get cutlery fee (#69)

Co-authored-by: NHT <[email protected]>

src/entity/restaurant.entity.ts

@@ -111,6 +111,9 @@ export class Restaurant {
   @Column({ type: 'int', nullable: false, unique: false, default: 0 })
   public cutoff_time_m: number;
 
+  @Column({ type: 'int', nullable: true, unique: false })
+  public cutlery_price: number;
+
   @CreateDateColumn({
     type: 'datetime',
     nullable: false,

src/feature/order/dto/get-cutlery-fee-request.dto.ts

@@ -0,0 +1,4 @@
+export class GetCutleryFeeRequest {
+  restaurant_id: number;
+  item_quantity: number;
+}

src/feature/order/dto/get-cutlery-fee-response.dto.ts

@@ -0,0 +1,4 @@
+export class GetCutleryFeeResponse {
+  cutlery_fee: number;
+  currency: string;
+}

src/feature/order/order.controller.ts

@@ -1,4 +1,4 @@
-import { Controller, UseFilters } from '@nestjs/common';
+import { Controller, Get, UseFilters } from '@nestjs/common';
 import { MessagePattern } from '@nestjs/microservices';
 import { InjectRepository } from '@nestjs/typeorm';
 import { Order } from 'src/entity/order.entity';
@@ -8,12 +8,17 @@ import { GetApplicationFeeRequest } from './dto/get-application-fee-request.dto'
 import { CustomRpcExceptionFilter } from 'src/filters/custom-rpc-exception.filter';
 import { GetApplicationFeeResponse } from './dto/get-application-fee-response.dto';
 import { GetPaymentMethodResponse } from './dto/get-payment-method-response.dto';
+import { GetCutleryFeeRequest } from './dto/get-cutlery-fee-request.dto';
+import { GetCutleryFeeResponse } from './dto/get-cutlery-fee-response.dto';
+import { CommonService } from '../common/common.service';
+import { MoneyType } from 'src/type';
 
 @Controller('order')
 export class OrderController {
   constructor(
     @InjectRepository(Order) private orderRepo: Repository<Order>,
     private readonly orderService: OrderService,
+    private readonly commonService: CommonService,
   ) {}
   @MessagePattern({ cmd: 'get_order_by_id' })
   async getOrderByOrderId(order_id) {
@@ -56,4 +61,24 @@ export class OrderController {
     });
     return result;
   }
+
+  @MessagePattern({ cmd: 'get_cutlery_fee' })
+  @UseFilters(new CustomRpcExceptionFilter())
+  async getCutleryFee(
+    data: GetCutleryFeeRequest,
+  ): Promise<GetCutleryFeeResponse> {
+    const result = new GetCutleryFeeResponse();
+
+    const { restaurant_id, item_quantity } = data;
+
+    const fee: MoneyType = await this.orderService.getCutleryFee(
+      restaurant_id,
+      item_quantity,
+    );
+
+    result.cutlery_fee = fee.amount;
+    result.currency = fee.currency;
+
+    return result;
+  }
 }

src/feature/order/order.service.ts

@@ -9,6 +9,9 @@ import { OrderStatus } from 'src/enum';
 import { EntityManager, Repository } from 'typeorm';
 import { GetApplicationFeeResponse } from './dto/get-application-fee-response.dto';
 import { PaymentOption } from 'src/entity/payment-option.entity';
+import { MoneyType } from 'src/type';
+import { Restaurant } from 'src/entity/restaurant.entity';
+import { CustomRpcException } from 'src/exceptions/custom-rpc.exception';
 
 @Injectable()
 export class OrderService {
@@ -201,4 +204,29 @@ export class OrderService {
       .where('payment.is_active = 1')
       .getMany();
   }
+
+  async getCutleryFee(
+    restaurant_id: number,
+    quantity: number,
+  ): Promise<MoneyType> {
+    const restaurant = await this.entityManager
+      .createQueryBuilder(Restaurant, 'restaurant')
+      .leftJoinAndSelect('restaurant.unit_obj', 'unit')
+      .where('restaurant.restaurant_id = :restaurant_id', { restaurant_id })
+      .getOne();
+
+    if (!restaurant) {
+      throw new CustomRpcException(2, 'Restaurant doesnot exist');
+    }
+    if (!restaurant.cutlery_price) {
+      return {
+        amount: 0,
+        currency: restaurant.unit_obj.symbol,
+      };
+    }
+    return {
+      amount: restaurant.cutlery_price * quantity,
+      currency: restaurant.unit_obj.symbol,
+    };
+  }
 }

src/type/index.ts

@@ -192,3 +192,8 @@ export interface PackagingInfo {
 }
 
 export type NumbericBoolean = 0 | 1;
+
+export interface MoneyType {
+  amount: number;
+  currency: string;
+}