initial commit

backend/internal/model/base.go

@@ -0,0 +1,20 @@
+package model
+
+import (
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+	"time"
+)
+
+// Base contains common columns for all tables.
+type Base struct {
+	ID        string    `gorm:"primaryKey;not null" json:"id"`
+	CreatedAt time.Time `json:"createdAt"`
+}
+
+func (b *Base) BeforeCreate(db *gorm.DB) (err error) {
+	if b.ID == "" {
+		b.ID = uuid.New().String()
+	}
+	return
+}