def process_course(extract_path, f, mod_name, request, user):
xml_path = os.path.join(extract_path, mod_name, "module.xml")
# check that the module.xml file exists
if not os.path.isfile(xml_path):
messages.info(request, _("Zip file does not contain a module.xml file"), extra_tags="danger")
return False, 400
# parse the module.xml file
doc = xml.dom.minidom.parse(xml_path)
meta_info = parse_course_meta(doc)
new_course = False
oldsections = []
old_course_filename = None
# Find if course already exists
try:
course = Course.objects.get(shortname=meta_info['shortname'])
# check that the current user is allowed to wipe out the other course
if course.user != user:
messages.info(request, _("Sorry, only the original owner may update this course"))
return False, 401
# check if course version is older
if course.version > meta_info['versionid']:
messages.info(request, _("A newer version of this course already exists"))
return False, 400
# obtain the old sections
oldsections = list(Section.objects.filter(course=course).values_list('pk', flat=True))
# wipe out old media
oldmedia = Media.objects.filter(course=course)
oldmedia.delete()
old_course_filename = course.filename
course.lastupdated_date = timezone.now()
except Course.DoesNotExist:
course = Course()
course.is_draft = True
new_course = True
course.shortname = meta_info['shortname']
course.title = meta_info['title']
course.description = meta_info['description']
course.version = meta_info['versionid']
course.user = user
course.filename = f.name
course.save()
# save gamification events
if 'gamification' in meta_info:
events = parse_gamification_events(meta_info['gamification'])
# remove anything existing for this course
CourseGamificationEvent.objects.filter(course=course).delete()
# add new
for event in events:
e = CourseGamificationEvent(user=user, course=course, event=event['name'], points=event['points'])
e.save()
process_quizzes_locally = False
if 'exportversion' in meta_info and meta_info['exportversion'] >= settings.OPPIA_EXPORT_LOCAL_MINVERSION:
process_quizzes_locally = True
print('processing course\'s quizzes locally')
parse_course_contents(request, doc, course, user, new_course, process_quizzes_locally)
clean_old_course(request, oldsections, old_course_filename, course)
tmp_path = replace_zip_contents(xml_path, doc, mod_name, extract_path)
# Extract the final file into the courses area for preview
zipfilepath = settings.COURSE_UPLOAD_DIR + f.name
shutil.copy(tmp_path + ".zip", zipfilepath)
course_preview_path = settings.MEDIA_ROOT + "courses/"
ZipFile(zipfilepath).extractall(path=course_preview_path)
return course, 200
def process_course(extract_path, f, mod_name, request, user):
xml_path = os.path.join(extract_path, mod_name, "module.xml")
# check that the module.xml file exists
if not os.path.isfile(xml_path):
msg_text = _(u"Zip file does not contain a module.xml file")
messages.info(request, msg_text, extra_tags="danger")
CoursePublishingLog(user=user, action="no_module_xml",
data=msg_text).save()
return False, 400
# parse the module.xml file
doc = ET.parse(xml_path)
meta_info = parse_course_meta(doc)
new_course = False
oldsections = []
old_course_filename = None
# Find if course already exists
try:
course = Course.objects.get(shortname=meta_info['shortname'])
course_manager = CoursePermissions.objects.filter(
user=user, course=course, role=CoursePermissions.MANAGER).count()
# check that the current user is allowed to wipe out the other course
if course.user != user and course_manager == 0:
msg_text = \
_(u"Sorry, you do not have permissions to update this course.")
messages.info(request, msg_text)
CoursePublishingLog(course=course,
new_version=meta_info['versionid'],
old_version=course.version,
user=user,
action="permissions_error",
data=msg_text).save()
return False, 401
# check if course version is older
if course.version > meta_info['versionid']:
msg_text = _(u"A newer version of this course already exists")
messages.info(request, msg_text)
CoursePublishingLog(course=course,
new_version=meta_info['versionid'],
old_version=course.version,
user=user,
action="newer_version_exists",
data=msg_text).save()
return False, 400
# obtain the old sections
oldsections = list(
Section.objects.filter(course=course).values_list('pk', flat=True))
# wipe out old media
oldmedia = Media.objects.filter(course=course)
oldmedia.delete()
old_course_filename = course.filename
course.lastupdated_date = timezone.now()
except Course.DoesNotExist:
course = Course()
course.is_draft = True
new_course = True
old_course_version = course.version
course.shortname = meta_info['shortname']
course.title = meta_info['title']
course.description = meta_info['description']
course.version = meta_info['versionid']
course.priority = int(meta_info['priority'])
course.user = user
course.filename = f.name
course.save()
if not parse_course_contents(request, doc, course, user, new_course):
return False, 500
clean_old_course(request, user, oldsections, old_course_filename, course)
# save gamification events
if 'gamification' in meta_info:
events = parse_gamification_events(meta_info['gamification'])
for event in events:
# Only add events if the didn't exist previously
e, created = CourseGamificationEvent.objects.get_or_create(
course=course,
event=event['name'],
defaults={
'points': event['points'],
'user': user
})
if created:
msg_text = \
_(u'Gamification for "%(event)s" at course level added') \
% {'event': e.event}
messages.info(request, msg_text)
CoursePublishingLog(course=course,
new_version=meta_info['versionid'],
old_version=old_course_version,
user=user,
action="gamification_added",
data=msg_text).save()
tmp_path = replace_zip_contents(xml_path, doc, mod_name, extract_path)
# Extract the final file into the courses area for preview
zipfilepath = os.path.join(settings.COURSE_UPLOAD_DIR, f.name)
shutil.copy(tmp_path + ".zip", zipfilepath)
course_preview_path = os.path.join(settings.MEDIA_ROOT, "courses")
ZipFile(zipfilepath).extractall(path=course_preview_path)
writer = GamificationXMLWriter(course)
writer.update_gamification(request.user)
return course, 200
def handle_uploaded_file(f, extract_path, request, user):
zipfilepath = settings.COURSE_UPLOAD_DIR + f.name
with open(zipfilepath, 'wb+') as destination:
for chunk in f.chunks():
destination.write(chunk)
zip = zipfile.ZipFile(zipfilepath)
zip.extractall(path=extract_path)
mod_name = ''
for dir in os.listdir(extract_path)[:1]:
mod_name = dir
# check there is at least a sub dir
if mod_name == '':
messages.info(request, _("Invalid course zip file"))
return False
# check that the
if not os.path.isfile(os.path.join(extract_path, mod_name, "module.xml")):
messages.info(request,
_("Zip file does not contain a module.xml file"))
return False
# parse the module.xml file
print extract_path
print mod_name
doc = xml.dom.minidom.parse(
os.path.join(extract_path, mod_name, "module.xml"))
for meta in doc.getElementsByTagName("meta")[:1]:
versionid = 0
for v in meta.getElementsByTagName("versionid")[:1]:
versionid = int(v.firstChild.nodeValue)
temp_title = {}
for t in meta.childNodes:
if t.nodeName == "title":
temp_title[t.getAttribute('lang')] = t.firstChild.nodeValue
title = json.dumps(temp_title)
temp_description = {}
for t in meta.childNodes:
if t.nodeName == "description":
if t.firstChild is not None:
temp_description[t.getAttribute(
'lang')] = t.firstChild.nodeValue
else:
temp_description[t.getAttribute('lang')] = None
description = json.dumps(temp_description)
shortname = ''
for sn in meta.getElementsByTagName("shortname")[:1]:
shortname = sn.firstChild.nodeValue
old_course_filename = None
# Find if course already exists
try:
print shortname
course = Course.objects.get(shortname=shortname)
old_course_filename = course.filename
# check that the current user is allowed to wipe out the other course
if course.user != user:
messages.info(
request,
_("Sorry, only the original owner may update this course"))
return False
# check if course version is older
if course.version > versionid:
messages.info(request,
_("A newer version of this course already exists"))
return False
# wipe out the old sections/activities/media
oldsections = Section.objects.filter(course=course)
oldsections.delete()
oldmedia = Media.objects.filter(course=course)
oldmedia.delete()
course.shortname = shortname
course.title = title
course.description = description
course.version = versionid
course.user = user
course.filename = f.name
course.lastupdated_date = timezone.now()
course.save()
except Course.DoesNotExist:
course = Course()
course.shortname = shortname
course.title = title
course.description = description
course.version = versionid
course.user = user
course.filename = f.name
course.is_draft = True
course.save()
# add in any baseline activities
for meta in doc.getElementsByTagName("meta")[:1]:
if meta.getElementsByTagName("activity").length > 0:
section = Section()
section.course = course
section.title = '{"en": "Baseline"}'
section.order = 0
section.save()
for a in meta.getElementsByTagName("activity"):
parse_and_save_activity(section, a, True)
# add all the sections
for structure in doc.getElementsByTagName("structure")[:1]:
if structure.getElementsByTagName("section").length == 0:
messages.info(
request,
_("There don't appear to be any activities in this upload file."
))
course.delete()
return False
for s in structure.getElementsByTagName("section"):
temp_title = {}
for t in s.childNodes:
if t.nodeName == 'title':
temp_title[t.getAttribute('lang')] = t.firstChild.nodeValue
title = json.dumps(temp_title)
section = Section()
section.course = course
section.title = title
section.order = s.getAttribute("order")
section.save()
# add all the activities
for activities in s.getElementsByTagName("activities")[:1]:
for a in activities.getElementsByTagName("activity"):
parse_and_save_activity(section, a, False)
# add all the media
for file in doc.lastChild.lastChild.childNodes:
if file.nodeName == 'file':
media = Media()
media.course = course
media.filename = file.getAttribute("filename")
media.download_url = file.getAttribute("download_url")
media.digest = file.getAttribute("digest")
# get any optional attributes
for attrName, attrValue in file.attributes.items():
if attrName == "length":
media.media_length = attrValue
if attrName == "filesize":
media.filesize = attrValue
media.save()
if old_course_filename is not None and old_course_filename != course.filename:
try:
os.remove(settings.COURSE_UPLOAD_DIR + old_course_filename)
except OSError:
pass
# Extract the final file into the courses area for preview
zipfilepath = settings.COURSE_UPLOAD_DIR + f.name
with open(zipfilepath, 'wb+') as destination:
for chunk in f.chunks():
destination.write(chunk)
zip = zipfile.ZipFile(zipfilepath)
course_preview_path = settings.MEDIA_ROOT + "courses/"
zip.extractall(path=course_preview_path)
# remove the temp upload files
shutil.rmtree(extract_path, ignore_errors=True)
return course
def handle_uploaded_file(f, extract_path, request):
zipfilepath = settings.COURSE_UPLOAD_DIR + f.name
with open(zipfilepath, 'wb+') as destination:
for chunk in f.chunks():
destination.write(chunk)
zip = zipfile.ZipFile(zipfilepath)
zip.extractall(path=extract_path)
mod_name = ''
for dir in os.listdir(extract_path)[:1]:
mod_name = dir
# check there is at least a sub dir
if mod_name == '':
messages.info(request,_("Invalid course zip file"))
return False
# check that the
if not os.path.isfile(extract_path + mod_name + "/module.xml"):
messages.info(request,_("Zip file does not contain a module.xml file"))
return False
# parse the module.xml file
doc = xml.dom.minidom.parse(extract_path + mod_name + "/module.xml")
for meta in doc.getElementsByTagName("meta")[:1]:
versionid = 0
for v in meta.getElementsByTagName("versionid")[:1]:
versionid = int(v.firstChild.nodeValue)
temp_title = {}
for t in meta.childNodes:
if t.nodeName == "title":
temp_title[t.getAttribute('lang')] = t.firstChild.nodeValue
title = json.dumps(temp_title)
temp_description = {}
for t in meta.childNodes:
if t.nodeName == "description":
if t.firstChild is not None:
temp_description[t.getAttribute('lang')] = t.firstChild.nodeValue
else:
temp_description[t.getAttribute('lang')] = None
description = json.dumps(temp_description)
shortname = ''
for sn in meta.getElementsByTagName("shortname")[:1]:
shortname = sn.firstChild.nodeValue
old_course_filename = None
# Find if course already exists
try:
course = Course.objects.get(shortname = shortname)
old_course_filename = course.filename
old_course_version = course.version
# check that the current user is allowed to wipe out the other course
if course.user != request.user:
messages.info(request,_("Sorry, only the original owner may update this course"))
return False
# check if course version is older
if course.version > versionid:
messages.info(request,_("A newer version of this course already exists"))
return False
# wipe out the old sections/activities/media
oldsections = Section.objects.filter(course = course)
oldsections.delete()
oldmedia = Media.objects.filter(course = course)
oldmedia.delete()
course.shortname = shortname
course.title = title
course.description = description
course.version = versionid
course.user = request.user
course.filename = f.name
course.lastupdated_date = datetime.datetime.now()
course.save()
except Course.DoesNotExist:
course = Course()
course.shortname = shortname
course.title = title
course.description = description
course.version = versionid
course.user = request.user
course.filename = f.name
course.is_draft = True
course.save()
# add in any baseline activities
for meta in doc.getElementsByTagName("meta")[:1]:
if meta.getElementsByTagName("activity").length > 0:
section = Section()
section.course = course
section.title = '{"en": "Baseline"}'
section.order = 0
section.save()
for a in meta.getElementsByTagName("activity"):
activity_create(section, a,True)
# add all the sections
for structure in doc.getElementsByTagName("structure")[:1]:
if structure.getElementsByTagName("section").length == 0:
messages.info(request,_("There don't appear to be any activities in this upload file."))
course.delete()
return False
for s in structure.getElementsByTagName("section"):
temp_title = {}
for t in s.childNodes:
if t.nodeName == 'title':
temp_title[t.getAttribute('lang')] = t.firstChild.nodeValue
title = json.dumps(temp_title)
section = Section()
section.course = course
section.title = title
section.order = s.getAttribute("order")
section.save()
# add all the activities
for activities in s.getElementsByTagName("activities")[:1]:
for a in activities.getElementsByTagName("activity"):
activity_create(section, a,False)
# add all the media
for file in doc.lastChild.lastChild.childNodes:
if file.nodeName == 'file':
media = Media()
media.course = course
media.filename = file.getAttribute("filename")
media.download_url = file.getAttribute("download_url")
media.digest = file.getAttribute("digest")
# get any optional attributes
for attrName, attrValue in file.attributes.items():
if attrName == "length":
media.media_length = attrValue
if attrName == "filesize":
media.filesize = attrValue
media.save()
if old_course_filename is not None and old_course_filename != course.filename:
os.remove(settings.COURSE_UPLOAD_DIR + old_course_filename)
#Extract the final file into the courses area for preview
zipfilepath = settings.COURSE_UPLOAD_DIR + f.name
with open(zipfilepath, 'wb+') as destination:
for chunk in f.chunks():
destination.write(chunk)
zip = zipfile.ZipFile(zipfilepath)
course_preview_path = settings.MEDIA_ROOT + "courses/"
zip.extractall(path=course_preview_path)
return course