extract logout command.

3 files changed, 17 insertions, 4 deletions

diff --git a/app/commands/index.js b/app/commands/index.js
index 153ffbd..9560f09 100644
--- a/app/commands/index.js
+++ b/app/commands/index.js
@@ -1,5 +1,7 @@
 import LoginCommand from './login-command';
+import LogoutCommand from './logout-command';
 
 export {
   LoginCommand,
+  LogoutCommand,
 };
diff --git a/app/commands/logout-command.js b/app/commands/logout-command.js
new file mode 100644
index 0000000..0586997
--- /dev/null
+++ b/app/commands/logout-command.js
@@ -0,0 +1,13 @@
+export default class LogoutCommand {
+  constructor(applicationStorage) {
+    this.applicationStorage = applicationStorage;
+  }
+
+  subscribeTo(eventAggregator) {
+    eventAggregator.subscribe('LOGOUT', this);
+  }
+
+  notify(event) {
+    this.applicationStorage.delete('authentication_token');
+  }
+}
diff --git a/app/screens/dashboard-screen.js b/app/screens/dashboard-screen.js
index f67d209..efeda01 100644
--- a/app/screens/dashboard-screen.js
+++ b/app/screens/dashboard-screen.js
@@ -25,7 +25,7 @@ export default class DashboardScreen extends ApplicationComponent {
     return (
       <Container>
         <Header>
-          <Title>Stronglifters {this.props.username}</Title>
+          <Title>{this.props.username}</Title>
           <Button transparent rounded>
             <Image source={{uri: gravatarUri}} style={{width: 32, height: 32}} />
           </Button>
@@ -70,9 +70,7 @@ export default class DashboardScreen extends ApplicationComponent {
   }
 
   onLogout() {
-    const storage = new ApplicationStorage();
-    storage.delete('authentication_token');
-    storage.delete('username');
+    this.publish({event: 'LOGOUT'})
     this.props.navigator.pop();
   }