fix wrong mix of new current ids

api/eventHandler.go

@@ -25,8 +25,7 @@ func (a *APIHandler) StartNewEvent(c *gin.Context) {
 
 	if err := a.DbHandler.StartNewEvent(name); err != nil {
 		a.logger.Error("StartNewEvent", err)
-
+		c.JSON(http.StatusBadRequest, gin.H{"message": err.Error()})
-		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}
 
@@ -115,7 +114,7 @@ func (a *APIHandler) AddNewAttendees(c *gin.Context) {
 
 	err = a.DbHandler.AddAttendeesToEvent(event)
 	if err != nil {
-		a.logger.Error("DeleteEvent", err)
+		a.logger.Error("AddNewAttendees", err)
 
 		c.JSON(http.StatusInternalServerError, gin.H{
 			"message": err.Error(),
@@ -147,7 +146,7 @@ func (a *APIHandler) DeleteAttendee(c *gin.Context) {
 
 	err = a.DbHandler.DeleteAttendeesFromEvent(event)
 	if err != nil {
-		a.logger.Error("DeleteAttendeesFromEvent", err)
+		a.logger.Error("DeleteAttendee", err)
 		c.JSON(http.StatusInternalServerError, gin.H{
 			"message": err.Error(),
 		})

handlers/events.go

@@ -57,7 +57,7 @@ func (dh *DatabaseHandler) AddAttendeesToEvent(newEvent models.Event) error {
 	}
 
 	var event models.Event
-	err := dh.database.GetById(&event, uint(event.Id))
+	err := dh.database.GetById(&event, uint(newEvent.Id))
 	if err != nil {
 		return err
 	}
@@ -74,7 +74,7 @@ next:
 
 	event.Count = len(event.Attendees)
 
-	return dh.database.UpdateValuesById(&event, uint(event.Id))
+	return dh.database.UpdateValuesById(&event, uint(newEvent.Id))
 }
 
 func (dh *DatabaseHandler) DeleteAttendeesFromEvent(newEvent models.Event) error {
@@ -83,7 +83,7 @@ func (dh *DatabaseHandler) DeleteAttendeesFromEvent(newEvent models.Event) error
 	}
 
 	var event models.Event
-	dh.database.GetById(&event, uint(event.Id))
+	dh.database.GetById(&event, uint(newEvent.Id))
 
 next:
 	for _, newAttendee := range newEvent.Attendees {
@@ -95,5 +95,5 @@ next:
 		}
 	}
 	event.Count = len(event.Attendees)
-	return dh.database.UpdateValuesById(&event, uint(event.Id))
+	return dh.database.UpdateValuesById(&event, uint(newEvent.Id))
 }