Feat: pptx and xlsx loader (#1118)

* perf: plan tip

* perf: upload size controller

* feat: add image ttl index

* feat: new upload file ux

* remove file

* feat: support read pptx

* feat: support xlsx

* fix: rerank docker flie

projects/app/src/web/common/file/api.ts

@@ -1,4 +1,4 @@
-import { GET, POST, PUT, DELETE } from '@/web/common/api/request';
+import { GET, POST } from '@/web/common/api/request';
 import type { UploadImgProps } from '@fastgpt/global/common/file/api.d';
 import { AxiosProgressEvent } from 'axios';
 
@@ -8,10 +8,16 @@ export const postUploadFiles = (
   data: FormData,
   onUploadProgress: (progressEvent: AxiosProgressEvent) => void
 ) =>
-  POST<string[]>('/common/file/upload', data, {
+  POST<string>('/common/file/upload', data, {
     timeout: 480000,
     onUploadProgress,
     headers: {
       'Content-Type': 'multipart/form-data; charset=utf-8'
     }
   });
+
+export const getPreviewFileContent = (data: { fileId: string; csvFormat: boolean }) =>
+  POST<{
+    previewContent: string;
+    totalLength: number;
+  }>('/common/file/previewContent', data);