I am newbee in Django. I have an app where I can upload multiple files. I would like to rename the file by including the username that is authenticated and the timestamp:
"bild.png" should become "bild_John_Bown_202204055.png"
I use the Microsoft Graph tutorial on Django to the authentication process ( https://learn.microsoft.com/en-us/graph/tutorials/python ). Anyone can help me to include that in my code. Thank you
from django.db import models
class UploadFiles(models.Model):
documents = models.FileField(upload_to='document/', blank=True, null=True)
uploaded_at = models.DateTimeField(auto_now_add=True)
from django import forms
from django.forms import ClearableFileInput
from .models import UploadFiles
class FilesForm(forms.ModelForm):
class Meta:
model = UploadFiles
fields = ['documents']
widgets = {'documents': ClearableFileInput(attrs={'multiple': True}),}
from django.shortcuts import render
from django.http import HttpResponse, HttpResponseRedirect
from django.urls import reverse
from base.auth_helper import get_sign_in_flow, get_token_from_code, store_user, remove_user_and_token, get_token
from base.login_helper import *
from django.core.files.storage import FileSystemStorage
from os import listdir
from os.path import isfile, join, getmtime
from django.conf import settings
from base.forms import FilesForm
from base.models import UploadFiles
def home(request):
context = initialize_context(request)
return render(request, 'home.html', context)
def initialize_context(request):
context = {}
# Check for any errors in the session
error = request.session.pop('flash_error', None)
if error != None:
context['errors'] = []
context['errors'].append(error)
# Check for user in the session
context['user'] = request.session.get('user', {'is_authenticated': False})
return context
def sign_in(request):
# Get the sign-in flow
flow = get_sign_in_flow()
# Save the expected flow so we can use it in the callback
try:
request.session['auth_flow'] = flow
except Exception as e:
print(e)
# Redirect to the Azure sign-in page
return HttpResponseRedirect(flow['auth_uri'])
def callback(request):
# Make the token request
result = get_token_from_code(request)
#Get the user's profile
user = get_user(result['access_token'])
# Store user
store_user(request, user)
return HttpResponseRedirect(reverse('home'))
def sign_out(request):
# Clear out the user and token
remove_user_and_token(request)
return HttpResponseRedirect(reverse('home'))
####################################################################
# UPLOAD
####################################################################
def upload(request):
context = initialize_context(request)
user = request.session.get('user').get('name')
print(user)
if request.method == 'POST':
form = FilesForm(request.POST, request.FILES)
files = request.FILES.getlist('documents')
if form.is_valid():
for f in files :
newfile = UploadFiles(documents=f)
newfile.save()
else:
form = FilesForm()
# Load files for the list page
files = UploadFiles.objects.all()
context['files'] = files
context['form'] = form
return render(request, 'base/upload.html', context)
Django docs explain it well: https://docs.djangoproject.com/en/4.0/topics/http/file-uploads/#basic-file-uploads
So, instead of newFile.save()
, do:
from datetime import datetime
filename = f'{newFile.filename}_{user.username}_{datetime.now().strftime("%Y%m%d)"}'
with open(filename, 'wb+') as destination:
for chunk in newFile.chunks():
destination.write(chunk)
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