From a19ae8df0f5d1c991e93fa2d486a17274247fc86 Mon Sep 17 00:00:00 2001
From: Ridwan Olawumi <olarid7852@gmail.com>
Date: Mon, 9 Dec 2024 22:47:16 +0100
Subject: [PATCH] Created API to fetch latest posts

---
 apps/obstracts_api/urls.py  | 20 +++++++++++++++++++-
 apps/obstracts_api/utils.py | 33 +++++++++++++++++++++++++++++++--
 apps/obstracts_api/views.py | 23 ++++++++++++++++++++++-
 3 files changed, 72 insertions(+), 4 deletions(-)

diff --git a/apps/obstracts_api/urls.py b/apps/obstracts_api/urls.py
index 181ac00..a6a6fa3 100644
--- a/apps/obstracts_api/urls.py
+++ b/apps/obstracts_api/urls.py
@@ -3,7 +3,17 @@
 from drf_spectacular.views import SpectacularSwaggerView
 
 from .schema import SchemaView
-from .views import ProxyView, FeedViewSet, FeedProxyView, TeamFeedProxyView, TeamFeedViewSet, OpenFeedProxyView, TeamTokenFeedViewSet, PostsByExtractionView
+from .views import (
+    ProxyView,
+    FeedViewSet,
+    FeedProxyView,
+    TeamFeedProxyView,
+    TeamFeedViewSet,
+    OpenFeedProxyView,
+    TeamTokenFeedViewSet,
+    PostsByExtractionView,
+    LatestPostView,
+)
 
 
 router = routers.DefaultRouter()
@@ -41,4 +51,12 @@
         "teams/<uuid:team_id>/objects/<str:object_id>/",
         PostsByExtractionView.as_view(),
     ),
+    path(
+        "posts/",
+        LatestPostView.as_view(),
+    ),
+    path(
+        "teams/<uuid:team_id>/posts/",
+        LatestPostView.as_view(),
+    ),
 ]
diff --git a/apps/obstracts_api/utils.py b/apps/obstracts_api/utils.py
index 07a191e..de0f4f7 100644
--- a/apps/obstracts_api/utils.py
+++ b/apps/obstracts_api/utils.py
@@ -12,6 +12,7 @@ def get_obstracts_job(feed_id, job_id):
     response.raise_for_status()
     return response.json()
 
+
 def create_obstracts_feed(
     profile_id,
     url,
@@ -32,7 +33,7 @@ def create_obstracts_feed(
         OBSTRACT_SERVICE_API + "/feeds/",
         json=data,
     )
-    if(response.status_code == 400):
+    if (response.status_code == 400):
         raise ValidationError(response.json())
     response.raise_for_status()
     return response.json()
@@ -54,7 +55,7 @@ def create_obstracts_skeleton_feed(
         OBSTRACT_SERVICE_API + "/feeds/skeleton/",
         json=data,
     )
-    if(response.status_code == 400):
+    if (response.status_code == 400):
         raise ValidationError(response.json())
     response.raise_for_status()
     return response.json()
@@ -63,11 +64,13 @@ def create_obstracts_skeleton_feed(
 def delete_obstracts_feed(feed_id):
     return requests.delete(f"{OBSTRACT_SERVICE_API}/feeds/{feed_id}/")
 
+
 def get_obstracts_feed(feed_id):
     url = f"{OBSTRACT_SERVICE_API}/feeds/{feed_id}/"
     print(url)
     return requests.get(url).json()
 
+
 def init_reload_feed(profile_id, feed_id):
     data = {
         "profile_id": str(profile_id),
@@ -80,6 +83,7 @@ def init_reload_feed(profile_id, feed_id):
     response.raise_for_status()
     return response.json()
 
+
 def get_post_for_report_object(object):
     external_references = object['external_references']
     obstracts_feed = next(filter(lambda external_reference: external_reference['source_name'] == 'obstracts_feed_id', external_references), None)
@@ -112,3 +116,28 @@ def get_posts_by_extractions(object_id, page):
         feed_id_dict[feed_id] = True
         posts.append(post)
     return posts, feed_id_dict.keys(), response.json()
+
+
+def get_latest_posts(feed_ids, sort, title, page):
+    if feed_ids == []:
+        return {
+            "page_size": 10,
+            "page_number": 1,
+            "page_results_count": 0,
+            "total_results_count": 0,
+            "posts": [],
+        }
+    
+    response = requests.get(
+        OBSTRACT_SERVICE_API + f"/posts/",
+        params={
+            "feed_id": feed_ids,
+            "page": page,
+            "page_size": 10,
+            "title": title,
+            "sort": sort,
+        }
+    )
+    response.raise_for_status()
+    response_data = response.json()
+    return response_data
diff --git a/apps/obstracts_api/views.py b/apps/obstracts_api/views.py
index 40f39cc..48d29e7 100644
--- a/apps/obstracts_api/views.py
+++ b/apps/obstracts_api/views.py
@@ -40,7 +40,7 @@
     FeedWithSubscriptionSerializer,
     SubscribeFeedSerializer,
 )
-from .utils import delete_obstracts_feed, get_posts_by_extractions
+from .utils import delete_obstracts_feed, get_posts_by_extractions, get_latest_posts
 
 
 class ProxyView(APIView):
@@ -296,6 +296,27 @@ def unsubscribe(self, *args, **kwargs):
     #     return Response(serializer.data)
 
 
+class LatestPostView(ListAPIView):
+    permission_classes = [IsAuthenticated]
+    
+    def list(self, *args, **kwargs):
+        team_id = kwargs.get("team_id")
+        page = self.request.query_params.get("page")
+        title = self.request.query_params.get("title")
+        sort = self.request.query_params.get("sort", "pubdate_descending")
+        feeds = []
+        feed_ids = None
+        if team_id:
+            feeds = FeedSubsription.objects.filter(team_id=team_id)
+            feed_ids = [feed.feed_id for feed in feeds]
+        else:
+            if not self.request.user.is_staff:
+                raise PermissionDenied()
+        
+        response = get_latest_posts(feed_ids, sort, title, page)
+        return Response(response)
+
+
 class PostsByExtractionView(ListAPIView):
     permission_classes = [IsAuthenticated]