feat: implement supplier management module with create, update, find, and delete functionalities

- Added CreateSupplierDto for supplier creation
- Added UpdateSupplierDto for supplier updates
- Implemented SuppliersController to handle HTTP requests for suppliers
- Created SuppliersService to manage supplier data using Prisma
- Integrated SuppliersModule to encapsulate suppliers-related components

prisma/migrations/20251204193351_init/migration.sql

@@ -0,0 +1,43 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `vendorId` on the `Product_info` table. All the data in the column will be lost.
+  - You are about to drop the `Vendors` table. If the table is not empty, all the data it contains will be lost.
+  - Added the required column `supplierId` to the `Product_info` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- DropForeignKey
+ALTER TABLE `Product_info` DROP FOREIGN KEY `Product_info_vendorId_fkey`;
+
+-- DropIndex
+DROP INDEX `Product_info_vendorId_fkey` ON `Product_info`;
+
+-- AlterTable
+ALTER TABLE `Product_info` DROP COLUMN `vendorId`,
+    ADD COLUMN `supplierId` INTEGER NOT NULL;
+
+-- DropTable
+DROP TABLE `Vendors`;
+
+-- CreateTable
+CREATE TABLE `Suppliers` (
+    `id` INTEGER NOT NULL AUTO_INCREMENT,
+    `firstName` VARCHAR(255) NOT NULL,
+    `lastName` VARCHAR(255) NOT NULL,
+    `email` VARCHAR(255) NULL,
+    `mobileNumber` CHAR(11) NOT NULL,
+    `address` TEXT NULL,
+    `city` VARCHAR(100) NULL,
+    `state` VARCHAR(100) NULL,
+    `country` VARCHAR(100) NULL,
+    `isActive` BOOLEAN NOT NULL DEFAULT true,
+    `createdAt` TIMESTAMP(0) NULL,
+    `updatedAt` TIMESTAMP(0) NULL,
+    `deletedAt` TIMESTAMP(0) NULL,
+
+    UNIQUE INDEX `Suppliers_mobileNumber_key`(`mobileNumber`),
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- AddForeignKey
+ALTER TABLE `Product_info` ADD CONSTRAINT `Product_info_supplierId_fkey` FOREIGN KEY (`supplierId`) REFERENCES `Suppliers`(`id`) ON DELETE RESTRICT ON UPDATE NO ACTION;

prisma/schema.prisma

@@ -86,8 +86,8 @@ model ProductInfo {
   category   ProductCategory? @relation("ProductInfo_Category", fields: [categoryId], references: [id], onUpdate: NoAction)
   categoryId Int?
 
-  vendor   Vendor @relation("ProductInfo_Vendor", fields: [vendorId], references: [id], onUpdate: NoAction)
-  vendorId Int
+  supplier   Supplier @relation("ProductInfo_Supplier", fields: [supplierId], references: [id], onUpdate: NoAction)
+  supplierId Int
 
   @@map("Product_info")
 }
@@ -120,7 +120,7 @@ model ProductCategory {
   @@map("Product_categories")
 }
 
-model Vendor {
+model Supplier {
   id           Int       @id @default(autoincrement())
   firstName    String    @db.VarChar(255)
   lastName     String    @db.VarChar(255)
@@ -135,9 +135,9 @@ model Vendor {
   updatedAt    DateTime? @db.Timestamp(0)
   deletedAt    DateTime? @db.Timestamp(0)
 
-  productInfo ProductInfo[] @relation("ProductInfo_Vendor")
+  productInfo ProductInfo[] @relation("ProductInfo_Supplier")
 
-  @@map("Vendors")
+  @@map("Suppliers")
 }
 
 model Customer {