51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
import dataclasses
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import re
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from collections.abc import Iterable, Iterator
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from typing import Callable
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from folkugat_web.dal.sql.temes import lyrics as lyrics_dal
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from folkugat_web.model import temes as model
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from folkugat_web.utils import FnChain
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def _sub(pattern: str, sub: str) -> Callable[[str], str]:
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def _inner_sub(text: str) -> str:
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return re.sub(pattern, sub, text)
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return _inner_sub
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def _clean_string(lyrics_str: str) -> str:
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return (
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FnChain.transform(lyrics_str) |
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_sub(r" *", " ") |
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_sub(r"\s*\n\s*", "\n") |
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_sub(r"\n*", "\n")
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).result()
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def add_lyrics_to_tema(tema: model.Tema) -> model.Tema:
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if tema.id is not None:
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tema.lyrics = list(lyrics_dal.get_lyrics(tema_id=tema.id))
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return tema
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def add_lyrics_to_temes(temes: Iterable[model.Tema]) -> Iterator[model.Tema]:
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return map(add_lyrics_to_tema, temes)
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def get_lyric_by_id(lyric_id: int, tema_id: int | None = None) -> model.Lyrics | None:
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return next(iter(lyrics_dal.get_lyrics(lyric_id=lyric_id, tema_id=tema_id)), None)
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def update_lyric(lyric: model.Lyrics):
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lyric = dataclasses.replace(lyric, content=_clean_string(lyric.content))
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lyrics_dal.update_lyric(lyric=lyric)
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def delete_lyric(lyric_id: int, tema_id: int | None = None):
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lyrics_dal.delete_lyric(lyric_id=lyric_id, tema_id=tema_id)
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def create_lyric(tema_id: int) -> model.Lyrics:
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return lyrics_dal.create_lyric(tema_id=tema_id)
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