feat: 支持上传及查看高清原图自定义头像

app/Http/Controllers/ChatController.php

@@ -714,7 +714,7 @@ class ChatController extends Controller
     public function uploadAvatar(Request $request): JsonResponse
     {
         $request->validate([
-            'file' => 'required|image|mimes:jpeg,png,jpg,gif,webp|max:2048',
+            'file' => 'required|image|mimes:jpeg,png,jpg,gif,webp|max:6144',
         ]);
 
         $user = Auth::user();
@@ -726,17 +726,22 @@ class ChatController extends Controller
 
         try {
             $manager = new ImageManager(new Driver);
-            $image = $manager->read($file);
-
-            // 裁剪正方形并压缩为 112x112
-            $image->cover(112, 112);
 
             // 生成相对路径
             $filename = 'custom_'.$user->id.'_'.time().'.'.$file->extension();
+            $originalFilename = 'custom_'.$user->id.'_'.time().'_original.'.$file->extension();
             $path = 'avatars/'.$filename;
+            $originalPath = 'avatars/'.$originalFilename;
 
-            // 保存以高质量 JPG 或原格式
-            Storage::disk('public')->put($path, (string) $image->encode());
+            // 1. 处理原图：限制最大宽度为 1280 以免过大，保存原比例高清大图
+            $originalImage = $manager->read($file);
+            $originalImage->scaleDown(width: 1280);
+            Storage::disk('public')->put($originalPath, (string) $originalImage->encode());
+
+            // 2. 处理缩略图：裁剪正方形并压缩为 112x112
+            $thumbImage = $manager->read($file);
+            $thumbImage->cover(112, 112);
+            Storage::disk('public')->put($path, (string) $thumbImage->encode());
 
             $dbValue = 'storage/'.$path;