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

packages/service/common/file/read/csv.ts

@@ -0,0 +1,21 @@
+import Papa from 'papaparse';
+import { ReadFileByBufferParams, ReadFileResponse } from './type.d';
+import { readFileRawText } from './rawText';
+
+// 加载源文件内容
+export const readCsvRawText = async (params: ReadFileByBufferParams): Promise<ReadFileResponse> => {
+  const { rawText } = readFileRawText(params);
+
+  const csvArr = Papa.parse(rawText).data as string[][];
+
+  const header = csvArr[0];
+
+  const formatText = header
+    ? csvArr.map((item) => item.map((item, i) => `${header[i]}:${item}`).join('\n')).join('\n')
+    : '';
+
+  return {
+    rawText,
+    formatText
+  };
+};