Done setup template

frontend/src/utils/helper.js

@@ -0,0 +1,50 @@
+import { AES, enc } from 'crypto-js'
+import { LOGIN_KEY, SECRET_KEY, STORE_KEY } from './enum'
+
+export class Helpers {
+  static setCookie = (cname, cvalue, exdays) => {
+    const d = new Date()
+    d.setTime(d.getTime() + exdays * 24 * 60 * 60 * 1000)
+    let expires = `expires=${d.toUTCString()}`
+    document.cookie = `${cname}=${cvalue};${expires};path=/`
+  }
+
+  static getCookie = (cname) => {
+    let name = cname + '='
+    let ca = document.cookie.split(';')
+    for (let i = 0; i < ca.length; i++) {
+      let c = ca[i]
+      while (c.charAt(0) == ' ') {
+        c = c.substring(1)
+      }
+      if (c.indexOf(name) == 0) {
+        return c.substring(name.length, c.length)
+      }
+    }
+    return ''
+  }
+
+  static deleteCookie = (cname) => {
+    document.cookie = `${cname}=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;`
+  }
+
+  static clearStorage = () => {
+    localStorage.removeItem(LOGIN_KEY)
+    localStorage.removeItem(STORE_KEY)
+  }
+
+  static checkTokenExpired = (exp) => {
+    const currentTime = Math.floor(new Date().getTime() / 1000)
+    return exp < currentTime
+  }
+
+  static encrypt = (obj) => {
+    return AES.encrypt(JSON.stringify(obj), SECRET_KEY).toString()
+  }
+
+  static decrypt = (hash, defaultValue = {}) => {
+    return hash
+      ? JSON.parse(AES.decrypt(hash, SECRET_KEY).toString(enc.Utf8))
+      : defaultValue
+  }
+}