162 lines
6.0 KiB
Python
162 lines
6.0 KiB
Python
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 pydantic import BaseModel, EmailStr, Field
|
|
from typing import Dict, List, Optional, Set, Union
|
|
|
|
from app.lib_general import log, logging
|
|
from app.config import settings
|
|
from app.db_sql import sql_insert, sql_update, sql_insert_or_update, sql_select, sql_delete, redis_lookup_id_random
|
|
|
|
# from .api_crud import delete_obj_template, get_obj_template, get_obj_li_template, patch_obj_template, post_obj_template
|
|
|
|
from app.models.hosted_file_models import Hosted_File_Base
|
|
from app.models.response_models import mk_resp
|
|
|
|
|
|
router = APIRouter()
|
|
|
|
|
|
# This just needs to return the currect model for a hosted_file
|
|
# Everything else seems to be working well
|
|
# Should this also do something with meta data and updating the DB?
|
|
@router.post('/upload_files/')
|
|
async def create_upload_files(
|
|
file_list: List[UploadFile] = File(...),
|
|
account_id: str = Form(..., min_length=1, max_length=22),
|
|
# filename: Optional[str] = Form(...),
|
|
for_object_type: str = Form(...),
|
|
for_object_id: str = Form(..., min_length=1, max_length=22),
|
|
x_account_id: Optional[str] = Header(..., ),
|
|
return_obj: Optional[bool] = True,
|
|
by_alias: Optional[bool] = True,
|
|
exclude_unset: Optional[bool] = True,
|
|
):
|
|
|
|
account_id_random = account_id # This is for the account random str ID
|
|
if account_id := redis_lookup_id_random(record_id_random=account_id, table_name='account'): pass
|
|
else:
|
|
return mk_resp(data=None, status_code=400)
|
|
|
|
for_object_type = for_object_type
|
|
for_object_id_random = for_object_id # This is for the object random str ID
|
|
if for_object_id := redis_lookup_id_random(record_id_random=for_object_id, table_name=for_object_type): pass
|
|
else:
|
|
return mk_resp(data=None, status_code=400)
|
|
|
|
# file_info_li = await save_file_li(file_list, for_object_type, for_object_id, for_object_id_random)
|
|
|
|
file_info_list = []
|
|
for file_obj in file_list:
|
|
file_info = await save_file(file=file_obj, account_id=account_id, account_id_random=account_id_random, for_object_type=for_object_type, for_object_id=for_object_id, for_object_id_random=for_object_id_random)
|
|
file_info_list.append(file_info)
|
|
|
|
log.debug(file_info_list)
|
|
return mk_resp(data=file_info_list)
|
|
|
|
|
|
async def save_file(
|
|
file: UploadFile,
|
|
account_id: int,
|
|
account_id_random: str,
|
|
for_object_type: str,
|
|
for_object_id: int,
|
|
for_object_id_random: str,
|
|
):
|
|
log.setLevel(logging.WARNING) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
|
|
log.debug(locals())
|
|
|
|
hosted_file_path = '/home/scott/tmp/hosted_file_dev/'
|
|
|
|
log.debug(shutil.disk_usage(hosted_file_path))
|
|
|
|
log.debug(dir(file))
|
|
log.debug(f'{file.filename}')
|
|
|
|
file_info = {}
|
|
file_info['for_object_type'] = for_object_type
|
|
file_info['for_object_id'] = for_object_id
|
|
file_info['for_object_id_random'] = for_object_id_random
|
|
file_info['filename'] = file.filename
|
|
file_info['extension'] = guess_file_extension(filename=file.filename)
|
|
|
|
# There is a difference between Content-Type and MIME type.
|
|
# https://stackoverflow.com/questions/3452381/whats-the-difference-of-contenttype-and-mimetype
|
|
file_info['content_type'] = file.content_type # might also include charset or other parameters
|
|
# file_info['mimetype'] = file.mimetype # This may need to be filled in a different way?
|
|
|
|
file.file.seek(0, os.SEEK_END)
|
|
file_size = file.file.tell()
|
|
file.file.seek(0) # The file will not properly save if seek is not reset to 0.
|
|
log.debug(file_size)
|
|
file_info['size'] = file_size
|
|
|
|
file_hash = await get_file_object_hash(file.file)
|
|
log.debug(file_hash)
|
|
file_info['hash_sha256'] = file_hash
|
|
|
|
# 16384 bytes is the default
|
|
# 4096 8192 16384 32768 65536 131072 262144 524288 1048576 bytes
|
|
buffer_size = 524288
|
|
|
|
#f_src = open(file_src, 'rb')
|
|
f_src = file.file # Don't need to do open(file_src, 'rb') since it is already "open"
|
|
|
|
#file_dest = f'{hosted_file_path}{file.filename}'
|
|
file_dest = f'{hosted_file_path}{file_hash}.file'
|
|
|
|
existing_file_check = pathlib.Path(file_dest)
|
|
|
|
if existing_file_check.exists():
|
|
file_info['already_exists'] = True
|
|
file_info['copy_timer'] = 0
|
|
else:
|
|
file_info['already_exists'] = False
|
|
f_dest = open(file_dest, 'wb')
|
|
|
|
timer_start = time.process_time()
|
|
shutil.copyfileobj(f_src, f_dest, buffer_size)
|
|
timer_end = time.process_time()
|
|
elapsed_time = timer_end - timer_start
|
|
log.debug(f'Elapsed time: {elapsed_time}')
|
|
file_info['copy_timer'] = elapsed_time
|
|
|
|
log.debug(shutil.disk_usage(hosted_file_path))
|
|
|
|
return file_info
|
|
|
|
|
|
async def get_file_object_hash(file_object:File):
|
|
#log.setLevel(logging.WARNING) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
|
|
log.debug(locals())
|
|
|
|
# 4096 bytes is the current block size on my workstation and Linode server
|
|
# 4096 8192 16384 32768 65536 131072 262144 524288 1048576 bytes
|
|
block_size = 131072
|
|
hash_value = hashlib.sha256()
|
|
|
|
timer_start = time.process_time()
|
|
for chunk in iter(lambda: file_object.read(block_size), b""):
|
|
hash_value.update(chunk)
|
|
file_hash = hash_value.hexdigest()
|
|
file_object.seek(0) # The file will not properly save if seek is not reset to 0.
|
|
timer_end = time.process_time()
|
|
elapsed_time = timer_end - timer_start
|
|
log.debug(f'Elapsed time: {elapsed_time}')
|
|
|
|
return file_hash
|
|
|
|
|
|
# def allowed_file_extension(filename):
|
|
# return False
|
|
# return '.' in filename and filename.rsplit('.', 1)[1].lower() in app.config['ALLOWED_EXTENSIONS']
|
|
|
|
|
|
def guess_file_extension(filename:str):
|
|
return filename.rsplit('.', 1)[1].lower()
|
|
|
|
# def copyLargeFile(src, dest, buffer_size=16000):
|
|
# with open(src, 'rb') as fsrc:
|
|
# with open(dest, 'wb') as fdest:
|
|
# shutil.copyfileobj(fsrc, fdest, buffer_size) |