add: add like model, api, admin

core/apps/accounts/admin/__init__.py

@@ -0,0 +1,2 @@
+from .user import *
+from .like import *

core/apps/accounts/admin/like.py

@@ -0,0 +1,8 @@
+from django.contrib import admin 
+
+from core.apps.accounts.models import Like
+
+
+@admin.register(Like)
+class LikeAdmin(admin.ModelAdmin):
+    list_display = ['id', 'user', 'product']

core/apps/accounts/admin/user.py

@@ -0,0 +1,9 @@
+from django.contrib import admin 
+from django.contrib.auth.admin import UserAdmin as DjangoUserAdmin
+
+from core.apps.accounts.models import User
+
+
+@admin.register(User)
+class UserAdmin(DjangoUserAdmin):
+    pass

core/apps/accounts/apps.py

@@ -4,3 +4,6 @@ from django.apps import AppConfig
 class AccountsConfig(AppConfig):
     default_auto_field = 'django.db.models.BigAutoField'
     name = 'core.apps.accounts'
+
+    def ready(self):
+        from . import admin

core/apps/accounts/migrations/0003_like.py

@@ -0,0 +1,31 @@
+# Generated by Django 5.2 on 2025-08-28 17:23
+
+import django.db.models.deletion
+import uuid
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0002_alter_user_created_at'),
+        ('products', '0002_category_name_ru_category_name_uz_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Like',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='likes', to='products.product')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='likes', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'verbose_name': 'likelar',
+                'verbose_name_plural': 'likelar',
+                'unique_together': {('user', 'product')},
+            },
+        ),
+    ]

core/apps/accounts/models/__init__.py

@@ -1 +1,2 @@
-from .user import *
+from .user import *
+from .like import *

core/apps/accounts/models/like.py

@@ -0,0 +1,15 @@
+from django.db import models
+
+from core.apps.shared.models import BaseModel
+from core.apps.accounts.models import User
+from core.apps.products.models import Product
+
+
+class Like(BaseModel):
+    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='likes')
+    product = models.ForeignKey(Product, on_delete=models.CASCADE, related_name='likes')
+
+    class Meta:
+        verbose_name = 'likelar'
+        verbose_name_plural = 'likelar'
+        unique_together = ['user', 'product']

core/apps/accounts/urls.py

@@ -1,8 +1,11 @@
 from django.urls import path, include
 
 from rest_framework_simplejwt.views import TokenObtainPairView
+from core.apps.accounts.views import like as like_views
 
 
 urlpatterns = [
     path('login/', TokenObtainPairView.as_view()),    
+    path('<uuid:product_id>/like/', like_views.LikeApiView.as_view()),
+    path('liked_products/', like_views.LikeProductListApiView.as_view()),
 ]

core/apps/accounts/views/like.py

@@ -0,0 +1,34 @@
+from django.shortcuts import get_object_or_404
+
+from rest_framework import views, permissions, generics
+from rest_framework.response import Response
+
+from core.apps.accounts.models import Like
+from core.apps.products.models import Product
+from core.apps.products.serializers.product import ProductListSerializer
+
+
+class LikeApiView(views.APIView):
+    permission_classes = [permissions.IsAuthenticated]
+
+    def get(self, request, product_id):
+        product = get_object_or_404(Product, id=product_id)
+        like, created = Like.objects.get_or_create(product=product, user=request.user)
+        if created:
+            return Response({'success': True, 'message': "Liked"}, status=200)
+        like.delete()
+        return Response({'success': False, 'message': "Unliked"}, status=200)
+
+
+class LikeProductListApiView(generics.GenericAPIView):
+    serializer_class = ProductListSerializer
+    permission_classes = [permissions.IsAuthenticated]
+
+    def get(self, request):
+        products = Product.objects.filter(likes__user=request.user)
+        page = self.paginate_queryset(products)
+        if page is not None:
+            serializer = self.serializer_class(page, many=True, context={'user': request.user})
+            return self.get_paginated_response(serializer.data)
+        serializer = self.serializer_class(products, many=True, context={'user': request.user})
+        return Response(serializer.data, status=200)

core/apps/products/serializers/product.py

@@ -1,11 +1,17 @@
 from rest_framework import serializers
 
 from core.apps.products.models import Product
+from core.apps.accounts.models import Like
 
 
 class ProductListSerializer(serializers.ModelSerializer):
+    liked = serializers.SerializerMethodField(method_name='get_liked')
+
     class Meta:
         model = Product
         fields = [
-            'id', 'name', 'image', 'price', 'description',
-        ]
+            'id', 'name', 'image', 'price', 'description', 'liked'
+        ]
+
+    def get_liked(self, obj):
+        return Like.objects.filter(user=self.context.get('user'), product=obj).exists()

core/apps/products/views/product.py

@@ -4,11 +4,11 @@ from rest_framework import generics
 from rest_framework.response import Response
 
 from core.apps.products.models import Product, Category
-from core.apps.products.serializers import category as serializers
+from core.apps.products.serializers import product as serializers
 
 
 class ProductListApiView(generics.GenericAPIView):
-    serializer_class = serializers.CategoryListSerializer
+    serializer_class = serializers.ProductListSerializer
     queryset = Product.objects.all()
     permission_classes = []
 
@@ -17,7 +17,7 @@ class ProductListApiView(generics.GenericAPIView):
         products = Product.objects.filter(category=category)
         page = self.paginate_queryset(products)
         if page is not None:
-            serializer = self.serializer_class(page, many=True)
+            serializer = self.serializer_class(page, many=True, context={'user': request.user})
             return self.get_paginated_response(serializer.data)
-        serializer = self.serializer_class(products, many=True)
+        serializer = self.serializer_class(products, many=True, context={'user': request.user})
         return Response(serializer.data, status=200)