🎉 first commit

app/routes/api.upload/route.tsx

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+import { type ActionFunctionArgs } from '@remix-run/node';
+import { requireAuth } from '~/lib/.server/auth';
+import { createScopedLogger } from '~/lib/.server/logger';
+import { storageProvider } from '~/lib/storage/index.server';
+import { errorResponse, successResponse } from '~/utils/api-response';
+
+const logger = createScopedLogger('api.upload');
+
+/**
+ * 处理文件上传请求
+ *
+ * 参数：
+ * - file: 要上传的文件
+ *
+ * 返回：
+ * - url: 文件访问URL
+ * - filename: 文件名
+ * - contentType: 文件类型
+ * - size: 文件大小（字节）
+ */
+export async function action({ request }: ActionFunctionArgs) {
+  try {
+    const authResult = await requireAuth(request, { isApi: true });
+    if (authResult instanceof Response) {
+      return authResult;
+    }
+
+    const userId = authResult.userInfo?.sub;
+    if (!userId) {
+      return errorResponse(401, '用户未登录');
+    }
+
+    if (request.method !== 'POST') {
+      return errorResponse(405, '不支持的请求方法');
+    }
+
+    // 获取上传的文件
+    const formData = await request.formData();
+    const file = formData.get('file');
+
+    if (!file || !(file instanceof File)) {
+      return errorResponse(400, '未找到有效的文件');
+    }
+
+    const maxFileSizeMB = process.env.MAX_UPLOAD_SIZE_MB ? parseInt(process.env.MAX_UPLOAD_SIZE_MB) : 5;
+    const maxFileSize = maxFileSizeMB * 1024 * 1024;
+
+    if (file.size > maxFileSize) {
+      return errorResponse(413, `文件大小超过限制，最大允许${maxFileSizeMB}MB`);
+    }
+
+    const fileBuffer = Buffer.from(await file.arrayBuffer());
+    const result = await storageProvider.uploadFile({
+      userId,
+      contentType: file.type || 'application/octet-stream',
+      filename: file.name,
+      data: fileBuffer,
+    });
+
+    return successResponse(
+      {
+        url: storageProvider.getFileUrl(userId, result.filename),
+        filename: result.filename,
+        contentType: result.contentType,
+        size: result.size,
+      },
+      '文件上传成功',
+    );
+  } catch (error) {
+    logger.error('文件上传失败:', error);
+    return errorResponse(500, '文件上传失败');
+  }
+}