30 lines
861 B
Python
30 lines
861 B
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 Mediafile
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class MediafileSlide(ProjectorElement):
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"""
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Slide definitions for Mediafile model.
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"""
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name = 'mediafiles/mediafile'
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def check_data(self):
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if not Mediafile.objects.filter(pk=self.config_entry.get('id')).exists():
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raise ProjectorException('File does not exist.')
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def get_requirements(self, config_entry):
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try:
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mediafile = Mediafile.objects.get(pk=config_entry.get('id'))
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except Mediafile.DoesNotExist:
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# Mediafile does not exist. Just do nothing.
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pass
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else:
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yield mediafile
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def get_projector_elements() -> Generator[Type[ProjectorElement], None, None]:
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yield MediafileSlide
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