feat: add get_item_meta_name function to retrieve specific meta by name

src/db.rs

@@ -433,3 +433,20 @@ pub fn get_item_meta(conn: &Connection, item: &Item) -> Result<Vec<Meta>> {
 
     Ok(metas)
 }
+
+pub fn get_item_meta_name(conn: &Connection, item: &Item, name: String) -> Result<Option<Meta>> {
+    debug!("DB: Getting item meta name: {:?} {:?}", item, name);
+    let mut statement = conn
+        .prepare_cached("SELECT id, name, value FROM metas WHERE id=?1 AND name=?2")
+        .context("Problem preparing SQL statement")?;
+    let mut rows = statement.query([item.id, name])?;
+
+    match rows.next()? {
+        Some(row) => Ok(Some(Meta {
+            id: row.get(0)?,
+            name: row.get(1)?,
+            value: row.get(2)?,
+        })),
+        None => Ok(None),
+    }
+}