add message queue integration (#2491)

server/src/integrations/message-queue/message-queue.module.ts

@@ -0,0 +1,51 @@
+import { DynamicModule, Global } from '@nestjs/common';
+
+import { MessageQueueDriver } from 'src/integrations/message-queue/drivers/interfaces/message-queue-driver.interface';
+import { MessageQueueType } from 'src/integrations/environment/interfaces/message-queue.interface';
+
+import { MessageQueueModuleAsyncOptions } from 'src/integrations/message-queue/interfaces';
+import {
+  QUEUE_DRIVER,
+  MessageQueues,
+} from 'src/integrations/message-queue/message-queue.constants';
+import { PgBossDriver } from 'src/integrations/message-queue/drivers/pg-boss.driver';
+import { MessageQueueService } from 'src/integrations/message-queue/services/message-queue.service';
+import { BullMQDriver } from 'src/integrations/message-queue/drivers/bullmq.driver';
+
+@Global()
+export class MessageQueueModule {
+  static forRoot(options: MessageQueueModuleAsyncOptions): DynamicModule {
+    const providers = [
+      {
+        provide: MessageQueues.taskAssignedQueue,
+        useFactory: (driver: MessageQueueDriver) => {
+          return new MessageQueueService(
+            driver,
+            MessageQueues.taskAssignedQueue,
+          );
+        },
+        inject: [QUEUE_DRIVER],
+      },
+      {
+        provide: QUEUE_DRIVER,
+        useFactory: async (...args: any[]) => {
+          const config = await options.useFactory(...args);
+          if (config.type === MessageQueueType.PgBoss) {
+            const boss = new PgBossDriver(config.options);
+            await boss.init();
+            return boss;
+          }
+          return new BullMQDriver(config.options);
+        },
+        inject: options.inject || [],
+      },
+    ];
+
+    return {
+      module: MessageQueueModule,
+      imports: options.imports || [],
+      providers,
+      exports: [MessageQueues.taskAssignedQueue],
+    };
+  }
+}