59 lines
1.6 KiB
Python
59 lines
1.6 KiB
Python
from typing import Generator, Type
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from ..utils.projector import ProjectorElement
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from .exceptions import ProjectorException
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from .models import Countdown, ProjectorMessage
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class Clock(ProjectorElement):
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"""
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Clock on the projector.
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"""
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name = 'core/clock'
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class CountdownElement(ProjectorElement):
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"""
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Countdown slide for the projector.
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"""
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name = 'core/countdown'
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def check_data(self):
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if not Countdown.objects.filter(pk=self.config_entry.get('id')).exists():
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raise ProjectorException('Countdown does not exists.')
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def get_requirements(self, config_entry):
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try:
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countdown = Countdown.objects.get(pk=config_entry.get('id'))
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except Countdown.DoesNotExist:
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# Just do nothing if message does not exist
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pass
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else:
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yield countdown
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class ProjectorMessageElement(ProjectorElement):
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"""
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Short message on the projector. Rendered as overlay.
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"""
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name = 'core/projector-message'
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def check_data(self):
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if not ProjectorMessage.objects.filter(pk=self.config_entry.get('id')).exists():
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raise ProjectorException('Message does not exists.')
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def get_requirements(self, config_entry):
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try:
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message = ProjectorMessage.objects.get(pk=config_entry.get('id'))
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except ProjectorMessage.DoesNotExist:
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# Just do nothing if message does not exist
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pass
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else:
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yield message
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def get_projector_elements() -> Generator[Type[ProjectorElement], None, None]:
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yield Clock
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yield CountdownElement
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yield ProjectorMessageElement
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