feat(kafka): refactor framework and add factory service for producer and admin

packages/core/src/common/typedResourceManager.ts

@@ -0,0 +1,133 @@
+import { ClassType } from '../interface';
+
+export class TypedResourceManager<
+  Resource = any,
+  ResourceInitializeConfig = any,
+  ResourceProviderType = any
+> {
+  private resourceMap: Map<string, Resource> = new Map();
+  private resourceBindingMap: Map<string, any> = new Map();
+  constructor(
+    protected typedResourceInitializerOptions: {
+      initializeValue: {
+        [resourceName: string]: ResourceInitializeConfig;
+      };
+      initializeClzProvider: {
+        [resourceName: string]: ClassType<ResourceProviderType>;
+      };
+      resourceInitialize: (
+        resourceInitializeConfig: ResourceInitializeConfig,
+        resourceName: string
+      ) => Promise<Resource>;
+      resourceBinding: (
+        ClzProvider: ClassType<ResourceProviderType>,
+        resourceInitializeConfig: ResourceInitializeConfig,
+        resource: Resource,
+        resourceName: string
+      ) => Promise<any>;
+      resourceStart: (
+        resource: Resource,
+        resourceInitializeConfig: ResourceInitializeConfig,
+        resourceBindingResult?: any
+      ) => Promise<void>;
+      resourceDestroy: (
+        resource: Resource,
+        resourceInitializeConfig: ResourceInitializeConfig
+      ) => Promise<void>;
+    }
+  ) {}
+
+  public async createResource(
+    resourceName: string,
+    resourceInitializeConfig: ResourceInitializeConfig
+  ) {
+    const resource =
+      await this.typedResourceInitializerOptions.resourceInitialize(
+        resourceInitializeConfig,
+        resourceName
+      );
+    this.resourceMap.set(resourceName, resource);
+    return resource;
+  }
+
+  public async init() {
+    for (const resourceName of Object.keys(
+      this.typedResourceInitializerOptions.initializeValue
+    )) {
+      const resourceInitializeConfig =
+        this.typedResourceInitializerOptions.initializeValue[resourceName];
+      const ClzProvider =
+        this.typedResourceInitializerOptions.initializeClzProvider[
+          resourceName
+        ];
+
+      const resource = await this.createResource(
+        resourceName,
+        resourceInitializeConfig
+      );
+
+      const bindingResult =
+        await this.typedResourceInitializerOptions.resourceBinding(
+          ClzProvider,
+          resourceInitializeConfig,
+          resource,
+          resourceName
+        );
+      if (bindingResult) {
+        this.resourceBindingMap.set(resourceName, bindingResult);
+      }
+    }
+  }
+
+  public async startParallel() {
+    const startPromises = [];
+    for (const [resourceName, resource] of this.resourceMap.entries()) {
+      startPromises.push(
+        this.typedResourceInitializerOptions.resourceStart(
+          resource,
+          this.typedResourceInitializerOptions.initializeValue[resourceName],
+          this.resourceBindingMap.get(resourceName)
+        )
+      );
+    }
+    await Promise.all(startPromises);
+  }
+
+  public async start() {
+    for (const [resourceName, resource] of this.resourceMap.entries()) {
+      await this.typedResourceInitializerOptions.resourceStart(
+        resource,
+        this.typedResourceInitializerOptions.initializeValue[resourceName],
+        this.resourceBindingMap.get(resourceName)
+      );
+    }
+  }
+
+  public async destroyParallel() {
+    const destroyPromises = [];
+    for (const [resourceName, resource] of this.resourceMap.entries()) {
+      destroyPromises.push(
+        this.typedResourceInitializerOptions.resourceDestroy(
+          resource,
+          this.typedResourceInitializerOptions.initializeValue[resourceName]
+        )
+      );
+    }
+    await Promise.all(destroyPromises);
+  }
+
+  public async destroy() {
+    for (const [resourceName, resource] of this.resourceMap.entries()) {
+      await this.typedResourceInitializerOptions.resourceDestroy(
+        resource,
+        this.typedResourceInitializerOptions.initializeValue[resourceName]
+      );
+    }
+    this.resourceMap.clear();
+    this.resourceBindingMap.clear();
+  }
+
+  public getResource(resourceName: string): any {
+    return this.resourceMap.get(resourceName);
+  }
+}

packages/core/src/index.ts

@@ -87,4 +87,5 @@ export { PathFileUtil } from './util/pathFileUtil';
 export { FileUtils } from './util/fs';
 export { FORMAT } from './util/format';
 export { ServerResponse, HttpServerResponse } from './response/index';
+export { TypedResourceManager } from './common/typedResourceManager';
 export { MidwayPerformanceManager } from './common/performanceManager';

packages/core/src/interface.ts

@@ -1246,3 +1246,5 @@ export interface ServerSendEventStreamOptions<CTX extends IMidwayContext> {
   closeEvent?: string;
   tpl?: (data: ServerSendEventMessage, ctx: CTX) => ServerSendEventMessage;
 }
+
+export type ClassType<T = any> = new (...args: any[]) => T;

packages/core/test/common/typedResourceManager.test.ts

@@ -0,0 +1,65 @@
+import { TypedResourceManager } from '../../src';
+
+describe('test/common/typedResourceManager.test.ts', () => {
+  let typedResourceManager: TypedResourceManager<any, any, any>;
+  let mockResourceInitialize: jest.Mock;
+  let mockResourceBinding: jest.Mock;
+  let mockResourceStart: jest.Mock;
+  let mockResourceDestroy: jest.Mock;
+
+  beforeEach(() => {
+    mockResourceInitialize = jest.fn().mockResolvedValue('mockResource');
+    mockResourceBinding = jest.fn().mockResolvedValue('mockBindingResult');
+    mockResourceStart = jest.fn().mockResolvedValue(undefined);
+    mockResourceDestroy = jest.fn().mockResolvedValue(undefined);
+
+    typedResourceManager = new TypedResourceManager({
+      initializeValue: {
+        testResource: { configKey: 'configValue' }
+      },
+      initializeClzProvider: {
+        testResource: class {}
+      },
+      resourceInitialize: mockResourceInitialize,
+      resourceBinding: mockResourceBinding,
+      resourceStart: mockResourceStart,
+      resourceDestroy: mockResourceDestroy
+    });
+  });
+
+  it('should create and initialize resources', async () => {
+    await typedResourceManager.init();
+    expect(mockResourceInitialize).toHaveBeenCalledWith({ configKey: 'configValue' }, 'testResource');
+    expect(mockResourceBinding).toHaveBeenCalledWith(expect.any(Function), { configKey: 'configValue' }, 'mockResource', 'testResource');
+  });
+
+  it('should start resources', async () => {
+    await typedResourceManager.init();
+    await typedResourceManager.start();
+    expect(mockResourceStart).toHaveBeenCalledWith('mockResource', { configKey: 'configValue' }, 'mockBindingResult');
+  });
+
+  it('should destroy resources', async () => {
+    await typedResourceManager.init();
+    await typedResourceManager.destroy();
+    expect(mockResourceDestroy).toHaveBeenCalledWith('mockResource', { configKey: 'configValue' });
+  });
+
+  it('should start resources in parallel', async () => {
+    await typedResourceManager.init();
+    await typedResourceManager.startParallel();
+    expect(mockResourceStart).toHaveBeenCalledWith('mockResource', { configKey: 'configValue' }, 'mockBindingResult');
+  });
+
+  it('should destroy resources in parallel', async () => {
+    await typedResourceManager.init();
+    await typedResourceManager.destroyParallel();
+    expect(mockResourceDestroy).toHaveBeenCalledWith('mockResource', { configKey: 'configValue' });
+  });
+
+  it('should get a resource by name', async () => {
+    await typedResourceManager.init();
+    const resource = typedResourceManager.getResource('testResource');
+    expect(resource).toBe('mockResource');
+  });
+});

packages/kafka/index.d.ts

@@ -1,5 +1,13 @@
 import { IMidwayKafkaConfigurationOptions } from './dist';
 export * from './dist/index';
+export {
+  EachMessagePayload,
+  EachBatchPayload,
+  Consumer,
+  Kafka,
+  Producer,
+  Admin,
+} from 'kafkajs';
 
 declare module '@midwayjs/core/dist/interface' {
   interface MidwayConfig {

packages/kafka/src/configuration.ts

@@ -5,11 +5,18 @@ import { Configuration } from '@midwayjs/core';
   importConfigs: [
     {
       default: {
-        kafka: {},
+        kafka: {
+          contextLoggerApplyLogger: 'kafkaLogger',
+        },
+        midwayLogger: {
+          clients: {
+            kafkaLogger: {
+              fileLogName: 'midway-kafka.log',
+            },
+          },
+        },
       },
     },
   ],
 })
-export class KafkaConfiguration {
-  async onReady() {}
-}
+export class KafkaConfiguration {}

packages/kafka/src/decorator.ts

@@ -0,0 +1,17 @@
+import {
+  Provide,
+  saveModule,
+  Scope,
+  ScopeEnum,
+  saveClassMetadata,
+} from '@midwayjs/core';
+export const KAFKA_DECORATOR_KEY = 'rpc:kafka';
+
+export function KafkaConsumer(consumerName: string): ClassDecorator {
+  return target => {
+    saveModule(KAFKA_DECORATOR_KEY, target);
+    saveClassMetadata(KAFKA_DECORATOR_KEY, consumerName, target);
+    Scope(ScopeEnum.Request)(target);
+    Provide()(target);
+  };
+}