first commit

2026-06-29 09:52:02 +02:00
commit da2f7c3c86
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+"""SQLite-Zugriff: Schema, Verbindung, Hilfsfunktionen.
+
+Die Datenbank wird vom Poller-Dienst geschrieben und vom Web-Dienst gelesen.
+WAL-Modus erlaubt gleichzeitiges Lesen/Schreiben ohne Sperrkonflikte.
+"""
+import sqlite3
+from contextlib import contextmanager
+
+from . import config
+
+SCHEMA = """
+CREATE TABLE IF NOT EXISTS tickets (
+    id                      INTEGER PRIMARY KEY,
+    number                  TEXT,
+    title                   TEXT,
+    state                   TEXT,
+    state_id                INTEGER,
+    priority                TEXT,
+    priority_id             INTEGER,
+    owner                   TEXT,
+    owner_id                INTEGER,
+    "group"                 TEXT,
+    customer                TEXT,
+    article_count           INTEGER,
+    zammad_created_at       TEXT,
+    zammad_updated_at       TEXT,
+    last_contact_at         TEXT,
+    last_contact_agent_at   TEXT,
+    last_contact_customer_at TEXT,
+    close_at                TEXT,
+    last_close_at           TEXT,
+    raw_json                TEXT,
+    first_seen_at           TEXT,
+    last_synced_at          TEXT
+);
+
+CREATE TABLE IF NOT EXISTS changes (
+    id            INTEGER PRIMARY KEY AUTOINCREMENT,
+    ticket_id     INTEGER NOT NULL,
+    ticket_number TEXT,
+    ticket_title  TEXT,
+    field         TEXT NOT NULL,
+    label         TEXT,
+    old_value     TEXT,
+    new_value     TEXT,
+    detail        TEXT,
+    detected_at   TEXT NOT NULL,
+    seen          INTEGER NOT NULL DEFAULT 0,
+    notified      INTEGER NOT NULL DEFAULT 0
+);
+
+CREATE INDEX IF NOT EXISTS idx_changes_detected ON changes(detected_at DESC);
+CREATE INDEX IF NOT EXISTS idx_changes_ticket   ON changes(ticket_id);
+CREATE INDEX IF NOT EXISTS idx_changes_seen     ON changes(seen);
+
+CREATE TABLE IF NOT EXISTS sync_runs (
+    id           INTEGER PRIMARY KEY AUTOINCREMENT,
+    started_at   TEXT,
+    finished_at  TEXT,
+    ticket_count INTEGER,
+    change_count INTEGER,
+    status       TEXT,
+    error        TEXT
+);
+"""
+
+
+def connect() -> sqlite3.Connection:
+    conn = sqlite3.connect(config.DB_PATH, timeout=30)
+    conn.row_factory = sqlite3.Row
+    conn.execute("PRAGMA journal_mode=WAL;")
+    conn.execute("PRAGMA busy_timeout=10000;")
+    conn.execute("PRAGMA foreign_keys=ON;")
+    return conn
+
+
+@contextmanager
+def get_conn():
+    conn = connect()
+    try:
+        yield conn
+        conn.commit()
+    finally:
+        conn.close()
+
+
+def init_db() -> None:
+    with get_conn() as conn:
+        conn.executescript(SCHEMA)