treasurer/internal/service/callback/callback.go
2023-06-13 13:22:51 +00:00

128 lines
3.5 KiB
Go

package callback
import (
"context"
"sync"
"go.uber.org/zap"
"penahub.gitlab.yandexcloud.net/external/treasurer/internal/errors"
"penahub.gitlab.yandexcloud.net/external/treasurer/internal/models"
)
type CallbackClient interface {
SendOnSuccess(ctx context.Context, host string, event *models.Event) errors.Error
SendOnFailure(ctx context.Context, host string, event *models.Event) errors.Error
}
type PaymentRepository interface {
SetPaymentComplete(ctx context.Context, paymentID string) (*models.Payment, errors.Error)
}
type Deps struct {
Logger *zap.Logger
CallbackClient CallbackClient
PaymentRepository PaymentRepository
}
type Service struct {
logger *zap.Logger
callbackClient CallbackClient
paymentRepository PaymentRepository
}
func New(deps Deps) (*Service, errors.Error) {
if deps.Logger == nil {
return nil, errors.NewWithMessage("logger is nil on <NewCallbackService>", errors.ErrInvalidArgs)
}
if deps.CallbackClient == nil {
return nil, errors.NewWithMessage("CallbackClient is nil on <NewCallbackService>", errors.ErrInvalidArgs)
}
if deps.PaymentRepository == nil {
return nil, errors.NewWithMessage("PaymentRepository is nil on <NewCallbackService>", errors.ErrInvalidArgs)
}
return &Service{
logger: deps.Logger,
callbackClient: deps.CallbackClient,
paymentRepository: deps.PaymentRepository,
}, nil
}
func (receiver *Service) OnSuccess(ctx context.Context, event *models.Event) errors.Error {
waitGroup := sync.WaitGroup{}
mutex := sync.Mutex{}
executeErrors := make([]error, 0)
for _, callbackURL := range event.Payment.CallbackHostGRPC {
waitGroup.Add(1)
go func(url string) {
defer waitGroup.Done()
if err := receiver.callbackClient.SendOnSuccess(ctx, url, event); err != nil {
receiver.logger.Error("failid to send callback on <OnSuccess> of <CallbackService>")
mutex.Lock()
executeErrors = append(executeErrors, err)
mutex.Unlock()
return
}
if _, err := receiver.paymentRepository.SetPaymentComplete(ctx, event.Payment.PaymentID); err != nil {
receiver.logger.Error("failid to set payment complete on <OnSuccess> of <CallbackService>")
mutex.Lock()
executeErrors = append(executeErrors, err)
mutex.Unlock()
return
}
}(callbackURL)
}
waitGroup.Wait()
if len(executeErrors) >= len(event.Payment.CallbackHostGRPC) {
receiver.logger.Error("failid to success payment on <OnSuccess> of <CallbackService>", zap.Errors("errors", executeErrors))
return errors.NewWithMessage("failed to success payment: all operations failed", errors.ErrInternalError)
}
return nil
}
func (receiver *Service) OnFailure(ctx context.Context, event *models.Event) errors.Error {
waitGroup := sync.WaitGroup{}
mutex := sync.Mutex{}
executeErrors := make([]error, 0)
for _, callbackURL := range event.Payment.CallbackHostGRPC {
waitGroup.Add(1)
go func(url string) {
defer waitGroup.Done()
if err := receiver.callbackClient.SendOnFailure(ctx, url, event); err != nil {
receiver.logger.Error("failid to send callback on <OnFailure> of <CallbackService>")
mutex.Lock()
executeErrors = append(executeErrors, err)
mutex.Unlock()
return
}
}(callbackURL)
}
waitGroup.Wait()
if len(executeErrors) >= len(event.Payment.CallbackHostGRPC) {
receiver.logger.Error("failid to success payment on <OnFailure> of <CallbackService>", zap.Errors("errors", executeErrors))
return errors.NewWithMessage("failed to success payment: all operations failed", errors.ErrInternalError)
}
return nil
}