TwoToc code

[YouAndWeb_TwoToc] / client / components / auth / auth.service.js

diff --git a/client/components/auth/auth.service.js b/client/components/auth/auth.service.js
new file mode 100755 (executable)
index 0000000..d4b6b3f
--- /dev/null
+++ b/client/components/auth/auth.service.js
@@ -0,0 +1,170 @@
+'use strict';
+
+angular.module('dashboardApp')
+  .factory('Auth', function Auth($http, User, $cookies, $q) {
+    /**
+     * Return a callback or noop function
+     *
+     * @param  {Function|*} cb - a 'potential' function
+     * @return {Function}
+     */
+    var safeCb = function(cb) {
+      return (angular.isFunction(cb)) ? cb : angular.noop;
+    },
+
+    currentUser = {};
+
+    if ($cookies.get('token')) {
+      currentUser = User.get();
+    }
+
+    return {
+
+      /**
+       * Authenticate user and save token
+       *
+       * @param  {Object}   user     - login info
+       * @param  {Function} callback - optional, function(error, user)
+       * @return {Promise}
+       */
+      login: function(user, callback) {
+        return $http.post('/auth/local', {
+          email: user.email,
+          password: user.password
+        })
+        .then(function(res) {
+          $cookies.put('token', res.data.token);
+          currentUser = User.get();
+          return currentUser.$promise;
+        })
+        .then(function(user) {
+          safeCb(callback)(null, user);
+          return user;
+        })
+        .catch(function(err) {
+          this.logout();
+          safeCb(callback)(err.data);
+          return $q.reject(err.data);
+        }.bind(this));
+      },
+
+      /**
+       * Delete access token and user info
+       */
+      logout: function() {
+        $cookies.remove('token');
+        currentUser = {};
+      },
+
+      /**
+       * Create a new user
+       *
+       * @param  {Object}   user     - user info
+       * @param  {Function} callback - optional, function(error, user)
+       * @return {Promise}
+       */
+      createUser: function(user, callback) {
+        return User.save(user,
+          function(data) {
+            $cookies.put('token', data.token);
+            currentUser = User.get();
+            return safeCb(callback)(null, user);
+          },
+          function(err) {
+            this.logout();
+            return safeCb(callback)(err);
+          }.bind(this)).$promise;
+      },
+
+      /**
+       * Change password
+       *
+       * @param  {String}   oldPassword
+       * @param  {String}   newPassword
+       * @param  {Function} callback    - optional, function(error, user)
+       * @return {Promise}
+       */
+      changePassword: function(oldPassword, newPassword, callback) {
+        return User.changePassword({ id: currentUser._id }, {
+          oldPassword: oldPassword,
+          newPassword: newPassword
+        }, function() {
+          return safeCb(callback)(null);
+        }, function(err) {
+          return safeCb(callback)(err);
+        }).$promise;
+      },
+
+      /**
+       * Gets all available info on a user
+       *   (synchronous|asynchronous)
+       *
+       * @param  {Function|*} callback - optional, funciton(user)
+       * @return {Object|Promise}
+       */
+      getCurrentUser: function(callback) {
+        if (arguments.length === 0) {
+          return currentUser;
+        }
+
+        var value = (currentUser.hasOwnProperty('$promise')) ? currentUser.$promise : currentUser;
+        return $q.when(value)
+          .then(function(user) {
+            safeCb(callback)(user);
+            return user;
+          }, function() {
+            safeCb(callback)({});
+            return {};
+          });
+      },
+
+      /**
+       * Check if a user is logged in
+       *   (synchronous|asynchronous)
+       *
+       * @param  {Function|*} callback - optional, function(is)
+       * @return {Bool|Promise}
+       */
+      isLoggedIn: function(callback) {
+        if (arguments.length === 0) {
+          return currentUser.hasOwnProperty('role');
+        }
+
+        return this.getCurrentUser(null)
+          .then(function(user) {
+            var is = user.hasOwnProperty('role');
+            safeCb(callback)(is);
+            return is;
+          });
+      },
+
+       /**
+        * Check if a user is an admin
+        *   (synchronous|asynchronous)
+        *
+        * @param  {Function|*} callback - optional, function(is)
+        * @return {Bool|Promise}
+        */
+      isAdmin: function(callback) {
+        if (arguments.length === 0) {
+          return currentUser.role === 'admin';
+        }
+
+        return this.getCurrentUser(null)
+          .then(function(user) {
+            var is = user.role === 'admin';
+            safeCb(callback)(is);
+            return is;
+          });
+      },
+
+      /**
+       * Get auth token
+       *
+       * @return {String} - a token string used for authenticating
+       */
+      getToken: function() {
+        return $cookies.get('token');
+      }
+    };
+  });