settings: store id of first admin user

crates/database/src/tables/settings.rs

@@ -54,4 +54,17 @@ impl Settings {
 
         Ok((query.rows_affected() == 1).then_some(()))
     }
+
+    pub async fn set_first_admin(
+        conn: impl SqliteExecutor<'_>,
+        id: &str,
+    ) -> Result<Option<()>, Error> {
+        let query: SqliteQueryResult =
+            sqlx::query_file!("queries/settings/set_first_admin.sql", id)
+                .execute(conn)
+                .await
+                .map_err(handle_error)?;
+
+        Ok((query.rows_affected() == 1).then_some(()))
+    }
 }