feat(statistics): implement top alert stocks, top last sales, top supplier debts, and top selling products endpoints with SQL queries

src/modules/pos/dto/create-pos.dto.ts

@@ -33,5 +33,5 @@ export class CreateOrderItemDto {
   @ApiProperty()
   @IsNumber()
   @Type(() => Number)
-  fee: number
+  unitPrice: number
 }

src/modules/pos/pos.service.ts

@@ -170,7 +170,10 @@ export class PosService {
 
     const newCode = String(Number(lastCode) + 1)
 
-    const totalAmount = data.items.reduce((acc, item) => acc + item.count * item.fee, 0)
+    const totalAmount = data.items.reduce(
+      (acc, item) => acc + item.count * item.unitPrice,
+      0,
+    )
 
     const preparedOrder: SalesInvoiceCreateInput = {
       ...res,
@@ -182,8 +185,8 @@ export class PosService {
         create: items.map(item => ({
           product: { connect: { id: Number(item.productId) } },
           count: item.count,
-          fee: item.fee,
-          total: item.count * item.fee,
+          unitPrice: item.unitPrice,
+          total: item.count * item.unitPrice,
         })),
       },
     }