Open SQLite with WAL and bound delivery re-dispatch by ownership (closes #256)

internal/delivery/target_database.go

@@ -58,12 +58,17 @@ func (t *databaseTarget) Deliver(
 			"error", err,
 		)
 
-		t.eng.recordResult(
+		recErr := t.eng.recordResult(
 			webhookDB, d, 1, false, 0, "",
 			err.Error(), elapsed.Milliseconds(),
 		)
+		if recErr != nil {
+			t.eng.bookkeepingFailed(d, recErr)
 
-		t.eng.updateDeliveryStatus(
+			return
+		}
+
+		t.eng.settleStatus(
 			webhookDB, d, d.Target.Type,
 			database.DeliveryStatusFailed,
 		)
@@ -71,12 +76,17 @@ func (t *databaseTarget) Deliver(
 		return
 	}
 
-	t.eng.recordResult(
+	recErr := t.eng.recordResult(
 		webhookDB, d, 1, true, 0, "", "",
 		elapsed.Milliseconds(),
 	)
+	if recErr != nil {
+		t.eng.bookkeepingFailed(d, recErr)
 
-	t.eng.updateDeliveryStatus(
+		return
+	}
+
+	t.eng.settleStatus(
 		webhookDB, d, d.Target.Type,
 		database.DeliveryStatusDelivered,
 	)