게시물 좋아요 API 작성

config/urls.py

@@ -1,7 +1,7 @@
 from rest_framework import permissions
 
 from django.contrib import admin
-from django.urls import path
+from django.urls import path, include
 from django.conf import settings
 from django.conf.urls.static import static
 
@@ -24,6 +24,8 @@
     path("admin/", admin.site.urls),
     # Swagger
     path("swagger/docs/", schema_view.with_ui("swagger", cache_timeout=0), name="schema-swagger-ui"),
+    # Likes
+    path("api/likes/", include("likes.urls")),
 ]
 
 urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

likes/serializers.py

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

likes/tests.py

@@ -1 +1,49 @@
-# Create your tests here.
+from django.urls import reverse
+from rest_framework.test import APIClient, APITestCase
+
+from posts.models import Post
+from users.models import User
+
+
+class LikeAPITestCase(APITestCase):
+    client = APIClient(enforce_csrf_checks=True)
+    viewname = "likes"
+
+    def setUp(self):
+        self.user = User.objects.create(email="user")
+
+        self.post = Post.objects.create(title="title", post_type="facebook", content="content")
+
+    def test_post_without_auth(self):
+        """logout and post like"""
+
+        self.client.logout()
+
+        response = self.client.post(
+            path=reverse(
+                viewname=self.viewname,
+                kwargs={
+                    "content_id": self.post.content_id,
+                },
+            ),
+        )
+
+        self.assertEqual(response.status_code, 401)
+
+    def test_post_with_auth(self):
+        """login and post like"""
+
+        # self.client.force_login(self.user)
+        self.client.force_authenticate(user=self.user)
+
+        response = self.client.post(
+            path=reverse(
+                viewname=self.viewname,
+                kwargs={
+                    "content_id": self.post.content_id,
+                },
+            ),
+        )
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(self.post.like_count, Post.objects.first().like_count - 1)

likes/urls.py

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

likes/views.py

@@ -1 +1,35 @@
-# 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.permissions import IsAuthenticatedOrReadOnly
+from rest_framework.response import Response
+from rest_framework.status import HTTP_200_OK, HTTP_401_UNAUTHORIZED
+from rest_framework.views import APIView
+
+from likes.serializers import PostLikeIncrementSerializer
+from posts.models import Post
+
+
+class LikesAPIView(APIView):
+    permission_classes = [IsAuthenticatedOrReadOnly]
+
+    @swagger_auto_schema(
+        operation_summary="게시물에 좋아요",
+        responses={
+            HTTP_200_OK: openapi.Response(description="ok"),
+            HTTP_401_UNAUTHORIZED: openapi.Response(description="unauthorized"),
+        },
+    )
+    def post(self, request, content_id):
+        post = get_object_or_404(Post, content_id=content_id)
+
+        serializer = PostLikeIncrementSerializer(
+            post,
+            data={"like_count": post.like_count + 1},
+            partial=True,
+        )
+
+        serializer.is_valid(raise_exception=True)
+        serializer.save()
+
+        return Response(status=200)

posts/migrations/0002_post_content_id.py

@@ -0,0 +1,19 @@
+# Generated by Django 4.2.6 on 2023-10-26 11:12
+
+from django.db import migrations, models
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('posts', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='post',
+            name='content_id',
+            field=models.UUIDField(default=uuid.uuid4, editable=False),
+        ),
+    ]

posts/models.py

@@ -1,3 +1,5 @@
+import uuid
+
 from django.db import models
 
 from users.models import User
@@ -10,6 +12,7 @@ class PostType(models.TextChoices):
         INSTAGRAM = "instagram"
         THREADS = "threads"
 
+    content_id = models.UUIDField(default=uuid.uuid4, editable=False)
     post_type = models.CharField(max_length=16, choices=PostType.choices)
     title = models.CharField(max_length=32)
     content = models.TextField()