1 files changed, 61 insertions, 0 deletions
diff --git a/app/lib/backend.js b/app/lib/backend.js
new file mode 100644
index 0000000000..33194c4325
--- /dev/null
+++ b/app/lib/backend.js
@@ -0,0 +1,61 @@
+import privateData from './private';
+
+/**
+ * Private data
+ */
+const { get: getImpl, set: setImpl } = privateData();
+
+/**
+ * Remote backend implementation
+ * 
+ * @class BackendImpl
+ */
+class BackendImpl {
+  constructor() {
+    this._account = null;
+    this._loggedIn = false;
+  }
+
+  get account() {
+    return this._account;
+  }
+
+  get loggedIn() {
+    return this._loggedIn;
+  }
+
+  login(account) {
+    return new Promise((resolve, reject) => {
+      // @TODO: Add login call
+      setTimeout(() => {
+        reject(new Error("Invalid account number."));
+      }, 2000);
+    });
+  }
+}
+
+/**
+ * Backend implementation
+ * 
+ * @export
+ * @class Backend
+ */
+export default class Backend {
+
+  constructor() {
+    setImpl(this, new BackendImpl());
+  }
+
+  get account() { 
+    return getImpl(this).account; 
+  }
+
+  get loggedIn() { 
+    return getImpl(this).loggedIn;
+  }
+
+  login(account) {
+    return getImpl(this).login(account);
+  }
+
+};