tag i18n

src/libs/storage.js

@@ -1,53 +1,116 @@
 class Storage {
-    constructor() {
-        this.session = new Session();
-        this.local = new Local();
-    }
+  constructor() {
+    this.session = new Session();
+    this.local = new Local();
+  }
 }
 
 class Session {
+  setObject(key, value) {
+    sessionStorage.setItem(key, JSON.stringify(value));
+  }
 
-    setObject(key, value) {
-        sessionStorage.setItem(key, JSON.stringify(value));
-    }
+  getObject(key) {
+    return JSON.parse(sessionStorage.getItem(key));
+  }
 
-    getObject(key) {
-        return JSON.parse(sessionStorage.getItem(key));
-    }
+  delete(key) {
+    sessionStorage.removeItem(key);
+  }
 
-    delete(key){
-        sessionStorage.removeItem(key);
-    }
+  setText(key, value) {
+    sessionStorage.setItem(key, value);
+  }
 
-    setText(key, value) {
-        sessionStorage.setItem(key, value);
-    }
-
-    getText(key) {
-        return sessionStorage.getItem(key);
-    }
+  getText(key) {
+    return sessionStorage.getItem(key);
+  }
 }
 
 class Local {
-    setObject(key, value) {
-        localStorage.setItem(key, JSON.stringify(value));
-    }
+  setObject(key, value) {
+    localStorage.setItem(key, JSON.stringify(value));
+  }
 
-    getObject(key) {
-        return JSON.parse(localStorage.getItem(key));
-    }
+  getObject(key) {
+    return JSON.parse(localStorage.getItem(key));
+  }
 
-    delete(key){
-        localStorage.removeItem(key);
-    }
+  delete(key) {
+    localStorage.removeItem(key);
+  }
 
-    setText(key, value) {
-        localStorage.setItem(key, value);
-    }
+  setText(key, value) {
+    localStorage.setItem(key, value);
+  }
 
-    getText(key) {
-        return localStorage.getItem(key);
+  getText(key) {
+    return localStorage.getItem(key);
+  }
+
+  getUseSize() {
+    var size = 0;
+    for (let i = 0, len = localStorage.length; i < len; i++) {
+      let key = localStorage.key(i);
+      if (null == key) {
+        continue;
+      }
+      let value = localStorage.getItem(key);
+      if (null != value) {
+        size += value.length;
+      }
     }
+    return size;
+  }
+
+  getAvailableSize() {
+    return 5 * 1024 * 1024 - storage.local.getUseSize();
+  }
+
+  dynamicClear(ctt) {
+    if (storage.local.getAvailableSize() < 1 * 1024 * 1024) {
+
+      //remove commited
+      for (let i = 0, len = localStorage.length; i < len; i++) {
+        let key = localStorage.key(i);
+
+        if (null == key) {
+          continue;
+        }
+
+        let value = localStorage.getItem(key);
+        if (key.length == 37 && key.endsWith(".text") && value.length > 50) {
+          let fl = value.substring(35, 36);
+          if (fl == "1") {
+            localStorage.removeItem(key);
+          }
+        }
+      }
+
+      //remove expired
+      if (storage.local.getAvailableSize() < 1 * 1024 * 1024) {
+        for (let i = 0, len = localStorage.length; i < len; i++) {
+          let key = localStorage.key(i);
+          if (null == key) {
+            continue;
+          }
+          let value = localStorage.getItem(key);
+
+          if (key.length == 37 && key.endsWith(".text") && value.length > 50) {
+            let starray = value.split("|");
+            let fl = starray[2];
+            let ts = starray[3];
+
+            if (fl == "0") {
+              if (ctt - ts > 3 * 24 * 3600 * 1000) {
+                localStorage.removeItem(key);
+              }
+            }
+          }
+        }
+      }
+    }
+  }
 }
 
 const storage = new Storage();