From e689cbfbaa8e304afbdb549a09857dfd1cb9f091 Mon Sep 17 00:00:00 2001
From: GerardPaligot <gerard.paligot@gmail.com>
Date: Thu, 26 Nov 2015 23:48:49 +0100
Subject: [PATCH] feat(api): Order private post by position, pubdate and
 update.

---
 zds/mp/api/tests.py | 43 +++++++++++++++++++++++++++++++++++++++++++
 zds/mp/api/views.py |  6 ++++++
 2 files changed, 49 insertions(+)

diff --git a/zds/mp/api/tests.py b/zds/mp/api/tests.py
index 5646e9e3c8..2e65a93bbd 100644
--- a/zds/mp/api/tests.py
+++ b/zds/mp/api/tests.py
@@ -748,6 +748,49 @@ def test_list_of_private_posts_with_x_data_format_markdown(self):
         self.assertIsNotNone(response.data.get('results')[0].get('text'))
         self.assertIsNone(response.data.get('results')[0].get('text_html'))
 
+    def test_ordering_list_of_private_posts_by_position_in_topic(self):
+        """
+        Gets list of private posts ordered by position_in_topic.
+        """
+        private_topic = PrivateTopicFactory(author=self.profile.user)
+        self.create_multiple_private_posts_for_member(self.profile.user, private_topic,
+                                                      settings.REST_FRAMEWORK['PAGINATE_BY'])
+
+        response = self.client.get(reverse('api-mp-message-list', args=[private_topic.id]) +
+                                   '?ordering=position_in_topic')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(response.data.get('count'), settings.REST_FRAMEWORK['PAGINATE_BY'])
+        self.assertIsNone(response.data.get('next'))
+        self.assertIsNone(response.data.get('previous'))
+
+    def test_ordering_list_of_private_posts_by_pubdate(self):
+        """
+        Gets list of private posts ordered by pubdate.
+        """
+        private_topic = PrivateTopicFactory(author=self.profile.user)
+        self.create_multiple_private_posts_for_member(self.profile.user, private_topic,
+                                                      settings.REST_FRAMEWORK['PAGINATE_BY'])
+
+        response = self.client.get(reverse('api-mp-message-list', args=[private_topic.id]) + '?ordering=pubdate')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(response.data.get('count'), settings.REST_FRAMEWORK['PAGINATE_BY'])
+        self.assertIsNone(response.data.get('next'))
+        self.assertIsNone(response.data.get('previous'))
+
+    def test_ordering_list_of_private_posts_by_update(self):
+        """
+        Gets list of private posts ordered by update.
+        """
+        private_topic = PrivateTopicFactory(author=self.profile.user)
+        self.create_multiple_private_posts_for_member(self.profile.user, private_topic,
+                                                      settings.REST_FRAMEWORK['PAGINATE_BY'])
+
+        response = self.client.get(reverse('api-mp-message-list', args=[private_topic.id]) + '?ordering=update')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(response.data.get('count'), settings.REST_FRAMEWORK['PAGINATE_BY'])
+        self.assertIsNone(response.data.get('next'))
+        self.assertIsNone(response.data.get('previous'))
+
     def create_multiple_private_posts_for_member(self, user, private_topic,
                                                  number_of_users=settings.REST_FRAMEWORK['PAGINATE_BY']):
         list = []
diff --git a/zds/mp/api/views.py b/zds/mp/api/views.py
index 683381d4ba..43cf860c01 100644
--- a/zds/mp/api/views.py
+++ b/zds/mp/api/views.py
@@ -41,6 +41,7 @@ class DetailKeyConstructor(DefaultKeyConstructor):
 
 class PagingPrivatePostListKeyConstructor(DefaultKeyConstructor):
     pagination = DJRF3xPaginationKeyBit()
+    search = bits.QueryParamsKeyBit(['ordering'])
     list_sql_query = bits.ListSqlQueryKeyBit()
     unique_view_id = bits.UniqueViewIdKeyBit()
 
@@ -279,6 +280,8 @@ class PrivatePostListAPI(MarkPrivateTopicAsRead, ListCreateAPIView):
     """
 
     permission_classes = (IsAuthenticated, IsParticipantFromPrivatePost)
+    filter_backends = (filters.OrderingFilter,)
+    ordering_fields = ('position_in_topic', 'pubdate', 'update')
     list_key_func = PagingPrivatePostListKeyConstructor()
 
     def dispatch(self, request, *args, **kwargs):
@@ -308,6 +311,9 @@ def get(self, request, *args, **kwargs):
               description: Sets size of the pagination.
               required: false
               paramType: query
+            - name: ordering
+              description: Applies an order at the list. You can order by (-)position_in_topic, (-)pubdate or (-)update.
+              paramType: query
             - name: expand
               description: Expand a field with an identifier.
               required: false