change function and gorm tag

handlers/events.go

@@ -21,12 +21,18 @@ func (dh *DatabaseHandler) StartNewEvent(event *models.Event) error {
 	return dh.database.AddNewColum(&event)
 }
 
-func (dh *DatabaseHandler) GetEvent(id uint) (event []models.Event, err error) {
+func (dh *DatabaseHandler) GetEvent(id uint) (events []models.Event, err error) {
 	if !dh.DatabaseOpened() {
-		return event, errors.New("database not opened")
+		return events, errors.New("database not opened")
 	}
 
-	err = dh.database.GetById(&event, "Attendees", id)
+	err = dh.database.GetById(&events, "Attendees", id)
+
+	for i := range events {
+		for j := range events[i].Attendees {
+			events[i].Attendees[j].Decrypt(dh.token)
+		}
+	}
 	if err != nil {
 		return
 	}

models/event.go

@@ -5,5 +5,5 @@ type Event struct {
 	Name      string    `gorm:"column:name" json:"name"`
 	Date      string    `gorm:"column:date" json:"date"`
 	Day       string    `gorm:"column:day" json:"day"`
-	Attendees []*Member `gorm:"many2many:member_events;"`
+	Attendees []*Member `gorm:"many2many:member_events;constraint:OnDelete:CASCADE;" json:"attendees"`
 }

models/member.go

@@ -21,9 +21,9 @@ type Member struct {
 	FirstVisit    string   `gorm:"column:firstVisit" json:"firstVisit,omitempty"`
 	LastVisit     string   `gorm:"column:lastVisit" json:"lastVisit,omitempty"`
 	GroupId       *int     `json:"GroupId,omitempty"`
-	Group         *Group   `gorm:"foreignKey:GroupId" json:"group,omitempty"`
+	Group         *Group   `gorm:"foreignKey:GroupId;constraint:OnDelete:CASCADE;"json:"group,omitempty"`
 	ResponsibleId *int     `json:"ResponsibleId,omitempty"`
-	Responsible   *Member  `gorm:"foreignKey:ResponsibleId" json:"responsible,omitempty"`
+	Responsible   *Member  `gorm:"foreignKey:ResponsibleId;constraint:OnDelete:CASCADE;" json:"responsible,omitempty"`
 	Comment       string   `gorm:"column:comment" json:"comment,omitempty"`
 	Events        []*Event `gorm:"many2many:member_events;" `
 }