Update public source

cracklab/server/db/connection.py

@@ -0,0 +1,21 @@
+from __future__ import annotations
+
+import sqlite3
+from pathlib import Path
+
+
+PROJECT_ROOT = Path(__file__).resolve().parents[3]
+DEFAULT_DATABASE_PATH = PROJECT_ROOT / "database" / "wifi.sqlite3"
+
+
+def connect_database(path: Path | None = None) -> sqlite3.Connection:
+    database_path = path or DEFAULT_DATABASE_PATH
+
+    if not database_path.is_file():
+        raise FileNotFoundError(f"Database not found: {database_path}")
+
+    conn = sqlite3.connect(database_path)
+    conn.row_factory = sqlite3.Row
+    conn.execute("PRAGMA foreign_keys=ON")
+    conn.execute("PRAGMA busy_timeout=5000")
+    return conn