implement collection chooser on document listing

wagtail/wagtaildocs/templates/wagtaildocs/documents/index.html

@@ -9,6 +9,12 @@
             termInput: "#id_q",
             targetOutput: "#document-results"
         }
+
+        $(function() {
+            $('#collection_chooser_collection_id').change(function() {
+                this.form.submit();
+            })
+        });
     </script>
 {% endblock %}
 
@@ -23,6 +29,14 @@
     {% endif %}
 
     <div class="nice-padding">
+        {% if collections %}
+            <form class="image-search search-bar" action="{% url 'wagtaildocs:index' %}" method="GET">
+                <ul class="fields">
+                    {% include "wagtailadmin/shared/collection_chooser.html" %}
+                </ul>
+            </form>
+        {% endif %}
+
         <div id="document-results" class="documents">
             {% include "wagtaildocs/documents/results.html" %}
         </div>

wagtail/wagtaildocs/templates/wagtaildocs/documents/results.html

@@ -22,6 +22,10 @@
          {% search_other %}
     {% else %}
         {% url 'wagtaildocs:add' as wagtaildocs_add_document_url %}
+        {% if current_collection %}
+            <p>{% blocktrans %}You haven't uploaded any documents in this collection. Why not <a href="{{ wagtaildocs_add_document_url }}">upload one now</a>?{% endblocktrans %}</p>
+        {% else %}
             <p>{% blocktrans %}You haven't uploaded any documents. Why not <a href="{{ wagtaildocs_add_document_url }}">upload one now</a>?{% endblocktrans %}</p>
         {% endif %}
+    {% endif %}
 {% endif %}

wagtail/wagtaildocs/views/documents.py

@@ -8,6 +8,7 @@ from wagtail.wagtailadmin.forms import SearchForm
 from wagtail.wagtailadmin.utils import PermissionPolicyChecker, permission_denied
 from wagtail.wagtailsearch.backends import get_search_backends
 from wagtail.wagtailadmin import messages
+from wagtail.wagtailcore.models import Collection
 
 from wagtail.wagtaildocs.models import get_document_model
 from wagtail.wagtaildocs.forms import get_document_form
@@ -34,6 +35,16 @@ def index(request):
         ordering = '-created_at'
     documents = documents.order_by(ordering)
 
+    # Filter by collection
+    current_collection = None
+    collection_id = request.GET.get('collection_id')
+    if collection_id:
+        try:
+            current_collection = Collection.objects.get(id=collection_id)
+            documents = documents.filter(collection=current_collection)
+        except (ValueError, Collection.DoesNotExist):
+            pass
+
     # Search
     query_string = None
     if 'q' in request.GET:
@@ -47,6 +58,12 @@ def index(request):
     # Pagination
     paginator, documents = paginate(request, documents)
 
+    collections = permission_policy.collections_user_has_any_permission_for(
+        request.user, ['add', 'change']
+    )
+    if len(collections) < 2:
+        collections = None
+
     # Create response
     if request.is_ajax():
         return render(request, 'wagtaildocs/documents/results.html', {
@@ -65,6 +82,8 @@ def index(request):
             'search_form': form,
             'popular_tags': Document.popular_tags(),
             'user_can_add': permission_policy.user_has_permission(request.user, 'add'),
+            'collections': collections,
+            'current_collection': current_collection,
         })