feat: added lots of tests

shop/api/v1/serializers.py

@@ -1,3 +1,4 @@
+from django.utils import timezone
 from rest_framework import serializers
 
 from files.api.v1.serializers import FileUploadSerializer
@@ -17,6 +18,7 @@ class TaxSerializer(serializers.ModelSerializer):
     class Meta:
         model = Tax
         fields = (
+            "id",
             "code",
             "value",
         )
@@ -35,15 +37,20 @@ class ProductPriceSerializer(serializers.ModelSerializer):
         )
 
 
+class CreateProductPriceSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ProductPrice
+        fields = (
+            "id",
+            "price",
+            "tax",
+        )
+
+
 class ProductSerializer(serializers.ModelSerializer):
     images = FileUploadSerializer(many=True, read_only=True)
     price = ProductPriceSerializer()
 
-    def get_price(self, product):
-        last_price = product.prices.last()
-
-        return ProductPriceSerializer(last_price).data
-
     class Meta:
         model = Product
         fields = (
@@ -56,10 +63,49 @@ class ProductSerializer(serializers.ModelSerializer):
         )
 
 
+class CreateProductSerializer(serializers.ModelSerializer):
+    price = serializers.DecimalField(
+        max_digits=13, decimal_places=4, required=False, write_only=True
+    )
+    tax = serializers.PrimaryKeyRelatedField(
+        queryset=Tax.objects.all(), write_only=True
+    )
+
+    def create(self, validated_data):
+        instance = Product.objects.create(
+            name=validated_data.get("name"),
+            description=validated_data.get("description"),
+            stock=validated_data.get("stock"),
+            is_digital_asset=validated_data.get("is_digital_asset"),
+            url=validated_data.get("url"),
+        )
+        ProductPrice.objects.create(
+            product=instance,
+            date=timezone.now(),
+            price=validated_data.get("price"),
+            tax=validated_data.get("tax"),
+        )
+        return instance
+
+    class Meta:
+        model = Product
+        fields = (
+            "id",
+            "name",
+            "description",
+            "stock",
+            "is_digital_asset",
+            "url",
+            "price",
+            "tax",
+        )
+
+
 class ProductBatchSerializer(serializers.ModelSerializer):
     class Meta:
         model = ProductBatch
         fields = (
+            "id",
             "code",
             "product",
             "quantity",
@@ -72,6 +118,7 @@ class CustomerSerializer(serializers.ModelSerializer):
     class Meta:
         model = Customer
         fields = (
+            "id",
             "vat_id",
             "first_name",
             "last_name",
@@ -88,6 +135,7 @@ class ProviderSerializer(serializers.ModelSerializer):
     class Meta:
         model = Provider
         fields = (
+            "id",
             "vat_id",
             "name",
             "email",