task scan and add done

lib/taskMoniter.mjs

@@ -7,6 +7,7 @@
  */
 import common from './common.mjs';
 import fs from 'node:fs';
+import { readdir, readFile } from 'node:fs/promises';
 import path from 'node:path';
 import cron from 'node-cron';
 
@@ -25,10 +26,17 @@ class TaskMoniter {
         done: 0,        //已完成的任务数
         failed: 0       //执行失败的任务数
     };
-  }
 
-  async getStatus() {
+    this.statusCode = {
+        waiting: 'waiting',
+        running: 'running',
+        done: 'done',
+        failed: 'failed',
+    };
+  }
 
+  getStatus() {
+    return this.taskStatus;
   }
 
   async getNewTask() {
@@ -43,21 +51,61 @@ class TaskMoniter {
 
   }
 
+  async parseTaskFile(filename, filepath) {
+    let task = {};
+
+    try {
+        task.id = filename.replace('.task', '');
+        task.status = this.statusCode.waiting;
+
+        task.url = await readFile(filepath, { encoding: 'utf8' });
+        if (task.url) {
+            task.url = task.url.replace(/[\r\n]/g, '');
+        }
+    }catch(error) {
+        console.error('Get task file content failed: %s', error);
+    }
+
+    return task;
+  }
+
+  addTask(task) {
+    if (typeof(this.tasks[task.id]) != 'undefined') {
+        return false;
+    }
+
+    this.tasks[task.id] = task;
+    this.taskStatus[task.status] ++;
+    this.taskStatus.total ++;
+    //console.log('Task added', task);
+
+    return true;
+  }
+
   async checkTasks() {
     if (this.checking == true) {
         return;
     }
 
     try {
+        console.log('[%s] TaskMoniter auto check...', common.getTimeString());
+
         this.checking = true;
 
-        //do something
+        const dirPath = path.resolve(this.task_dir);
-        console.log('[%s] TaskMoniter auto check...', common.getTimeString());
+        const files = await readdir(dirPath);
+        let task = null;
+        for (const file of files) {
+            if (file.indexOf('.task') === -1) {continue;}       //ignore not *.task files
 
+            task = await this.parseTaskFile(file, `${dirPath}/${file}`);
+            this.addTask(task);
+        }
 
         this.checking = false;
     }catch(error) {
         this.checking = false;
+        console.error('Check tasks failed: %s', error);
     }
   }
 
@@ -67,8 +115,9 @@ class TaskMoniter {
     //auto run
     const _self = this;
     const task_check_time = this.check_time_gap;
-    const task_auto_run = cron.schedule(`*/${task_check_time} * * * * *`, () =>  {
+    const task_auto_run = cron.schedule(`*/${task_check_time} * * * * *`, async () =>  {
-        _self.checkTasks();
+        await _self.checkTasks();
+        console.log('Status', _self.getStatus());
     }, {
         scheduled: false
     });