Add sign in and sign out.

endpoints/web.py

@@ -1,8 +1,8 @@
 import logging
 
 from flask import abort, send_file, redirect, request, url_for
-from flask.ext.login import login_user, UserMixin
-from flask.ext.principal import identity_changed, Identity
+from flask.ext.login import login_user, UserMixin, login_required, logout_user
+from flask.ext.principal import identity_changed, Identity, AnonymousIdentity
 
 from data import model
 from app import app, login_manager
@@ -59,3 +59,13 @@ def signin():
 @app.route('/signin', methods=['GET'])
 def render_signin_page():
   return send_file('templates/signin.html')
+
+
+@app.route("/signout")
+@login_required
+def logout():
+    logout_user()
+
+    identity_changed.send(app, identity=AnonymousIdentity())
+
+    return redirect(url_for('index'))

templates/index.html

@@ -43,22 +43,25 @@
         </ul>
 
         
-        <ul class="nav navbar-nav navbar-right">
+        <ul class="nav navbar-nav navbar-right" ng-switch on="user.anonymous">
           <form class="navbar-form navbar-left" role="search">
             <div class="form-group">
               <input type="text" class="form-control" placeholder="Find Repo">
             </div>
           </form>
-        
-          <li class="dropdown">
+          
+          <li class="dropdown" ng-switch-when="false">
             <!--<button type="button" class="btn btn-default navbar-btn">Sign in</button>-->
 
             <a href="javascript:void(0)" class="dropdown-toggle" data-toggle="dropdown">{{ user.username }} <b class="caret"></b></a>
             <ul class="dropdown-menu">
               <li><a href="#">Settings</a></li>
-              <li><a href="#">Sign out</a></li>
+              <li><a href="/signout">Sign out</a></li>
             </ul>
           </li>
+          <li ng-switch-default>
+            <a href="/signin">Sign in</a>
+          </li>
         </ul>
       </div><!-- /.navbar-collapse -->
     </nav>