client/posts: add post deleting

client/html/post_edit_sidebar.tpl

@@ -76,6 +76,9 @@
                     <% if (ctx.canFeaturePosts) { %>
                         <li><a class='feature'>Feature this post on main page</a></li>
                     <% } %>
+                    <% if (ctx.canDeletePosts) { %>
+                        <li><a class='delete'>Delete this post</a></li>
+                    <% } %>
                 </ul>
             </section>
         <% } %>

client/js/controllers/post_controller.js

@@ -61,6 +61,8 @@ class PostController {
                     'submit', e => this._evtPostEdit(e));
                 this._view.sidebarControl.addEventListener(
                     'feature', e => this._evtPostFeature(e));
+                this._view.sidebarControl.addEventListener(
+                    'delete', e => this._evtPostDelete(e));
             }
             if (this._view.commentFormControl) {
                 this._view.commentFormControl.addEventListener(
@@ -115,6 +117,20 @@ class PostController {
             });
     }
 
+    _evtPostDelete(e) {
+        this._view.sidebarControl.disableForm();
+        this._view.sidebarControl.clearMessages();
+        e.detail.post.delete()
+            .then(() => {
+                misc.disableExitConfirmation();
+                const ctx = router.show('/posts');
+                ctx.controller.showSuccess('Post deleted.');
+            }, errorMessage => {
+                this._view.sidebarControl.showError(errorMessage);
+                this._view.sidebarControl.enableForm();
+            });
+    }
+
     _evtPostEdit(e) {
         this._view.sidebarControl.disableForm();
         this._view.sidebarControl.clearMessages();

client/js/controllers/post_list_controller.js

@@ -51,6 +51,10 @@ class PostListController {
         });
     }
 
+    showSuccess(message) {
+        this._pageController.showSuccess(message);
+    }
+
     get _massTagTags() {
         return (this._ctx.parameters.tag || '').split(/\s+/).filter(s => s);
     }

client/js/controls/post_edit_sidebar_control.js

@@ -89,6 +89,11 @@ class PostEditSidebarControl extends events.EventTarget {
                 'click', e => this._evtFeatureClick(e));
         }
 
+        if (this._deleteLinkNode) {
+            this._deleteLinkNode.addEventListener(
+                'click', e => this._evtDeleteClick(e));
+        }
+
         this._post.addEventListener(
             'changeContent', e => this._evtPostContentChange(e));
 
@@ -131,6 +136,16 @@ class PostEditSidebarControl extends events.EventTarget {
         }
     }
 
+    _evtDeleteClick(e) {
+        if (confirm('Are you sure you want to delete this post?')) {
+            this.dispatchEvent(new CustomEvent('delete', {
+                detail: {
+                    post: this._post,
+                },
+            }));
+        }
+    }
+
     _evtSubmit(e) {
         e.preventDefault();
         this.dispatchEvent(new CustomEvent('submit', {
@@ -207,6 +222,10 @@ class PostEditSidebarControl extends events.EventTarget {
         return this._formNode.querySelector('.management .feature');
     }
 
+    get _deleteLinkNode() {
+        return this._formNode.querySelector('.management .delete');
+    }
+
     enableForm() {
         views.enableForm(this._formNode);
     }

client/js/models/post.js

@@ -137,6 +137,20 @@ class Post extends events.EventTarget {
             });
     }
 
+    delete() {
+        return api.delete('/post/' + this._id)
+            .then(response => {
+                this.dispatchEvent(new CustomEvent('delete', {
+                    detail: {
+                        post: this,
+                    },
+                }));
+                return Promise.resolve();
+            }, response => {
+                return Promise.reject(response.description);
+            });
+    }
+
     setScore(score) {
         return api.put('/post/' + this._id + '/score', {score: score})
             .then(response => {