feat: add stock keeping units management

- Created migration to drop `type` column from `stock_keeping_units` table.
- Added `Guild` model to Prisma schema.
- Implemented `BusinessActivitiesQueryService` for querying business activities.
- Developed `GoodsSharedService` for handling goods creation and updates.
- Introduced DTOs for creating and updating stock keeping units.
- Created controller and service for managing stock keeping units.
- Implemented response DTOs for stock keeping units service.
- Established module for stock keeping units management.

src/common/services/goods.service.ts

@@ -0,0 +1,124 @@
+import { UploadedFileTypes } from '@/common/enums/enums'
+import { GoodPricingModel } from '@/generated/prisma/enums'
+import { GoodSelect } from '@/generated/prisma/models'
+import { UploaderService } from '@/modules/uploader/uploader.service'
+import { Injectable } from '@nestjs/common'
+
+export interface CreateGoodDto {
+  name: string
+  sku_id: string
+  category_id: string
+  measure_unit_id: string
+  pricing_model: GoodPricingModel
+  description?: string
+  is_default_guild_good?: boolean
+}
+
+export interface UpdateGoodDto extends Partial<CreateGoodDto> {}
+
+@Injectable()
+export class GoodsSharedService {
+  constructor(private readonly uploaderService: UploaderService) {}
+
+  readonly defaultSelect: GoodSelect = {
+    id: true,
+    name: true,
+    pricing_model: true,
+    image_url: true,
+    description: true,
+    sku: {
+      select: {
+        id: true,
+        name: true,
+      },
+    },
+    measure_unit: {
+      select: {
+        id: true,
+        name: true,
+      },
+    },
+    category: {
+      select: {
+        id: true,
+        name: true,
+      },
+    },
+  }
+
+  async prepareCreateData(data: CreateGoodDto, file?: Express.Multer.File) {
+    const { category_id, measure_unit_id, sku_id, ...rest } = data
+
+    let image_url = ''
+    if (file) {
+      const uploadedUrl = await this.uploaderService.uploadFile(
+        file,
+        UploadedFileTypes.GOOD,
+      )
+      image_url = uploadedUrl || ''
+    }
+
+    return {
+      ...rest,
+      image_url,
+      sku: {
+        connect: {
+          id: sku_id,
+        },
+      },
+      measure_unit: {
+        connect: {
+          id: measure_unit_id,
+        },
+      },
+      category: {
+        connect: {
+          id: category_id,
+        },
+      },
+    }
+  }
+
+  async prepareUpdateData(id: string, data: UpdateGoodDto, file?: Express.Multer.File) {
+    const { category_id, measure_unit_id, sku_id, ...rest } = data
+
+    let image_url = ''
+    if (file) {
+      const uploadedUrl = await this.uploaderService.uploadFile(
+        file,
+        UploadedFileTypes.GOOD,
+      )
+      image_url = uploadedUrl || ''
+    }
+
+    const updateData: any = {
+      ...rest,
+      image_url,
+    }
+
+    if (sku_id) {
+      updateData.sku = { connect: { id: sku_id } }
+    }
+    if (measure_unit_id) {
+      updateData.measure_unit = { connect: { id: measure_unit_id } }
+    }
+    if (category_id) {
+      updateData.category = { connect: { id: category_id } }
+    }
+
+    return updateData
+  }
+
+  async handleImageUpdate(id: string, prisma: any, image_url: string) {
+    if (image_url) {
+      const prevImage = await prisma.good.findUnique({
+        where: { id },
+        select: { image_url: true },
+      })
+
+      if (prevImage?.image_url) {
+        this.uploaderService.deleteFile(prevImage.image_url, UploadedFileTypes.GOOD)
+      }
+    }
+  }
+}