46 lines
1.5 KiB
Python
46 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 Assignment, AssignmentPoll
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class AssignmentSlide(ProjectorElement):
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"""
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Slide definitions for Assignment model.
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You can send a poll id to get a poll slide.
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"""
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name = "assignments/assignment"
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def check_data(self):
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if not Assignment.objects.filter(pk=self.config_entry.get("id")).exists():
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raise ProjectorException("Election does not exist.")
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poll_id = self.config_entry.get("poll")
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if poll_id:
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# Poll slide.
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try:
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poll = AssignmentPoll.objects.get(pk=poll_id)
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except AssignmentPoll.DoesNotExist:
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raise ProjectorException("Poll does not exist.")
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if poll.assignment_id != self.config_entry.get("id"):
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raise ProjectorException(
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"Assignment id and poll do not belong together."
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)
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def update_data(self):
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data = None
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try:
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assignment = Assignment.objects.get(pk=self.config_entry.get("id"))
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except Assignment.DoesNotExist:
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# Assignment 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": assignment.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 AssignmentSlide
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