feat: 新增实现指定一个触发器的调度更新（接口和功能）；

Author: maslow

http/admin.http

@@ -43,8 +43,3 @@ Authorization: Bearer {{token}}
   "name": "Maslow",
   "avatar": "https://work.zhuo-zhuo.com/file/data/23ttprpxmavkkuf6nttc/PHID-FILE-vzv6dyqo3ev2tmngx7mu/logoL)"
 }
-
-### 应用触发器配置
-
-POST {{base_url}}/admin/apply/triggers  HTTP/1.1
-Authorization: Bearer {{token}}

http/trigger.http

@@ -0,0 +1,23 @@
+
+@token={{login.response.body.$.data.access_token}}
+
+### 管理员登陆
+# @name login
+
+POST {{base_url}}/admin/login HTTP/1.1
+Content-Type: application/json
+
+{
+  "username": "less",
+  "password": "kissme"
+}
+
+### 应用所有触发器配置
+
+POST {{base_url}}/admin/apply/triggers  HTTP/1.1
+Authorization: Bearer {{token}}
+
+
+### 应用指定触发器配置
+POST {{base_url}}/admin/apply/triggers?tid=60bf1fe10bd2797aacc70e2e  HTTP/1.1
+Authorization: Bearer {{token}}

src/lib/faas/trigger.ts

@@ -44,6 +44,9 @@ export class Trigger {
   // 上次执行时间
   public last_exec_time: number
 
+  // 状态
+  public status: number
+
   get isEvent() {
     return this.type === TriggerType.TRIGGER_EVENT
   }
@@ -65,6 +68,7 @@ export class Trigger {
     tri.func_id = data.func_id
     tri.name = data.name
     tri.last_exec_time = data.last_exec_time ?? 0
+    tri.status = data.status
 
     if (tri.isEvent) {
       tri.event = data.event
@@ -102,6 +106,30 @@ export class TriggerScheduler {
     this.cancelTimer()
   }
 
+  /**
+   * 更新指定 trigger：
+   *  1. 从库中获取最新 trigger 数据
+   *  2. 若 status 为停用，则从当前调度表中删除
+   *  3. 若 status 为启用，则将其最新数据更新或添加到当前调度列表中
+   * @param triggerId 
+   */
+  public async updateTrigger(trigger: Trigger): Promise<boolean> {
+    // 停用状态，移除调度
+    if (trigger.status === 0) {
+      return this.removeTrigger(trigger.id)
+    }
+
+    // 启用状态，更新或添加
+    const index = this._triggers.findIndex(tri => tri.id === trigger.id)
+    if (index < 0) {
+      this._triggers.push(trigger)
+    } else {
+      this._triggers[index] = trigger
+    }
+
+    return true
+  }
+
   /**
    * 触发事件
    * @param event 事件名
@@ -202,6 +230,21 @@ export class TriggerScheduler {
     return this._triggers.filter(tri => tri.isTimer)
   }
 
+  /**
+   * 从当前调度列表中移除触发器
+   * @param triggerId 
+   * @returns 
+   */
+  private removeTrigger(triggerId: string): boolean {
+    const index = this._triggers.findIndex(t => t.id === triggerId)
+    if (index === -1) {
+      return false
+    }
+
+    this._triggers.splice(index, 1)
+    return true
+  }
+
   /**
    * 定时器触发器调度
    */

src/router/admin/index.ts

@@ -7,7 +7,7 @@ import { entry as adminEntry } from '../../entry/admin'
 import { entry as appEntry } from '../../entry/app'
 import { getAccessRules } from '../../lib/rules'
 import { Ruler } from 'less-api'
-import { scheduler } from '../../lib/faas'
+import { scheduler, Trigger } from '../../lib/faas'
 
 export const AdminRouter = Router()
 const logger = getLogger('admin:api')
@@ -325,7 +325,8 @@ AdminRouter.post('/apply/rules', async (req, res) => {
 
 
 /**
- * 重新调度最新的触发器配置
+ * 应用触发器配置
+ * @query tid? 触发器ID，若缺省则重新应用所有触发器配置
  */
 AdminRouter.post('/apply/triggers', async (req, res) => {
   const requestId = req['requestId']
@@ -337,16 +338,34 @@ AdminRouter.post('/apply/triggers', async (req, res) => {
     return res.status(code).send()
   }
 
-  // apply triggers
+  const triggerId = req.query.tid ?? null
+
   try {
     logger.debug(`[${requestId}] apply trigger rule`)
-    await scheduler.init()
+
+    // 若未提供 triggerId， 则更新所有触发器调度
+    if (!triggerId) {
+      await scheduler.init()
+      return res.send({ code: 0, data: 'ok:applied' })
+    }
+
+    // get trigger by id
+    const r = await db.collection('triggers').where({ _id: triggerId }).getOne()
+    if (!r.ok) return res.status(404).send('trigger not found')
+
+    // 更新指定触发器
+    const trigger = Trigger.fromJson(r.data)
+    const result = await scheduler.updateTrigger(trigger)
+
+    return res.send({
+      code: 0,
+      data: result ? 'ok:applied' : 'ok:unchanged'
+    })
   } catch (error) {
     logger.error(`[${requestId}] apply trigger rule error: `, error)
+    return res.send({
+      code: 1,
+      data: error
+    })
   }
-
-  return res.send({
-    code: 0,
-    data: 'applied'
-  })
 })