Fixed issue (#29)

Reviewed-on: phoenix/textsender_api#29

src/repo/message/event.rs

@@ -96,7 +96,9 @@ async fn parse_row(
     let contact_id: uuid::Uuid = row.try_get("contact_id")?;
     let message_id: uuid::Uuid = row.try_get("message_id")?;
     let sent: time::OffsetDateTime = row.try_get("sent")?;
-    let scheduled_message_event_id: uuid::Uuid = row.try_get("scheduled_message_event_id")?;
+    let scheduled_message_event_id: Option<uuid::Uuid> = row
+        .try_get("scheduled_message_event_id")
+        .unwrap_or_default();
     let user_id: uuid::Uuid = row.try_get("user_id")?;
 
     Ok(textsender_models::message::event::MessageEventResponse {
@@ -106,7 +108,7 @@ async fn parse_row(
         message_id,
         status,
         sent: Some(sent),
-        scheduled_message_event_id: Some(scheduled_message_event_id),
+        scheduled_message_event_id,
         user_id,
     })
 }