Remove ProductStorage model in market app and add PostCreateSerializer

market/admin.py

@@ -1,11 +1,10 @@
 from django.contrib import admin
 
-from .models import Brand, Product, ProductStorage, Post, Image
+from .models import Brand, Product, Post, Image
 
 
 admin.site.register(Brand)
 admin.site.register(Product)
-admin.site.register(ProductStorage)
 admin.site.register(Image)
 
 
@@ -13,7 +12,6 @@ admin.site.register(Image)
 class PostAdmin(admin.ModelAdmin):
     list_display = (
         "product",
-        "storage",
         "price",
         "text",
         "author",

market/models.py

@@ -10,21 +10,11 @@ class Brand(models.Model):
         return self.name
 
 
-class ProductStorage(models.Model):
-    storage = models.CharField(max_length=20)
-
-    def __str__(self):
-        return self.storage
-
-
 class Product(models.Model):
     name = models.CharField(max_length=50)
     brand = models.ForeignKey(
         Brand, on_delete=models.CASCADE, related_name="products"
     )
-    storage = models.ManyToManyField(
-        "ProductStorage", blank=True, related_name="products"
-    )
     release_date = models.DateField(blank=True, null=True)
 
     class Meta:
@@ -43,7 +33,6 @@ class Post(models.Model):
     product = models.ForeignKey(
         Product, on_delete=models.CASCADE, related_name="posts"
     )
-    storage = models.ForeignKey(ProductStorage, on_delete=models.CASCADE)
     price = models.IntegerField()
     text = models.TextField()
     author = models.ForeignKey(User, on_delete=models.SET_NULL, null=True)

market/serializers.py

@@ -10,11 +10,9 @@ from market.models import (
 
 
 class ProductSerializer(ModelSerializer):
-    storage = serializers.StringRelatedField(many=True)
-
     class Meta:
         model = Product
-        fields = ("id", "name", "brand", "storage")
+        fields = ("id", "name", "brand")
         depth = 1
 
 
@@ -48,14 +46,12 @@ class PostListSerializer(ModelSerializer):
     product = ProductListSerializer(read_only=True)
     nickname = serializers.CharField(source="author.nickname")
     image = serializers.SerializerMethodField()
-    storage = serializers.CharField(source="storage.storage")
 
     class Meta:
         model = Post
         fields = (
             "id",
             "product",
-            "storage",
             "price",
             "text",
             "nickname",
@@ -71,18 +67,26 @@ class PostListSerializer(ModelSerializer):
         ).data["image"]
 
 
+class PostCreateSerializer(ModelSerializer):
+    class Meta:
+        model = Post
+        fields = (
+            "product",
+            "price",
+            "text",
+        )
+
+
 class PostSerializer(ModelSerializer):
     product = ProductListSerializer(read_only=True)
     nickname = serializers.CharField(source="author.nickname")
     images = ImageSerializer(many=True, read_only=True)
-    storage = serializers.CharField(source="storage.storage")
 
     class Meta:
         model = Post
         fields = (
             "id",
             "product",
-            "storage",
             "price",
             "text",
             "nickname",

market/viewsets.py

@@ -10,6 +10,7 @@ from market.serializers import (
     BrandSerializer,
     ProductSerializer,
     PostSerializer,
+    PostCreateSerializer,
     PostListSerializer,
 )
 
@@ -22,11 +23,7 @@ class BrandViewset(ActionBasedMixin, ModelViewSet):
 
 
 class ProductViewset(ActionBasedMixin, ModelViewSet):
-    queryset = (
+    queryset = Product.objects.all().select_related("brand")
-        Product.objects.all()
-        .select_related("brand")
-        .prefetch_related("storage")
-    )
     serializer_class = ProductSerializer
     serializer_class_map = {
         "posts": PostSerializer,
@@ -50,12 +47,13 @@ class ProductViewset(ActionBasedMixin, ModelViewSet):
 class PostViewset(ActionBasedMixin, ModelViewSet):
     queryset = (
         Post.objects.all()
-        .select_related("storage", "product", "author", "product__brand")
+        .select_related("product", "author", "product__brand")
         .prefetch_related("images")
     )
     serializer_class = PostSerializer
     serializer_class_map = {
         "list": PostListSerializer,
+        "create": PostCreateSerializer,
     }
     permission_classes = [IsAuthenticated, IsAuthorOrReadOnly]
     permission_classes_map = {