Added Account::get method

src/entity/account.rs

@@ -129,4 +129,17 @@ impl Entity {
             .await?;
         Ok(result.is_some())
     }
+
+    pub async fn get(
+        user_id: u64,
+        account_name: impl Into<String>,
+        db: &DatabaseConnection,
+    ) -> crate::Result<Option<Model>> {
+        Self::find()
+            .filter(Column::UserId.eq(user_id))
+            .filter(Column::Name.eq(account_name.into()))
+            .one(db)
+            .await
+            .map_err(Into::into)
+    }
 }