Files
sub2api/backend/ent/promocodeusage/promocodeusage.go
long d2fc14fb97 feat: 实现注册优惠码功能
- 支持创建/编辑/删除优惠码,设置赠送金额和使用限制
  - 注册页面实时验证优惠码并显示赠送金额
  - 支持 URL 参数自动填充 (?promo=CODE)
  - 添加优惠码验证接口速率限制
  - 使用数据库行锁防止并发超限
  - 新增后台优惠码管理页面,支持复制注册链接
2026-01-10 13:14:35 +08:00

126 lines
4.2 KiB
Go

// Code generated by ent, DO NOT EDIT.
package promocodeusage
import (
"time"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/sqlgraph"
)
const (
// Label holds the string label denoting the promocodeusage type in the database.
Label = "promo_code_usage"
// FieldID holds the string denoting the id field in the database.
FieldID = "id"
// FieldPromoCodeID holds the string denoting the promo_code_id field in the database.
FieldPromoCodeID = "promo_code_id"
// FieldUserID holds the string denoting the user_id field in the database.
FieldUserID = "user_id"
// FieldBonusAmount holds the string denoting the bonus_amount field in the database.
FieldBonusAmount = "bonus_amount"
// FieldUsedAt holds the string denoting the used_at field in the database.
FieldUsedAt = "used_at"
// EdgePromoCode holds the string denoting the promo_code edge name in mutations.
EdgePromoCode = "promo_code"
// EdgeUser holds the string denoting the user edge name in mutations.
EdgeUser = "user"
// Table holds the table name of the promocodeusage in the database.
Table = "promo_code_usages"
// PromoCodeTable is the table that holds the promo_code relation/edge.
PromoCodeTable = "promo_code_usages"
// PromoCodeInverseTable is the table name for the PromoCode entity.
// It exists in this package in order to avoid circular dependency with the "promocode" package.
PromoCodeInverseTable = "promo_codes"
// PromoCodeColumn is the table column denoting the promo_code relation/edge.
PromoCodeColumn = "promo_code_id"
// UserTable is the table that holds the user relation/edge.
UserTable = "promo_code_usages"
// UserInverseTable is the table name for the User entity.
// It exists in this package in order to avoid circular dependency with the "user" package.
UserInverseTable = "users"
// UserColumn is the table column denoting the user relation/edge.
UserColumn = "user_id"
)
// Columns holds all SQL columns for promocodeusage fields.
var Columns = []string{
FieldID,
FieldPromoCodeID,
FieldUserID,
FieldBonusAmount,
FieldUsedAt,
}
// ValidColumn reports if the column name is valid (part of the table columns).
func ValidColumn(column string) bool {
for i := range Columns {
if column == Columns[i] {
return true
}
}
return false
}
var (
// DefaultUsedAt holds the default value on creation for the "used_at" field.
DefaultUsedAt func() time.Time
)
// OrderOption defines the ordering options for the PromoCodeUsage queries.
type OrderOption func(*sql.Selector)
// ByID orders the results by the id field.
func ByID(opts ...sql.OrderTermOption) OrderOption {
return sql.OrderByField(FieldID, opts...).ToFunc()
}
// ByPromoCodeID orders the results by the promo_code_id field.
func ByPromoCodeID(opts ...sql.OrderTermOption) OrderOption {
return sql.OrderByField(FieldPromoCodeID, opts...).ToFunc()
}
// ByUserID orders the results by the user_id field.
func ByUserID(opts ...sql.OrderTermOption) OrderOption {
return sql.OrderByField(FieldUserID, opts...).ToFunc()
}
// ByBonusAmount orders the results by the bonus_amount field.
func ByBonusAmount(opts ...sql.OrderTermOption) OrderOption {
return sql.OrderByField(FieldBonusAmount, opts...).ToFunc()
}
// ByUsedAt orders the results by the used_at field.
func ByUsedAt(opts ...sql.OrderTermOption) OrderOption {
return sql.OrderByField(FieldUsedAt, opts...).ToFunc()
}
// ByPromoCodeField orders the results by promo_code field.
func ByPromoCodeField(field string, opts ...sql.OrderTermOption) OrderOption {
return func(s *sql.Selector) {
sqlgraph.OrderByNeighborTerms(s, newPromoCodeStep(), sql.OrderByField(field, opts...))
}
}
// ByUserField orders the results by user field.
func ByUserField(field string, opts ...sql.OrderTermOption) OrderOption {
return func(s *sql.Selector) {
sqlgraph.OrderByNeighborTerms(s, newUserStep(), sql.OrderByField(field, opts...))
}
}
func newPromoCodeStep() *sqlgraph.Step {
return sqlgraph.NewStep(
sqlgraph.From(Table, FieldID),
sqlgraph.To(PromoCodeInverseTable, FieldID),
sqlgraph.Edge(sqlgraph.M2O, true, PromoCodeTable, PromoCodeColumn),
)
}
func newUserStep() *sqlgraph.Step {
return sqlgraph.NewStep(
sqlgraph.From(Table, FieldID),
sqlgraph.To(UserInverseTable, FieldID),
sqlgraph.Edge(sqlgraph.M2O, true, UserTable, UserColumn),
)
}