Files
xinghuoapi/backend/ent/promocodeusage_update.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

511 lines
15 KiB
Go

// Code generated by ent, DO NOT EDIT.
package ent
import (
"context"
"errors"
"fmt"
"time"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/sqlgraph"
"entgo.io/ent/schema/field"
"github.com/Wei-Shaw/sub2api/ent/predicate"
"github.com/Wei-Shaw/sub2api/ent/promocode"
"github.com/Wei-Shaw/sub2api/ent/promocodeusage"
"github.com/Wei-Shaw/sub2api/ent/user"
)
// PromoCodeUsageUpdate is the builder for updating PromoCodeUsage entities.
type PromoCodeUsageUpdate struct {
config
hooks []Hook
mutation *PromoCodeUsageMutation
}
// Where appends a list predicates to the PromoCodeUsageUpdate builder.
func (_u *PromoCodeUsageUpdate) Where(ps ...predicate.PromoCodeUsage) *PromoCodeUsageUpdate {
_u.mutation.Where(ps...)
return _u
}
// SetPromoCodeID sets the "promo_code_id" field.
func (_u *PromoCodeUsageUpdate) SetPromoCodeID(v int64) *PromoCodeUsageUpdate {
_u.mutation.SetPromoCodeID(v)
return _u
}
// SetNillablePromoCodeID sets the "promo_code_id" field if the given value is not nil.
func (_u *PromoCodeUsageUpdate) SetNillablePromoCodeID(v *int64) *PromoCodeUsageUpdate {
if v != nil {
_u.SetPromoCodeID(*v)
}
return _u
}
// SetUserID sets the "user_id" field.
func (_u *PromoCodeUsageUpdate) SetUserID(v int64) *PromoCodeUsageUpdate {
_u.mutation.SetUserID(v)
return _u
}
// SetNillableUserID sets the "user_id" field if the given value is not nil.
func (_u *PromoCodeUsageUpdate) SetNillableUserID(v *int64) *PromoCodeUsageUpdate {
if v != nil {
_u.SetUserID(*v)
}
return _u
}
// SetBonusAmount sets the "bonus_amount" field.
func (_u *PromoCodeUsageUpdate) SetBonusAmount(v float64) *PromoCodeUsageUpdate {
_u.mutation.ResetBonusAmount()
_u.mutation.SetBonusAmount(v)
return _u
}
// SetNillableBonusAmount sets the "bonus_amount" field if the given value is not nil.
func (_u *PromoCodeUsageUpdate) SetNillableBonusAmount(v *float64) *PromoCodeUsageUpdate {
if v != nil {
_u.SetBonusAmount(*v)
}
return _u
}
// AddBonusAmount adds value to the "bonus_amount" field.
func (_u *PromoCodeUsageUpdate) AddBonusAmount(v float64) *PromoCodeUsageUpdate {
_u.mutation.AddBonusAmount(v)
return _u
}
// SetUsedAt sets the "used_at" field.
func (_u *PromoCodeUsageUpdate) SetUsedAt(v time.Time) *PromoCodeUsageUpdate {
_u.mutation.SetUsedAt(v)
return _u
}
// SetNillableUsedAt sets the "used_at" field if the given value is not nil.
func (_u *PromoCodeUsageUpdate) SetNillableUsedAt(v *time.Time) *PromoCodeUsageUpdate {
if v != nil {
_u.SetUsedAt(*v)
}
return _u
}
// SetPromoCode sets the "promo_code" edge to the PromoCode entity.
func (_u *PromoCodeUsageUpdate) SetPromoCode(v *PromoCode) *PromoCodeUsageUpdate {
return _u.SetPromoCodeID(v.ID)
}
// SetUser sets the "user" edge to the User entity.
func (_u *PromoCodeUsageUpdate) SetUser(v *User) *PromoCodeUsageUpdate {
return _u.SetUserID(v.ID)
}
// Mutation returns the PromoCodeUsageMutation object of the builder.
func (_u *PromoCodeUsageUpdate) Mutation() *PromoCodeUsageMutation {
return _u.mutation
}
// ClearPromoCode clears the "promo_code" edge to the PromoCode entity.
func (_u *PromoCodeUsageUpdate) ClearPromoCode() *PromoCodeUsageUpdate {
_u.mutation.ClearPromoCode()
return _u
}
// ClearUser clears the "user" edge to the User entity.
func (_u *PromoCodeUsageUpdate) ClearUser() *PromoCodeUsageUpdate {
_u.mutation.ClearUser()
return _u
}
// Save executes the query and returns the number of nodes affected by the update operation.
func (_u *PromoCodeUsageUpdate) Save(ctx context.Context) (int, error) {
return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
}
// SaveX is like Save, but panics if an error occurs.
func (_u *PromoCodeUsageUpdate) SaveX(ctx context.Context) int {
affected, err := _u.Save(ctx)
if err != nil {
panic(err)
}
return affected
}
// Exec executes the query.
func (_u *PromoCodeUsageUpdate) Exec(ctx context.Context) error {
_, err := _u.Save(ctx)
return err
}
// ExecX is like Exec, but panics if an error occurs.
func (_u *PromoCodeUsageUpdate) ExecX(ctx context.Context) {
if err := _u.Exec(ctx); err != nil {
panic(err)
}
}
// check runs all checks and user-defined validators on the builder.
func (_u *PromoCodeUsageUpdate) check() error {
if _u.mutation.PromoCodeCleared() && len(_u.mutation.PromoCodeIDs()) > 0 {
return errors.New(`ent: clearing a required unique edge "PromoCodeUsage.promo_code"`)
}
if _u.mutation.UserCleared() && len(_u.mutation.UserIDs()) > 0 {
return errors.New(`ent: clearing a required unique edge "PromoCodeUsage.user"`)
}
return nil
}
func (_u *PromoCodeUsageUpdate) sqlSave(ctx context.Context) (_node int, err error) {
if err := _u.check(); err != nil {
return _node, err
}
_spec := sqlgraph.NewUpdateSpec(promocodeusage.Table, promocodeusage.Columns, sqlgraph.NewFieldSpec(promocodeusage.FieldID, field.TypeInt64))
if ps := _u.mutation.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
if value, ok := _u.mutation.BonusAmount(); ok {
_spec.SetField(promocodeusage.FieldBonusAmount, field.TypeFloat64, value)
}
if value, ok := _u.mutation.AddedBonusAmount(); ok {
_spec.AddField(promocodeusage.FieldBonusAmount, field.TypeFloat64, value)
}
if value, ok := _u.mutation.UsedAt(); ok {
_spec.SetField(promocodeusage.FieldUsedAt, field.TypeTime, value)
}
if _u.mutation.PromoCodeCleared() {
edge := &sqlgraph.EdgeSpec{
Rel: sqlgraph.M2O,
Inverse: true,
Table: promocodeusage.PromoCodeTable,
Columns: []string{promocodeusage.PromoCodeColumn},
Bidi: false,
Target: &sqlgraph.EdgeTarget{
IDSpec: sqlgraph.NewFieldSpec(promocode.FieldID, field.TypeInt64),
},
}
_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
}
if nodes := _u.mutation.PromoCodeIDs(); len(nodes) > 0 {
edge := &sqlgraph.EdgeSpec{
Rel: sqlgraph.M2O,
Inverse: true,
Table: promocodeusage.PromoCodeTable,
Columns: []string{promocodeusage.PromoCodeColumn},
Bidi: false,
Target: &sqlgraph.EdgeTarget{
IDSpec: sqlgraph.NewFieldSpec(promocode.FieldID, field.TypeInt64),
},
}
for _, k := range nodes {
edge.Target.Nodes = append(edge.Target.Nodes, k)
}
_spec.Edges.Add = append(_spec.Edges.Add, edge)
}
if _u.mutation.UserCleared() {
edge := &sqlgraph.EdgeSpec{
Rel: sqlgraph.M2O,
Inverse: true,
Table: promocodeusage.UserTable,
Columns: []string{promocodeusage.UserColumn},
Bidi: false,
Target: &sqlgraph.EdgeTarget{
IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt64),
},
}
_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
}
if nodes := _u.mutation.UserIDs(); len(nodes) > 0 {
edge := &sqlgraph.EdgeSpec{
Rel: sqlgraph.M2O,
Inverse: true,
Table: promocodeusage.UserTable,
Columns: []string{promocodeusage.UserColumn},
Bidi: false,
Target: &sqlgraph.EdgeTarget{
IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt64),
},
}
for _, k := range nodes {
edge.Target.Nodes = append(edge.Target.Nodes, k)
}
_spec.Edges.Add = append(_spec.Edges.Add, edge)
}
if _node, err = sqlgraph.UpdateNodes(ctx, _u.driver, _spec); err != nil {
if _, ok := err.(*sqlgraph.NotFoundError); ok {
err = &NotFoundError{promocodeusage.Label}
} else if sqlgraph.IsConstraintError(err) {
err = &ConstraintError{msg: err.Error(), wrap: err}
}
return 0, err
}
_u.mutation.done = true
return _node, nil
}
// PromoCodeUsageUpdateOne is the builder for updating a single PromoCodeUsage entity.
type PromoCodeUsageUpdateOne struct {
config
fields []string
hooks []Hook
mutation *PromoCodeUsageMutation
}
// SetPromoCodeID sets the "promo_code_id" field.
func (_u *PromoCodeUsageUpdateOne) SetPromoCodeID(v int64) *PromoCodeUsageUpdateOne {
_u.mutation.SetPromoCodeID(v)
return _u
}
// SetNillablePromoCodeID sets the "promo_code_id" field if the given value is not nil.
func (_u *PromoCodeUsageUpdateOne) SetNillablePromoCodeID(v *int64) *PromoCodeUsageUpdateOne {
if v != nil {
_u.SetPromoCodeID(*v)
}
return _u
}
// SetUserID sets the "user_id" field.
func (_u *PromoCodeUsageUpdateOne) SetUserID(v int64) *PromoCodeUsageUpdateOne {
_u.mutation.SetUserID(v)
return _u
}
// SetNillableUserID sets the "user_id" field if the given value is not nil.
func (_u *PromoCodeUsageUpdateOne) SetNillableUserID(v *int64) *PromoCodeUsageUpdateOne {
if v != nil {
_u.SetUserID(*v)
}
return _u
}
// SetBonusAmount sets the "bonus_amount" field.
func (_u *PromoCodeUsageUpdateOne) SetBonusAmount(v float64) *PromoCodeUsageUpdateOne {
_u.mutation.ResetBonusAmount()
_u.mutation.SetBonusAmount(v)
return _u
}
// SetNillableBonusAmount sets the "bonus_amount" field if the given value is not nil.
func (_u *PromoCodeUsageUpdateOne) SetNillableBonusAmount(v *float64) *PromoCodeUsageUpdateOne {
if v != nil {
_u.SetBonusAmount(*v)
}
return _u
}
// AddBonusAmount adds value to the "bonus_amount" field.
func (_u *PromoCodeUsageUpdateOne) AddBonusAmount(v float64) *PromoCodeUsageUpdateOne {
_u.mutation.AddBonusAmount(v)
return _u
}
// SetUsedAt sets the "used_at" field.
func (_u *PromoCodeUsageUpdateOne) SetUsedAt(v time.Time) *PromoCodeUsageUpdateOne {
_u.mutation.SetUsedAt(v)
return _u
}
// SetNillableUsedAt sets the "used_at" field if the given value is not nil.
func (_u *PromoCodeUsageUpdateOne) SetNillableUsedAt(v *time.Time) *PromoCodeUsageUpdateOne {
if v != nil {
_u.SetUsedAt(*v)
}
return _u
}
// SetPromoCode sets the "promo_code" edge to the PromoCode entity.
func (_u *PromoCodeUsageUpdateOne) SetPromoCode(v *PromoCode) *PromoCodeUsageUpdateOne {
return _u.SetPromoCodeID(v.ID)
}
// SetUser sets the "user" edge to the User entity.
func (_u *PromoCodeUsageUpdateOne) SetUser(v *User) *PromoCodeUsageUpdateOne {
return _u.SetUserID(v.ID)
}
// Mutation returns the PromoCodeUsageMutation object of the builder.
func (_u *PromoCodeUsageUpdateOne) Mutation() *PromoCodeUsageMutation {
return _u.mutation
}
// ClearPromoCode clears the "promo_code" edge to the PromoCode entity.
func (_u *PromoCodeUsageUpdateOne) ClearPromoCode() *PromoCodeUsageUpdateOne {
_u.mutation.ClearPromoCode()
return _u
}
// ClearUser clears the "user" edge to the User entity.
func (_u *PromoCodeUsageUpdateOne) ClearUser() *PromoCodeUsageUpdateOne {
_u.mutation.ClearUser()
return _u
}
// Where appends a list predicates to the PromoCodeUsageUpdate builder.
func (_u *PromoCodeUsageUpdateOne) Where(ps ...predicate.PromoCodeUsage) *PromoCodeUsageUpdateOne {
_u.mutation.Where(ps...)
return _u
}
// Select allows selecting one or more fields (columns) of the returned entity.
// The default is selecting all fields defined in the entity schema.
func (_u *PromoCodeUsageUpdateOne) Select(field string, fields ...string) *PromoCodeUsageUpdateOne {
_u.fields = append([]string{field}, fields...)
return _u
}
// Save executes the query and returns the updated PromoCodeUsage entity.
func (_u *PromoCodeUsageUpdateOne) Save(ctx context.Context) (*PromoCodeUsage, error) {
return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
}
// SaveX is like Save, but panics if an error occurs.
func (_u *PromoCodeUsageUpdateOne) SaveX(ctx context.Context) *PromoCodeUsage {
node, err := _u.Save(ctx)
if err != nil {
panic(err)
}
return node
}
// Exec executes the query on the entity.
func (_u *PromoCodeUsageUpdateOne) Exec(ctx context.Context) error {
_, err := _u.Save(ctx)
return err
}
// ExecX is like Exec, but panics if an error occurs.
func (_u *PromoCodeUsageUpdateOne) ExecX(ctx context.Context) {
if err := _u.Exec(ctx); err != nil {
panic(err)
}
}
// check runs all checks and user-defined validators on the builder.
func (_u *PromoCodeUsageUpdateOne) check() error {
if _u.mutation.PromoCodeCleared() && len(_u.mutation.PromoCodeIDs()) > 0 {
return errors.New(`ent: clearing a required unique edge "PromoCodeUsage.promo_code"`)
}
if _u.mutation.UserCleared() && len(_u.mutation.UserIDs()) > 0 {
return errors.New(`ent: clearing a required unique edge "PromoCodeUsage.user"`)
}
return nil
}
func (_u *PromoCodeUsageUpdateOne) sqlSave(ctx context.Context) (_node *PromoCodeUsage, err error) {
if err := _u.check(); err != nil {
return _node, err
}
_spec := sqlgraph.NewUpdateSpec(promocodeusage.Table, promocodeusage.Columns, sqlgraph.NewFieldSpec(promocodeusage.FieldID, field.TypeInt64))
id, ok := _u.mutation.ID()
if !ok {
return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "PromoCodeUsage.id" for update`)}
}
_spec.Node.ID.Value = id
if fields := _u.fields; len(fields) > 0 {
_spec.Node.Columns = make([]string, 0, len(fields))
_spec.Node.Columns = append(_spec.Node.Columns, promocodeusage.FieldID)
for _, f := range fields {
if !promocodeusage.ValidColumn(f) {
return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
}
if f != promocodeusage.FieldID {
_spec.Node.Columns = append(_spec.Node.Columns, f)
}
}
}
if ps := _u.mutation.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
if value, ok := _u.mutation.BonusAmount(); ok {
_spec.SetField(promocodeusage.FieldBonusAmount, field.TypeFloat64, value)
}
if value, ok := _u.mutation.AddedBonusAmount(); ok {
_spec.AddField(promocodeusage.FieldBonusAmount, field.TypeFloat64, value)
}
if value, ok := _u.mutation.UsedAt(); ok {
_spec.SetField(promocodeusage.FieldUsedAt, field.TypeTime, value)
}
if _u.mutation.PromoCodeCleared() {
edge := &sqlgraph.EdgeSpec{
Rel: sqlgraph.M2O,
Inverse: true,
Table: promocodeusage.PromoCodeTable,
Columns: []string{promocodeusage.PromoCodeColumn},
Bidi: false,
Target: &sqlgraph.EdgeTarget{
IDSpec: sqlgraph.NewFieldSpec(promocode.FieldID, field.TypeInt64),
},
}
_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
}
if nodes := _u.mutation.PromoCodeIDs(); len(nodes) > 0 {
edge := &sqlgraph.EdgeSpec{
Rel: sqlgraph.M2O,
Inverse: true,
Table: promocodeusage.PromoCodeTable,
Columns: []string{promocodeusage.PromoCodeColumn},
Bidi: false,
Target: &sqlgraph.EdgeTarget{
IDSpec: sqlgraph.NewFieldSpec(promocode.FieldID, field.TypeInt64),
},
}
for _, k := range nodes {
edge.Target.Nodes = append(edge.Target.Nodes, k)
}
_spec.Edges.Add = append(_spec.Edges.Add, edge)
}
if _u.mutation.UserCleared() {
edge := &sqlgraph.EdgeSpec{
Rel: sqlgraph.M2O,
Inverse: true,
Table: promocodeusage.UserTable,
Columns: []string{promocodeusage.UserColumn},
Bidi: false,
Target: &sqlgraph.EdgeTarget{
IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt64),
},
}
_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
}
if nodes := _u.mutation.UserIDs(); len(nodes) > 0 {
edge := &sqlgraph.EdgeSpec{
Rel: sqlgraph.M2O,
Inverse: true,
Table: promocodeusage.UserTable,
Columns: []string{promocodeusage.UserColumn},
Bidi: false,
Target: &sqlgraph.EdgeTarget{
IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt64),
},
}
for _, k := range nodes {
edge.Target.Nodes = append(edge.Target.Nodes, k)
}
_spec.Edges.Add = append(_spec.Edges.Add, edge)
}
_node = &PromoCodeUsage{config: _u.config}
_spec.Assign = _node.assignValues
_spec.ScanValues = _node.scanValues
if err = sqlgraph.UpdateNode(ctx, _u.driver, _spec); err != nil {
if _, ok := err.(*sqlgraph.NotFoundError); ok {
err = &NotFoundError{promocodeusage.Label}
} else if sqlgraph.IsConstraintError(err) {
err = &ConstraintError{msg: err.Error(), wrap: err}
}
return nil, err
}
_u.mutation.done = true
return _node, nil
}