def remove_course_updates(user, course):
"""
Remove any course updates in the specified course.
"""
updates_usage_key = get_course_info_usage_key(course, 'updates')
try:
course_updates = modulestore().get_item(updates_usage_key)
modulestore().delete_item(course_updates.location, user.id)
except (ItemNotFoundError, ValueError):
pass
def create_course_updates_block(course, user):
"""
Create a course updates block.
"""
updates_usage_key = get_course_info_usage_key(course, 'updates')
course_updates = modulestore().create_item(
user.id,
updates_usage_key.course_key,
updates_usage_key.block_type,
block_id=updates_usage_key.block_id)
course_updates.data = ''
return course_updates
def create_course_updates_block(self, course=None, user=None):
"""Create a course updates block."""
user = user or self.user
course = course or self.course
updates_usage_key = get_course_info_usage_key(course, 'updates')
course_updates = modulestore().create_item(
user.id,
updates_usage_key.course_key,
updates_usage_key.block_type,
block_id=updates_usage_key.block_id)
course_updates.data = ''
return course_updates
def create_course_update(course, user, content, date='December 31, 1999'):
"""
Creates a test welcome message for the specified course.
"""
updates_usage_key = get_course_info_usage_key(course, 'updates')
try:
course_updates = modulestore().get_item(updates_usage_key)
except ItemNotFoundError:
course_updates = create_course_updates_block(course, user)
course_updates.items.append({
"id": len(course_updates.items) + 1,
"date": date,
"content": content,
"status": STATUS_VISIBLE
})
modulestore().update_item(course_updates, user.id)
def edit_course_update(self,
index,
content=None,
course=None,
user=None,
date=None,
deleted=None):
"""Edits a course update item. Only changes explicitly provided parameters."""
user = user or self.user
course = course or self.course
updates_usage_key = get_course_info_usage_key(course, 'updates')
course_updates = modulestore().get_item(updates_usage_key)
for item in course_updates.items:
if item['id'] == index:
if date is not None:
item['date'] = date
if content is not None:
item['content'] = content
if deleted is not None:
item['status'] = 'deleted' if deleted else 'visible'
break
modulestore().update_item(course_updates, user.id)
def create_course_update(self,
content,
course=None,
user=None,
date='December 31, 1999',
deleted=False):
"""Creates a test welcome message for the specified course."""
user = user or self.user
course = course or self.course
updates_usage_key = get_course_info_usage_key(course, 'updates')
try:
course_updates = modulestore().get_item(updates_usage_key)
except ItemNotFoundError:
course_updates = self.create_course_updates_block(course=course,
user=user)
item = {
'id': len(course_updates.items) + 1,
'date': date,
'content': content,
'status': 'deleted' if deleted else 'visible',
}
course_updates.items.append(item)
modulestore().update_item(course_updates, user.id)
return item
