게시물 공유(API)

config/urls.py

@@ -26,10 +26,14 @@
     path("api/users/", include("users.urls")),
     path("api/posts/", include("posts.urls")),
     path("api/common/", include("common.urls")),
-    # Swagger
-    path("swagger/docs/", schema_view.with_ui("swagger", cache_timeout=0), name="schema-swagger-ui"),
-    # Likes
     path("api/likes/", include("likes.urls")),
+    path("api/shares/", include("shares.urls")),
+    # Swagger
+    path(
+        "swagger/docs/",
+        schema_view.with_ui("swagger", cache_timeout=0),
+        name="schema-swagger-ui",
+    ),
 ]
 
 urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

shares/serializers.py

@@ -0,0 +1,9 @@
+from rest_framework.serializers import ModelSerializer
+
+from posts.models import Post
+
+
+class PostShareCountIncrementSerializer(ModelSerializer):
+    class Meta:
+        model = Post
+        fields = ("share_count",)

shares/tests/test_shares_api.py

@@ -0,0 +1,55 @@
+from django.contrib.auth import get_user_model
+from django.urls import reverse
+from rest_framework import status
+from rest_framework.test import APITestCase
+
+from posts.models import Post
+
+
+class SharesAPITestCase(APITestCase):
+    """
+    /shares/<content_id>/ post 에 대한 테스트 케이스
+    """
+
+    viewname = "shares"
+
+    def test_post_failure_no_api(self):
+        """
+        해당 view가 없으면 NoReverseMatch 예외가 수반됩니다.
+        """
+        reverse(self.viewname, kwargs={"content_id": None})
+
+    def test_post_without_auth(self):
+        """
+        인증되지 않은 사용자가 shares에 post 요청을 전달하고,
+        401(unauth) 응답을 얻습니다.
+        """
+
+        post = Post.objects.create(title="title")
+        self.client.logout()
+        response = self.client.post(
+            path=reverse(self.viewname, kwargs={"content_id": post.content_id}),
+            data=None,
+        )
+
+        self.assertEqual(response.status_code, status.HTTP_401_UNAUTHORIZED)  # status 401
+
+    def test_post_with_auth(self):
+        """
+        인증된 사용자가 shares에 post 요청을 전달하고,
+        200(Ok) 응답을 얻으며 share_count가 증가합니다.
+        """
+
+        post = Post.objects.create(title="title")
+
+        user = get_user_model().objects.create(username="username")
+        self.client.force_authenticate(user=user)
+
+        response = self.client.post(
+            path=reverse(self.viewname, kwargs={"content_id": post.content_id}),
+            data=None,
+        )
+        self.assertEqual(response.status_code, status.HTTP_200_OK)  # status 200
+
+        post_after_response = Post.objects.get(content_id=post.content_id)
+        self.assertEqual(post.share_count + 1, post_after_response.share_count)  # share_count diff 1

shares/urls.py

@@ -0,0 +1,7 @@
+from django.urls import path
+
+from shares.views import SharesAPIView
+
+urlpatterns = [
+    path("<str:content_id>/", SharesAPIView.as_view(), name="shares"),
+]

shares/views.py

@@ -1 +1,42 @@
-# Create your views here.
+from django.shortcuts import get_object_or_404
+from drf_yasg import openapi
+from drf_yasg.utils import swagger_auto_schema
+from rest_framework import status
+from rest_framework.permissions import IsAuthenticatedOrReadOnly
+from rest_framework.response import Response
+from rest_framework.views import APIView
+
+from posts.models import Post
+from shares.serializers import PostShareCountIncrementSerializer
+
+
+class SharesAPIView(APIView):
+    permission_classes = [IsAuthenticatedOrReadOnly]
+
+    @swagger_auto_schema(
+        operation_summary="게시물 좋아요",
+        responses={
+            status.HTTP_200_OK: openapi.Response(description="ok"),
+            status.HTTP_401_UNAUTHORIZED: openapi.Response(description="unauthorized"),
+        },
+    )
+    def post(self, request, content_id):
+        """
+        게시물(content_id)에 대해 공유 요청을 합니다.
+        """
+
+        post = get_object_or_404(Post, content_id=content_id)
+
+        # TODO : how to increment share_count using serializer not passing data.
+        serializer = PostShareCountIncrementSerializer(
+            instance=post,
+            data={
+                "share_count": post.share_count + 1,
+            },
+            partial=True,
+        )
+
+        serializer.is_valid(raise_exception=True)
+        serializer.save()
+
+        return Response(status=status.HTTP_200_OK)