update username

src/modules/authentication/interface/grpc-controllers/dtos/update-username.request.dto.ts

@@ -0,0 +1,8 @@
+import { IsNotEmpty, IsString } from 'class-validator';
+import { UsernameDto } from './username.dto';
+
+export class UpdateUsernameRequestDto extends UsernameDto {
+  @IsString()
+  @IsNotEmpty()
+  userId: string;
+}

src/modules/authentication/interface/grpc-controllers/update-username.grpc.controller.ts

@@ -0,0 +1,49 @@
+import {
+  AggregateID,
+  IdResponse,
+  RpcExceptionCode,
+  RpcValidationPipe,
+} from '@mobicoop/ddd-library';
+import { Controller, UsePipes } from '@nestjs/common';
+import { CommandBus } from '@nestjs/cqrs';
+import { GrpcMethod, RpcException } from '@nestjs/microservices';
+import { UsernameAlreadyExistsException } from '@modules/authentication/core/domain/authentication.errors';
+import { UpdateUsernameRequestDto } from './dtos/update-username.request.dto';
+import { UpdateUsernameCommand } from '@modules/authentication/core/application/commands/update-username/update-username.command';
+
+@UsePipes(
+  new RpcValidationPipe({
+    whitelist: true,
+    forbidUnknownValues: false,
+  }),
+)
+@Controller()
+export class UpdateUsernameGrpcController {
+  constructor(private readonly commandBus: CommandBus) {}
+
+  @GrpcMethod('AuthenticationService', 'UpdateUsername')
+  async updateUsername(data: UpdateUsernameRequestDto): Promise<IdResponse> {
+    try {
+      const aggregateID: AggregateID = await this.commandBus.execute(
+        new UpdateUsernameCommand({
+          userId: data.userId,
+          username: {
+            name: data.name,
+            type: data.type,
+          },
+        }),
+      );
+      return new IdResponse(aggregateID);
+    } catch (error: any) {
+      if (error instanceof UsernameAlreadyExistsException)
+        throw new RpcException({
+          code: RpcExceptionCode.ALREADY_EXISTS,
+          message: error.message,
+        });
+      throw new RpcException({
+        code: RpcExceptionCode.UNKNOWN,
+        message: error.message,
+      });
+    }
+  }
+}