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
This commit is contained in:
long
125
backend/ent/promocodeusage/promocodeusage.go
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125
backend/ent/promocodeusage/promocodeusage.go
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// Code generated by ent, DO NOT EDIT.
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package promocodeusage
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import (
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"time"
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"entgo.io/ent/dialect/sql"
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"entgo.io/ent/dialect/sql/sqlgraph"
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)
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const (
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// Label holds the string label denoting the promocodeusage type in the database.
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Label = "promo_code_usage"
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// FieldID holds the string denoting the id field in the database.
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FieldID = "id"
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// FieldPromoCodeID holds the string denoting the promo_code_id field in the database.
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FieldPromoCodeID = "promo_code_id"
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// FieldUserID holds the string denoting the user_id field in the database.
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FieldUserID = "user_id"
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// FieldBonusAmount holds the string denoting the bonus_amount field in the database.
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FieldBonusAmount = "bonus_amount"
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// FieldUsedAt holds the string denoting the used_at field in the database.
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FieldUsedAt = "used_at"
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// EdgePromoCode holds the string denoting the promo_code edge name in mutations.
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EdgePromoCode = "promo_code"
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// EdgeUser holds the string denoting the user edge name in mutations.
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EdgeUser = "user"
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// Table holds the table name of the promocodeusage in the database.
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Table = "promo_code_usages"
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// PromoCodeTable is the table that holds the promo_code relation/edge.
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PromoCodeTable = "promo_code_usages"
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// PromoCodeInverseTable is the table name for the PromoCode entity.
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// It exists in this package in order to avoid circular dependency with the "promocode" package.
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PromoCodeInverseTable = "promo_codes"
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// PromoCodeColumn is the table column denoting the promo_code relation/edge.
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PromoCodeColumn = "promo_code_id"
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// UserTable is the table that holds the user relation/edge.
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UserTable = "promo_code_usages"
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// UserInverseTable is the table name for the User entity.
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// It exists in this package in order to avoid circular dependency with the "user" package.
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UserInverseTable = "users"
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// UserColumn is the table column denoting the user relation/edge.
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UserColumn = "user_id"
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)
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// Columns holds all SQL columns for promocodeusage fields.
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var Columns = []string{
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FieldID,
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FieldPromoCodeID,
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FieldUserID,
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FieldBonusAmount,
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FieldUsedAt,
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}
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// ValidColumn reports if the column name is valid (part of the table columns).
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func ValidColumn(column string) bool {
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for i := range Columns {
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if column == Columns[i] {
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return true
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}
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}
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return false
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}
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var (
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// DefaultUsedAt holds the default value on creation for the "used_at" field.
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DefaultUsedAt func() time.Time
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)
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// OrderOption defines the ordering options for the PromoCodeUsage queries.
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type OrderOption func(*sql.Selector)
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// ByID orders the results by the id field.
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func ByID(opts ...sql.OrderTermOption) OrderOption {
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return sql.OrderByField(FieldID, opts...).ToFunc()
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}
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// ByPromoCodeID orders the results by the promo_code_id field.
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func ByPromoCodeID(opts ...sql.OrderTermOption) OrderOption {
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return sql.OrderByField(FieldPromoCodeID, opts...).ToFunc()
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}
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// ByUserID orders the results by the user_id field.
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func ByUserID(opts ...sql.OrderTermOption) OrderOption {
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return sql.OrderByField(FieldUserID, opts...).ToFunc()
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}
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// ByBonusAmount orders the results by the bonus_amount field.
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func ByBonusAmount(opts ...sql.OrderTermOption) OrderOption {
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return sql.OrderByField(FieldBonusAmount, opts...).ToFunc()
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}
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// ByUsedAt orders the results by the used_at field.
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func ByUsedAt(opts ...sql.OrderTermOption) OrderOption {
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return sql.OrderByField(FieldUsedAt, opts...).ToFunc()
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}
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// ByPromoCodeField orders the results by promo_code field.
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func ByPromoCodeField(field string, opts ...sql.OrderTermOption) OrderOption {
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return func(s *sql.Selector) {
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sqlgraph.OrderByNeighborTerms(s, newPromoCodeStep(), sql.OrderByField(field, opts...))
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}
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}
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// ByUserField orders the results by user field.
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func ByUserField(field string, opts ...sql.OrderTermOption) OrderOption {
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return func(s *sql.Selector) {
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sqlgraph.OrderByNeighborTerms(s, newUserStep(), sql.OrderByField(field, opts...))
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}
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}
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func newPromoCodeStep() *sqlgraph.Step {
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return sqlgraph.NewStep(
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sqlgraph.From(Table, FieldID),
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sqlgraph.To(PromoCodeInverseTable, FieldID),
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sqlgraph.Edge(sqlgraph.M2O, true, PromoCodeTable, PromoCodeColumn),
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)
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}
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func newUserStep() *sqlgraph.Step {
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return sqlgraph.NewStep(
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sqlgraph.From(Table, FieldID),
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sqlgraph.To(UserInverseTable, FieldID),
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sqlgraph.Edge(sqlgraph.M2O, true, UserTable, UserColumn),
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)
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}
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257
backend/ent/promocodeusage/where.go
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257
backend/ent/promocodeusage/where.go
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@@ -0,0 +1,257 @@
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// Code generated by ent, DO NOT EDIT.
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package promocodeusage
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import (
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"time"
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"entgo.io/ent/dialect/sql"
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"entgo.io/ent/dialect/sql/sqlgraph"
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"github.com/Wei-Shaw/sub2api/ent/predicate"
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)
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// ID filters vertices based on their ID field.
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func ID(id int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldEQ(FieldID, id))
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}
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// IDEQ applies the EQ predicate on the ID field.
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func IDEQ(id int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldEQ(FieldID, id))
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}
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// IDNEQ applies the NEQ predicate on the ID field.
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func IDNEQ(id int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldNEQ(FieldID, id))
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}
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// IDIn applies the In predicate on the ID field.
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func IDIn(ids ...int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldIn(FieldID, ids...))
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}
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// IDNotIn applies the NotIn predicate on the ID field.
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func IDNotIn(ids ...int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldNotIn(FieldID, ids...))
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}
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// IDGT applies the GT predicate on the ID field.
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func IDGT(id int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldGT(FieldID, id))
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}
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// IDGTE applies the GTE predicate on the ID field.
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func IDGTE(id int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldGTE(FieldID, id))
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}
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// IDLT applies the LT predicate on the ID field.
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func IDLT(id int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldLT(FieldID, id))
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}
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// IDLTE applies the LTE predicate on the ID field.
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func IDLTE(id int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldLTE(FieldID, id))
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}
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// PromoCodeID applies equality check predicate on the "promo_code_id" field. It's identical to PromoCodeIDEQ.
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func PromoCodeID(v int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldEQ(FieldPromoCodeID, v))
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}
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// UserID applies equality check predicate on the "user_id" field. It's identical to UserIDEQ.
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func UserID(v int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldEQ(FieldUserID, v))
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}
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// BonusAmount applies equality check predicate on the "bonus_amount" field. It's identical to BonusAmountEQ.
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func BonusAmount(v float64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldEQ(FieldBonusAmount, v))
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}
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// UsedAt applies equality check predicate on the "used_at" field. It's identical to UsedAtEQ.
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func UsedAt(v time.Time) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldEQ(FieldUsedAt, v))
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}
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// PromoCodeIDEQ applies the EQ predicate on the "promo_code_id" field.
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func PromoCodeIDEQ(v int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldEQ(FieldPromoCodeID, v))
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}
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// PromoCodeIDNEQ applies the NEQ predicate on the "promo_code_id" field.
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func PromoCodeIDNEQ(v int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldNEQ(FieldPromoCodeID, v))
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}
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// PromoCodeIDIn applies the In predicate on the "promo_code_id" field.
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func PromoCodeIDIn(vs ...int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldIn(FieldPromoCodeID, vs...))
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}
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// PromoCodeIDNotIn applies the NotIn predicate on the "promo_code_id" field.
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func PromoCodeIDNotIn(vs ...int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldNotIn(FieldPromoCodeID, vs...))
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}
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// UserIDEQ applies the EQ predicate on the "user_id" field.
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func UserIDEQ(v int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldEQ(FieldUserID, v))
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}
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// UserIDNEQ applies the NEQ predicate on the "user_id" field.
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func UserIDNEQ(v int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldNEQ(FieldUserID, v))
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}
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// UserIDIn applies the In predicate on the "user_id" field.
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func UserIDIn(vs ...int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldIn(FieldUserID, vs...))
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}
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// UserIDNotIn applies the NotIn predicate on the "user_id" field.
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func UserIDNotIn(vs ...int64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldNotIn(FieldUserID, vs...))
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}
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// BonusAmountEQ applies the EQ predicate on the "bonus_amount" field.
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func BonusAmountEQ(v float64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldEQ(FieldBonusAmount, v))
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}
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// BonusAmountNEQ applies the NEQ predicate on the "bonus_amount" field.
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func BonusAmountNEQ(v float64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldNEQ(FieldBonusAmount, v))
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}
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// BonusAmountIn applies the In predicate on the "bonus_amount" field.
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func BonusAmountIn(vs ...float64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldIn(FieldBonusAmount, vs...))
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}
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// BonusAmountNotIn applies the NotIn predicate on the "bonus_amount" field.
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func BonusAmountNotIn(vs ...float64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldNotIn(FieldBonusAmount, vs...))
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}
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// BonusAmountGT applies the GT predicate on the "bonus_amount" field.
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func BonusAmountGT(v float64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldGT(FieldBonusAmount, v))
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}
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// BonusAmountGTE applies the GTE predicate on the "bonus_amount" field.
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func BonusAmountGTE(v float64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldGTE(FieldBonusAmount, v))
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}
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// BonusAmountLT applies the LT predicate on the "bonus_amount" field.
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func BonusAmountLT(v float64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldLT(FieldBonusAmount, v))
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}
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// BonusAmountLTE applies the LTE predicate on the "bonus_amount" field.
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func BonusAmountLTE(v float64) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldLTE(FieldBonusAmount, v))
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}
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// UsedAtEQ applies the EQ predicate on the "used_at" field.
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func UsedAtEQ(v time.Time) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldEQ(FieldUsedAt, v))
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}
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// UsedAtNEQ applies the NEQ predicate on the "used_at" field.
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func UsedAtNEQ(v time.Time) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldNEQ(FieldUsedAt, v))
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}
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// UsedAtIn applies the In predicate on the "used_at" field.
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func UsedAtIn(vs ...time.Time) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldIn(FieldUsedAt, vs...))
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}
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// UsedAtNotIn applies the NotIn predicate on the "used_at" field.
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func UsedAtNotIn(vs ...time.Time) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldNotIn(FieldUsedAt, vs...))
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}
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// UsedAtGT applies the GT predicate on the "used_at" field.
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func UsedAtGT(v time.Time) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldGT(FieldUsedAt, v))
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}
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// UsedAtGTE applies the GTE predicate on the "used_at" field.
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func UsedAtGTE(v time.Time) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldGTE(FieldUsedAt, v))
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}
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// UsedAtLT applies the LT predicate on the "used_at" field.
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func UsedAtLT(v time.Time) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldLT(FieldUsedAt, v))
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}
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// UsedAtLTE applies the LTE predicate on the "used_at" field.
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func UsedAtLTE(v time.Time) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.FieldLTE(FieldUsedAt, v))
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}
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// HasPromoCode applies the HasEdge predicate on the "promo_code" edge.
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func HasPromoCode() predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(func(s *sql.Selector) {
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step := sqlgraph.NewStep(
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sqlgraph.From(Table, FieldID),
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sqlgraph.Edge(sqlgraph.M2O, true, PromoCodeTable, PromoCodeColumn),
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)
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sqlgraph.HasNeighbors(s, step)
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})
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}
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// HasPromoCodeWith applies the HasEdge predicate on the "promo_code" edge with a given conditions (other predicates).
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func HasPromoCodeWith(preds ...predicate.PromoCode) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(func(s *sql.Selector) {
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step := newPromoCodeStep()
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sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
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for _, p := range preds {
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p(s)
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}
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})
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})
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}
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// HasUser applies the HasEdge predicate on the "user" edge.
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func HasUser() predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(func(s *sql.Selector) {
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step := sqlgraph.NewStep(
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sqlgraph.From(Table, FieldID),
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sqlgraph.Edge(sqlgraph.M2O, true, UserTable, UserColumn),
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)
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sqlgraph.HasNeighbors(s, step)
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})
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}
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// HasUserWith applies the HasEdge predicate on the "user" edge with a given conditions (other predicates).
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func HasUserWith(preds ...predicate.User) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(func(s *sql.Selector) {
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step := newUserStep()
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sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
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for _, p := range preds {
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p(s)
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}
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})
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})
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}
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// And groups predicates with the AND operator between them.
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func And(predicates ...predicate.PromoCodeUsage) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.AndPredicates(predicates...))
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}
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// Or groups predicates with the OR operator between them.
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func Or(predicates ...predicate.PromoCodeUsage) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.OrPredicates(predicates...))
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}
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// Not applies the not operator on the given predicate.
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func Not(p predicate.PromoCodeUsage) predicate.PromoCodeUsage {
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return predicate.PromoCodeUsage(sql.NotPredicates(p))
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}
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