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import tempfile
import os
from zipfile import ZipFile
from io import BytesIO as string_io
from django.http import HttpResponse
from django.shortcuts import render
from django.contrib.auth.decorators import login_required
from django.contrib import messages
from upload.utils import upload_course, write_course_to_file
def upload_course_md(request):
if request.method == 'POST':
status = False
msg = None
user = request.user
course_upload_file = request.FILES.get('course_upload_md')
file_extension = os.path.splitext(course_upload_file.name)[1][1:]
if file_extension not in ['zip']:
messages.warning(
request, "Please upload zip file"
)
else:
curr_dir = os.getcwd()
try:
with tempfile.TemporaryDirectory() as tmpdirname, ZipFile(course_upload_file, 'r') as zip_file:
zip_file.extractall(tmpdirname)
os.chdir(tmpdirname)
status, msg = upload_course(user)
except Exception as e:
import traceback
traceback.print_exc()
messages.warning(request, f"Error parsing file structure: {e}")
finally:
os.chdir(curr_dir)
return status, msg
def download_course_md(request, course_id):
curr_dir = os.getcwd()
zip_file_name = string_io()
try:
with tempfile.TemporaryDirectory() as tmpdirname, ZipFile(zip_file_name, 'w') as zip_file:
os.chdir(tmpdirname)
write_course_to_file(course_id)
for foldername, subfolders, filenames in os.walk(tmpdirname):
for filename in filenames:
zip_file.write(os.path.join(filename))
except Exception as e:
messages.warning(request, f"Error while downloading file: {e}")
finally:
os.chdir(curr_dir)
zip_file_name.seek(0)
response = HttpResponse(content_type='application/zip')
response['Content-Disposition'] = 'attachment; filename=course.zip'
response.write(zip_file_name.read())
return response
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