104 lines
3.0 KiB
Python
104 lines
3.0 KiB
Python
from collections.abc import Iterator
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from typing import TypedDict
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from folkugat_web.dal.sql import Connection, get_connection
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from folkugat_web.dal.sql.sessions import conversion as sessions_conversion
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from folkugat_web.model import playlists as model
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from folkugat_web.model.sessions import Session
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from folkugat_web.utils import groupby
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from . import conversion
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class QueryData(TypedDict, total=False):
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id: int
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set_id: int
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playlist_id: int
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def _filter_clause(
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entry_id: int | None = None,
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set_id: int | None = None,
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playlist_id: int | None = None,
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) -> tuple[str, QueryData]:
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filter_clauses: list[str] = []
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query_data: QueryData = {}
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if entry_id is not None:
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filter_clauses.append("id = :id")
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query_data["id"] = entry_id
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if set_id is not None:
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filter_clauses.append("set_id = :set_id")
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query_data["set_id"] = set_id
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if playlist_id is not None:
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filter_clauses.append("playlist_id = :playlist_id")
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query_data["playlist_id"] = playlist_id
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return " AND ".join(filter_clauses), query_data
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def get_playlist_entries(
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entry_id: int | None = None,
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set_id: int | None = None,
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playlist_id: int | None = None,
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con: Connection | None = None,
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) -> Iterator[model.PlaylistEntry]:
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filter_clause, data = _filter_clause(entry_id=entry_id, set_id=set_id, playlist_id=playlist_id)
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query = f"""
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SELECT
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id, playlist_id, set_id, tema_id
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FROM playlist_entries
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WHERE {filter_clause}
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ORDER BY id ASC
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"""
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with get_connection(con) as con:
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cur = con.cursor()
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_ = cur.execute(query, data)
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return map(conversion.row_to_playlist_entry, cur.fetchall())
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def get_playlist_name(playlist_id: int, con: Connection | None = None) -> str | None:
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query = """
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SELECT name
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FROM playlists
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WHERE id = :playlist_id
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"""
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data = dict(playlist_id=playlist_id)
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with get_connection(con) as con:
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cur = con.cursor()
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_ = cur.execute(query, data)
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row = cur.fetchone()
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return row[0] if row else None
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def get_all_playlists(logged_in: bool = False, con: Connection | None = None) -> Iterator[model.Playlist]:
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if logged_in:
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# Show all playlists for logged in users
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query = """
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SELECT id, name, hidden
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FROM playlists
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ORDER BY id ASC
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"""
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else:
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# Show only visible playlists for non-logged in users
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query = """
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SELECT id, name, hidden
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FROM playlists
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WHERE hidden = 0
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ORDER BY id ASC
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"""
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with get_connection(con) as con:
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cur = con.cursor()
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_ = cur.execute(query)
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rows = cur.fetchall()
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for row in rows:
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# Convert to Playlist model without sets for list view
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yield model.Playlist(
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id=row[0],
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name=row[1],
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sets=[], # Empty sets list for now
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hidden=bool(row[2])
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)
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