112 lines
3.2 KiB
Python
112 lines
3.2 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Iterativ GmbH
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# http://www.iterativ.ch/
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#
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# Copyright (c) 2018 Iterativ GmbH. All rights reserved.
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#
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# Created on 25.09.18
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# @author: Ramon Wenger <ramon.wenger@iterativ.ch>
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import bleach
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import re
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from api.utils import get_object
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from assignments.models import Assignment
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from books.models import ContentBlock
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class AssignmentParameterException(Exception):
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pass
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def newlines_to_paragraphs(text):
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parts = re.split(r'[\r\n]+', text)
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paragraphs = ['<p>{}</p>'.format(p.strip()) for p in parts]
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return '\n'.join(paragraphs)
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ALLOWED_BLOCKS = (
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'text_block',
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'student_entry',
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'image_url_block',
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'link_block',
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'video_block',
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'assignment',
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'document_block',
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)
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def handle_content_block(content, context=None, module=None, allowed_blocks=ALLOWED_BLOCKS):
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# todo: add all the content blocks
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# todo: sanitize user inputs!
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if content['type'] not in allowed_blocks:
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return
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if content['type'] == 'text_block':
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return {
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'type': 'text_block',
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'value': {
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'text': newlines_to_paragraphs(bleach.clean(content['value']['text'], strip=True))
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}}
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elif content['type'] == 'assignment':
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if module is None:
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raise AssignmentParameterException('Module is missing for assignment') # todo: define better exception
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if context is None:
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raise AssignmentParameterException('Context is missing for assignment')
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value = content['value']
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if value.get('id') is not None:
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assignment = get_object(Assignment, value.get('id'))
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assignment.title = value.get('title')
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assignment.assignment = value.get('assignment')
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assignment.save()
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else:
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assignment = Assignment.objects.create(
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title=value.get('title'),
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assignment=value.get('assignment'),
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owner=context.user,
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module=module,
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user_created=True
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)
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return {
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'type': 'assignment',
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'value': {
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'assignment_id': assignment.id
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}}
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elif content['type'] == 'image_url_block':
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return {
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'type': 'image_url_block',
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'value': {
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'url': bleach.clean(content['value']['url'])
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}}
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elif content['type'] == 'link_block':
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return {
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'type': 'link_block',
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'value': {
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'text': bleach.clean(content['value']['text']),
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'url': bleach.clean(content['value']['url'])
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}
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}
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elif content['type'] == 'video_block':
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return {
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'type': 'video_block',
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'value': {
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'url': bleach.clean(content['value']['url'])
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}}
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elif content['type'] == 'document_block':
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return {
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'type': 'document_block',
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'value': {
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'url': bleach.clean(content['value']['url'])
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}}
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return None
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def set_user_defined_block_type(block_type):
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if block_type == ContentBlock.TASK.upper():
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return ContentBlock.TASK
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else:
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return ContentBlock.NORMAL
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