리뷰 좋아요 기능 생성

customk/classes/urls.py

@@ -4,5 +4,4 @@
 
 urlpatterns = [
     path("", ClassListView.as_view(), name="class-list"),
-
 ]

customk/common/admin.py

@@ -1,3 +1 @@
-from django.contrib import admin
-
-# Register your models here.
+from django.contrib import admin

customk/config/settings.py

@@ -39,7 +39,7 @@
     "django.contrib.staticfiles",
 ]
 
-CUSTOM_USER_APPS = ["users", "common", "classes", "questions", "reviews"]
+CUSTOM_USER_APPS = ["users", "common", "classes", "questions", "reviews", "reactions"]
 
 THIRD_PARTY_APPS = ["rest_framework", "channels", "corsheaders"]
 

customk/reactions/admin.py

@@ -0,0 +1,13 @@
+from django.contrib import admin
+from .models import Reaction
+
+
+@admin.register(Reaction)
+class ReactionModel(admin.ModelAdmin):
+    list_display = ('id', 'review', 'reaction', 'get_review_reactions')
+
+    def get_review_reactions(self, obj):
+        reactions = Reaction.get_review_reactions(obj.review)
+        return f"Likes: {reactions['likes_count']}, Dislikes: {reactions['dislikes_count']}"
+
+    get_review_reactions.short_description = 'Review Reactions'

customk/reactions/apps.py

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

customk/reactions/migrations/0001_initial.py

@@ -0,0 +1,32 @@
+# Generated by Django 5.1 on 2024-08-20 07:59
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('reviews', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Reaction',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('reaction', models.IntegerField(choices=[(1, 'Like'), (-1, 'Dislike'), (0, 'No Reaction')], default=0)),
+                ('review', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='reviews.review')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]

customk/reactions/models.py

@@ -0,0 +1,24 @@
+from django.db import models
+from common.models import CommonModel
+from django.db.models import Count, Q
+
+
+class Reaction(CommonModel):
+    user = models.ForeignKey("users.User", on_delete=models.CASCADE)
+    review = models.ForeignKey("reviews.Review", on_delete=models.CASCADE)
+
+    LIKE = 1
+    DISLIKE = -1
+    NO_REACTION = 0
+
+    REACTON_CHOICES = ((LIKE, "Like"), (DISLIKE, "Dislike"), (NO_REACTION, "No Reaction"))
+
+    reaction = models.IntegerField(choices=REACTON_CHOICES, default=NO_REACTION)
+
+    @staticmethod
+    def get_review_reactions(review):
+        reactions = Reaction.objects.filter(review=review).aggregate(
+            likes_count=Count("pk", filter=Q(reaction=Reaction.LIKE)),
+            dislikes_count=Count("pk", filter=Q(reaction=Reaction.DISLIKE)),
+        )
+        return reactions

customk/reactions/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

customk/reactions/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.

customk/reviews/migrations/0001_initial.py

@@ -8,31 +8,67 @@
 
 
 class Migration(migrations.Migration):
-
     initial = True
 
     dependencies = [
-        ('classes', '0003_classdate_person'),
+        ("classes", "0003_classdate_person"),
         migrations.swappable_dependency(settings.AUTH_USER_MODEL),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='Review',
+            name="Review",
             fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('review', models.TextField()),
-                ('rating', models.DecimalField(decimal_places=1, max_digits=2, validators=[django.core.validators.MinValueValidator(Decimal('0.5')), django.core.validators.MaxValueValidator(Decimal('5.0'))])),
-                ('course', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='classes.class')),
-                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+                    ),
+                ),
+                ("review", models.TextField()),
+                (
+                    "rating",
+                    models.DecimalField(
+                        decimal_places=1,
+                        max_digits=2,
+                        validators=[
+                            django.core.validators.MinValueValidator(Decimal("0.5")),
+                            django.core.validators.MaxValueValidator(Decimal("5.0")),
+                        ],
+                    ),
+                ),
+                (
+                    "course",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE, to="classes.class"
+                    ),
+                ),
+                (
+                    "user",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL
+                    ),
+                ),
             ],
         ),
         migrations.CreateModel(
-            name='ReviewImage',
+            name="ReviewImage",
             fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('image_url', models.URLField(blank=True, null=True)),
-                ('review', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='images', to='reviews.review')),
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+                    ),
+                ),
+                ("image_url", models.URLField(blank=True, null=True)),
+                (
+                    "review",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="images",
+                        to="reviews.review",
+                    ),
+                ),
             ],
         ),
     ]

customk/reviews/serializers.py

@@ -5,18 +5,18 @@
 class ReviewImageSerializer(serializers.ModelSerializer):
     class Meta:
         model = ReviewImage
-        fields = ['id', 'image_url']
+        fields = ["id", "image_url"]
 
 
 class ReviewSerializer(serializers.ModelSerializer):
     images = ReviewImageSerializer(many=True, required=False)
 
     class Meta:
         model = Review
-        fields = ['id', 'review', 'rating', 'images']
+        fields = ["id", "review", "rating", "images"]
 
     def create(self, validated_data):
-        images_data = validated_data.pop('images', [])
+        images_data = validated_data.pop("images", [])
         review = Review.objects.create(**validated_data)
 
         for image_data in images_data:

customk/reviews/urls.py

@@ -2,6 +2,10 @@
 from .views import ReviewListView
 
 urlpatterns = [
-    path('/<int:class_id>/', ReviewListView.as_view(), name='review-list-create'),
-    path('/<int:class_id>/delete/<int:review_id>/', ReviewListView.as_view(), name='review-list-delete')
+    path("/<int:class_id>/", ReviewListView.as_view(), name="review-list-create"),
+    path(
+        "/<int:class_id>/delete/<int:review_id>/",
+        ReviewListView.as_view(),
+        name="review-list-delete",
+    ),
 ]

customk/reviews/views.py

@@ -12,11 +12,11 @@ def get(self, request, class_id, *args, **kwargs):
         try:
             course = Class.objects.get(id=class_id)
         except Class.DoesNotExist:
-            return Response({'class_id': 'Invalid class ID.'}, status=400)
+            return Response({"class_id": "Invalid class ID."}, status=400)
 
         reviews = Review.objects.filter(course=course)
         if not reviews.exists():
-            return Response({'message': 'No reviews found for this class.'}, status=404)
+            return Response({"message": "No reviews found for this class."}, status=404)
 
         serializer = ReviewSerializer(reviews, many=True)
 
@@ -26,45 +26,39 @@ def post(self, request, class_id, *args, **kwargs):
         try:
             course = Class.objects.get(id=class_id)
         except Class.DoesNotExist:
-            return Response({'class_id': 'Invalid class ID.'}, status=400)
+            return Response({"class_id": "Invalid class ID."}, status=400)
 
         data = request.data.copy()
-        data['course'] = course.id
+        data["course"] = course.id
 
         serializer = ReviewSerializer(data=request.data)
         if serializer.is_valid():
             serializer.save(user=request.user, course=course)
-            return Response({
-                'message': 'Review successfully created.',
-                'review': serializer.data
-            }, status=201)
+            return Response(
+                {"message": "Review successfully created.", "review": serializer.data}, status=201
+            )
 
         return Response(serializer.errors, status=400)
 
     def patch(self, request, class_id, *args, **kwargs):
-        review_id = request.data.get('id')
+        review_id = request.data.get("id")
 
         if not review_id:
-            return Response({'error': 'Review ID is required for update.'}, status=400)
+            return Response({"error": "Review ID is required for update."}, status=400)
 
         review = get_object_or_404(Review, id=review_id, course_id=class_id)
 
         serializer = ReviewSerializer(review, data=request.data, partial=True)
         if serializer.is_valid():
             serializer.save()
-            return Response({
-                'message': 'Review successfully updated.',
-                'review': serializer.data
-            }, status=200)
+            return Response(
+                {"message": "Review successfully updated.", "review": serializer.data}, status=200
+            )
 
         return Response(serializer.errors, status=400)
 
     def delete(self, request, class_id, review_id, *args, **kwargs):
         review = get_object_or_404(Review, id=review_id, course_id=class_id)
         review.delete()
 
-        return Response({'message': 'Review successfully deleted.'}, status=204)
-
-
-
-
+        return Response({"message": "Review successfully deleted."}, status=204)