fix db connection

.gitignore

@@ -1 +1,6 @@
 /target
+
+/.vscode
+
+*.db
+*.sqlite

src/db.rs

@@ -1,5 +1,7 @@
+use std::str::FromStr;
+
 use secrecy::ExposeSecret;
-use sqlx::{query, query_as, Connection, SqliteConnection};
+use sqlx::{query, query_as, sqlite::SqliteConnectOptions, Connection, SqliteConnection};
 
 use crate::secrets::UserToken;
 
@@ -21,8 +23,12 @@ pub struct SqliteDatabase {
 
 impl SqliteDatabase {
     pub async fn open() -> Self {
+        let options = SqliteConnectOptions::from_str(DB_URI_DEFAULT)
+            .expect("Invalid database URI")
+            .create_if_missing(true);
+
         let mut db = Self {
-            conn: SqliteConnection::connect(DB_URI_DEFAULT)
+            conn: SqliteConnection::connect_with(&options)
                 .await
                 .expect("Failed to open SQLite database"),
         };
@@ -33,7 +39,7 @@ impl SqliteDatabase {
     }
 
     pub async fn init(&mut self) {
-        query(
+        query(&format!(
             "CREATE TABLE IF NOT EXISTS {TABLE_USER_TOKENS} (
                 id          INTEGER PRIMARY KEY AUTOINCREMENT,
                 username    VARCHAR(255) NOT NULL,
@@ -41,8 +47,8 @@ impl SqliteDatabase {
                 valid       BOOLEAN NOT NULL,
                 created     DATETIME NOT NULL,
                 last_used   DATETIME
-            )",
-        )
+            )"
+        ))
         .execute(&mut self.conn)
         .await
         .expect("Failed to initialize table user_tokens");
@@ -69,13 +75,13 @@ impl Database for SqliteDatabase {
     }
 
     async fn save_token(&mut self, username: &str, token: &UserToken) -> Result<(), sqlx::Error> {
-        query(
+        query(&format!(
             "INSERT INTO {TABLE_USER_TOKENS}
                 (username, token, created, valid)
             VALUES
                 (?, ?, DATETIME('NOW'), TRUE)
             ",
-        )
+        ))
         .bind(username)
         .bind(token.0.expose_secret())
         .execute(&mut self.conn)