added error messages to login flow

server/static/scripts/controllers/users.js

@@ -1,5 +1,11 @@
 (function () {
 
+	function UserLoginCtrl($scope, $window) {
+		// attempts to extract an error message from
+		// the URL hash in format #error=?
+		$scope.error = $window.location.hash.substr(7);
+	}
+
 	/**
 	 * UserCtrl is responsible for managing user settings.
 	 */
@@ -68,6 +74,7 @@
 
 	angular
 		.module('drone')
+		.controller('UserLoginCtrl', UserLoginCtrl)
 		.controller('UserCtrl', UserCtrl)
 		.controller('UsersCtrl', UsersCtrl);
 })();

server/static/scripts/drone.js

@@ -55,6 +55,7 @@
 		})
 		.when('/login', {
 			templateUrl: '/static/scripts/views/login.html',
+			controller: 'UserLoginCtrl'
 		})
 		.when('/profile', {
 			templateUrl: '/static/scripts/views/user.html',

server/static/scripts/views/login.html

@@ -1,3 +1,10 @@
 <h1>Login</h1>
 
+<div ng-switch="error">
+  <div ng-switch-when="internal_error">Oops. There was an unexpected error. Please try again.</div>
+  <div ng-switch-when="user_not_found">There was an error authorizing your account.</div>
+  <div ng-switch-when="access_denied_org">Login is restricted to approved organization members only</div>
+  <div ng-switch-when="access_denied">Self-registration is disabled. Please contact the system admin to grant access.</div>
+</div>
+
 <a href="/authorize" target="_self">Login</a>