794 lines
23 KiB
Python
794 lines
23 KiB
Python
#!/usr/bin/python3
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import re
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from config import Config
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from dbconfig import scoped_session
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from datetime import datetime
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from typing import List, Optional, Sequence
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from sqlalchemy.ext.associationproxy import association_proxy
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from sqlalchemy import (
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Boolean,
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DateTime,
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delete,
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ForeignKey,
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func,
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select,
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String,
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update,
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)
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from sqlalchemy.orm import (
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DeclarativeBase,
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joinedload,
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lazyload,
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Mapped,
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mapped_column,
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relationship,
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)
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from sqlalchemy.orm.exc import (
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NoResultFound,
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)
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from sqlalchemy.exc import (
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IntegrityError,
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)
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from log import log
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class Base(DeclarativeBase):
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pass
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# Database classes
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class Carts(Base):
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__tablename__ = "carts"
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id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
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cart_number: Mapped[int] = mapped_column(unique=True)
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name: Mapped[str] = mapped_column(String(256), index=True)
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duration: Mapped[int] = mapped_column(index=True)
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path: Mapped[str] = mapped_column(String(2048), index=False)
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enabled: Mapped[bool] = mapped_column(default=False)
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def __repr__(self) -> str:
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return (
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f"<Carts(id={self.id}, cart={self.cart_number}, "
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f"name={self.name}, path={self.path}>"
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)
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def __init__(
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self,
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session: scoped_session,
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cart_number: int,
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name: Optional[str] = None,
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duration: Optional[int] = None,
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path: Optional[str] = None,
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enabled: bool = True,
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) -> None:
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"""Create new cart"""
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self.cart_number = cart_number
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self.name = name
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self.duration = duration
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self.path = path
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self.enabled = enabled
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session.add(self)
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session.commit()
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class NoteColours(Base):
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__tablename__ = "notecolours"
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id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
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substring: Mapped[str] = mapped_column(String(256), index=False)
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colour: Mapped[str] = mapped_column(String(21), index=False)
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enabled: Mapped[bool] = mapped_column(default=True, index=True)
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is_regex: Mapped[bool] = mapped_column(default=False, index=False)
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is_casesensitive: Mapped[bool] = mapped_column(default=False, index=False)
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order: Mapped[Optional[int]] = mapped_column(index=True)
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def __repr__(self) -> str:
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return (
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f"<NoteColour(id={self.id}, substring={self.substring}, "
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f"colour={self.colour}>"
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)
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@staticmethod
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def get_colour(session: scoped_session, text: str) -> Optional[str]:
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"""
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Parse text and return colour string if matched, else empty string
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"""
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if not text:
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return None
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for rec in (
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session.execute(
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select(NoteColours)
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.filter(NoteColours.enabled.is_(True))
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.order_by(NoteColours.order)
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)
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.scalars()
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.all()
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):
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if rec.is_regex:
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flags = re.UNICODE
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if not rec.is_casesensitive:
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flags |= re.IGNORECASE
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p = re.compile(rec.substring, flags)
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if p.match(text):
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return rec.colour
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else:
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if rec.is_casesensitive:
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if rec.substring in text:
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return rec.colour
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else:
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if rec.substring.lower() in text.lower():
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return rec.colour
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return None
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class Playdates(Base):
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__tablename__ = "playdates"
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id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
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lastplayed: Mapped[datetime] = mapped_column(index=True)
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track_id: Mapped[int] = mapped_column(ForeignKey("tracks.id"))
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track: Mapped["Tracks"] = relationship("Tracks", back_populates="playdates")
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def __repr__(self) -> str:
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return (
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f"<Playdates(id={self.id}, track_id={self.track_id} "
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f"lastplayed={self.lastplayed}>"
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)
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def __init__(self, session: scoped_session, track_id: int) -> None:
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"""Record that track was played"""
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self.lastplayed = datetime.now()
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self.track_id = track_id
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session.add(self)
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session.commit()
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@staticmethod
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def last_played(session: scoped_session, track_id: int) -> datetime:
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"""Return datetime track last played or None"""
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last_played = session.execute(
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select(Playdates.lastplayed)
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.where(Playdates.track_id == track_id)
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.order_by(Playdates.lastplayed.desc())
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.limit(1)
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).first()
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if last_played:
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return last_played[0]
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else:
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return Config.EPOCH
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@staticmethod
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def played_after(session: scoped_session, since: datetime) -> Sequence["Playdates"]:
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"""Return a list of Playdates objects since passed time"""
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return (
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session.execute(
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select(Playdates)
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.where(Playdates.lastplayed >= since)
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.order_by(Playdates.lastplayed)
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)
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.scalars()
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.all()
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)
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class Playlists(Base):
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"""
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Manage playlists
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"""
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__tablename__ = "playlists"
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id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
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name: Mapped[str] = mapped_column(String(32), unique=True)
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last_used: Mapped[Optional[datetime]] = mapped_column(DateTime, default=None)
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tab: Mapped[Optional[int]] = mapped_column(default=None, unique=True)
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is_template: Mapped[bool] = mapped_column(default=False)
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deleted: Mapped[bool] = mapped_column(default=False)
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rows: Mapped[List["PlaylistRows"]] = relationship(
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"PlaylistRows",
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back_populates="playlist",
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cascade="all, delete-orphan",
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order_by="PlaylistRows.plr_rownum",
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)
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def __repr__(self) -> str:
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return (
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f"<Playlists(id={self.id}, name={self.name}, "
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f"is_templatee={self.is_template}>"
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)
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def __init__(self, session: scoped_session, name: str):
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self.name = name
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session.add(self)
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session.flush()
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def close(self, session: scoped_session) -> None:
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"""Mark playlist as unloaded"""
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closed_idx = self.tab
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self.tab = None
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# Closing this tab will mean all higher-number tabs have moved
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# down by one
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session.execute(
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update(Playlists)
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.where(Playlists.tab > closed_idx)
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.values(tab=Playlists.tab - 1)
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)
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@classmethod
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def create_playlist_from_template(
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cls, session: scoped_session, template: "Playlists", playlist_name: str
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) -> Optional["Playlists"]:
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"""Create a new playlist from template"""
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playlist = cls(session, playlist_name)
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# Sanity / mypy checks
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if not playlist or not playlist.id or not template.id:
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return None
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PlaylistRows.copy_playlist(session, template.id, playlist.id)
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return playlist
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def delete(self, session: scoped_session) -> None:
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"""
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Mark as deleted
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"""
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self.deleted = True
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session.flush()
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@classmethod
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def get_all(cls, session: scoped_session) -> Sequence["Playlists"]:
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"""Returns a list of all playlists ordered by last use"""
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return (
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session.execute(
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select(cls)
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.filter(cls.is_template.is_(False))
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.order_by(cls.tab.desc(), cls.last_used.desc())
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)
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.scalars()
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.all()
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)
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@classmethod
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def get_all_templates(cls, session: scoped_session) -> Sequence["Playlists"]:
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"""Returns a list of all templates ordered by name"""
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return (
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session.execute(
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select(cls).filter(cls.is_template.is_(True)).order_by(cls.name)
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)
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.scalars()
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.all()
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)
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@classmethod
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def get_closed(cls, session: scoped_session) -> Sequence["Playlists"]:
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"""Returns a list of all closed playlists ordered by last use"""
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return (
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session.execute(
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select(cls)
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.filter(
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cls.tab.is_(None),
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cls.is_template.is_(False),
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cls.deleted.is_(False),
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)
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.order_by(cls.last_used.desc())
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)
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.scalars()
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.all()
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)
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@classmethod
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def get_open(cls, session: scoped_session) -> Sequence[Optional["Playlists"]]:
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"""
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Return a list of loaded playlists ordered by tab order.
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"""
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return (
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session.execute(select(cls).where(cls.tab.is_not(None)).order_by(cls.tab))
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.scalars()
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.all()
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)
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def mark_open(self, session: scoped_session, tab_index: int) -> None:
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"""Mark playlist as loaded and used now"""
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self.tab = tab_index
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self.last_used = datetime.now()
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@staticmethod
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def move_tab(session: scoped_session, frm: int, to: int) -> None:
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"""Move tabs"""
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row_frm = session.execute(select(Playlists).filter_by(tab=frm)).scalar_one()
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row_to = session.execute(select(Playlists).filter_by(tab=to)).scalar_one()
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row_frm.tab = None
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row_to.tab = None
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session.commit()
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row_to.tab = frm
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row_frm.tab = to
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def rename(self, session: scoped_session, new_name: str) -> None:
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"""
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Rename playlist
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"""
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self.name = new_name
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session.flush()
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@staticmethod
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def save_as_template(
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session: scoped_session, playlist_id: int, template_name: str
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) -> None:
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"""Save passed playlist as new template"""
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template = Playlists(session, template_name)
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if not template or not template.id:
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return
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template.is_template = True
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session.commit()
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PlaylistRows.copy_playlist(session, playlist_id, template.id)
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class PlaylistRows(Base):
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__tablename__ = "playlist_rows"
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id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
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plr_rownum: Mapped[int]
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note: Mapped[str] = mapped_column(
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String(2048), index=False, default="", nullable=False
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)
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playlist_id: Mapped[int] = mapped_column(ForeignKey("playlists.id"))
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playlist: Mapped[Playlists] = relationship(back_populates="rows")
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track_id: Mapped[Optional[int]] = mapped_column(ForeignKey("tracks.id"))
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track: Mapped["Tracks"] = relationship(
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"Tracks",
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back_populates="playlistrows",
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)
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played: Mapped[bool] = mapped_column(
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Boolean, nullable=False, index=False, default=False
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)
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def __repr__(self) -> str:
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return (
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f"<PlaylistRow(id={self.id}, playlist_id={self.playlist_id}, "
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f"track_id={self.track_id}, "
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f"note={self.note}, plr_rownum={self.plr_rownum}>"
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)
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def __init__(
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self,
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session: scoped_session,
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playlist_id: int,
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track_id: Optional[int],
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row_number: int,
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note: str = "",
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) -> None:
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"""Create PlaylistRows object"""
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self.playlist_id = playlist_id
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self.track_id = track_id
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self.plr_rownum = row_number
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self.note = note
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session.add(self)
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session.flush()
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def append_note(self, extra_note: str) -> None:
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"""Append passed note to any existing note"""
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current_note = self.note
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if current_note:
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self.note = current_note + "\n" + extra_note
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else:
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self.note = extra_note
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@staticmethod
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def copy_playlist(session: scoped_session, src_id: int, dst_id: int) -> None:
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"""Copy playlist entries"""
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src_rows = (
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session.execute(
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select(PlaylistRows).filter(PlaylistRows.playlist_id == src_id)
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)
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.scalars()
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.all()
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)
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for plr in src_rows:
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PlaylistRows(session, dst_id, plr.track_id, plr.plr_rownum, plr.note)
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@staticmethod
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def delete_higher_rows(
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session: scoped_session, playlist_id: int, maxrow: int
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) -> None:
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"""
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Delete rows in given playlist that have a higher row number
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than 'maxrow'
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"""
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session.execute(
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delete(PlaylistRows).where(
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PlaylistRows.playlist_id == playlist_id,
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PlaylistRows.plr_rownum > maxrow,
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)
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)
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session.flush()
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@classmethod
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def deep_rows(
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cls, session: scoped_session, playlist_id: int
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) -> Sequence["PlaylistRows"]:
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"""
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Return a list of playlist rows that include full track and lastplayed data for
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given playlist_id., Sequence
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"""
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stmt = (
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select(PlaylistRows)
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.options(joinedload(cls.track))
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.where(PlaylistRows.playlist_id == playlist_id)
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.order_by(PlaylistRows.plr_rownum)
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# .options(joinedload(Tracks.playdates))
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)
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return session.scalars(stmt).unique().all()
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@staticmethod
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def fixup_rownumbers(session: scoped_session, playlist_id: int) -> None:
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"""
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Ensure the row numbers for passed playlist have no gaps
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"""
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plrs = (
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session.execute(
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select(PlaylistRows)
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.where(PlaylistRows.playlist_id == playlist_id)
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.order_by(PlaylistRows.plr_rownum)
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)
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.scalars()
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.all()
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)
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for i, plr in enumerate(plrs):
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plr.plr_rownum = i
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# Ensure new row numbers are available to the caller
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session.commit()
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@classmethod
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def plrids_to_plrs(
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cls, session: scoped_session, playlist_id: int, plr_ids: List[int]
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) -> Sequence["PlaylistRows"]:
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"""
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Take a list of PlaylistRows ids and return a list of corresponding
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PlaylistRows objects
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"""
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plrs = (
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session.execute(
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select(cls)
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.where(cls.playlist_id == playlist_id, cls.id.in_(plr_ids))
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.order_by(cls.plr_rownum)
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)
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.scalars()
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.all()
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)
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return plrs
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@staticmethod
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def get_last_used_row(session: scoped_session, playlist_id: int) -> Optional[int]:
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"""Return the last used row for playlist, or None if no rows"""
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return session.execute(
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select(func.max(PlaylistRows.plr_rownum)).where(
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PlaylistRows.playlist_id == playlist_id
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)
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).scalar_one()
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@staticmethod
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def get_track_plr(
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session: scoped_session, track_id: int, playlist_id: int
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) -> Optional["PlaylistRows"]:
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"""Return first matching PlaylistRows object or None"""
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return session.scalars(
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select(PlaylistRows)
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.where(
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PlaylistRows.track_id == track_id,
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PlaylistRows.playlist_id == playlist_id,
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)
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.limit(1)
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).first()
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@classmethod
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def get_played_rows(
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cls, session: scoped_session, playlist_id: int
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) -> Sequence["PlaylistRows"]:
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"""
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For passed playlist, return a list of rows that
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have been played.
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"""
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plrs = (
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session.execute(
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select(cls)
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.where(cls.playlist_id == playlist_id, cls.played.is_(True))
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.order_by(cls.plr_rownum)
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)
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.scalars()
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.all()
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)
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return plrs
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@classmethod
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def get_rows_with_tracks(
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cls,
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session: scoped_session,
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playlist_id: int,
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from_row: Optional[int] = None,
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to_row: Optional[int] = None,
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) -> Sequence["PlaylistRows"]:
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"""
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For passed playlist, return a list of rows that
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contain tracks
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"""
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query = select(cls).where(
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cls.playlist_id == playlist_id, cls.track_id.is_not(None)
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)
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if from_row is not None:
|
|
query = query.where(cls.plr_rownum >= from_row)
|
|
if to_row is not None:
|
|
query = query.where(cls.plr_rownum <= to_row)
|
|
|
|
plrs = session.execute((query).order_by(cls.plr_rownum)).scalars().all()
|
|
|
|
return plrs
|
|
|
|
@classmethod
|
|
def get_unplayed_rows(
|
|
cls, session: scoped_session, playlist_id: int
|
|
) -> Sequence["PlaylistRows"]:
|
|
"""
|
|
For passed playlist, return a list of playlist rows that
|
|
have not been played.
|
|
"""
|
|
|
|
plrs = (
|
|
session.execute(
|
|
select(cls)
|
|
.where(
|
|
cls.playlist_id == playlist_id,
|
|
cls.track_id.is_not(None),
|
|
cls.played.is_(False),
|
|
)
|
|
.order_by(cls.plr_rownum)
|
|
)
|
|
.scalars()
|
|
.all()
|
|
)
|
|
|
|
return plrs
|
|
|
|
@staticmethod
|
|
def move_rows_down(
|
|
session: scoped_session, playlist_id: int, starting_row: int, move_by: int
|
|
) -> None:
|
|
"""
|
|
Create space to insert move_by additional rows by incremented row
|
|
number from starting_row to end of playlist
|
|
"""
|
|
|
|
session.execute(
|
|
update(PlaylistRows)
|
|
.where(
|
|
(PlaylistRows.playlist_id == playlist_id),
|
|
(PlaylistRows.plr_rownum >= starting_row),
|
|
)
|
|
.values(plr_rownum=PlaylistRows.plr_rownum + move_by)
|
|
)
|
|
|
|
|
|
class Settings(Base):
|
|
"""Manage settings"""
|
|
|
|
__tablename__ = "settings"
|
|
|
|
id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
|
|
name: Mapped[str] = mapped_column(String(64), unique=True)
|
|
f_datetime: Mapped[Optional[datetime]] = mapped_column(default=None)
|
|
f_int: Mapped[Optional[int]] = mapped_column(default=None)
|
|
f_string: Mapped[Optional[str]] = mapped_column(String(128), default=None)
|
|
|
|
def __repr__(self) -> str:
|
|
value = self.f_datetime or self.f_int or self.f_string
|
|
return (
|
|
f"<Settings(id={self.id}, name={self.name}, "
|
|
f"f_datetime={self.f_datetime}, f_int={self.f_int}, f_string={self.f_string}>"
|
|
)
|
|
|
|
def __init__(self, session: scoped_session, name: str):
|
|
self.name = name
|
|
session.add(self)
|
|
session.flush()
|
|
|
|
@classmethod
|
|
def all_as_dict(cls, session):
|
|
"""
|
|
Return all setting in a dictionary keyed by name
|
|
"""
|
|
|
|
result = {}
|
|
|
|
settings = session.execute(select(cls)).scalars().all()
|
|
for setting in settings:
|
|
result[setting.name] = setting
|
|
|
|
return result
|
|
|
|
@classmethod
|
|
def get_int_settings(cls, session: scoped_session, name: str) -> "Settings":
|
|
"""Get setting for an integer or return new setting record"""
|
|
|
|
try:
|
|
return session.execute(select(cls).where(cls.name == name)).scalar_one()
|
|
|
|
except NoResultFound:
|
|
return Settings(session, name)
|
|
|
|
def update(self, session: scoped_session, data: dict) -> None:
|
|
for key, value in data.items():
|
|
assert hasattr(self, key)
|
|
setattr(self, key, value)
|
|
session.flush()
|
|
|
|
|
|
class Tracks(Base):
|
|
__tablename__ = "tracks"
|
|
|
|
id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
|
|
title: Mapped[str] = mapped_column(String(256), index=True)
|
|
artist: Mapped[str] = mapped_column(String(256), index=True)
|
|
bitrate: Mapped[Optional[int]] = mapped_column(default=None)
|
|
duration: Mapped[int] = mapped_column(index=True)
|
|
fade_at: Mapped[int] = mapped_column(index=False)
|
|
mtime: Mapped[float] = mapped_column(index=True)
|
|
path: Mapped[str] = mapped_column(String(2048), index=False, unique=True)
|
|
silence_at: Mapped[int] = mapped_column(index=False)
|
|
start_gap: Mapped[int] = mapped_column(index=False)
|
|
playlistrows: Mapped[List[PlaylistRows]] = relationship(
|
|
"PlaylistRows", back_populates="track"
|
|
)
|
|
playlists = association_proxy("playlistrows", "playlist")
|
|
playdates: Mapped[List[Playdates]] = relationship(
|
|
"Playdates",
|
|
back_populates="track",
|
|
lazy="joined",
|
|
)
|
|
|
|
def __repr__(self) -> str:
|
|
return (
|
|
f"<Track(id={self.id}, title={self.title}, "
|
|
f"artist={self.artist}, path={self.path}>"
|
|
)
|
|
|
|
def __init__(
|
|
self,
|
|
session: scoped_session,
|
|
path: str,
|
|
title: str,
|
|
artist: str,
|
|
duration: int,
|
|
start_gap: int,
|
|
fade_at: int,
|
|
silence_at: int,
|
|
mtime: int,
|
|
bitrate: int
|
|
):
|
|
self.path = path
|
|
self.title = title
|
|
self.artist = artist
|
|
self.bitrate = bitrate
|
|
self.duration = duration
|
|
self.start_gap = start_gap
|
|
self.fade_at = fade_at
|
|
self.silence_at = silence_at
|
|
self.mtime = mtime
|
|
|
|
try:
|
|
session.add(self)
|
|
session.commit()
|
|
except IntegrityError as error:
|
|
session.rollback()
|
|
log.error(f"Error ({error=}) importing track ({path=})")
|
|
raise ValueError
|
|
|
|
@classmethod
|
|
def get_all(cls, session) -> List["Tracks"]:
|
|
"""Return a list of all tracks"""
|
|
|
|
return session.execute(select(cls)).scalars().unique().all()
|
|
|
|
@classmethod
|
|
def get_by_path(cls, session: scoped_session, path: str) -> Optional["Tracks"]:
|
|
"""
|
|
Return track with passed path, or None.
|
|
"""
|
|
|
|
try:
|
|
return session.execute(
|
|
select(Tracks).where(Tracks.path == path)
|
|
).unique().scalar_one()
|
|
except NoResultFound:
|
|
return None
|
|
|
|
@classmethod
|
|
def search_artists(cls, session: scoped_session, text: str) -> Sequence["Tracks"]:
|
|
"""
|
|
Search case-insenstively for artists containing str
|
|
|
|
The query performs an outer join with 'joinedload' to populate the results
|
|
from the Playdates table at the same time. unique() needed; see
|
|
https://docs.sqlalchemy.org/en/20/orm/queryguide/relationships.html#joined-eager-loading
|
|
"""
|
|
|
|
return (
|
|
session.execute(
|
|
select(cls)
|
|
.options(joinedload(Tracks.playdates))
|
|
.where(cls.artist.ilike(f"%{text}%"))
|
|
.order_by(cls.title)
|
|
)
|
|
.scalars()
|
|
.unique()
|
|
.all()
|
|
)
|
|
|
|
@classmethod
|
|
def search_titles(cls, session: scoped_session, text: str) -> Sequence["Tracks"]:
|
|
"""
|
|
Search case-insenstively for titles containing str
|
|
|
|
The query performs an outer join with 'joinedload' to populate the results
|
|
from the Playdates table at the same time. unique() needed; see
|
|
https://docs.sqlalchemy.org/en/20/orm/queryguide/relationships.html#joined-eager-loading
|
|
"""
|
|
return (
|
|
session.execute(
|
|
select(cls)
|
|
.options(joinedload(Tracks.playdates))
|
|
.where(cls.title.like(f"{text}%"))
|
|
.order_by(cls.title)
|
|
)
|
|
.scalars()
|
|
.unique()
|
|
.all()
|
|
)
|