Add Tiers and Game Prize

internal/entities/tier.go

@@ -0,0 +1,28 @@
+package entities
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+type Tier struct {
+	ID        uuid.UUID `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
+	Name      string    `gorm:"type:varchar(100);not null;unique" json:"name" validate:"required"`
+	MinPoints int64     `gorm:"not null" json:"min_points" validate:"min=0"`
+	Benefits  Metadata  `gorm:"type:jsonb;default:'{}'" json:"benefits"`
+	CreatedAt time.Time `gorm:"autoCreateTime" json:"created_at"`
+	UpdatedAt time.Time `gorm:"autoUpdateTime" json:"updated_at"`
+}
+
+func (t *Tier) BeforeCreate(tx *gorm.DB) error {
+	if t.ID == uuid.Nil {
+		t.ID = uuid.New()
+	}
+	return nil
+}
+
+func (Tier) TableName() string {
+	return "tiers"
+}