def update_item_in_category(new_item, category_id, item_id):
# Check existences of category and item
category = Category.find_by_id(category_id)
if not category:
raise RecordNotFoundError('category', category_id)
item = category.items.filter_by(id=item_id).first()
if not item:
raise ItemNotFoundError(item_id)
# Check permission
if item.user.id != get_jwt_identity():
raise ForbiddenError()
# Save title of item for notification
old_title = item.title
# Check existences of item title
title = new_item.title
old_item = Item.find_by_title(title)
if old_item and old_item.id != item_id:
raise DuplicateValueError('item', 'title', title)
# Update final result
item.update_from_copy(new_item)
item.save_to_db()
return message('Item "{}" was updated.'.format(old_title))
def create_item_in_category(item, category_id):
# Check existences of category
category = Category.find_by_id(category_id)
if not category:
raise RecordNotFoundError('category', category_id)
# Fill necessary fields
item.user_id = get_jwt_identity()
item.category_id = category_id
# Check existences of item title
title = item.title
old_item = Item.find_by_title(title)
if old_item:
raise DuplicateValueError('item', 'title', title)
item.save_to_db()
return message('Item "{}" was created.'.format(item.title))
