fix: avoid query too frequently (#1329)

cnpm · May 2, 2018 · 84a3037 · 84a3037
1 parent 34d3a1e
commit 84a3037
Showing 1 changed file with 9 additions and 4 deletions.
diff --git a/controllers/total.js b/controllers/total.js
@@ -9,13 +9,18 @@ const startTime = '' + Date.now();
 let cache = null;
 
 module.exports = function* showTotal() {
-  if (cache && Date.now() - cache.cache_time < 10000) {
-    // cache 10 seconds
+  if (cache && Date.now() - cache.cache_time < 120000) {
+    // cache 120 seconds
     this.body = cache;
     return;
   }
 
-  const r = yield [Total.get(), getDownloadTotal()];
+  if (cache) {
+    // set cache_time fisrt, avoid query in next time
+    cache.cache_time = Date.now();
+  }
+
+  const r = yield [ Total.get(), getDownloadTotal() ];
   const total = r[0];
   const download = r[1];
 
@@ -28,7 +33,7 @@ module.exports = function* showTotal() {
   total.sync_model = config.syncModel;
 
   cache = total;
-  total.cache_time = Date.now();
+  cache.cache_time = Date.now();
 
   this.body = total;
 };