373 lines
9.0 KiB
Go
373 lines
9.0 KiB
Go
package services
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"platform/pkg/u"
|
|
"platform/web/core"
|
|
bill2 "platform/web/domains/bill"
|
|
resource2 "platform/web/domains/resource"
|
|
trade2 "platform/web/domains/trade"
|
|
g "platform/web/globals"
|
|
"platform/web/globals/orm"
|
|
m "platform/web/models"
|
|
q "platform/web/queries"
|
|
"time"
|
|
|
|
"github.com/shopspring/decimal"
|
|
)
|
|
|
|
var Resource = &resourceService{}
|
|
|
|
type resourceService struct{}
|
|
|
|
func (s *resourceService) CreateResourceByBalance(uid int32, now time.Time, data *CreateResourceData) error {
|
|
return g.Redsync.WithLock(userBalanceKey(uid), func() error {
|
|
return q.Q.Transaction(func(q *q.Query) error {
|
|
// 检查用户
|
|
user, err := q.User.
|
|
Where(q.User.ID.Eq(uid)).
|
|
Take()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// 检查余额
|
|
var amount = user.Balance.Sub(data.GetAmount())
|
|
if amount.IsNegative() {
|
|
return ErrBalanceNotEnough
|
|
}
|
|
|
|
// 保存套餐
|
|
resource, err := createResource(q, uid, now, data)
|
|
if err != nil {
|
|
return core.NewServErr("创建套餐失败", err)
|
|
}
|
|
|
|
// 更新用户余额
|
|
_, err = q.User.
|
|
Where(q.User.ID.Eq(uid)).
|
|
UpdateSimple(q.User.Balance.Value(amount))
|
|
if err != nil {
|
|
return core.NewServErr("更新用户余额失败", err)
|
|
}
|
|
|
|
// 生成账单
|
|
err = q.Bill.Create(bill2.NewForConsume(uid, Bill.GenNo(), data.GetSubject(), data.GetAmount(), resource))
|
|
if err != nil {
|
|
return core.NewServErr("生成账单失败", err)
|
|
}
|
|
|
|
return nil
|
|
})
|
|
})
|
|
}
|
|
|
|
func (s *resourceService) CreateResourceByTrade(uid int32, now time.Time, data *CreateResourceData, trade *m.Trade) error {
|
|
return q.Q.Transaction(func(q *q.Query) error {
|
|
|
|
// 保存套餐
|
|
resource, err := createResource(q, uid, now, data)
|
|
if err != nil {
|
|
return core.NewServErr("创建套餐失败", err)
|
|
}
|
|
|
|
// 生成账单
|
|
err = q.Bill.Create(bill2.NewForConsume(uid, Bill.GenNo(), data.GetSubject(), data.GetAmount(), resource, trade))
|
|
if err != nil {
|
|
return core.NewServErr("生成账单失败", err)
|
|
}
|
|
|
|
return nil
|
|
})
|
|
}
|
|
|
|
func createResource(q *q.Query, uid int32, now time.Time, data *CreateResourceData) (*m.Resource, error) {
|
|
|
|
// 套餐基本信息
|
|
var resource = m.Resource{
|
|
UserID: uid,
|
|
ResourceNo: u.P(ID.GenReadable("res")),
|
|
Active: true,
|
|
}
|
|
switch data.Type {
|
|
|
|
// 短效套餐
|
|
case resource2.TypeShort:
|
|
var short = data.Short
|
|
if short == nil {
|
|
return nil, core.NewBizErr("短效套餐数据不能为空")
|
|
}
|
|
var duration = time.Duration(short.Expire) * 24 * time.Hour
|
|
resource.Type = int32(resource2.TypeShort)
|
|
resource.Short = &m.ResourceShort{
|
|
Type: short.Mode,
|
|
Live: short.Live,
|
|
Quota: &short.Quota,
|
|
Expire: u.P(orm.LocalDateTime(now.Add(duration))),
|
|
DailyLimit: short.DailyLimit,
|
|
}
|
|
|
|
// 长效套餐
|
|
case resource2.TypeLong:
|
|
var long = data.Long
|
|
if long == nil {
|
|
return nil, core.NewBizErr("长效套餐数据不能为空")
|
|
}
|
|
var duration = time.Duration(long.Expire) * 24 * time.Hour
|
|
resource.Type = int32(resource2.TypeLong)
|
|
resource.Long = &m.ResourceLong{
|
|
Type: long.Mode,
|
|
Live: long.Live,
|
|
Quota: &long.Quota,
|
|
Expire: u.P(orm.LocalDateTime(now.Add(duration))),
|
|
DailyLimit: long.DailyLimit,
|
|
}
|
|
default:
|
|
return nil, core.NewBizErr("不支持的套餐类型")
|
|
}
|
|
|
|
err := q.Resource.Create(&resource)
|
|
if err != nil {
|
|
return nil, core.NewServErr("创建套餐失败", err)
|
|
}
|
|
|
|
return &resource, nil
|
|
}
|
|
|
|
type CreateResourceData struct {
|
|
Type resource2.Type `json:"type" validate:"required"`
|
|
Short *CreateShortResourceData `json:"short,omitempty"`
|
|
Long *CreateLongResourceData `json:"long,omitempty"`
|
|
}
|
|
|
|
type CreateShortResourceData struct {
|
|
Live int32 `json:"live" validate:"required,min=180"`
|
|
Mode int32 `json:"mode" validate:"required"`
|
|
Expire int32 `json:"expire"`
|
|
DailyLimit int32 `json:"daily_limit" validate:"min=2000"`
|
|
Quota int32 `json:"quota" validate:"min=10000"`
|
|
|
|
name string
|
|
price *decimal.Decimal
|
|
}
|
|
|
|
type CreateLongResourceData struct {
|
|
Live int32 `json:"live" validate:"required,oneof=1 4 8 12 24"`
|
|
Mode int32 `json:"mode" validate:"required,oneof=1 2"`
|
|
Expire int32 `json:"expire"`
|
|
DailyLimit int32 `json:"daily_limit" validate:"min=100"`
|
|
Quota int32 `json:"quota" validate:"min=500"`
|
|
|
|
name string
|
|
price *decimal.Decimal
|
|
}
|
|
|
|
func (c *CreateResourceData) GetType() trade2.Type {
|
|
return trade2.TypePurchase
|
|
}
|
|
|
|
func (c *CreateResourceData) GetSubject() string {
|
|
switch c.Type {
|
|
case resource2.TypeShort:
|
|
return c.Short.GetSubject()
|
|
case resource2.TypeLong:
|
|
return c.Long.GetSubject()
|
|
}
|
|
panic("类型对应的数据为空")
|
|
}
|
|
|
|
func (c *CreateResourceData) GetAmount() decimal.Decimal {
|
|
switch c.Type {
|
|
case resource2.TypeShort:
|
|
return c.Short.GetAmount()
|
|
case resource2.TypeLong:
|
|
return c.Long.GetAmount()
|
|
}
|
|
panic("类型对应的数据为空")
|
|
}
|
|
|
|
func (c *CreateResourceData) Serialize() (string, error) {
|
|
bytes, err := json.Marshal(c)
|
|
return string(bytes), err
|
|
}
|
|
|
|
func (c *CreateResourceData) Deserialize(str string) error {
|
|
return json.Unmarshal([]byte(str), c)
|
|
}
|
|
|
|
func (data *CreateShortResourceData) GetSubject() string {
|
|
if data.name == "" {
|
|
var mode string
|
|
switch data.Mode {
|
|
case 1:
|
|
mode = "包时"
|
|
case 2:
|
|
mode = "包量"
|
|
}
|
|
data.name = fmt.Sprintf("短效动态%s %v 分钟", mode, data.Live/60)
|
|
}
|
|
return data.name
|
|
}
|
|
|
|
func (data *CreateShortResourceData) GetAmount() decimal.Decimal {
|
|
if data.price == nil {
|
|
var factor int32
|
|
switch data.Mode {
|
|
case 1:
|
|
factor = data.DailyLimit * data.Expire
|
|
case 2:
|
|
factor = data.Quota
|
|
}
|
|
|
|
var base = data.Live
|
|
if base == 180 {
|
|
base = 150
|
|
}
|
|
|
|
var dec = decimal.Decimal{}.
|
|
Add(decimal.NewFromInt32(base * factor)).
|
|
Div(decimal.NewFromInt(30000))
|
|
data.price = &dec
|
|
}
|
|
return *data.price
|
|
}
|
|
|
|
func (data *CreateLongResourceData) GetSubject() string {
|
|
if data.name == "" {
|
|
var mode string
|
|
switch data.Mode {
|
|
case 1:
|
|
mode = "包时"
|
|
case 2:
|
|
mode = "包量"
|
|
}
|
|
data.name = fmt.Sprintf("长效动态%s %d 小时", mode, data.Live)
|
|
}
|
|
return data.name
|
|
}
|
|
|
|
func (data *CreateLongResourceData) GetAmount() decimal.Decimal {
|
|
if data.price == nil {
|
|
var factor int32 = 0
|
|
switch resource2.Mode(data.Mode) {
|
|
|
|
case resource2.ModeTime:
|
|
factor = data.Expire * data.DailyLimit
|
|
case resource2.ModeCount:
|
|
factor = data.Quota
|
|
}
|
|
|
|
var base int32
|
|
switch data.Live {
|
|
case 1:
|
|
base = 30
|
|
case 4:
|
|
base = 80
|
|
case 8:
|
|
base = 120
|
|
case 12:
|
|
base = 180
|
|
case 24:
|
|
base = 350
|
|
}
|
|
|
|
// data.price = big.NewRat(int64(base*factor), 100)
|
|
var dec = decimal.Decimal{}.
|
|
Add(decimal.NewFromInt32(base * factor)).
|
|
Div(decimal.NewFromInt(100))
|
|
data.price = &dec
|
|
}
|
|
return *data.price
|
|
}
|
|
|
|
type ResourceOnTradeComplete struct{}
|
|
|
|
func (r ResourceOnTradeComplete) Check(t trade2.Type) (trade2.ProductInfo, bool) {
|
|
if t == trade2.TypePurchase {
|
|
return &CreateResourceData{}, true
|
|
}
|
|
return nil, false
|
|
}
|
|
|
|
func (r ResourceOnTradeComplete) OnTradeComplete(info trade2.ProductInfo, trade *m.Trade) error {
|
|
return Resource.CreateResourceByTrade(trade.UserID, time.Time(*trade.CompletedAt), info.(*CreateResourceData), trade)
|
|
}
|
|
|
|
// type CreateResourceData struct {
|
|
// Type resource2.Type `json:"type" validate:"required"`
|
|
// Short *CreateShortResourceData `json:"short,omitempty"`
|
|
// Long *CreateLongResourceData `json:"long,omitempty"`
|
|
// }
|
|
//
|
|
// func (data *CreateResourceData) GetSubject() string {
|
|
// switch data.Type {
|
|
// case resource2.TypeShort:
|
|
// return data.Short.GetSubject()
|
|
// case resource2.TypeLong:
|
|
// return data.Long.GetSubject()
|
|
// default:
|
|
// panic("未处理的 resource type 枚举值")
|
|
// }
|
|
// }
|
|
//
|
|
// func (data *CreateResourceData) GetAmount() decimal.Decimal {
|
|
// switch data.Type {
|
|
// case resource2.TypeShort:
|
|
// return data.Short.GetAmount()
|
|
// case resource2.TypeLong:
|
|
// return data.Long.GetAmount()
|
|
// default:
|
|
// panic("未处理的 resource type 枚举值")
|
|
// }
|
|
// }
|
|
//
|
|
// func (data *CreateResourceData) ToData() (CreateResourceData, error) {
|
|
// switch data.Type {
|
|
// case resource2.TypeShort:
|
|
// return data.Short, nil
|
|
// case resource2.TypeLong:
|
|
// return data.Long, nil
|
|
// }
|
|
//
|
|
// return nil, fmt.Errorf("不支持的套餐类型")
|
|
// }
|
|
//
|
|
// type PrepareResourceData struct {
|
|
// CreateResourceData
|
|
// PaymentMethod trade2.Method `json:"payment_method" validate:"required"`
|
|
// PaymentPlatform trade2.Platform `json:"payment_platform" validate:"required"`
|
|
// }
|
|
//
|
|
// type PrepareResourceCache struct {
|
|
// Uid int32 `json:"uid"`
|
|
// TradeId int32 `json:"trade_id"`
|
|
// BillId int32 `json:"bill_id"`
|
|
// *PrepareResourceData
|
|
// }
|
|
//
|
|
// func (c PrepareResourceCache) MarshalBinary() (data []byte, err error) {
|
|
// data, err = json.Marshal(c)
|
|
// if err != nil {
|
|
// return nil, err
|
|
// }
|
|
// return data, nil
|
|
// }
|
|
//
|
|
// func (c PrepareResourceCache) UnmarshalBinary(data []byte) error {
|
|
// if err := json.Unmarshal(data, &c); err != nil {
|
|
// return err
|
|
// }
|
|
// return nil
|
|
// }
|
|
|
|
type ResourceServiceErr string
|
|
|
|
func (e ResourceServiceErr) Error() string {
|
|
return string(e)
|
|
}
|
|
|
|
const (
|
|
ErrBalanceNotEnough = ResourceServiceErr("余额不足")
|
|
)
|