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tool/common.js

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+'use strict';
+const path = require('path');
+const fs = require('fs');
+module.exports = {
+  isTokenValid: (token, client) => {
+    return new Promise((resove, reject) => {
+      client.hgetall(token, (err, value) => {
+        if (err) {
+          resove(false);
+        } else {
+          if (value) {
+            let { creatTime, expires } = value;
+            let now = Date.now();
+            if (now - creatTime > expires) {
+              resove(false);
+            } else {
+              resove(true);
+            }
+          } else {
+            resove(false);
+          }
+        }
+      });
+    });
+  },
+  mapFiles (folderName) {
+    let exportFiles = {};
+    let modelUrl = path.resolve(__dirname, folderName);
+    let files = fs.readdirSync(modelUrl);
+    let js_files = files.filter(f => {
+      return f.endsWith('.js');
+    }, files);
+
+    for (let f of js_files) {
+      let name = f.substring(0, f.length - 3);
+      exportFiles[name] = require(path.resolve(modelUrl, f));
+    }
+
+    return exportFiles;
+  }
+};