     */
-    private $errorHandlerManager;
-
-    /**
-     * ContentBasedErrorHandler constructor.
-     * @param ErrorHandlerManagerInterface|ErrorHandlerManager $errorHandlerManager
-     *
-     * @Inject({ErrorHandlerManager::class})
-     */
-    public function __construct(ErrorHandlerManagerInterface $errorHandlerManager)
-    {
-        $this->errorHandlerManager = $errorHandlerManager;
-    }
-
-    /**
-     * Final handler for an application.
-     *
-     * @param Request $request
-     * @param Response $response
-     * @param null|mixed $err
-     * @return Response
-     */
-    public function __invoke(Request $request, Response $response, $err = null)
-    {
-        // Try to get an error handler for provided request accepted type
-        $errorHandler = $this->resolveErrorHandlerFromAcceptHeader($request);
-        return $errorHandler($request, $response, $err);
-    }
-
-    /**
-     * Tries to resolve
-     *
-     * @param Request $request
-     * @return callable
-     */
-    protected function resolveErrorHandlerFromAcceptHeader(Request $request)
-    {
-        // Try to find an error handler for one of the accepted content types
-        $accepts = $request->hasHeader('Accept') ? $request->getHeaderLine('Accept') : self::DEFAULT_CONTENT;
-        $accepts = explode(',', $accepts);
-        foreach ($accepts as $accept) {
-            if (! $this->errorHandlerManager->has($accept)) {
-                continue;
-            }
-
-            return $this->errorHandlerManager->get($accept);
-        }
-
-        // If it wasn't possible to find an error handler for accepted content type, use default one if registered
-        if ($this->errorHandlerManager->has(self::DEFAULT_CONTENT)) {
-            return $this->errorHandlerManager->get(self::DEFAULT_CONTENT);
-        }
-
-        // It wasn't possible to find an error handler
-        throw new InvalidArgumentException(sprintf(
-            'It wasn\'t possible to find an error handler for ["%s"] content types. '
-            . 'Make sure you have registered at least the default "%s" content type',
-            implode('", "', $accepts),
-            self::DEFAULT_CONTENT
-        ));
-    }
-}

module/Common/src/ErrorHandler/ErrorHandlerInterface.php

@@ -1,18 +0,0 @@
-<?php
-namespace Shlinkio\Shlink\Common\ErrorHandler;
-
-use Psr\Http\Message\ServerRequestInterface as Request;
-use Psr\Http\Message\ResponseInterface as Response;
-
-interface ErrorHandlerInterface
-{
-    /**
-     * Final handler for an application.
-     *
-     * @param Request $request
-     * @param Response $response
-     * @param null|mixed $err
-     * @return Response
-     */
-    public function __invoke(Request $request, Response $response, $err = null);
-}

module/Common/src/ErrorHandler/ErrorHandlerManager.php

@@ -1,21 +0,0 @@
-<?php
-namespace Shlinkio\Shlink\Common\ErrorHandler;
-
-use Zend\ServiceManager\AbstractPluginManager;
-use Zend\ServiceManager\Exception\InvalidServiceException;
-
-class ErrorHandlerManager extends AbstractPluginManager implements ErrorHandlerManagerInterface
-{
-    public function validate($instance)
-    {
-        if (is_callable($instance)) {
-            return;
-        }
-
-        throw new InvalidServiceException(sprintf(
-            'Only callables are valid plugins for "%s". "%s" provided',
-            __CLASS__,
-            is_object($instance) ? get_class($instance) : gettype($instance)
-        ));
-    }
-}

module/Common/src/ErrorHandler/ErrorHandlerManagerInterface.php

@@ -1,9 +0,0 @@
-<?php
-namespace Shlinkio\Shlink\Common\ErrorHandler;
-
-use Interop\Container\ContainerInterface;
-
-interface ErrorHandlerManagerInterface extends ContainerInterface
-{
-
-}

module/Common/src/Exception/PreviewGenerationException.php

@@ -0,0 +1,10 @@
+<?php
+namespace Shlinkio\Shlink\Common\Exception;
+
+class PreviewGenerationException extends RuntimeException
+{
+    public static function fromImageError($error)
+    {
+        return new self(sprintf('Error generating a preview image with error: %s', $error));
+    }
+}

module/Common/src/Factory/CacheFactory.php

@@ -4,6 +4,7 @@ namespace Shlinkio\Shlink\Common\Factory;
 use Doctrine\Common\Cache;
 use Interop\Container\ContainerInterface;
 use Interop\Container\Exception\ContainerException;
+use Shlinkio\Shlink\Core\Options\AppOptions;
 use Zend\ServiceManager\Exception\ServiceNotCreatedException;
 use Zend\ServiceManager\Exception\ServiceNotFoundException;
 use Zend\ServiceManager\Factory\FactoryInterface;
@@ -31,6 +32,19 @@ class CacheFactory implements FactoryInterface
      * @throws ContainerException if any other error occurs
      */
     public function __invoke(ContainerInterface $container, $requestedName, array $options = null)
+    {
+        $appOptions = $container->get(AppOptions::class);
+        $adapter = $this->getAdapter($container);
+        $adapter->setNamespace($appOptions->__toString());
+
+        return $adapter;
+    }
+
+    /**
+     * @param ContainerInterface $container
+     * @return Cache\CacheProvider
+     */
+    protected function getAdapter(ContainerInterface $container)
     {
         // Try to get the adapter from config
         $config = $container->get('config');
@@ -47,7 +61,7 @@ class CacheFactory implements FactoryInterface
 
     /**
      * @param array $cacheConfig
-     * @return Cache\Cache
+     * @return Cache\CacheProvider
      */
     protected function resolveCacheAdapter(array $cacheConfig)
     {

module/Common/src/Image/ImageBuilder.php

@@ -0,0 +1,10 @@
+<?php
+namespace Shlinkio\Shlink\Common\Image;
+
+use mikehaertl\wkhtmlto\Image;
+use Zend\ServiceManager\AbstractPluginManager;
+
+class ImageBuilder extends AbstractPluginManager implements ImageBuilderInterface
+{
+    protected $instanceOf = Image::class;
+}

module/Common/src/Image/ImageBuilderFactory.php

@@ -1,13 +1,14 @@
 <?php
-namespace Shlinkio\Shlink\Common\ErrorHandler;
+namespace Shlinkio\Shlink\Common\Image;
 
 use Interop\Container\ContainerInterface;
 use Interop\Container\Exception\ContainerException;
+use mikehaertl\wkhtmlto\Image;
 use Zend\ServiceManager\Exception\ServiceNotCreatedException;
 use Zend\ServiceManager\Exception\ServiceNotFoundException;
 use Zend\ServiceManager\Factory\FactoryInterface;
 
-class ErrorHandlerManagerFactory implements FactoryInterface
+class ImageBuilderFactory implements FactoryInterface
 {
     /**
      * Create an object
@@ -23,8 +24,8 @@ class ErrorHandlerManagerFactory implements FactoryInterface
      */
     public function __invoke(ContainerInterface $container, $requestedName, array $options = null)
     {
-        $config = $container->get('config')['error_handler'];
-        $plugins = isset($config['plugins']) ? $config['plugins'] : [];
-        return new ErrorHandlerManager($container, $plugins);
+        return new ImageBuilder($container, ['factories' => [
+            Image::class => ImageFactory::class,
+        ]]);
     }
 }

module/Common/src/Image/ImageBuilderInterface.php

@@ -0,0 +1,8 @@
+<?php
+namespace Shlinkio\Shlink\Common\Image;
+
+use Zend\ServiceManager\ServiceLocatorInterface;
+
+interface ImageBuilderInterface extends ServiceLocatorInterface
+{
+}

module/Common/src/Image/ImageFactory.php

@@ -0,0 +1,36 @@
+<?php
+namespace Shlinkio\Shlink\Common\Image;
+
+use Interop\Container\ContainerInterface;
+use Interop\Container\Exception\ContainerException;
+use mikehaertl\wkhtmlto\Image;
+use Zend\ServiceManager\Exception\ServiceNotCreatedException;
+use Zend\ServiceManager\Exception\ServiceNotFoundException;
+use Zend\ServiceManager\Factory\FactoryInterface;
+
+class ImageFactory implements FactoryInterface
+{
+    /**
+     * Create an object
+     *
+     * @param  ContainerInterface $container
+     * @param  string $requestedName
+     * @param  null|array $options
+     * @return object
+     * @throws ServiceNotFoundException if unable to resolve the service.
+     * @throws ServiceNotCreatedException if an exception is raised when
+     *     creating a service.
+     * @throws ContainerException if any other error occurs
+     */
+    public function __invoke(ContainerInterface $container, $requestedName, array $options = null)
+    {
+        $config = $container->get('config')['phpwkhtmltopdf'];
+        $image = new Image(isset($config['images']) ? $config['images'] : null);
+
+        if (isset($options) && isset($options['url'])) {
+            $image->setPage($options['url']);
+        }
+
+        return $image;
+    }
+}

module/Common/src/Paginator/Adapter/PaginableRepositoryAdapter.php

@@ -13,19 +13,28 @@ class PaginableRepositoryAdapter implements AdapterInterface
      */
     private $paginableRepository;
     /**
-     * @var null
+     * @var null|string
      */
     private $searchTerm;
     /**
-     * @var null
+     * @var null|array|string
      */
     private $orderBy;
+    /**
+     * @var array
+     */
+    private $tags;
 
-    public function __construct(PaginableRepositoryInterface $paginableRepository, $searchTerm = null, $orderBy = null)
-    {
+    public function __construct(
+        PaginableRepositoryInterface $paginableRepository,
+        $searchTerm = null,
+        array $tags = [],
+        $orderBy = null
+    ) {
         $this->paginableRepository = $paginableRepository;
-        $this->searchTerm = $searchTerm;
+        $this->searchTerm = trim(strip_tags($searchTerm));
         $this->orderBy = $orderBy;
+        $this->tags = $tags;
     }
 
     /**
@@ -37,7 +46,13 @@ class PaginableRepositoryAdapter implements AdapterInterface
      */
     public function getItems($offset, $itemCountPerPage)
     {
-        return $this->paginableRepository->findList($itemCountPerPage, $offset, $this->searchTerm, $this->orderBy);
+        return $this->paginableRepository->findList(
+            $itemCountPerPage,
+            $offset,
+            $this->searchTerm,
+            $this->tags,
+            $this->orderBy
+        );
     }
 
     /**
@@ -51,6 +66,6 @@ class PaginableRepositoryAdapter implements AdapterInterface
      */
     public function count()
     {
-        return $this->paginableRepository->countList($this->searchTerm);
+        return $this->paginableRepository->countList($this->searchTerm, $this->tags);
     }
 }

module/Common/src/Repository/PaginableRepositoryInterface.php

@@ -9,16 +9,18 @@ interface PaginableRepositoryInterface
      * @param int|null $limit
      * @param int|null $offset
      * @param string|null $searchTerm
+     * @param array $tags
      * @param string|array|null $orderBy
      * @return array
      */
-    public function findList($limit = null, $offset = null, $searchTerm = null, $orderBy = null);
+    public function findList($limit = null, $offset = null, $searchTerm = null, array $tags = [], $orderBy = null);
 
     /**
      * Counts the number of elements in a list using provided filtering data
      *
      * @param null $searchTerm
+     * @param array $tags
      * @return int
      */
-    public function countList($searchTerm = null);
+    public function countList($searchTerm = null, array $tags = []);
 }

module/Common/src/Service/PreviewGenerator.php

@@ -0,0 +1,70 @@
+<?php
+namespace Shlinkio\Shlink\Common\Service;
+
+use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
+use mikehaertl\wkhtmlto\Image;
+use Shlinkio\Shlink\Common\Exception\PreviewGenerationException;
+use Shlinkio\Shlink\Common\Image\ImageBuilder;
+use Shlinkio\Shlink\Common\Image\ImageBuilderInterface;
+use Symfony\Component\Filesystem\Filesystem;
+
+class PreviewGenerator implements PreviewGeneratorInterface
+{
+    /**
+     * @var string
+     */
+    private $location;
+    /**
+     * @var ImageBuilderInterface
+     */
+    private $imageBuilder;
+    /**
+     * @var Filesystem
+     */
+    private $filesystem;
+
+    /**
+     * PreviewGenerator constructor.
+     * @param ImageBuilderInterface $imageBuilder
+     * @param Filesystem $filesystem
+     * @param string $location
+     *
+     * @Inject({ImageBuilder::class, Filesystem::class, "config.preview_generation.files_location"})
+     */
+    public function __construct(ImageBuilderInterface $imageBuilder, Filesystem $filesystem, $location)
+    {
+        $this->location = $location;
+        $this->imageBuilder = $imageBuilder;
+        $this->filesystem = $filesystem;
+    }
+
+    /**
+     * Generates and stores preview for provided website and returns the path to the image file
+     *
+     * @param string $url
+     * @return string
+     * @throws PreviewGenerationException
+     */
+    public function generatePreview($url)
+    {
+        /** @var Image $image */
+        $image = $this->imageBuilder->build(Image::class, ['url' => $url]);
+
+        // If the file already exists, return its path
+        $cacheId = sprintf('preview_%s.%s', urlencode($url), $image->type);
+        $path = $this->location . '/' . $cacheId;
+        if ($this->filesystem->exists($path)) {
+            return $path;
+        }
+
+        // Save and check if an error occurred
+        $image->saveAs($path);
+        $error = $image->getError();
+        if (! empty($error)) {
+            throw PreviewGenerationException::fromImageError($error);
+        }
+
+        // Cache the path and return it
+        return $path;
+    }
+}

module/Common/src/Service/PreviewGeneratorInterface.php

@@ -0,0 +1,16 @@
+<?php
+namespace Shlinkio\Shlink\Common\Service;
+
+use Shlinkio\Shlink\Common\Exception\PreviewGenerationException;
+
+interface PreviewGeneratorInterface
+{
+    /**
+     * Generates and stores preview for provided website and returns the path to the image file
+     *
+     * @param string $url
+     * @return string
+     * @throws PreviewGenerationException
+     */
+    public function generatePreview($url);
+}

module/Common/src/Util/ResponseUtilsTrait.php

@@ -0,0 +1,35 @@
+<?php
+namespace Shlinkio\Shlink\Common\Util;
+
+use Zend\Diactoros\Response;
+use Zend\Diactoros\Stream;
+use Zend\Stdlib\ArrayUtils;
+
+trait ResponseUtilsTrait
+{
+    protected function generateDownloadFileResponse($filePath)
+    {
+        return $this->generateBinaryResponse($filePath, [
+            'Content-Disposition' => 'attachment; filename=' . basename($filePath),
+            'Content-Transfer-Encoding' => 'Binary',
+            'Content-Description' => 'File Transfer',
+            'Pragma' => 'public',
+            'Expires' => '0',
+            'Cache-Control' => 'must-revalidate',
+        ]);
+    }
+
+    protected function generateImageResponse($imagePath)
+    {
+        return $this->generateBinaryResponse($imagePath);
+    }
+
+    protected function generateBinaryResponse($path, $extraHeaders = [])
+    {
+        $body = new Stream($path);
+        return new Response($body, 200, ArrayUtils::merge([
+            'Content-Type' => (new \finfo(FILEINFO_MIME))->file($path),
+            'Content-Length' => (string) $body->getSize(),
+        ], $extraHeaders));
+    }
+}

module/Common/test/ConfigProviderTest.php

@@ -23,7 +23,6 @@ class ConfigProviderTest extends TestCase
     {
         $config = $this->configProvider->__invoke();
 
-        $this->assertArrayHasKey('error_handler', $config);
         $this->assertArrayHasKey('middleware_pipeline', $config);
         $this->assertArrayHasKey('dependencies', $config);
         $this->assertArrayHasKey('twig', $config);

module/Common/test/ErrorHandler/ContentBasedErrorHandlerTest.php

@@ -1,75 +0,0 @@
-<?php
-namespace ShlinkioTest\Shlink\Common\ErrorHandler;
-
-use PHPUnit_Framework_TestCase as TestCase;
-use Shlinkio\Shlink\Common\ErrorHandler\ContentBasedErrorHandler;
-use Shlinkio\Shlink\Common\ErrorHandler\ErrorHandlerManager;
-use Zend\Diactoros\Response;
-use Zend\Diactoros\ServerRequestFactory;
-use Zend\ServiceManager\ServiceManager;
-
-class ContentBasedErrorHandlerTest extends TestCase
-{
-    /**
-     * @var ContentBasedErrorHandler
-     */
-    protected $errorHandler;
-
-    public function setUp()
-    {
-        $this->errorHandler = new ContentBasedErrorHandler(new ErrorHandlerManager(new ServiceManager(), [
-            'factories' => [
-                'text/html' => [$this, 'factory'],
-                'application/json' => [$this, 'factory'],
-            ],
-        ]));
-    }
-
-    public function factory($container, $name)
-    {
-        return function () use ($name) {
-            return $name;
-        };
-    }
-
-    /**
-     * @test
-     */
-    public function correctAcceptHeaderValueInvokesErrorHandler()
-    {
-        $request = ServerRequestFactory::fromGlobals()->withHeader('Accept', 'foo/bar,application/json');
-        $result = $this->errorHandler->__invoke($request, new Response());
-        $this->assertEquals('application/json', $result);
-    }
-
-    /**
-     * @test
-     */
-    public function defaultContentTypeIsUsedWhenNoAcceptHeaderisPresent()
-    {
-        $request = ServerRequestFactory::fromGlobals();
-        $result = $this->errorHandler->__invoke($request, new Response());
-        $this->assertEquals('text/html', $result);
-    }
-
-    /**
-     * @test
-     */
-    public function defaultContentTypeIsUsedWhenAcceptedContentIsNotSupported()
-    {
-        $request = ServerRequestFactory::fromGlobals()->withHeader('Accept', 'foo/bar,text/xml');
-        $result = $this->errorHandler->__invoke($request, new Response());
-        $this->assertEquals('text/html', $result);
-    }
-
-    /**
-     * @test
-     * @expectedException \Shlinkio\Shlink\Common\Exception\InvalidArgumentException
-     */
-    public function ifNoErrorHandlerIsFoundAnExceptionIsThrown()
-    {
-        $this->errorHandler = new ContentBasedErrorHandler(new ErrorHandlerManager(new ServiceManager(), []));
-        $request = ServerRequestFactory::fromGlobals()->withHeader('Accept', 'foo/bar,text/xml');
-        $result = $this->errorHandler->__invoke($request, new Response());
-    }
-}

module/Common/test/ErrorHandler/ErrorHandlerManagerFactoryTest.php

@@ -1,35 +0,0 @@
-<?php
-namespace ShlinkioTest\Shlink\Common\ErrorHandler;
-
-use PHPUnit_Framework_TestCase as TestCase;
-use Shlinkio\Shlink\Common\ErrorHandler\ErrorHandlerManager;
-use Shlinkio\Shlink\Common\ErrorHandler\ErrorHandlerManagerFactory;
-use Zend\ServiceManager\ServiceManager;
-
-class ErrorHandlerManagerFactoryTest extends TestCase
-{
-    /**
-     * @var ErrorHandlerManagerFactory
-     */
-    protected $factory;
-
-    public function setUp()
-    {
-        $this->factory = new ErrorHandlerManagerFactory();
-    }
-
-    /**
-     * @test
-     */
-    public function serviceIsCreated()
-    {
-        $instance = $this->factory->__invoke(new ServiceManager(['services' => [
-            'config' => [
-                'error_handler' => [
-                    'plugins' => [],
-                ],
-            ],
-        ]]), '');
-        $this->assertInstanceOf(ErrorHandlerManager::class, $instance);
-    }
-}

module/Common/test/ErrorHandler/ErrorHandlerManagerTest.php

@@ -1,45 +0,0 @@
-<?php
-namespace ShlinkioTest\Shlink\Common\ErrorHandler;
-
-use PHPUnit_Framework_TestCase as TestCase;
-use Shlinkio\Shlink\Common\ErrorHandler\ErrorHandlerManager;
-use Zend\ServiceManager\ServiceManager;
-
-class ErrorHandlerManagerTest extends TestCase
-{
-    /**
-     * @var ErrorHandlerManager
-     */
-    protected $pluginManager;
-
-    public function setUp()
-    {
-        $this->pluginManager = new ErrorHandlerManager(new ServiceManager(), [
-            'services' => [
-                'foo' => function () {
-                },
-            ],
-            'invokables' => [
-                'invalid' => \stdClass::class,
-            ]
-        ]);
-    }
-
-    /**
-     * @test
-     */
-    public function callablesAreReturned()
-    {
-        $instance = $this->pluginManager->get('foo');
-        $this->assertInstanceOf(\Closure::class, $instance);
-    }
-
-    /**
-     * @test
-     * @expectedException \Zend\ServiceManager\Exception\InvalidServiceException
-     */
-    public function nonCallablesThrowException()
-    {
-        $this->pluginManager->get('invalid');
-    }
-}

module/Common/test/Factory/CacheFactoryTest.php

@@ -8,6 +8,7 @@ use Doctrine\Common\Cache\MemcachedCache;
 use Doctrine\Common\Cache\RedisCache;
 use PHPUnit_Framework_TestCase as TestCase;
 use Shlinkio\Shlink\Common\Factory\CacheFactory;
+use Shlinkio\Shlink\Core\Options\AppOptions;
 use Zend\ServiceManager\ServiceManager;
 
 class CacheFactoryTest extends TestCase
@@ -109,6 +110,7 @@ class CacheFactoryTest extends TestCase
                     'options' => $options,
                 ],
             ] : [],
+            AppOptions::class => new AppOptions(),
         ]]);
     }
 }

module/Common/test/Image/ImageBuilderFactoryTest.php

@@ -0,0 +1,29 @@
+<?php
+namespace ShlinkioTest\Shlink\Common\Image;
+
+use PHPUnit_Framework_TestCase as TestCase;
+use Shlinkio\Shlink\Common\Image\ImageBuilder;
+use Shlinkio\Shlink\Common\Image\ImageBuilderFactory;
+use Zend\ServiceManager\ServiceManager;
+
+class ImageBuilderFactoryTest extends TestCase
+{
+    /**
+     * @var ImageBuilderFactory
+     */
+    protected $factory;
+
+    public function setUp()
+    {
+        $this->factory = new ImageBuilderFactory();
+    }
+
+    /**
+     * @test
+     */
+    public function serviceIsCreated()
+    {
+        $instance = $this->factory->__invoke(new ServiceManager(), '');
+        $this->assertInstanceOf(ImageBuilder::class, $instance);
+    }
+}

module/Common/test/Image/ImageFactoryTest.php

@@ -0,0 +1,56 @@
+<?php
+namespace ShlinkioTest\Shlink\Common\Image;
+
+use mikehaertl\wkhtmlto\Image;
+use PHPUnit_Framework_TestCase as TestCase;
+use Shlinkio\Shlink\Common\Image\ImageFactory;
+use Zend\ServiceManager\ServiceManager;
+
+class ImageFactoryTest extends TestCase
+{
+    /**
+     * @var ImageFactory
+     */
+    protected $factory;
+
+    public function setUp()
+    {
+        $this->factory = new ImageFactory();
+    }
+
+    /**
+     * @test
+     */
+    public function noPageIsSetWhenOptionsAreNotProvided()
+    {
+        /** @var Image $image */
+        $image = $this->factory->__invoke(new ServiceManager(['services' => [
+            'config' => ['phpwkhtmltopdf' => []],
+        ]]), '');
+        $this->assertInstanceOf(Image::class, $image);
+
+        $ref = new \ReflectionObject($image);
+        $page = $ref->getProperty('_page');
+        $page->setAccessible(true);
+        $this->assertNull($page->getValue($image));
+    }
+
+    /**
+     * @test
+     */
+    public function aPageIsSetWhenOptionsIncludeTheUrl()
+    {
+        $expectedPage = 'foo/bar.html';
+
+        /** @var Image $image */
+        $image = $this->factory->__invoke(new ServiceManager(['services' => [
+            'config' => ['phpwkhtmltopdf' => []],
+        ]]), '', ['url' => $expectedPage]);
+        $this->assertInstanceOf(Image::class, $image);
+
+        $ref = new \ReflectionObject($image);
+        $page = $ref->getProperty('_page');
+        $page->setAccessible(true);
+        $this->assertEquals($expectedPage, $page->getValue($image));
+    }
+}

module/Common/test/Paginator/PaginableRepositoryAdapterTest.php

@@ -20,7 +20,7 @@ class PaginableRepositoryAdapterTest extends TestCase
     public function setUp()
     {
         $this->repo = $this->prophesize(PaginableRepositoryInterface::class);
-        $this->adapter = new PaginableRepositoryAdapter($this->repo->reveal(), 'search', 'order');
+        $this->adapter = new PaginableRepositoryAdapter($this->repo->reveal(), 'search', ['foo', 'bar'], 'order');
     }
 
     /**
@@ -28,7 +28,7 @@ class PaginableRepositoryAdapterTest extends TestCase
      */
     public function getItemsFallbacksToFindList()
     {
-        $this->repo->findList(10, 5, 'search', 'order')->shouldBeCalledTimes(1);
+        $this->repo->findList(10, 5, 'search', ['foo', 'bar'], 'order')->shouldBeCalledTimes(1);
         $this->adapter->getItems(5, 10);
     }
 
@@ -37,7 +37,7 @@ class PaginableRepositoryAdapterTest extends TestCase
      */
     public function countFallbacksToCountList()
     {
-        $this->repo->countList('search')->shouldBeCalledTimes(1);
+        $this->repo->countList('search', ['foo', 'bar'])->shouldBeCalledTimes(1);
         $this->adapter->count();
     }
 }

module/Common/test/Service/PreviewGeneratorTest.php

@@ -0,0 +1,89 @@
+<?php
+namespace ShlinkioTest\Shlink\Common\Service;
+
+use mikehaertl\wkhtmlto\Image;
+use PHPUnit_Framework_TestCase as TestCase;
+use Prophecy\Argument;
+use Prophecy\Prophecy\ObjectProphecy;
+use Shlinkio\Shlink\Common\Image\ImageBuilder;
+use Shlinkio\Shlink\Common\Service\PreviewGenerator;
+use Symfony\Component\Filesystem\Filesystem;
+use Zend\ServiceManager\ServiceManager;
+
+class PreviewGeneratorTest extends TestCase
+{
+    /**
+     * @var PreviewGenerator
+     */
+    protected $generator;
+    /**
+     * @var ObjectProphecy
+     */
+    protected $image;
+    /**
+     * @var ObjectProphecy
+     */
+    protected $filesystem;
+
+    public function setUp()
+    {
+        $this->image = $this->prophesize(Image::class);
+        $this->filesystem = $this->prophesize(Filesystem::class);
+
+        $this->generator = new PreviewGenerator(new ImageBuilder(new ServiceManager(), [
+            'factories' => [
+                Image::class => function () {
+                    return $this->image->reveal();
+                },
+            ]
+        ]), $this->filesystem->reveal(), 'dir');
+    }
+
+    /**
+     * @test
+     */
+    public function alreadyProcessedElementsAreNotProcessed()
+    {
+        $url = 'http://foo.com';
+        $this->filesystem->exists(sprintf('dir/preview_%s.png', urlencode($url)))->willReturn(true)
+                                                                                 ->shouldBeCalledTimes(1);
+        $this->image->saveAs(Argument::cetera())->shouldBeCalledTimes(0);
+        $this->assertEquals(sprintf('dir/preview_%s.png', urlencode($url)), $this->generator->generatePreview($url));
+    }
+
+    /**
+     * @test
+     */
+    public function nonProcessedElementsAreProcessed()
+    {
+        $url = 'http://foo.com';
+        $cacheId = sprintf('preview_%s.png', urlencode($url));
+        $expectedPath = 'dir/' . $cacheId;
+
+        $this->filesystem->exists(sprintf('dir/preview_%s.png', urlencode($url)))->willReturn(false)
+                                                                                 ->shouldBeCalledTimes(1);
+
+        $this->image->saveAs($expectedPath)->shouldBeCalledTimes(1);
+        $this->image->getError()->willReturn('')->shouldBeCalledTimes(1);
+        $this->assertEquals($expectedPath, $this->generator->generatePreview($url));
+    }
+
+    /**
+     * @test
+     * @expectedException \Shlinkio\Shlink\Common\Exception\PreviewGenerationException
+     */
+    public function errorWhileGeneratingPreviewThrowsException()
+    {
+        $url = 'http://foo.com';
+        $cacheId = sprintf('preview_%s.png', urlencode($url));
+        $expectedPath = 'dir/' . $cacheId;
+
+        $this->filesystem->exists(sprintf('dir/preview_%s.png', urlencode($url)))->willReturn(false)
+                                                                                 ->shouldBeCalledTimes(1);
+
+        $this->image->saveAs($expectedPath)->shouldBeCalledTimes(1);
+        $this->image->getError()->willReturn('Error!!')->shouldBeCalledTimes(1);
+
+        $this->generator->generatePreview($url);
+    }
+}

module/Core/config/dependencies.config.php

@@ -2,14 +2,14 @@
 use Acelaya\ZsmAnnotatedServices\Factory\V3\AnnotatedFactory;
 use Shlinkio\Shlink\Core\Action;
 use Shlinkio\Shlink\Core\Middleware;
-use Shlinkio\Shlink\Core\Options\AppOptions;
+use Shlinkio\Shlink\Core\Options;
 use Shlinkio\Shlink\Core\Service;
 
 return [
 
     'dependencies' => [
         'factories' => [
-            AppOptions::class => AnnotatedFactory::class,
+            Options\AppOptions::class => Options\AppOptionsFactory::class,
 
             // Services
             Service\UrlShortener::class => AnnotatedFactory::class,
@@ -20,6 +20,7 @@ return [
             // Middleware
             Action\RedirectAction::class => AnnotatedFactory::class,
             Action\QrCodeAction::class => AnnotatedFactory::class,
+            Action\PreviewAction::class => AnnotatedFactory::class,
             Middleware\QrCodeCacheMiddleware::class => AnnotatedFactory::class,
         ],
     ],

module/Core/config/routes.config.php

@@ -13,6 +13,23 @@ return [
         ],
         [
             'name' => 'short-url-qr-code',
+            'path' => '/{shortCode}/qr-code[/{size:[0-9]+}]',
+            'middleware' => [
+                Middleware\QrCodeCacheMiddleware::class,
+                Action\QrCodeAction::class,
+            ],
+            'allowed_methods' => ['GET'],
+        ],
+        [
+            'name' => 'short-url-preview',
+            'path' => '/{shortCode}/preview',
+            'middleware' => Action\PreviewAction::class,
+            'allowed_methods' => ['GET'],
+        ],
+
+        // Old QR code route. Deprecated
+        [
+            'name' => 'short-url-qr-code-old',
             'path' => '/qr/{shortCode}[/{size:[0-9]+}]',
             'middleware' => [
                 Middleware\QrCodeCacheMiddleware::class,

module/Core/lang/es.po

@@ -1,9 +1,9 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: Shlink 1.0\n"
-"POT-Creation-Date: 2016-07-21 16:50+0200\n"
-"PO-Revision-Date: 2016-07-21 16:51+0200\n"
-"Last-Translator: \n"
+"POT-Creation-Date: 2016-08-21 18:17+0200\n"
+"PO-Revision-Date: 2016-08-21 18:17+0200\n"
+"Last-Translator: Alejandro Celaya <alejandro@alejandrocelaya.com>\n"
 "Language-Team: \n"
 "Language: es_ES\n"
 "MIME-Version: 1.0\n"

module/Core/src/Action/PreviewAction.php

@@ -0,0 +1,85 @@
+<?php
+namespace Shlinkio\Shlink\Core\Action;
+
+use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
+use Psr\Http\Message\ResponseInterface as Response;
+use Psr\Http\Message\ServerRequestInterface as Request;
+use Shlinkio\Shlink\Common\Exception\PreviewGenerationException;
+use Shlinkio\Shlink\Common\Service\PreviewGenerator;
+use Shlinkio\Shlink\Common\Service\PreviewGeneratorInterface;
+use Shlinkio\Shlink\Common\Util\ResponseUtilsTrait;
+use Shlinkio\Shlink\Core\Exception\InvalidShortCodeException;
+use Shlinkio\Shlink\Core\Service\UrlShortener;
+use Shlinkio\Shlink\Core\Service\UrlShortenerInterface;
+use Zend\Stratigility\MiddlewareInterface;
+
+class PreviewAction implements MiddlewareInterface
+{
+    use ResponseUtilsTrait;
+
+    /**
+     * @var PreviewGeneratorInterface
+     */
+    private $previewGenerator;
+    /**
+     * @var UrlShortenerInterface
+     */
+    private $urlShortener;
+
+    /**
+     * PreviewAction constructor.
+     * @param PreviewGeneratorInterface $previewGenerator
+     * @param UrlShortenerInterface $urlShortener
+     *
+     * @Inject({PreviewGenerator::class, UrlShortener::class})
+     */
+    public function __construct(PreviewGeneratorInterface $previewGenerator, UrlShortenerInterface $urlShortener)
+    {
+        $this->previewGenerator = $previewGenerator;
+        $this->urlShortener = $urlShortener;
+    }
+
+    /**
+     * Process an incoming request and/or response.
+     *
+     * Accepts a server-side request and a response instance, and does
+     * something with them.
+     *
+     * If the response is not complete and/or further processing would not
+     * interfere with the work done in the middleware, or if the middleware
+     * wants to delegate to another process, it can use the `$out` callable
+     * if present.
+     *
+     * If the middleware does not return a value, execution of the current
+     * request is considered complete, and the response instance provided will
+     * be considered the response to return.
+     *
+     * Alternately, the middleware may return a response instance.
+     *
+     * Often, middleware will `return $out();`, with the assumption that a
+     * later middleware will return a response.
+     *
+     * @param Request $request
+     * @param Response $response
+     * @param null|callable $out
+     * @return null|Response
+     */
+    public function __invoke(Request $request, Response $response, callable $out = null)
+    {
+        $shortCode = $request->getAttribute('shortCode');
+
+        try {
+            $url = $this->urlShortener->shortCodeToUrl($shortCode);
+            if (! isset($url)) {
+                return $out($request, $response->withStatus(404), 'Not found');
+            }
+
+            $imagePath = $this->previewGenerator->generatePreview($url);
+            return $this->generateImageResponse($imagePath);
+        } catch (InvalidShortCodeException $e) {
+            return $out($request, $response->withStatus(404), 'Not found');
+        } catch (PreviewGenerationException $e) {
+            return $out($request, $response->withStatus(500), 'Preview generation error');
+        }
+    }
+}

module/Core/src/Entity/ShortUrl.php

@@ -28,8 +28,7 @@ class ShortUrl extends AbstractEntity implements \JsonSerializable
      *     type="string",
      *     nullable=false,
      *     length=10,
-     *     unique=true,
-     *     options={"collation": "utf8_bin"}
+     *     unique=true
      * )
      */
     protected $shortCode;
@@ -43,6 +42,16 @@ class ShortUrl extends AbstractEntity implements \JsonSerializable
      * @ORM\OneToMany(targetEntity=Visit::class, mappedBy="shortUrl", fetch="EXTRA_LAZY")
      */
     protected $visits;
+    /**
+     * @var Collection|Tag[]
+     * @ORM\ManyToMany(targetEntity=Tag::class, cascade={"persist"})
+     * @ORM\JoinTable(name="short_urls_in_tags", joinColumns={
+     *     @ORM\JoinColumn(name="short_url_id", referencedColumnName="id")
+     * }, inverseJoinColumns={
+     *     @ORM\JoinColumn(name="tag_id", referencedColumnName="id")
+     * })
+     */
+    protected $tags;
 
     /**
      * ShortUrl constructor.
@@ -52,6 +61,7 @@ class ShortUrl extends AbstractEntity implements \JsonSerializable
         $this->setDateCreated(new \DateTime());
         $this->setVisits(new ArrayCollection());
         $this->setShortCode('');
+        $this->tags = new ArrayCollection();
     }
 
     /**
@@ -126,6 +136,34 @@ class ShortUrl extends AbstractEntity implements \JsonSerializable
         return $this;
     }
 
+    /**
+     * @return Collection|Tag[]
+     */
+    public function getTags()
+    {
+        return $this->tags;
+    }
+
+    /**
+     * @param Collection|Tag[] $tags
+     * @return $this
+     */
+    public function setTags($tags)
+    {
+        $this->tags = $tags;
+        return $this;
+    }
+
+    /**
+     * @param Tag $tag
+     * @return $this
+     */
+    public function addTag(Tag $tag)
+    {
+        $this->tags->add($tag);
+        return $this;
+    }
+
     /**
      * Specify data which should be serialized to JSON
      * @link http://php.net/manual/en/jsonserializable.jsonserialize.php
@@ -140,6 +178,7 @@ class ShortUrl extends AbstractEntity implements \JsonSerializable
             'originalUrl' => $this->originalUrl,
             'dateCreated' => isset($this->dateCreated) ? $this->dateCreated->format(\DateTime::ISO8601) : null,
             'visitsCount' => count($this->visits),
+            'tags' => $this->tags->toArray(),
         ];
     }
 }

module/Core/src/Entity/Tag.php

@@ -0,0 +1,52 @@
+<?php
+namespace Shlinkio\Shlink\Core\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+use Shlinkio\Shlink\Common\Entity\AbstractEntity;
+
+/**
+ * Class Tag
+ * @author
+ * @link
+ *
+ * @ORM\Entity()
+ * @ORM\Table(name="tags")
+ */
+class Tag extends AbstractEntity implements \JsonSerializable
+{
+    /**
+     * @var string
+     * @ORM\Column(unique=true)
+     */
+    protected $name;
+
+    /**
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * @param string $name
+     * @return $this
+     */
+    public function setName($name)
+    {
+        $this->name = $name;
+        return $this;
+    }
+
+    /**
+     * Specify data which should be serialized to JSON
+     * @link http://php.net/manual/en/jsonserializable.jsonserialize.php
+     * @return mixed data which can be serialized by <b>json_encode</b>,
+     * which is a value of any type other than a resource.
+     * @since 5.4.0
+     */
+    public function jsonSerialize()
+    {
+        return $this->name;
+    }
+}

module/Core/src/Exception/InvalidShortCodeException.php

@@ -5,7 +5,7 @@ use Shlinkio\Shlink\Common\Exception\RuntimeException;
 
 class InvalidShortCodeException extends RuntimeException
 {
-    public static function fromShortCode($shortCode, $charSet, \Exception $previous = null)
+    public static function fromCharset($shortCode, $charSet, \Exception $previous = null)
     {
         $code = isset($previous) ? $previous->getCode() : -1;
         return new static(
@@ -14,4 +14,9 @@ class InvalidShortCodeException extends RuntimeException
             $previous
         );
     }
+
+    public static function fromNotFoundShortCode($shortCode)
+    {
+        return new static(sprintf('Provided short code "%s" does not belong to a short URL', $shortCode));
+    }
 }

module/Core/src/Options/AppOptions.php

@@ -1,7 +1,6 @@
 <?php
 namespace Shlinkio\Shlink\Core\Options;
 
-use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
 use Shlinkio\Shlink\Common\Util\StringUtilsTrait;
 use Zend\Stdlib\AbstractOptions;
 
@@ -25,8 +24,6 @@ class AppOptions extends AbstractOptions
     /**
      * AppOptions constructor.
      * @param array|null|\Traversable $options
-     *
-     * @Inject({"config.app_options"})
      */
     public function __construct($options = null)
     {

module/Core/src/Options/AppOptionsFactory.php

@@ -0,0 +1,29 @@
+<?php
+namespace Shlinkio\Shlink\Core\Options;
+
+use Interop\Container\ContainerInterface;
+use Interop\Container\Exception\ContainerException;
+use Zend\ServiceManager\Exception\ServiceNotCreatedException;
+use Zend\ServiceManager\Exception\ServiceNotFoundException;
+use Zend\ServiceManager\Factory\FactoryInterface;
+
+class AppOptionsFactory implements FactoryInterface
+{
+    /**
+     * Create an object
+     *
+     * @param  ContainerInterface $container
+     * @param  string $requestedName
+     * @param  null|array $options
+     * @return object
+     * @throws ServiceNotFoundException if unable to resolve the service.
+     * @throws ServiceNotCreatedException if an exception is raised when
+     *     creating a service.
+     * @throws ContainerException if any other error occurs
+     */
+    public function __invoke(ContainerInterface $container, $requestedName, array $options = null)
+    {
+        $config = $container->has('config') ? $container->get('config') : [];
+        return new AppOptions(isset($config['app_options']) ? $config['app_options'] : []);
+    }
+}

module/Core/src/Repository/ShortUrlRepository.php

@@ -2,6 +2,7 @@
 namespace Shlinkio\Shlink\Core\Repository;
 
 use Doctrine\ORM\EntityRepository;
+use Doctrine\ORM\QueryBuilder;
 use Shlinkio\Shlink\Core\Entity\ShortUrl;
 
 class ShortUrlRepository extends EntityRepository implements ShortUrlRepositoryInterface
@@ -10,31 +11,55 @@ class ShortUrlRepository extends EntityRepository implements ShortUrlRepositoryI
      * @param int|null $limit
      * @param int|null $offset
      * @param string|null $searchTerm
+     * @param array $tags
      * @param string|array|null $orderBy
-     * @return ShortUrl[]
+     * @return \Shlinkio\Shlink\Core\Entity\ShortUrl[]
      */
-    public function findList($limit = null, $offset = null, $searchTerm = null, $orderBy = null)
+    public function findList($limit = null, $offset = null, $searchTerm = null, array $tags = [], $orderBy = null)
     {
-        $qb = $this->createQueryBuilder('s');
+        $qb = $this->createListQueryBuilder($searchTerm, $tags);
+        $qb->select('s');
 
-        if (isset($limit)) {
+        // Set limit and offset
+        if ($limit !== null) {
             $qb->setMaxResults($limit);
         }
-        if (isset($offset)) {
+        if ($offset !== null) {
             $qb->setFirstResult($offset);
         }
-        if (isset($searchTerm)) {
-            // TODO
+
+        // In case the ordering has been specified, the query could be more complex. Process it
+        if ($orderBy !== null) {
+            return $this->processOrderByForList($qb, $orderBy);
         }
-        if (isset($orderBy)) {
-            if (is_string($orderBy)) {
-                $qb->orderBy($orderBy);
-            } elseif (is_array($orderBy)) {
-                $key = key($orderBy);
-                $qb->orderBy($key, $orderBy[$key]);
-            }
-        } else {
-            $qb->orderBy('s.dateCreated');
+
+        // With no order by, order by date and just return the list of ShortUrls
+        $qb->orderBy('s.dateCreated');
+        return $qb->getQuery()->getResult();
+    }
+
+    protected function processOrderByForList(QueryBuilder $qb, $orderBy)
+    {
+        $fieldName = is_array($orderBy) ? key($orderBy) : $orderBy;
+        $order = is_array($orderBy) ? $orderBy[$fieldName] : 'ASC';
+
+        if (in_array($fieldName, [
+            'visits',
+            'visitsCount',
+            'visitCount',
+        ], true)) {
+            $qb->addSelect('COUNT(v) AS totalVisits')
+               ->leftJoin('s.visits', 'v')
+               ->groupBy('s')
+               ->orderBy('totalVisits', $order);
+
+            return array_column($qb->getQuery()->getResult(), 0);
+        } elseif (in_array($fieldName, [
+            'originalUrl',
+            'shortCode',
+            'dateCreated',
+        ], true)) {
+            $qb->orderBy('s.' . $fieldName, $order);
         }
 
         return $qb->getQuery()->getResult();
@@ -43,19 +68,51 @@ class ShortUrlRepository extends EntityRepository implements ShortUrlRepositoryI
     /**
      * Counts the number of elements in a list using provided filtering data
      *
-     * @param null $searchTerm
+     * @param null|string $searchTerm
+     * @param array $tags
      * @return int
      */
-    public function countList($searchTerm = null)
+    public function countList($searchTerm = null, array $tags = [])
     {
-        $qb = $this->getEntityManager()->createQueryBuilder();
-        $qb->select('COUNT(s)')
-           ->from(ShortUrl::class, 's');
-
-        if (isset($searchTerm)) {
-            // TODO
-        }
+        $qb = $this->createListQueryBuilder($searchTerm, $tags);
+        $qb->select('COUNT(s)');
 
         return (int) $qb->getQuery()->getSingleScalarResult();
     }
+
+    /**
+     * @param null|string $searchTerm
+     * @param array $tags
+     * @return QueryBuilder
+     */
+    protected function createListQueryBuilder($searchTerm = null, array $tags = [])
+    {
+        $qb = $this->getEntityManager()->createQueryBuilder();
+        $qb->from(ShortUrl::class, 's');
+        $qb->where('1=1');
+
+        // Apply search term to every searchable field if not empty
+        if (! empty($searchTerm)) {
+            $qb->join('s.tags', 't');
+
+            $conditions = [
+                $qb->expr()->like('s.originalUrl', ':searchPattern'),
+                $qb->expr()->like('s.shortCode', ':searchPattern'),
+                $qb->expr()->like('t.name', ':searchPattern'),
+            ];
+
+            // Unpack and apply search conditions
+            $qb->andWhere($qb->expr()->orX(...$conditions));
+            $searchTerm = '%' . $searchTerm . '%';
+            $qb->setParameter('searchPattern', $searchTerm);
+        }
+
+        // Filter by tags if provided
+        if (! empty($tags)) {
+            $qb->join('s.tags', 't')
+               ->andWhere($qb->expr()->in('t.name', $tags));
+        }
+
+        return $qb;
+    }
 }

module/Core/src/Repository/VisitRepository.php

@@ -29,12 +29,6 @@ class VisitRepository extends EntityRepository implements VisitRepositoryInterfa
         $shortUrl = $shortUrl instanceof ShortUrl
             ? $shortUrl
             : $this->getEntityManager()->find(ShortUrl::class, $shortUrl);
-        if (! isset($dateRange) || $dateRange->isEmpty()) {
-            $startDate = $shortUrl->getDateCreated();
-            $endDate = clone $startDate;
-            $endDate->add(new \DateInterval('P2D'));
-            $dateRange = new DateRange($startDate, $endDate);
-        }
 
         $qb = $this->createQueryBuilder('v');
         $qb->where($qb->expr()->eq('v.shortUrl', ':shortUrl'))