package model import ( "gorm.io/gorm" "hepa-calc-api/global" "time" ) // SystemSingle 配置-单项配置 type SystemSingle struct { SystemSingleId int64 `gorm:"column:system_single_id;type:bigint(19);primary_key;comment:主键id" json:"system_single_id"` FirstTimePrice *float64 `gorm:"column:first_time_price;type:decimal(10,2);comment:首次购买价格" json:"first_time_price"` ValidDays int `gorm:"column:valid_days;type:int(5);default:1;comment:购买后有效天数" json:"valid_days"` Model } func (m *SystemSingle) TableName() string { return "system_single" } func (m *SystemSingle) BeforeCreate(tx *gorm.DB) error { if m.SystemSingleId == 0 { m.SystemSingleId = global.Snowflake.Generate().Int64() } m.CreatedAt = LocalTime(time.Now()) tx.Statement.SetColumn("CreatedAt", m.CreatedAt) m.UpdatedAt = LocalTime(time.Now()) tx.Statement.SetColumn("UpdatedAt", m.UpdatedAt) return nil }