Add methods to get the file size and the mime type of cover photos

Author: BurntimeX

wcfsetup/install/files/lib/system/image/cover/photo/DefaultCoverPhoto.class.php

@@ -3,6 +3,7 @@
 namespace wcf\system\image\cover\photo;
 
 use wcf\system\style\StyleHandler;
+use wcf\util\FileUtil;
 
 /**
  * Represents the default cover photo as defined in the style configuration.
@@ -41,6 +42,18 @@ public function getHeight(?string $size = null): int
         return $this->getDimensions()['height'];
     }
 
+    #[\Override]
+    public function getFileSize(?string $size = null): int
+    {
+        return \filesize(StyleHandler::getInstance()->getStyle()->getCoverPhotoLocation());
+    }
+
+    #[\Override]
+    public function getMimeType(?string $size = null): string
+    {
+        return FileUtil::getMimeType(StyleHandler::getInstance()->getStyle()->getCoverPhotoLocation());
+    }
+
     /**
      * @return array{height: int, width: int}
      */

wcfsetup/install/files/lib/system/image/cover/photo/FileCoverPhoto.class.php

@@ -54,4 +54,31 @@ public function getHeight(?string $size = null): int
 
         return $this->file->height;
     }
+
+    #[\Override]
+    public function getFileSize(?string $size = null): int
+    {
+        if ($size !== null) {
+            $thumbnail = $this->file->getThumbnail($size);
+            if ($thumbnail !== null) {
+                return \filesize($thumbnail->getPathname());
+            }
+        }
+
+        return $this->file->fileSize;
+    }
+
+    #[\Override]
+    public function getMimeType(?string $size = null): string
+    {
+        if ($size !== null) {
+            $thumbnail = $this->file->getThumbnail($size);
+            if ($thumbnail !== null) {
+                // Thumbnails are always webp.
+                return 'image/webp';
+            }
+        }
+
+        return $this->file->mimeType;
+    }
 }

wcfsetup/install/files/lib/system/image/cover/photo/ICoverPhoto.class.php

@@ -17,4 +17,8 @@ public function getUrl(?string $size = null): string;
     public function getWidth(?string $size = null): int;
 
     public function getHeight(?string $size = null): int;
+
+    public function getFileSize(?string $size = null): int;
+
+    public function getMimeType(?string $size = null): string;
 }