feat: add product variant management functionality

- Implemented CreateProductVariantDto and UpdateProductVariantDto for product variant data transfer.
- Developed ProductVariantsController to handle CRUD operations for product variants.
- Created ProductVariantsService to interact with the database using Prisma.
- Added ProductVariantsModule to encapsulate the product variant feature.
- Included response mapping for consistent API responses.

src/generated/prisma/internal/prismaNamespace.ts

@@ -386,8 +386,8 @@ type FieldRefInputType<Model, FieldType> = Model extends never ? never : FieldRe
 export const ModelName = {
   User: 'User',
   Role: 'Role',
+  ProductVariant: 'ProductVariant',
   Product: 'Product',
-  ProductInfo: 'ProductInfo',
   ProductBrand: 'ProductBrand',
   ProductCategory: 'ProductCategory',
   Supplier: 'Supplier',
@@ -409,7 +409,7 @@ export type TypeMap<ExtArgs extends runtime.Types.Extensions.InternalArgs = runt
     omit: GlobalOmitOptions
   }
   meta: {
-    modelProps: "user" | "role" | "product" | "productInfo" | "productBrand" | "productCategory" | "supplier" | "customer" | "inventory" | "store"
+    modelProps: "user" | "role" | "productVariant" | "product" | "productBrand" | "productCategory" | "supplier" | "customer" | "inventory" | "store"
     txIsolationLevel: TransactionIsolationLevel
   }
   model: {
@@ -545,6 +545,72 @@ export type TypeMap<ExtArgs extends runtime.Types.Extensions.InternalArgs = runt
         }
       }
     }
+    ProductVariant: {
+      payload: Prisma.$ProductVariantPayload<ExtArgs>
+      fields: Prisma.ProductVariantFieldRefs
+      operations: {
+        findUnique: {
+          args: Prisma.ProductVariantFindUniqueArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductVariantPayload> | null
+        }
+        findUniqueOrThrow: {
+          args: Prisma.ProductVariantFindUniqueOrThrowArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductVariantPayload>
+        }
+        findFirst: {
+          args: Prisma.ProductVariantFindFirstArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductVariantPayload> | null
+        }
+        findFirstOrThrow: {
+          args: Prisma.ProductVariantFindFirstOrThrowArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductVariantPayload>
+        }
+        findMany: {
+          args: Prisma.ProductVariantFindManyArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductVariantPayload>[]
+        }
+        create: {
+          args: Prisma.ProductVariantCreateArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductVariantPayload>
+        }
+        createMany: {
+          args: Prisma.ProductVariantCreateManyArgs<ExtArgs>
+          result: BatchPayload
+        }
+        delete: {
+          args: Prisma.ProductVariantDeleteArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductVariantPayload>
+        }
+        update: {
+          args: Prisma.ProductVariantUpdateArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductVariantPayload>
+        }
+        deleteMany: {
+          args: Prisma.ProductVariantDeleteManyArgs<ExtArgs>
+          result: BatchPayload
+        }
+        updateMany: {
+          args: Prisma.ProductVariantUpdateManyArgs<ExtArgs>
+          result: BatchPayload
+        }
+        upsert: {
+          args: Prisma.ProductVariantUpsertArgs<ExtArgs>
+          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductVariantPayload>
+        }
+        aggregate: {
+          args: Prisma.ProductVariantAggregateArgs<ExtArgs>
+          result: runtime.Types.Utils.Optional<Prisma.AggregateProductVariant>
+        }
+        groupBy: {
+          args: Prisma.ProductVariantGroupByArgs<ExtArgs>
+          result: runtime.Types.Utils.Optional<Prisma.ProductVariantGroupByOutputType>[]
+        }
+        count: {
+          args: Prisma.ProductVariantCountArgs<ExtArgs>
+          result: runtime.Types.Utils.Optional<Prisma.ProductVariantCountAggregateOutputType> | number
+        }
+      }
+    }
     Product: {
       payload: Prisma.$ProductPayload<ExtArgs>
       fields: Prisma.ProductFieldRefs
@@ -611,72 +677,6 @@ export type TypeMap<ExtArgs extends runtime.Types.Extensions.InternalArgs = runt
         }
       }
     }
-    ProductInfo: {
-      payload: Prisma.$ProductInfoPayload<ExtArgs>
-      fields: Prisma.ProductInfoFieldRefs
-      operations: {
-        findUnique: {
-          args: Prisma.ProductInfoFindUniqueArgs<ExtArgs>
-          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductInfoPayload> | null
-        }
-        findUniqueOrThrow: {
-          args: Prisma.ProductInfoFindUniqueOrThrowArgs<ExtArgs>
-          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductInfoPayload>
-        }
-        findFirst: {
-          args: Prisma.ProductInfoFindFirstArgs<ExtArgs>
-          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductInfoPayload> | null
-        }
-        findFirstOrThrow: {
-          args: Prisma.ProductInfoFindFirstOrThrowArgs<ExtArgs>
-          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductInfoPayload>
-        }
-        findMany: {
-          args: Prisma.ProductInfoFindManyArgs<ExtArgs>
-          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductInfoPayload>[]
-        }
-        create: {
-          args: Prisma.ProductInfoCreateArgs<ExtArgs>
-          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductInfoPayload>
-        }
-        createMany: {
-          args: Prisma.ProductInfoCreateManyArgs<ExtArgs>
-          result: BatchPayload
-        }
-        delete: {
-          args: Prisma.ProductInfoDeleteArgs<ExtArgs>
-          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductInfoPayload>
-        }
-        update: {
-          args: Prisma.ProductInfoUpdateArgs<ExtArgs>
-          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductInfoPayload>
-        }
-        deleteMany: {
-          args: Prisma.ProductInfoDeleteManyArgs<ExtArgs>
-          result: BatchPayload
-        }
-        updateMany: {
-          args: Prisma.ProductInfoUpdateManyArgs<ExtArgs>
-          result: BatchPayload
-        }
-        upsert: {
-          args: Prisma.ProductInfoUpsertArgs<ExtArgs>
-          result: runtime.Types.Utils.PayloadToResult<Prisma.$ProductInfoPayload>
-        }
-        aggregate: {
-          args: Prisma.ProductInfoAggregateArgs<ExtArgs>
-          result: runtime.Types.Utils.Optional<Prisma.AggregateProductInfo>
-        }
-        groupBy: {
-          args: Prisma.ProductInfoGroupByArgs<ExtArgs>
-          result: runtime.Types.Utils.Optional<Prisma.ProductInfoGroupByOutputType>[]
-        }
-        count: {
-          args: Prisma.ProductInfoCountArgs<ExtArgs>
-          result: runtime.Types.Utils.Optional<Prisma.ProductInfoCountAggregateOutputType> | number
-        }
-      }
-    }
     ProductBrand: {
       payload: Prisma.$ProductBrandPayload<ExtArgs>
       fields: Prisma.ProductBrandFieldRefs
@@ -1137,16 +1137,15 @@ export const RoleScalarFieldEnum = {
 export type RoleScalarFieldEnum = (typeof RoleScalarFieldEnum)[keyof typeof RoleScalarFieldEnum]
 
 
-export const ProductScalarFieldEnum = {
+export const ProductVariantScalarFieldEnum = {
   id: 'id',
   name: 'name',
+  basePrice: 'basePrice',
+  salePrice: 'salePrice',
   description: 'description',
-  sku: 'sku',
   barcode: 'barcode',
   imageUrl: 'imageUrl',
-  attachmentId: 'attachmentId',
   unit: 'unit',
-  discount: 'discount',
   quantity: 'quantity',
   alertQuantity: 'alertQuantity',
   isActive: 'isActive',
@@ -1154,27 +1153,26 @@ export const ProductScalarFieldEnum = {
   createdAt: 'createdAt',
   updatedAt: 'updatedAt',
   deletedAt: 'deletedAt',
-  productInfoId: 'productInfoId'
+  productId: 'productId'
 } as const
 
-export type ProductScalarFieldEnum = (typeof ProductScalarFieldEnum)[keyof typeof ProductScalarFieldEnum]
+export type ProductVariantScalarFieldEnum = (typeof ProductVariantScalarFieldEnum)[keyof typeof ProductVariantScalarFieldEnum]
 
 
-export const ProductInfoScalarFieldEnum = {
+export const ProductScalarFieldEnum = {
   id: 'id',
   name: 'name',
+  barcode: 'barcode',
+  sku: 'sku',
   description: 'description',
-  productType: 'productType',
-  metaData: 'metaData',
   createdAt: 'createdAt',
   updatedAt: 'updatedAt',
   deletedAt: 'deletedAt',
   brandId: 'brandId',
-  categoryId: 'categoryId',
-  supplierId: 'supplierId'
+  categoryId: 'categoryId'
 } as const
 
-export type ProductInfoScalarFieldEnum = (typeof ProductInfoScalarFieldEnum)[keyof typeof ProductInfoScalarFieldEnum]
+export type ProductScalarFieldEnum = (typeof ProductScalarFieldEnum)[keyof typeof ProductScalarFieldEnum]
 
 
 export const ProductBrandScalarFieldEnum = {
@@ -1324,25 +1322,25 @@ export const RoleOrderByRelevanceFieldEnum = {
 export type RoleOrderByRelevanceFieldEnum = (typeof RoleOrderByRelevanceFieldEnum)[keyof typeof RoleOrderByRelevanceFieldEnum]
 
 
-export const ProductOrderByRelevanceFieldEnum = {
+export const ProductVariantOrderByRelevanceFieldEnum = {
   name: 'name',
   description: 'description',
-  sku: 'sku',
   barcode: 'barcode',
   imageUrl: 'imageUrl',
   unit: 'unit'
 } as const
 
-export type ProductOrderByRelevanceFieldEnum = (typeof ProductOrderByRelevanceFieldEnum)[keyof typeof ProductOrderByRelevanceFieldEnum]
+export type ProductVariantOrderByRelevanceFieldEnum = (typeof ProductVariantOrderByRelevanceFieldEnum)[keyof typeof ProductVariantOrderByRelevanceFieldEnum]
 
 
-export const ProductInfoOrderByRelevanceFieldEnum = {
+export const ProductOrderByRelevanceFieldEnum = {
   name: 'name',
-  description: 'description',
-  productType: 'productType'
+  barcode: 'barcode',
+  sku: 'sku',
+  description: 'description'
 } as const
 
-export type ProductInfoOrderByRelevanceFieldEnum = (typeof ProductInfoOrderByRelevanceFieldEnum)[keyof typeof ProductInfoOrderByRelevanceFieldEnum]
+export type ProductOrderByRelevanceFieldEnum = (typeof ProductOrderByRelevanceFieldEnum)[keyof typeof ProductOrderByRelevanceFieldEnum]
 
 
 export const ProductBrandOrderByRelevanceFieldEnum = {
@@ -1448,13 +1446,6 @@ export type DateTimeFieldRefInput<$PrismaModel> = FieldRefInputType<$PrismaModel
     
 
 
-/**
- * Reference to a field of type 'BigInt'
- */
-export type BigIntFieldRefInput<$PrismaModel> = FieldRefInputType<$PrismaModel, 'BigInt'>
-    
-
-
 /**
  * Reference to a field of type 'Decimal'
  */
@@ -1572,8 +1563,8 @@ export type PrismaClientOptions = ({
 export type GlobalOmitConfig = {
   user?: Prisma.UserOmit
   role?: Prisma.RoleOmit
+  productVariant?: Prisma.ProductVariantOmit
   product?: Prisma.ProductOmit
-  productInfo?: Prisma.ProductInfoOmit
   productBrand?: Prisma.ProductBrandOmit
   productCategory?: Prisma.ProductCategoryOmit
   supplier?: Prisma.SupplierOmit

src/generated/prisma/internal/prismaNamespaceBrowser.ts

@@ -53,8 +53,8 @@ export const AnyNull = runtime.AnyNull
 export const ModelName = {
   User: 'User',
   Role: 'Role',
+  ProductVariant: 'ProductVariant',
   Product: 'Product',
-  ProductInfo: 'ProductInfo',
   ProductBrand: 'ProductBrand',
   ProductCategory: 'ProductCategory',
   Supplier: 'Supplier',
@@ -104,16 +104,15 @@ export const RoleScalarFieldEnum = {
 export type RoleScalarFieldEnum = (typeof RoleScalarFieldEnum)[keyof typeof RoleScalarFieldEnum]
 
 
-export const ProductScalarFieldEnum = {
+export const ProductVariantScalarFieldEnum = {
   id: 'id',
   name: 'name',
+  basePrice: 'basePrice',
+  salePrice: 'salePrice',
   description: 'description',
-  sku: 'sku',
   barcode: 'barcode',
   imageUrl: 'imageUrl',
-  attachmentId: 'attachmentId',
   unit: 'unit',
-  discount: 'discount',
   quantity: 'quantity',
   alertQuantity: 'alertQuantity',
   isActive: 'isActive',
@@ -121,27 +120,26 @@ export const ProductScalarFieldEnum = {
   createdAt: 'createdAt',
   updatedAt: 'updatedAt',
   deletedAt: 'deletedAt',
-  productInfoId: 'productInfoId'
+  productId: 'productId'
 } as const
 
-export type ProductScalarFieldEnum = (typeof ProductScalarFieldEnum)[keyof typeof ProductScalarFieldEnum]
+export type ProductVariantScalarFieldEnum = (typeof ProductVariantScalarFieldEnum)[keyof typeof ProductVariantScalarFieldEnum]
 
 
-export const ProductInfoScalarFieldEnum = {
+export const ProductScalarFieldEnum = {
   id: 'id',
   name: 'name',
+  barcode: 'barcode',
+  sku: 'sku',
   description: 'description',
-  productType: 'productType',
-  metaData: 'metaData',
   createdAt: 'createdAt',
   updatedAt: 'updatedAt',
   deletedAt: 'deletedAt',
   brandId: 'brandId',
-  categoryId: 'categoryId',
-  supplierId: 'supplierId'
+  categoryId: 'categoryId'
 } as const
 
-export type ProductInfoScalarFieldEnum = (typeof ProductInfoScalarFieldEnum)[keyof typeof ProductInfoScalarFieldEnum]
+export type ProductScalarFieldEnum = (typeof ProductScalarFieldEnum)[keyof typeof ProductScalarFieldEnum]
 
 
 export const ProductBrandScalarFieldEnum = {
@@ -291,25 +289,25 @@ export const RoleOrderByRelevanceFieldEnum = {
 export type RoleOrderByRelevanceFieldEnum = (typeof RoleOrderByRelevanceFieldEnum)[keyof typeof RoleOrderByRelevanceFieldEnum]
 
 
-export const ProductOrderByRelevanceFieldEnum = {
+export const ProductVariantOrderByRelevanceFieldEnum = {
   name: 'name',
   description: 'description',
-  sku: 'sku',
   barcode: 'barcode',
   imageUrl: 'imageUrl',
   unit: 'unit'
 } as const
 
-export type ProductOrderByRelevanceFieldEnum = (typeof ProductOrderByRelevanceFieldEnum)[keyof typeof ProductOrderByRelevanceFieldEnum]
+export type ProductVariantOrderByRelevanceFieldEnum = (typeof ProductVariantOrderByRelevanceFieldEnum)[keyof typeof ProductVariantOrderByRelevanceFieldEnum]
 
 
-export const ProductInfoOrderByRelevanceFieldEnum = {
+export const ProductOrderByRelevanceFieldEnum = {
   name: 'name',
-  description: 'description',
-  productType: 'productType'
+  barcode: 'barcode',
+  sku: 'sku',
+  description: 'description'
 } as const
 
-export type ProductInfoOrderByRelevanceFieldEnum = (typeof ProductInfoOrderByRelevanceFieldEnum)[keyof typeof ProductInfoOrderByRelevanceFieldEnum]
+export type ProductOrderByRelevanceFieldEnum = (typeof ProductOrderByRelevanceFieldEnum)[keyof typeof ProductOrderByRelevanceFieldEnum]
 
 
 export const ProductBrandOrderByRelevanceFieldEnum = {