116 lines
3.1 KiB
Go
116 lines
3.1 KiB
Go
package payment
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import (
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"SciencesServer/app/api/website/model"
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model2 "SciencesServer/app/common/model"
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"SciencesServer/app/session"
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"SciencesServer/serve/orm"
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"errors"
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"gorm.io/gorm"
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"time"
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)
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// Instance 支付管理
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type Instance struct {
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*session.Enterprise
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}
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type IInstance interface {
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grant(tx *gorm.DB) error
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}
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type InstanceHandle func(session *session.Enterprise) *Instance
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type InstanceGrant struct {
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tx *gorm.DB
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uid uint64
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params *model2.OrderInstanceParams
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}
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// handle 发放操作
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func (c *InstanceGrant) handle() error {
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var _handle IInstance
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if c.params.Kind == model2.OrderInstanceParamsKindForActivity {
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data := c.params.Data.(*model2.OrderInstanceParamsForActivity)
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_handle = NewActivity()(c.uid, data.ID, data.Identity)
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} else if c.params.Kind == model2.OrderInstanceParamsKindForVIP {
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data := c.params.Data.(*model2.OrderInstanceParamsForVip)
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_handle = NewVip()(c.uid, data.ID, data.EffectTime)
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}
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if _handle != nil {
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return _handle.grant(c.tx)
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}
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return nil
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}
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// Launch 支付发起
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func (c *Instance) Launch(id uint64) (interface{}, error) {
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mOrderInstance := model.NewOrderInstance()
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mOrderInstance.ID = id
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isExist, err := model2.FirstField(mOrderInstance.OrderInstance, []string{"id", "order_no", "amount", "status"})
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if err != nil {
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return nil, err
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} else if !isExist {
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return nil, errors.New("操作错误，订单信息不存在或已被删除")
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} else if mOrderInstance.Status != model2.OrderInstanceStatusForInit {
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return nil, errors.New("操作错误，当前订单状态不允许支付")
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}
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// 保存日志
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mOrderLog := model.NewOrderLog()
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mOrderLog.UID = c.UID
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mOrderLog.OrderID = id
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if err = model2.Create(mOrderLog.OrderLog); err != nil {
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return nil, err
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}
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// 返回第三方支付接口参数
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return nil, nil
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}
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// Callback 支付回调
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func (c *Instance) Callback(orderNo string) error {
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mOrderInstance := model.NewOrderInstance()
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isExist, err := model2.FirstField(mOrderInstance.OrderInstance, []string{"id", "uid", "amount", "params", "status"},
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model2.NewWhere("order_no", orderNo))
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if err != nil {
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return err
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} else if !isExist {
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return errors.New("订单信息不存在或已被删除")
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} else if mOrderInstance.OrderInstance.Status != model2.OrderInstanceStatusForInit {
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// 状态异常
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return errors.New("状态异常，不允许支付")
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}
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now := time.Now()
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// 更改订单状态为已支付
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if err = model2.Updates(mOrderInstance.OrderInstance, map[string]interface{}{
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"status": model2.OrderInstanceStatusForPaid, "updated_at": now,
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}); err != nil {
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return nil
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}
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return orm.GetDB().Transaction(func(tx *gorm.DB) error {
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// 发放操作
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if err = (&InstanceGrant{
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tx: tx, uid: mOrderInstance.UID, params: mOrderInstance.GetParamsAttribute(),
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}).handle(); err != nil {
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return err
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}
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if err = model2.Updates(mOrderInstance.OrderInstance, map[string]interface{}{
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"status": model2.OrderInstanceStatusForComplete, "updated_at": now,
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}, tx); err != nil {
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return err
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}
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return nil
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})
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}
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func NewInstance() InstanceHandle {
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return func(session *session.Enterprise) *Instance {
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return &Instance{session}
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}
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}
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