Add view post link on published and updated posts

closes #1756

- adds a post url link to 'post updated' and 'post published' in editor
- adds join function in ghost paths
- adds a '/' detection to makeRoute method
- adds test for join function

mixins/editor-base-controller.js

@@ -182,8 +182,12 @@ EditorControllerMixin = Ember.Mixin.create(MarkerManager, {
     },
 
     showSaveNotification: function (prevStatus, status, delay) {
-        var message = this.messageMap.success.post[prevStatus][status];
+        var message = this.messageMap.success.post[prevStatus][status],
+            path = this.get('ghostPaths.url').join(this.get('config.blogUrl'), this.get('url'));
 
+        if (status === 'published') {
+            message += '&nbsp;<a href="' + path + '">View Post</a>';
+        }
         this.notifications.showSuccess(message, {delayed: delay});
     },
 

models/post.js

@@ -22,6 +22,7 @@ var Post = DS.Model.extend(NProgressSaveMixin, ValidationEngine, {
     published_at: DS.attr('moment-date'),
     published_by: DS.belongsTo('user', {async: true}),
     tags: DS.hasMany('tag', {embedded: 'always'}),
+    url: DS.attr('string'),
 
     // Computed post properties
 

utils/ghost-paths.js

@@ -1,12 +1,18 @@
 var makeRoute = function (root, args) {
-    var parts = Array.prototype.slice.call(args, 0).join('/'),
-        route = [root, parts].join('/');
+    var slashAtStart,
+        slashAtEnd,
+        parts,
+        route;
 
-    if (route.slice(-1) !== '/') {
-        route += '/';
-    }
+    slashAtStart = /^\//;
+    slashAtEnd = /\/$/;
+    route = root.replace(slashAtEnd, '');
+    parts = Array.prototype.slice.call(args, 0);
 
-    return route;
+    parts.forEach(function (part) {
+        route = [route, part.replace(slashAtStart, '').replace(slashAtEnd, '')].join('/');
+    });
+    return route += '/';
 };
 
 function ghostPaths() {
@@ -34,6 +40,16 @@ function ghostPaths() {
                 return makeRoute(apiRoot, arguments);
             },
 
+            join: function () {
+                if (arguments.length > 1) {
+                    return makeRoute(arguments[0], Array.prototype.slice.call(arguments, 1));
+                } else if (arguments.length === 1) {
+                    var arg = arguments[0];
+                    return arg.slice(-1) === '/' ? arg : arg + '/';
+                }
+                return '/';
+            },
+
             asset: assetUrl
         }
     };