Add bookmark sharing (#311)

* Allow marking bookmarks as shared

* Add basic share view

* Ensure tag names in tag cloud are unique

* Filter shared bookmarks by user

* Add link for filtering by user

* Prevent n+1 queries when rendering bookmark list

* Prevent empty query params in return URL

* Fix user select template tag name

* Create shared bookmarks through API

* List shared bookmarks through API

* Show bookmark suggestions for shared view

* Show unique tags in search suggestions

* Sort user options

* Add bookmark sharing feature flag

* Add test for share setting default

* Simplify settings view

bookmarks/templates/bookmarks/search.html

@@ -3,10 +3,13 @@
         <div class="input-group">
             <span id="search-input-wrap">
                 <input type="search" class="form-input" name="q" placeholder="Search for words or #tags"
-                       value="{{ query }}">
+                       value="{{ filters.query }}">
             </span>
             <input type="submit" value="Search" class="btn input-group-btn">
         </div>
+        {% if filters.user %}
+            <input type="hidden" name="user" value="{{ filters.user }}">
+        {% endif %}
     </form>
 </div>
 
@@ -15,6 +18,11 @@
     window.addEventListener("load", function() {
         const currentTagsString = '{{ tags_string }}';
         const currentTags = currentTagsString.split(' ');
+        const uniqueTags = [...new Set(currentTags)]
+        const filters = {
+          q: '{{ filters.query }}',
+          user: '{{ filters.user }}',
+        }
         const apiClient = new linkding.ApiClient('{% url 'bookmarks:api-root' %}')
         const wrapper = document.getElementById('search-input-wrap')
         const newWrapper = document.createElement('div')
@@ -23,10 +31,11 @@
             props: {
                 name: 'q',
                 placeholder: 'Search for words or #tags',
-                value: '{{ query }}',
-                tags: currentTags,
+                value: '{{ filters.query }}',
+                tags: uniqueTags,
                 mode: '{{ mode }}',
-                apiClient
+                apiClient,
+                filters,
             }
         })
         wrapper.parentElement.replaceChild(newWrapper, wrapper)