add user table

backend/trading_journal/db.py

@@ -15,22 +15,43 @@ if TYPE_CHECKING:
 
 
 class Database:
-    def __init__(self, database_url: str | None = None, *, echo: bool = False, connect_args: dict | None = None) -> None:
+    def __init__(
+        self,
+        database_url: str | None = None,
+        *,
+        echo: bool = False,
+        connect_args: dict | None = None,
+    ) -> None:
         self._database_url = database_url or "sqlite:///:memory:"
 
-        default_connect = {"check_same_thread": False, "timeout": 30} if self._database_url.startswith("sqlite") else {}
+        default_connect = (
+            {"check_same_thread": False, "timeout": 30}
+            if self._database_url.startswith("sqlite")
+            else {}
+        )
         merged_connect = {**default_connect, **(connect_args or {})}
 
         if self._database_url == "sqlite:///:memory:":
             logger = logging.getLogger(__name__)
-            logger.warning("Using in-memory SQLite database; all data will be lost when the application stops.")
-            self._engine = create_engine(self._database_url, echo=echo, connect_args=merged_connect, poolclass=StaticPool)
+            logger.warning(
+                "Using in-memory SQLite database; all data will be lost when the application stops."
+            )
+            self._engine = create_engine(
+                self._database_url,
+                echo=echo,
+                connect_args=merged_connect,
+                poolclass=StaticPool,
+            )
         else:
-            self._engine = create_engine(self._database_url, echo=echo, connect_args=merged_connect)
+            self._engine = create_engine(
+                self._database_url, echo=echo, connect_args=merged_connect
+            )
 
         if self._database_url.startswith("sqlite"):
 
-            def _enable_sqlite_pragmas(dbapi_conn: DBAPIConnection, _connection_record: object) -> None:
+            def _enable_sqlite_pragmas(
+                dbapi_conn: DBAPIConnection, _connection_record: object
+            ) -> None:
                 try:
                     cur = dbapi_conn.cursor()
                     cur.execute("PRAGMA journal_mode=WAL;")
@@ -62,5 +83,10 @@ class Database:
         self._engine.dispose()
 
 
-def create_database(database_url: str | None = None, *, echo: bool = False, connect_args: dict | None = None) -> Database:
+def create_database(
+    database_url: str | None = None,
+    *,
+    echo: bool = False,
+    connect_args: dict | None = None,
+) -> Database:
     return Database(database_url, echo=echo, connect_args=connect_args)