pro-111: started working on feed, create view and helpers

feed/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class FeedConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "feed"

feed/helpers.py

@@ -0,0 +1,19 @@
+from projects.models import Project
+
+
+def get_n_random_projects(num: int) -> list[Project]:
+    tries = 3
+    projects = set()
+
+    while len(projects) < num and tries > 0:
+        project = Project.objects.filter(draft=False).order_by("?").first()
+
+        if project not in projects:
+            projects.add(project)
+        else:
+            tries -= 1
+    return list(projects)
+
+
+def get_n_latest_created_projects(num: int) -> list[Project]:
+    return list(Project.objects.filter(draft=False).order_by("-datetime_created")[:num])

feed/serializers.py

@@ -0,0 +1,6 @@
+from rest_framework import serializers
+
+
+class FeedListSerializer(serializers.Serializer):
+    # todo: add type for feed news item
+    pass

feed/urls.py

@@ -0,0 +1,9 @@
+from django.urls import path
+
+from feed.views import FeedList
+
+app_name = "feed"
+
+urlpatterns = [
+    path("", FeedList.as_view()),
+]

feed/views.py

@@ -0,0 +1,39 @@
+from drf_yasg import openapi
+from drf_yasg.utils import swagger_auto_schema
+from rest_framework import status
+from rest_framework.request import Request
+from rest_framework.response import Response
+from rest_framework.views import APIView
+
+from feed.helpers import get_n_random_projects, get_n_latest_created_projects
+from projects.serializers import ProjectListSerializer
+
+
+class FeedList(APIView):
+    @swagger_auto_schema(
+        responses={
+            200: openapi.Response(
+                description="List of some news: new projects, vacancies, project, users and program news",
+                schema=openapi.Schema(
+                    type=openapi.TYPE_ARRAY,
+                    items=openapi.Schema(
+                        type=openapi.TYPE_OBJECT,
+                        description="Feed item",
+                    ),
+                ),
+            )
+        }
+    )
+    def get(self, request: Request, *args, **kwargs) -> Response:
+        return Response(status=status.HTTP_200_OK, data=collect_feed())
+
+
+def collect_feed() -> list:
+    n_random_projects = get_n_random_projects(3)
+    n_latest_created_projects = get_n_latest_created_projects(3)
+    serializer = ProjectListSerializer(
+        data=set(n_random_projects + n_latest_created_projects), many=True
+    )
+
+    serializer.is_valid()
+    return serializer.data

procollab/settings.py

@@ -93,13 +93,13 @@
     "events.apps.EventsConfig",
     "partner_programs.apps.PartnerProgramsConfig",
     "mailing.apps.MailingConfig",
+    "feed.apps.FeedConfig",
     # Rest framework
     "rest_framework",
     "rest_framework_simplejwt",
     "rest_framework_simplejwt.token_blacklist",
     "django_cleanup.apps.CleanupConfig",
     "django_rest_passwordreset",
-    # "rest_framework.authtoken",
     # Plugins
     "corsheaders",
     "django_filters",

procollab/urls.py

@@ -47,12 +47,12 @@
     path("chats/", include("chats.urls", namespace="chats")),
     path("events/", include("events.urls", namespace="events")),
     path("programs/", include("partner_programs.urls", namespace="partner_programs")),
+    path("feed/", include("feed.urls", namespace="feed")),
     path("api/token/", TokenObtainPairView.as_view(), name="token_obtain_pair"),
     path("api/token/refresh/", TokenRefreshView.as_view(), name="token_refresh"),
     path("api/token/verify/", TokenVerifyView.as_view(), name="token_verify"),
     path("", include("metrics.urls", namespace="metrics")),
     path("django_prometheus/", include("django_prometheus.urls")),
-    path("mailing_test/", include("mailing.urls")),  # todo Убрать
 ]
 
 if settings.DEBUG: