100 lines
3.7 KiB
Python
100 lines
3.7 KiB
Python
from typing import Generator, Type
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from ..core.exceptions import ProjectorException
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from ..utils.projector import ProjectorElement
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from .models import Motion, MotionBlock, MotionChangeRecommendation, Workflow
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class MotionSlide(ProjectorElement):
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"""
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Slide definitions for Motion model.
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"""
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name = 'motions/motion'
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def check_data(self):
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if not Motion.objects.filter(pk=self.config_entry.get('id')).exists():
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raise ProjectorException('Motion does not exist.')
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def get_requirements(self, config_entry):
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try:
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motion = Motion.objects.get(pk=config_entry.get('id'))
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except Motion.DoesNotExist:
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# Motion does not exist. Just do nothing.
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pass
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else:
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yield motion
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yield motion.agenda_item
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yield motion.state.workflow
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yield from motion.submitters.all()
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yield from motion.supporters.all()
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yield from MotionChangeRecommendation.objects.filter(motion_version=motion.get_active_version().id)
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def get_collection_elements_required_for_this(self, collection_element, config_entry):
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output = super().get_collection_elements_required_for_this(collection_element, config_entry)
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# Full update if motion changes because then we may have new
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# submitters or supporters and therefor need new users.
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#
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# Add some logic here if we support live changing of workflows later.
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#
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if collection_element.collection_string == Motion.get_collection_string() and collection_element.id == config_entry.get('id'):
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output.extend(self.get_requirements_as_collection_elements(config_entry))
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return output
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def update_data(self):
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data = None
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try:
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motion = Motion.objects.get(pk=self.config_entry.get('id'))
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except Motion.DoesNotExist:
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# Motion does not exist, so just do nothing.
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pass
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else:
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data = {'agenda_item_id': motion.agenda_item_id}
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return data
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class MotionBlockSlide(ProjectorElement):
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"""
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Slide definitions for a block of motions (MotionBlock model).
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"""
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name = 'motions/motion-block'
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def check_data(self):
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if not MotionBlock.objects.filter(pk=self.config_entry.get('id')).exists():
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raise ProjectorException('MotionBlock does not exist.')
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def get_requirements(self, config_entry):
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try:
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motion_block = MotionBlock.objects.get(pk=config_entry.get('id'))
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except MotionBlock.DoesNotExist:
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# MotionBlock does not exist. Just do nothing.
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pass
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else:
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yield motion_block
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yield motion_block.agenda_item
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yield from motion_block.motion_set.all()
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yield from Workflow.objects.all()
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def get_collection_elements_required_for_this(self, collection_element, config_entry):
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output = super().get_collection_elements_required_for_this(collection_element, config_entry)
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# Send all changed motions to the projector, because it may be appended
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# or removed from the block.
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if collection_element.collection_string == Motion.get_collection_string():
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output.append(collection_element)
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return output
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def update_data(self):
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data = None
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try:
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motion_block = MotionBlock.objects.get(pk=self.config_entry.get('id'))
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except MotionBlock.DoesNotExist:
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# MotionBlock does not exist, so just do nothing.
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pass
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else:
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data = {'agenda_item_id': motion_block.agenda_item_id}
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return data
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def get_projector_elements() -> Generator[Type[ProjectorElement], None, None]:
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yield MotionSlide
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yield MotionBlockSlide
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