text: from rest_framework import serializers
  from core.models import Tag,Ingredient,Recipe
  
  class TagSerializer(serializers.ModelSerializer):
  
      class Meta:
          model=Tag
          fields=('id','name')
          read_only_fields=('id',)
  
  class IngredientSerializer(serializers.ModelSerializer):
      class Meta:
          model=Ingredient
          fields=('id','name')
          read_only_fields=('id',)
  
  class RecipeSerializer(serializers.ModelSerializer):
      ingredients=serializers.PrimaryKeyRelatedField(
      many=True,
      queryset=Ingredient.objects.all())
      tags=serializers.PrimaryKeyRelatedField(
      many=True,
      queryset=Tag.objects.all()
      )
      class Meta:
          model=Recipe
          fields=('id','title','ingredients','tags','time_minutes','price','link')
          read_only_fields=('id',)
  
  class RecipeDetailSerializer(RecipeSerializer):
      ingredients=IngredientSerializer(many=True,read_only=True)
      tags=TagSerializer(many=True,read_only=True)
  
  
  class RecipeImageSerializer(serializers.ModelSerializer):
      class Meta:
          model=Recipe
          fields=('id','image')
          read_only_fields=('id',)
  