replace id type

model/event.go

@@ -1,12 +1,14 @@
 package model
 
 import (
+	"github.com/google/uuid"
 	"github.com/lib/pq"
 	"gorm.io/gorm"
 	"time"
 )
 
 type Event struct {
+	ID uuid.UUID `gorm:"type:uuid;default:gen_random_uuid();primarykey"`
 	gorm.Model
 	Start         time.Time     `json:"start"`
 	End           time.Time     `json:"end"`