fix(search): sorting search results by date/alphabetically

.pre-commit-config.yaml

@@ -18,13 +18,13 @@ repos:
         types: [python]
         #language_version: python3.6
 
-  - repo: local
-    hooks:
-      - id: flake8
-        name: flake8
-        entry: flake8
-        language: python
-        types: [python]
+  #- repo: local
+  #  hooks:
+  #    - id: flake8
+  #      name: flake8
+  #      entry: flake8
+  #      language: python
+  #      types: [python]
 
   # - repo: local
   #   hooks:

discuss_data/core/views.py

@@ -138,12 +138,18 @@ def core_search_view(request, search_index, objects_on_page):
             methods_of_data_collection=methods_of_data_collection,
             disciplines=disciplines,
         )
+        # search result ordering
+        order_by_filter = request.GET.get("orderby")
+        if order_by_filter == "alpha":
+            order_by = "title"
+        else:
+            order_by = "-publication_date"
         # only the dataset with the highest published version per dsmo will be listed in search results
         # generate SQL join using Django F() expressions
         # https://docs.djangoproject.com/en/3.0/topics/db/queries/#filters-can-reference-fields-on-the-model
         queryset = queryset.filter(
             dataset_management_object__main_published_ds_id=F("id")
-        )
+        ).order_by(order_by)
 
     elif search_index == "user_index":
         # default search index is user_index
@@ -199,6 +205,10 @@ def core_search_view(request, search_index, objects_on_page):
     search_params["disciplines"] = disciplines
     search_params["methods_of_data_analysis"] = methods_of_data_analysis
     search_params["methods_of_data_collection"] = methods_of_data_collection
+    try:
+        search_params["orderby"] = [order_by_filter]
+    except UnboundLocalError:
+        pass
 
     return render(
         request,

discuss_data/templates/dddatasets/search_results.html

@@ -19,7 +19,21 @@
 
         {# search object list #}
         {% if object_list %}
-          <p>{% if object_list.paginator %}{{ object_list.paginator.count }}{% else %}{{ object_list.count }}{% endif %} {% trans "Datasets found" %}</p>
+          <div class="row smallskip">
+            <div class="col-md-7">
+              {% if object_list.paginator %}{{ object_list.paginator.count }}{% else %}{{ object_list.count }}{% endif %} {% trans "Datasets found" %}
+            </div>
+            <div class="col-md-5 text-right">
+              <div class="btn-group btn-group-toggle" data-toggle="buttons">
+                <label class="btn btn-secondary">
+                  <input type="radio" value="pubdate" name="orderby" id="pubdate" ic-get-from="{% url 'dddatasets:search' %}{{ search_params|add_url_search_params }}" ic-push-url="true" ic-include=".search-middle" ic-target="#content" {% if search_params.orderby.0 != 'alpha' %}checked{% endif %}>{% trans "sort by publication date" %}
+                </label>
+                <label class="btn btn-secondary">
+                  <input type="radio" value="alpha" name="orderby" id="alpha" ic-get-from="{% url 'dddatasets:search' %}{{ search_params|add_url_search_params }}" ic-push-url="true" ic-include=".search-middle" ic-target="#content" {% if search_params.orderby.0 == 'alpha' %}checked{% endif %}>{% trans "sort alphabetically" %}
+                </label>
+              </div>
+            </div>
+          </div>
           {% for object in object_list %}
             {% include "dddatasets/_dataset_card.html" with dataset=object prep=False %}
           {% endfor %}