103 lines
2.9 KiB
Python
103 lines
2.9 KiB
Python
"""Was der Seite noch fehlt.
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Jeder darf aufschreiben, was er sich wünscht. Alle sehen alle Wünsche,
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ändern darf jeder nur die eigenen — wie bei den Filmsammlungen.
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"""
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from datetime import datetime, timezone
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from .db import connect
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from .users import besitzer, gehoert_mir
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SCHEMA = """
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CREATE TABLE IF NOT EXISTS features (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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session_id TEXT NOT NULL,
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text TEXT NOT NULL,
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created_at TEXT NOT NULL
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);
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"""
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MAX_LAENGE = 500
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def _spalte_user_id(conn, tabelle):
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"""Nachrüsten und aus der Sitzung füllen — einmalig je Datenbank."""
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spalten = {r[1] for r in conn.execute(f"PRAGMA table_info({tabelle})")}
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if "user_id" in spalten:
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return
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conn.execute(f"ALTER TABLE {tabelle} ADD COLUMN user_id INTEGER")
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conn.execute(
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f"UPDATE {tabelle} SET user_id = ("
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" SELECT user_id FROM user_sessions s WHERE s.session_id = "
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f" {tabelle}.session_id)"
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)
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def init():
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with connect() as conn:
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conn.executescript(SCHEMA)
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_spalte_user_id(conn, "features")
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def alle(session_id):
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"""Alle Wünsche, jeder mit dem Namen seines Verfassers."""
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with connect() as conn:
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rows = conn.execute(
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"SELECT f.*, u.name FROM features f "
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"LEFT JOIN user_sessions s ON s.session_id = f.session_id "
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"LEFT JOIN users u ON u.id = s.user_id "
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"ORDER BY f.created_at DESC"
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).fetchall()
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ich = besitzer(session_id)
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return [
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{
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**{
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k: v
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for k, v in dict(r).items()
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if k not in ("session_id", "user_id")
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},
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"mine": gehoert_mir(r, session_id, ich),
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}
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for r in rows
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]
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def anlegen(session_id, text):
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"""Gibt None zurück, wenn nichts dasteht."""
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text = (text or "").strip()[:MAX_LAENGE]
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if not text:
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return None
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with connect() as conn:
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conn.execute(
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"INSERT INTO features (session_id, user_id, text, created_at) "
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"VALUES (?, ?, ?, ?)",
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(
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session_id,
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besitzer(session_id),
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text,
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datetime.now(timezone.utc).isoformat(timespec="seconds"),
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),
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)
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return alle(session_id)
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def aendern(feature_id, text):
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"""Der Host räumt auf: Tippfehler, Dopplungen, unklare Formulierungen."""
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text = (text or "").strip()[:MAX_LAENGE]
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if not text:
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return 0
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with connect() as conn:
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return conn.execute(
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"UPDATE features SET text = ? WHERE id = ?", (text, feature_id)
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).rowcount
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def loeschen(feature_id):
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"""Ohne Sitzungsbindung — den Knopf zeigt die Oberfläche nur dem
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Verfasser und dem Host."""
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with connect() as conn:
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return conn.execute(
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"DELETE FROM features WHERE id = ?", (feature_id,)
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).rowcount
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