#4: Comments can now be posted from a photo page in the gallery, and are saved in the database in the photo_comments table.

app/Http/Controllers/Gallery/PhotoCommentController.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Http\Controllers\Gallery;
+
+use App\Facade\UserConfig;
+use App\Helpers\DbHelper;
+use App\Http\Controllers\Controller;
+use App\PhotoComment;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\App;
+use Illuminate\Support\Facades\Auth;
+
+class PhotoCommentController extends Controller
+{
+    public function store(Request $request, $albumUrlAlias, $photoFilename)
+    {
+        $album = DbHelper::getAlbumByPath($albumUrlAlias);
+        if (is_null($album))
+        {
+            App::abort(404);
+            return null;
+        }
+
+        $this->authorizeForUser($this->getUser(), 'view', $album);
+
+        $photo = PhotoController::loadPhotoByAlbumAndFilename($album, $photoFilename);
+
+        if (!UserConfig::get('allow_photo_comments'))
+        {
+            // Not allowed to post comments - redirect back to URL
+            return redirect($photo->url());
+        }
+
+        $comment = new PhotoComment();
+        $comment->photo_id = $photo->id;
+        $comment->fill($request->only(['commentor_email', 'commentor_name', 'comment_text']));
+
+        $user = $this->getUser();
+        if (!is_null($user) && !$user->isAnonymous())
+        {
+            $comment->created_user_id = $user->id;
+        }
+
+        $comment->save();
+
+        $request->getSession()->flash('success', trans('gallery.photo_comment_posted_successfully'));
+
+        return redirect($photo->url());
+    }
+}

app/Http/Controllers/Gallery/PhotoController.php

@@ -157,7 +157,8 @@ class PhotoController extends Controller
             'is_original_allowed' => $isOriginalAllowed,
             'next_photo' => $nextPhoto,
             'photo' => $photo,
-            'previous_photo' => $previousPhoto
+            'previous_photo' => $previousPhoto,
+            'success' => $request->getSession()->get('success')
         ]);
     }
 

app/Photo.php

@@ -77,6 +77,14 @@ class Photo extends Model
         return $this->belongsToMany(Label::class, 'photo_labels');
     }
 
+    public function postCommentUrl()
+    {
+        return route('postPhotoComment', [
+            'albumUrlAlias' => $this->album->url_path,
+            'photoFilename' => $this->storage_file_name
+        ]);
+    }
+
     public function thumbnailUrl($thumbnailName = null, $cacheBust = true)
     {
         $url = $this->album->getAlbumSource()->getUrlToPhoto($this, $thumbnailName);

app/PhotoComment.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class PhotoComment extends Model
+{
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array
+     */
+    protected $fillable = [
+        'commentor_name',
+        'commentor_email',
+        'comment_text'
+    ];
+}