pg_exchange_su_money_service.go
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package domain_service
import (
"fmt"
coreDomain "github.com/linmadan/egglib-go/core/domain"
pgTransaction "github.com/linmadan/egglib-go/transaction/pg"
"gitlab.fjmaimaimai.com/linmadan/mmm-worth/pkg/domain"
"gitlab.fjmaimaimai.com/linmadan/mmm-worth/pkg/infrastructure/dao"
"gitlab.fjmaimaimai.com/linmadan/mmm-worth/pkg/infrastructure/repository"
"time"
)
type ExchangeSuMoneyService struct {
coreDomain.BaseEventPublisher
transactionContext *pgTransaction.TransactionContext
}
func (service *ExchangeSuMoneyService) Exchange(uid int64, operatorUid int64, suMoney float64, recordDescription string) (*domain.SuMoneyTransactionRecord, error) {
var employeeRepository domain.EmployeeRepository
var suMoneyTransactionRecordRepository domain.SuMoneyTransactionRecordRepository
var employeeDao *dao.EmployeeDao
if repository, err := repository.NewEmployeeRepository(service.transactionContext); err != nil {
return nil, err
} else {
employeeRepository = repository
}
if repository, err := repository.NewSuMoneyTransactionRecordRepository(service.transactionContext); err != nil {
return nil, err
} else {
suMoneyTransactionRecordRepository = repository
}
if dao, err := dao.NewEmployeeDao(service.transactionContext); err != nil {
return nil, err
} else {
employeeDao = dao
}
employee, err := employeeRepository.FindOne(map[string]interface{}{
"uid": uid,
})
if err != nil {
return nil, err
}
if employee == nil {
return nil, fmt.Errorf("无效的兑换者")
}
operator, err := employeeRepository.FindOne(map[string]interface{}{
"uid": operatorUid,
})
if err != nil {
return nil, err
}
if operator == nil {
return nil, fmt.Errorf("无效的操作者")
}
if employee.SuMoney < suMoney {
return nil, fmt.Errorf("当前素币不足")
}
suMoneyTransactionRecord := &domain.SuMoneyTransactionRecord{
RecordType: domain.SU_MONEY_TRANSACTION_RECORD_TYPE_EXCHANGE,
Employee: employee.EmployeeInfo,
SuMoneyBeforeTransaction: employee.SuMoney,
SuMoney: suMoney,
Operator: operator.EmployeeInfo,
RecordDescription: recordDescription,
CreateTime: time.Now(),
}
if err := employeeDao.TransferSuMoney(employee.EmployeeInfo.Uid, 0-suMoney); err != nil {
return nil, err
}
if suMoneyTransactionRecord, err := suMoneyTransactionRecordRepository.Save(suMoneyTransactionRecord); err != nil {
return nil, err
} else {
return suMoneyTransactionRecord, nil
}
}
func NewExchangeSuMoneyService(transactionContext *pgTransaction.TransactionContext) (*ExchangeSuMoneyService, error) {
if transactionContext == nil {
return nil, fmt.Errorf("transactionContext参数不能为nil")
} else {
return &ExchangeSuMoneyService{
transactionContext: transactionContext,
}, nil
}
}