#Middleware 中间件

export class MyPlugin extends Plugin {
  load() {
    // 应用级中间件
    this.app.use(async (ctx, next) => {
      console.log('App middleware');
      await next();
    });

    // 数据源中间件
    this.app.dataSourceManager.use(async (ctx, next) => {
      console.log('DataSource middleware');
      await next();
    });

    // 权限中间件
    this.app.acl.use(async (ctx, next) => {
      console.log('ACL middleware');
      await next();
    });

    // 资源中间件
    this.app.resourceManager.use(async (ctx, next) => {
      console.log('Resource middleware');
      await next();
    });

  }
}

// 普通中间件
app.use(m1, { tag: 'restApi' });
app.resourcer.use(m2, { tag: 'parseToken' });
app.resourcer.use(m3, { tag: 'checkRole' });

// m4 将排在 m1 前面
app.use(m4, { before: 'restApi' });

// m5 会插入到 m2 和 m3 之间
app.resourcer.use(m5, { after: 'parseToken', before: 'checkRole' });

app.use(async (ctx, next) => {
  ctx.body = ctx.body || [];
  ctx.body.push(1);
  await next();
  ctx.body.push(2);
});

app.resourcer.use(async (ctx, next) => {
  ctx.body = ctx.body || [];
  ctx.body.push(3);
  await next();
  ctx.body.push(4);
});

app.acl.use(async (ctx, next) => {
  ctx.body = ctx.body || [];
  ctx.body.push(5);
  await next();
  ctx.body.push(6);
});

app.resourcer.define({
  name: 'test',
  actions: {
    async list(ctx, next) {
      ctx.body = ctx.body || [];
      ctx.body.push(7);
      await next();
      ctx.body.push(8);
    },
  },
});