Minor improvements in pledge handler

pkg/handler/handler.go

@@ -226,7 +226,13 @@ func (h handler) webhook(c *gin.Context) {
 	}
 
 	if err := h.patreon.Hook(&pledge.Data, eventName); err != nil {
-		log.Printf("failed to process patreon event %s (%s): %v", pledge.Data.ID, eventName, err)
+		log.Printf(
+			"failed to process patreon event %s (event: %s, user: %s): %v",
+			pledge.Data.ID,
+			eventName,
+			pledge.Data.Relationships.Patron.Data.ID,
+			err)
+
 		c.JSON(internalError(err))
 		return
 	}

pkg/support/patreon.go

@@ -72,7 +72,17 @@ func (h Patreon) Hook(pledge *patreon.Pledge, event string) error {
 	case patreon.EventCreatePledge:
 		return h.db.Insert(obj)
 	case patreon.EventUpdatePledge:
-		return h.db.Update(obj)
+		err := h.db.Update(obj)
+		if err == pg.ErrNoRows {
+			log.Printf(
+				"! ignoring update for not existing pledge %s for user %s",
+				pledge.ID,
+				pledge.Relationships.Patron.Data.ID)
+
+			return nil
+		}
+
+		return err
 	case patreon.EventDeletePledge:
 		err := h.db.Delete(obj)
 		if err == pg.ErrNoRows {