55 lines
1.5 KiB
Python
55 lines
1.5 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 Item
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class ItemListSlide(ProjectorElement):
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"""
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Slide definitions for Item model.
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This is only for item list slides.
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Set 'id' to None to get a list slide of all root items. Set 'id' to an
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integer to get a list slide of the children of the metioned item.
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Additionally set 'tree' to True to get also children of children.
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"""
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name = 'agenda/item-list'
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def check_data(self):
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pk = self.config_entry.get('id')
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if pk is not None:
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# Children slide.
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if not Item.objects.filter(pk=pk).exists():
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raise ProjectorException('Item does not exist.')
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class ListOfSpeakersSlide(ProjectorElement):
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"""
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Slide definitions for Item model.
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This is only for list of speakers slide. You have to set 'id'.
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"""
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name = 'agenda/list-of-speakers'
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def check_data(self):
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if not Item.objects.filter(pk=self.config_entry.get('id')).exists():
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raise ProjectorException('Item does not exist.')
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def update_data(self):
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return {'agenda_item_id': self.config_entry.get('id')}
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class CurrentListOfSpeakersSlide(ProjectorElement):
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"""
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Slide for the current list of speakers.
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"""
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name = 'agenda/current-list-of-speakers'
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def get_projector_elements() -> Generator[Type[ProjectorElement], None, None]:
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yield ItemListSlide
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yield ListOfSpeakersSlide
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yield CurrentListOfSpeakersSlide
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