42 lines
1.2 KiB
Python
42 lines
1.2 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 Topic
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class TopicSlide(ProjectorElement):
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"""
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Slide definitions for topic model.
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"""
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name = 'topics/topic'
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def check_data(self):
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if not Topic.objects.filter(pk=self.config_entry.get('id')).exists():
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raise ProjectorException('Topic does not exist.')
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def get_requirements(self, config_entry):
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try:
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topic = Topic.objects.get(pk=config_entry.get('id'))
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except Topic.DoesNotExist:
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# Topic does not exist. Just do nothing.
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pass
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else:
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yield topic
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yield topic.agenda_item
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def update_data(self):
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data = None
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try:
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topic = Topic.objects.get(pk=self.config_entry.get('id'))
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except Topic.DoesNotExist:
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# Topic 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': topic.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 TopicSlide
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