Merge pull request #804 from ankitjavalkar/crs-upload

Course upload and download with MD file formats

1 files changed, 62 insertions, 0 deletions

diff --git a/upload/views.py b/upload/views.py
new file mode 100644
index 0000000..fb80c07
--- /dev/null
+++ b/upload/views.py
@@ -0,0 +1,62 @@
+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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