Work on temporary hosted file downloads and export creation.

app/routers/hosted_file.py

@@ -2,6 +2,7 @@ from __future__ import annotations
 # import datetime, hashlib, os, pathlib, shutil, time
 #from datetime import datetime, time, timedelta
 from fastapi import APIRouter, Body, Depends, File, Form, Header, HTTPException, Query, Response, status, UploadFile
+from fastapi.responses import FileResponse
 from pydantic import BaseModel, EmailStr, Field
 from typing import Dict, List, Optional, Set, Union
 
@@ -428,3 +429,23 @@ async def get_hosted_file_obj(
     return mk_resp(data=hosted_file_dict, response=response)
     #return mk_resp(data=hosted_file_obj)
 # ### END ### API Hosted File ### get_hosted_file_obj() ###
+
+
+# ### BEGIN ### API Hosted File ### download_tmp() ###
+# Updated 2021-11-23
+@router.get('/download/{filename}', response_model=Resp_Body_Base)
+async def download_tmp(
+        filename: str = Query(..., min_length=4, max_length=100),
+        # x_account_id: str = Header(...),
+        by_alias: Optional[bool] = True,
+        exclude_unset: Optional[bool] = True,
+        response: Response = Response,
+        ):
+    log.setLevel(logging.DEBUG) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
+    log.debug(locals())
+
+    full_dest_path = 'admin/temp/order_line/order_line_list_2021-11-23_1310.xlsx'
+    filename = 'text.xlsx'
+
+    return FileResponse(full_dest_path, filename=filename)
+# ### END ### API Hosted File ### download_tmp() ###