OpenSlides/openslides/motions/projector.py

135 lines
5.2 KiB
Python

import re
from typing import Generator, Type
from ..core.config import config
from ..core.exceptions import ProjectorException
from ..utils.projector import ProjectorElement
from .models import Motion, MotionBlock, MotionChangeRecommendation, Workflow
class MotionSlide(ProjectorElement):
"""
Slide definitions for Motion model.
"""
name = 'motions/motion'
def check_data(self):
if not Motion.objects.filter(pk=self.config_entry.get('id')).exists():
raise ProjectorException('Motion does not exist.')
def get_requirements(self, config_entry):
try:
motion = Motion.objects.get(pk=config_entry.get('id'))
except Motion.DoesNotExist:
# Motion does not exist. Just do nothing.
pass
else:
yield motion
yield motion.agenda_item
yield motion.state.workflow
yield from self.required_motions_for_state_and_recommendation(motion)
yield from motion.submitters.all()
yield from motion.supporters.all()
yield from MotionChangeRecommendation.objects.filter(motion_version=motion.get_active_version().id)
def required_motions_for_state_and_recommendation(self, motion):
"""
Returns a list of motions needed for the projector, because they are mentioned
in additional fieds for the state and recommendation.
Keep the motion_syntax syncronized with the MotionStateAndRecommendationParser on the client.
"""
# get the comments field for state and recommendation
motion_syntax = re.compile('\[motion:(\d+)\]')
fields = config['motions_comments']
state_field_id = None
recommendation_field_id = None
for id, field in fields.items():
if field.get('forState', False):
state_field_id = id
if field.get('forRecommendation', False):
recommendation_field_id = id
# extract all mentioned motions from the state and recommendation
motion_ids = set()
if state_field_id is not None:
state_text = motion.comments.get(state_field_id)
motion_ids.update([int(id) for id in motion_syntax.findall(state_text)])
if recommendation_field_id is not None:
recommendation_text = motion.comments.get(recommendation_field_id)
motion_ids.update([int(id) for id in motion_syntax.findall(recommendation_text)])
# return all motions
return Motion.objects.filter(pk__in=motion_ids)
def get_collection_elements_required_for_this(self, collection_element, config_entry):
output = super().get_collection_elements_required_for_this(collection_element, config_entry)
# Full update if motion changes because then we may have new
# submitters or supporters and therefor need new users.
#
# Add some logic here if we support live changing of workflows later.
#
if collection_element.collection_string == Motion.get_collection_string() and collection_element.id == config_entry.get('id'):
output.extend(self.get_requirements_as_collection_elements(config_entry))
return output
def update_data(self):
data = None
try:
motion = Motion.objects.get(pk=self.config_entry.get('id'))
except Motion.DoesNotExist:
# Motion does not exist, so just do nothing.
pass
else:
data = {'agenda_item_id': motion.agenda_item_id}
return data
class MotionBlockSlide(ProjectorElement):
"""
Slide definitions for a block of motions (MotionBlock model).
"""
name = 'motions/motion-block'
def check_data(self):
if not MotionBlock.objects.filter(pk=self.config_entry.get('id')).exists():
raise ProjectorException('MotionBlock does not exist.')
def get_requirements(self, config_entry):
try:
motion_block = MotionBlock.objects.get(pk=config_entry.get('id'))
except MotionBlock.DoesNotExist:
# MotionBlock does not exist. Just do nothing.
pass
else:
yield motion_block
yield motion_block.agenda_item
yield from motion_block.motion_set.all()
yield from Workflow.objects.all()
def get_collection_elements_required_for_this(self, collection_element, config_entry):
output = super().get_collection_elements_required_for_this(collection_element, config_entry)
# Send all changed motions to the projector, because it may be appended
# or removed from the block.
if collection_element.collection_string == Motion.get_collection_string():
output.append(collection_element)
return output
def update_data(self):
data = None
try:
motion_block = MotionBlock.objects.get(pk=self.config_entry.get('id'))
except MotionBlock.DoesNotExist:
# MotionBlock does not exist, so just do nothing.
pass
else:
data = {'agenda_item_id': motion_block.agenda_item_id}
return data
def get_projector_elements() -> Generator[Type[ProjectorElement], None, None]:
yield MotionSlide
yield MotionBlockSlide