#4: Added e-mail notifications to the album owner when a new comment has been approved, and to the comment poster when it is approved.

app/Http/Controllers/Gallery/PhotoCommentController.php

@@ -10,6 +10,8 @@ use App\Helpers\PermissionsHelper;
 use App\Http\Controllers\Controller;
 use App\Http\Requests\StorePhotoCommentRequest;
 use App\Mail\ModeratePhotoComment;
+use App\Mail\PhotoCommentApproved;
+use App\Mail\PhotoCommentApprovedUser;
 use App\Permission;
 use App\Photo;
 use App\PhotoComment;
@@ -38,7 +40,7 @@ class PhotoCommentController extends Controller
             return null;
         }
 
-        if (Gate::denies('moderate-comments', $photo))
+        if (!User::currentOrAnonymous()->can('moderate-comments', $photo))
         {
             App::abort(403);
             return null;
@@ -52,6 +54,7 @@ class PhotoCommentController extends Controller
                 $comment->approved_user_id = $this->getUser()->id;
                 $comment->save();
 
+                $this->notifyAlbumOwner($album, $photo, $comment);
                 $request->getSession()->flash('success', trans('gallery.photo_comment_approved_successfully'));
             }
             else if ($request->has('reject'))
@@ -124,7 +127,6 @@ class PhotoCommentController extends Controller
 
             if (is_null($parentComment))
             {
-                //TODO $request->getSession()->flash('success', trans('gallery.photo_comment_posted_successfully'));
                 return redirect($photo->url());
             }
         }
@@ -158,7 +160,7 @@ class PhotoCommentController extends Controller
 
             // Auto-approve the comment if we're allowed to moderate comments
             $isAutoApproved = false;
-            if (Gate::allows('moderate-comments', $photo))
+            if (User::currentOrAnonymous()->can('moderate-comments', $photo))
             {
                 $comment->approved_at = new \DateTime();
                 $comment->approved_user_id = $user->id;
@@ -179,27 +181,25 @@ class PhotoCommentController extends Controller
                 $isAutoApproved = true;
             }
 
+            $comment->save();
+
             // Send notification e-mails to moderators or album owner
             if (!$isAutoApproved)
             {
                 $this->notifyAlbumModerators($album, $photo, $comment);
-            }
-
-            $comment->save();
-
-            if ($isAutoApproved)
-            {
-                $request->getSession()->flash('success', trans('gallery.photo_comment_posted_successfully'));
+                $request->getSession()->flash('success', trans('gallery.photo_comment_posted_successfully_pending_moderation'));
             }
             else
             {
-                $request->getSession()->flash('success', trans('gallery.photo_comment_posted_successfully_pending_moderation'));
+                $this->notifyAlbumOwner($album, $photo, $comment);
+                $request->getSession()->flash('success', trans('gallery.photo_comment_posted_successfully'));
             }
 
             if ($request->isXmlHttpRequest())
             {
                 return response()->json(['redirect_url' => $photo->url()]);
-            } else
+            }
+            else
             {
                 return redirect($photo->url());
             }
@@ -275,6 +275,24 @@ class PhotoCommentController extends Controller
         }
     }
 
+    /**
+     * Sends an e-mail notification to an album's owned that a comment has been posted/approved.
+     * @param Album $album
+     * @param Photo $photo
+     * @param PhotoComment $comment
+     */
+    private function notifyAlbumOwner(Album $album, Photo $photo, PhotoComment $comment)
+    {
+        $owner = $album->user;
+
+        $poster = new User();
+        $poster->name = $comment->authorDisplayName();
+        $poster->email = $comment->authorEmail();
+
+        Mail::to($owner)->send(new PhotoCommentApproved($owner, $album, $photo, $comment));
+        Mail::to($poster)->send(new PhotoCommentApprovedUser($poster, $album, $photo, $comment));
+    }
+
     private function stripDisallowedHtmlTags($commentText)
     {
         $allowedHtmlTags = explode(',', UserConfig::get('photo_comments_allowed_html'));

app/Mail/PhotoCommentApproved.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Mail;
+
+use App\Album;
+use App\Facade\Theme;
+use App\Photo;
+use App\PhotoComment;
+use App\User;
+use Illuminate\Bus\Queueable;
+use Illuminate\Mail\Mailable;
+use Illuminate\Queue\SerializesModels;
+
+/**
+ * E-mail notification to the owner of an album that is sent when a new comment has been approved in their album.
+ * @package App\Mail
+ */
+class PhotoCommentApproved extends Mailable
+{
+    use Queueable, SerializesModels;
+
+    private $album;
+    private $comment;
+    private $photo;
+    private $user;
+
+    /**
+     * Create a new message instance.
+     *
+     * @return void
+     */
+    public function __construct(User $user, Album $album, Photo $photo, PhotoComment $comment)
+    {
+        $this->user = $user;
+        $this->album = $album;
+        $this->photo = $photo;
+        $this->comment = $comment;
+    }
+
+    /**
+     * Build the message.
+     *
+     * @return $this
+     */
+    public function build()
+    {
+        $subject = trans('email.photo_comment_approved_subject', ['album_name' => $this->album->name]);
+
+        return $this
+            ->subject($subject)
+            ->markdown(Theme::viewName('email.photo_comment_approved'))
+            ->with([
+                'album' => $this->album,
+                'comment' => $this->comment,
+                'photo'  => $this->photo,
+                'subject' => $subject,
+                'user' => $this->user
+            ]);
+    }
+}

app/Mail/PhotoCommentApprovedUser.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Mail;
+
+use App\Album;
+use App\Facade\Theme;
+use App\Photo;
+use App\PhotoComment;
+use App\User;
+use Illuminate\Bus\Queueable;
+use Illuminate\Mail\Mailable;
+use Illuminate\Queue\SerializesModels;
+
+/**
+ * E-mail notification to the poster of a comment that is sent when it has been approved.
+ * @package App\Mail
+ */
+class PhotoCommentApprovedUser extends Mailable
+{
+    use Queueable, SerializesModels;
+
+    private $album;
+    private $comment;
+    private $photo;
+    private $user;
+
+    /**
+     * Create a new message instance.
+     *
+     * @return void
+     */
+    public function __construct(User $user, Album $album, Photo $photo, PhotoComment $comment)
+    {
+        $this->user = $user;
+        $this->album = $album;
+        $this->photo = $photo;
+        $this->comment = $comment;
+    }
+
+    /**
+     * Build the message.
+     *
+     * @return $this
+     */
+    public function build()
+    {
+        $subject = trans('email.photo_comment_approved_user_subject', ['album_name' => $this->album->name]);
+
+        return $this
+            ->subject($subject)
+            ->markdown(Theme::viewName('email.photo_comment_approved_user'))
+            ->with([
+                'album' => $this->album,
+                'comment' => $this->comment,
+                'photo'  => $this->photo,
+                'subject' => $subject,
+                'user' => $this->user
+            ]);
+    }
+}

app/PhotoComment.php

@@ -22,6 +22,11 @@ class PhotoComment extends Model
         return is_null($this->createdBy) ? $this->name : $this->createdBy->name;
     }
 
+    public function authorEmail()
+    {
+        return is_null($this->createdBy) ? $this->email : $this->createdBy->email;
+    }
+
     public function children()
     {
         return $this->hasMany(PhotoComment::class, 'parent_comment_id');