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
187
backend/ent/promocodeusage.go
Normal file
187
backend/ent/promocodeusage.go
Normal file
@@ -0,0 +1,187 @@
|
||||
// Code generated by ent, DO NOT EDIT.
|
||||
|
||||
package ent
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"entgo.io/ent"
|
||||
"entgo.io/ent/dialect/sql"
|
||||
"github.com/Wei-Shaw/sub2api/ent/promocode"
|
||||
"github.com/Wei-Shaw/sub2api/ent/promocodeusage"
|
||||
"github.com/Wei-Shaw/sub2api/ent/user"
|
||||
)
|
||||
|
||||
// PromoCodeUsage is the model entity for the PromoCodeUsage schema.
|
||||
type PromoCodeUsage struct {
|
||||
config `json:"-"`
|
||||
// ID of the ent.
|
||||
ID int64 `json:"id,omitempty"`
|
||||
// 优惠码ID
|
||||
PromoCodeID int64 `json:"promo_code_id,omitempty"`
|
||||
// 使用用户ID
|
||||
UserID int64 `json:"user_id,omitempty"`
|
||||
// 实际赠送金额
|
||||
BonusAmount float64 `json:"bonus_amount,omitempty"`
|
||||
// 使用时间
|
||||
UsedAt time.Time `json:"used_at,omitempty"`
|
||||
// Edges holds the relations/edges for other nodes in the graph.
|
||||
// The values are being populated by the PromoCodeUsageQuery when eager-loading is set.
|
||||
Edges PromoCodeUsageEdges `json:"edges"`
|
||||
selectValues sql.SelectValues
|
||||
}
|
||||
|
||||
// PromoCodeUsageEdges holds the relations/edges for other nodes in the graph.
|
||||
type PromoCodeUsageEdges struct {
|
||||
// PromoCode holds the value of the promo_code edge.
|
||||
PromoCode *PromoCode `json:"promo_code,omitempty"`
|
||||
// User holds the value of the user edge.
|
||||
User *User `json:"user,omitempty"`
|
||||
// loadedTypes holds the information for reporting if a
|
||||
// type was loaded (or requested) in eager-loading or not.
|
||||
loadedTypes [2]bool
|
||||
}
|
||||
|
||||
// PromoCodeOrErr returns the PromoCode value or an error if the edge
|
||||
// was not loaded in eager-loading, or loaded but was not found.
|
||||
func (e PromoCodeUsageEdges) PromoCodeOrErr() (*PromoCode, error) {
|
||||
if e.PromoCode != nil {
|
||||
return e.PromoCode, nil
|
||||
} else if e.loadedTypes[0] {
|
||||
return nil, &NotFoundError{label: promocode.Label}
|
||||
}
|
||||
return nil, &NotLoadedError{edge: "promo_code"}
|
||||
}
|
||||
|
||||
// UserOrErr returns the User value or an error if the edge
|
||||
// was not loaded in eager-loading, or loaded but was not found.
|
||||
func (e PromoCodeUsageEdges) UserOrErr() (*User, error) {
|
||||
if e.User != nil {
|
||||
return e.User, nil
|
||||
} else if e.loadedTypes[1] {
|
||||
return nil, &NotFoundError{label: user.Label}
|
||||
}
|
||||
return nil, &NotLoadedError{edge: "user"}
|
||||
}
|
||||
|
||||
// scanValues returns the types for scanning values from sql.Rows.
|
||||
func (*PromoCodeUsage) scanValues(columns []string) ([]any, error) {
|
||||
values := make([]any, len(columns))
|
||||
for i := range columns {
|
||||
switch columns[i] {
|
||||
case promocodeusage.FieldBonusAmount:
|
||||
values[i] = new(sql.NullFloat64)
|
||||
case promocodeusage.FieldID, promocodeusage.FieldPromoCodeID, promocodeusage.FieldUserID:
|
||||
values[i] = new(sql.NullInt64)
|
||||
case promocodeusage.FieldUsedAt:
|
||||
values[i] = new(sql.NullTime)
|
||||
default:
|
||||
values[i] = new(sql.UnknownType)
|
||||
}
|
||||
}
|
||||
return values, nil
|
||||
}
|
||||
|
||||
// assignValues assigns the values that were returned from sql.Rows (after scanning)
|
||||
// to the PromoCodeUsage fields.
|
||||
func (_m *PromoCodeUsage) assignValues(columns []string, values []any) error {
|
||||
if m, n := len(values), len(columns); m < n {
|
||||
return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
|
||||
}
|
||||
for i := range columns {
|
||||
switch columns[i] {
|
||||
case promocodeusage.FieldID:
|
||||
value, ok := values[i].(*sql.NullInt64)
|
||||
if !ok {
|
||||
return fmt.Errorf("unexpected type %T for field id", value)
|
||||
}
|
||||
_m.ID = int64(value.Int64)
|
||||
case promocodeusage.FieldPromoCodeID:
|
||||
if value, ok := values[i].(*sql.NullInt64); !ok {
|
||||
return fmt.Errorf("unexpected type %T for field promo_code_id", values[i])
|
||||
} else if value.Valid {
|
||||
_m.PromoCodeID = value.Int64
|
||||
}
|
||||
case promocodeusage.FieldUserID:
|
||||
if value, ok := values[i].(*sql.NullInt64); !ok {
|
||||
return fmt.Errorf("unexpected type %T for field user_id", values[i])
|
||||
} else if value.Valid {
|
||||
_m.UserID = value.Int64
|
||||
}
|
||||
case promocodeusage.FieldBonusAmount:
|
||||
if value, ok := values[i].(*sql.NullFloat64); !ok {
|
||||
return fmt.Errorf("unexpected type %T for field bonus_amount", values[i])
|
||||
} else if value.Valid {
|
||||
_m.BonusAmount = value.Float64
|
||||
}
|
||||
case promocodeusage.FieldUsedAt:
|
||||
if value, ok := values[i].(*sql.NullTime); !ok {
|
||||
return fmt.Errorf("unexpected type %T for field used_at", values[i])
|
||||
} else if value.Valid {
|
||||
_m.UsedAt = value.Time
|
||||
}
|
||||
default:
|
||||
_m.selectValues.Set(columns[i], values[i])
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Value returns the ent.Value that was dynamically selected and assigned to the PromoCodeUsage.
|
||||
// This includes values selected through modifiers, order, etc.
|
||||
func (_m *PromoCodeUsage) Value(name string) (ent.Value, error) {
|
||||
return _m.selectValues.Get(name)
|
||||
}
|
||||
|
||||
// QueryPromoCode queries the "promo_code" edge of the PromoCodeUsage entity.
|
||||
func (_m *PromoCodeUsage) QueryPromoCode() *PromoCodeQuery {
|
||||
return NewPromoCodeUsageClient(_m.config).QueryPromoCode(_m)
|
||||
}
|
||||
|
||||
// QueryUser queries the "user" edge of the PromoCodeUsage entity.
|
||||
func (_m *PromoCodeUsage) QueryUser() *UserQuery {
|
||||
return NewPromoCodeUsageClient(_m.config).QueryUser(_m)
|
||||
}
|
||||
|
||||
// Update returns a builder for updating this PromoCodeUsage.
|
||||
// Note that you need to call PromoCodeUsage.Unwrap() before calling this method if this PromoCodeUsage
|
||||
// was returned from a transaction, and the transaction was committed or rolled back.
|
||||
func (_m *PromoCodeUsage) Update() *PromoCodeUsageUpdateOne {
|
||||
return NewPromoCodeUsageClient(_m.config).UpdateOne(_m)
|
||||
}
|
||||
|
||||
// Unwrap unwraps the PromoCodeUsage entity that was returned from a transaction after it was closed,
|
||||
// so that all future queries will be executed through the driver which created the transaction.
|
||||
func (_m *PromoCodeUsage) Unwrap() *PromoCodeUsage {
|
||||
_tx, ok := _m.config.driver.(*txDriver)
|
||||
if !ok {
|
||||
panic("ent: PromoCodeUsage is not a transactional entity")
|
||||
}
|
||||
_m.config.driver = _tx.drv
|
||||
return _m
|
||||
}
|
||||
|
||||
// String implements the fmt.Stringer.
|
||||
func (_m *PromoCodeUsage) String() string {
|
||||
var builder strings.Builder
|
||||
builder.WriteString("PromoCodeUsage(")
|
||||
builder.WriteString(fmt.Sprintf("id=%v, ", _m.ID))
|
||||
builder.WriteString("promo_code_id=")
|
||||
builder.WriteString(fmt.Sprintf("%v", _m.PromoCodeID))
|
||||
builder.WriteString(", ")
|
||||
builder.WriteString("user_id=")
|
||||
builder.WriteString(fmt.Sprintf("%v", _m.UserID))
|
||||
builder.WriteString(", ")
|
||||
builder.WriteString("bonus_amount=")
|
||||
builder.WriteString(fmt.Sprintf("%v", _m.BonusAmount))
|
||||
builder.WriteString(", ")
|
||||
builder.WriteString("used_at=")
|
||||
builder.WriteString(_m.UsedAt.Format(time.ANSIC))
|
||||
builder.WriteByte(')')
|
||||
return builder.String()
|
||||
}
|
||||
|
||||
// PromoCodeUsages is a parsable slice of PromoCodeUsage.
|
||||
type PromoCodeUsages []*PromoCodeUsage
|
||||
Reference in New Issue
Block a user