perf: 优化实现文件夹下载以及多文件压缩下载功能

app/Http/Controllers/Api/FileController.php

@@ -998,12 +998,18 @@ class FileController extends AbstractController
         }
 
         $files = [];
-        AbstractModel::transaction(function() use ($user, $ids, &$files) {
-            foreach ($ids as $id) {
-                $files[] = File::getFilesTree(intval($id), $user, 0);
+        $totalSize = 0;
+        AbstractModel::transaction(function() use ($user, $ids, &$files, &$totalSize) {
+            foreach ($ids as $k => $id) {
+                $files[] = File::getFilesTree(intval($id), $user, 1);
+                $totalSize += $files[$k]->totalSize;
             }
         });
 
+        if ($totalSize > File::zipMaxSize) {
+            throw new ApiException('文件总大小已超过1GB，请分批下载');
+        }
+
         return Base::retSuccess('success');
     }
 
@@ -1026,13 +1032,26 @@ class FileController extends AbstractController
         $user = User::auth();
         $ids = Request::input('ids');
 
+        if (!is_array($ids) || empty($ids)) {
+            abort(403, "Please select the file or folder to download.");
+        }
+        if (count($ids) > 100) {
+            abort(403, "You can download a maximum of 100 files or folders at a time.");
+        }
+
         $files = [];
-        AbstractModel::transaction(function() use ($user, $ids, &$files) {
-            foreach ($ids as $id) {
-                $files[] = File::getFilesTree(intval($id), $user, 0);
+        $totalSize = 0;
+        AbstractModel::transaction(function() use ($user, $ids, &$files, &$totalSize) {
+            foreach ($ids as $k => $id) {
+                $files[] = File::getFilesTree(intval($id), $user, 1);
+                $totalSize += $files[$k]->totalSize;
             }
         });
 
+        if ($totalSize > File::zipMaxSize) {
+            abort(403, "The total size of the file exceeds 1GB. Please download it in batches.");
+        }
+
         $zip = new \ZipArchive();
         // 下载文件名
         $downName = count($ids) > 1 ? 'file_'. date("YmdHis") : $files[0]->name;
@@ -1041,7 +1060,7 @@ class FileController extends AbstractController
         Base::makeDir(dirname($zipPath));
 
         if ($zip->open($zipPath, ZipArchive::CREATE | ZipArchive::OVERWRITE) !== true) {
-            return Base::retError('Failed to create compressed file');
+            abort(403, "Failed to create compressed file.");
         }
 
         array_walk($files, function($file) use ($zip) {

app/Models/File.php

@@ -95,6 +95,11 @@ class File extends AbstractModel
         'avi', 'mov', 'wmv', 'mkv', '3gp', 'rm',
     ];
 
+    /**
+     * 压缩包下载大小限制
+     */
+    const zipMaxSize = 1024 * 1024 * 1024; // 1G
+
 
     /**
      * 获取文件列表
@@ -838,7 +843,7 @@ class File extends AbstractModel
      *
      * @param int $fileId
      * @param User $user
-     * @param int $permission
+     * @param int $permission 0-访问权限、1-读写权限、1000-所有者或创建者
      * @param string $path
      * @param int $totalSize
      * @return object
@@ -861,11 +866,7 @@ class File extends AbstractModel
         } else {
             $totalSize += $file->size;
         }
-
-        if ($totalSize > 1024 * 1024 * 1024) { // 1GB
-            throw new ApiException('文件总大小已超过1GB，请分批下载');
-        }
-
+        $file->totalSize = $totalSize;
         return $file;
     }
 

resources/assets/js/pages/manage/file.vue

@@ -1434,7 +1434,6 @@ export default {
                             this.$store.dispatch('downUrl', $A.apiUrl(`file/download/zip?ids[]=${idsParam}`));
                         }).catch(({msg}) => {
                             $A.modalError(msg)
-                            reject(msg);
                         });
                     })