Merge pull request #9 from andresWeitzel/feature-04-add-rate-plans-de…

…lete

feature-04-add-rate-plans-delete

src/rate-plans/rate-plans.module.ts

@@ -12,6 +12,8 @@ import { GetAllRatePlansService } from './services/get-all.service';
 import { GetAllRatePlansResolver } from './resolvers/get-all.resolver';
 import { GetByIdRatePlansService } from './services/get-by-id.service';
 import { GetByIdRatePlansResolver } from './resolvers/get-by-id.resolver';
+import { DeleteRatePlansService } from './services/delete.service';
+import { DeleteRatePlansResolver } from './resolvers/delete.resolver';
 
 @Module({
   imports: [DatabaseModule],
@@ -30,6 +32,9 @@ import { GetByIdRatePlansResolver } from './resolvers/get-by-id.resolver';
     //GetByIdRatePlan
     GetByIdRatePlansService,
     GetByIdRatePlansResolver,
+    //DeleteRatePlan
+    DeleteRatePlansService,
+    DeleteRatePlansResolver
   ],
 })
 export class RatePlansModule {}

src/rate-plans/resolvers/delete.resolver.ts

@@ -0,0 +1,50 @@
+/* eslint-disable prettier/prettier */
+//External
+import { Resolver, Args, Mutation } from '@nestjs/graphql';
+import { ApiOperation, ApiTags } from '@nestjs/swagger';
+import { Delete } from '@nestjs/common';
+//Models
+import { RatePlans } from '.././models/rate-plans.entity';
+//Service
+import { DeleteRatePlansService } from '.././services/delete.service';
+//const-vars
+let ratePlanResult: any;
+let msgResponse: string;
+let msgLog: string;
+
+//Check
+@Resolver()
+@ApiTags('DeleteRatePlansResolver')
+export class DeleteRatePlansResolver {
+  constructor(private deletePlansService: DeleteRatePlansService) {}
+
+  /**
+   * @description function for delete a rate plan to database
+   * @param {number} inputId number type
+   * @returns a response with the rate plan object and status code
+   */
+  @Delete('/id/:inputId')
+  @ApiOperation({ summary: 'Delete a rate plans' })
+  @Mutation(() => RatePlans, { name: 'deleteRatePlan' })
+  async deleteRatePlan(
+    @Args({ name: 'inputId' }) inputId: number,
+  ): Promise<string | any> {
+    try {
+      msgResponse = null;
+      msgLog = null;
+
+      // --- start with database operations ---
+      ratePlanResult = await this.deletePlansService.delete(inputId);
+      if (ratePlanResult != null || ratePlanResult != undefined) {
+        return `The Rate plan with the id ${inputId} has been successfully deleted`;
+      }
+      // --- end with database operations ---
+    } catch (error) {
+      msgResponse =
+        'ERROR in deleteRatePlan function for DeleteRatePlansResolver class';
+      msgLog = msgResponse + `Caused by ${error}`;
+      console.log(msgLog);
+      return msgResponse;
+    }
+  }
+}

src/rate-plans/services/delete.service.ts

@@ -0,0 +1,51 @@
+/* eslint-disable prettier/prettier */
+//External
+import { Injectable, Inject } from '@nestjs/common';
+import { Repository } from 'typeorm';
+//Models
+import { RatePlans } from '../models/rate-plans.entity';
+//Const-vars
+let deletedRatePlan: any;
+let ratePlanOld:any;
+let msgResponse: string;
+let msgLog: string;
+
+/**
+ * @description Class service for delete a rate plan
+ * @param {Object} event Object type
+ */
+@Injectable()
+export class DeleteRatePlansService {
+  constructor(
+    @Inject('RATE_PLANS_REPOSITORY')
+    private ratePlansRepository: Repository<RatePlans>,
+  ) {}
+
+  /**
+   * @description function to delete a rate plan
+   * @param {number} inputId number type
+   * @returns an object with the ratePlan
+   */
+  async delete(inputId: number): Promise<string | any> {
+    try {
+      msgResponse = null;
+      msgLog = null;
+
+      ratePlanOld = this.ratePlansRepository.findOne(({
+        where: {
+          id: inputId,
+        },
+      }));
+
+      deletedRatePlan = this.ratePlansRepository.remove(ratePlanOld);
+
+      return deletedRatePlan;
+
+    } catch (error) {
+      msgResponse = 'ERROR in delete function for DeleteRatePlansService class';
+      msgLog = msgResponse + `Caused by ${error}`;
+      console.log(msgLog);
+      return msgResponse;
+    }
+  }
+}

src/schema.gql

@@ -29,6 +29,7 @@ type Query {
 type Mutation {
   createRatePlan(ratePlanObj: RatePlansDTO!): RatePlans!
   updateRatePlan(id: Float!, ratePlanObj: RatePlansDTO!): RatePlans!
+  deleteRatePlan(inputId: Float!): RatePlans!
 }
 
 input RatePlansDTO {