going somewhere.

src/util.rs

@@ -0,0 +1,23 @@
+use rusqlite::{Params, Transaction};
+
+#[derive(Debug)]
+pub enum Error {
+    SqlError(rusqlite::Error),
+    InvalidDrawer(String),
+}
+
+pub type CustomResult<T, E = Error> = Result<T, E>;
+
+pub struct TransactionHelper<'a> {
+    tx: &'a Transaction<'a>,
+}
+
+impl TransactionHelper<'_> {
+    pub fn new<'a>(tx: &'a Transaction) -> TransactionHelper<'a> {
+        TransactionHelper { tx }
+    }
+
+    pub fn execute<P: Params>(&self, sql: &str, params: P) -> CustomResult<usize> {
+        self.tx.execute(sql, params).map_err(Error::SqlError)
+    }
+}