39 lines
1.0 KiB
Python
39 lines
1.0 KiB
Python
from typing import Any, Dict
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from ..utils.projector import (
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AllData,
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ProjectorElementException,
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register_projector_slide,
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)
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# Important: All functions have to be prune. This means, that thay can only
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# access the data, that they get as argument and do not have any
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# side effects. They are called from an async context. So they have
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# to be fast!
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def topic_slide(all_data: AllData, element: Dict[str, Any]) -> Dict[str, Any]:
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"""
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Topic slide.
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The returned dict can contain the following fields:
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* title
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* text
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"""
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topic_id = element.get("id")
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if topic_id is None:
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raise ProjectorElementException("id is required for topic slide")
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try:
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topic = all_data["topics/topic"][topic_id]
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except KeyError:
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raise ProjectorElementException(f"topic with id {topic_id} does not exist")
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return {"title": topic["title"], "text": topic["text"]}
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def register_projector_slides() -> None:
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register_projector_slide("topics/topic", topic_slide)
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