Files
FamilyHUB/backend/src/api/services/receipts.go
T

133 lines
3.8 KiB
Go

package services
import (
"FamilyHub/src/domain"
"FamilyHub/src/integrations/receiptProvider"
"FamilyHub/src/repositories"
"FamilyHub/src/utils"
"context"
"fmt"
"log"
"strings"
)
type ReceiptService interface {
AddReceipt(ctx context.Context, req domain.AddReceiptRequest) (*domain.Receipt, error)
}
type receiptService struct {
provider receiptProvider.ReceiptProvider
repo repositories.ReceiptsRepository
transactionRepo repositories.TransactionRepository
}
func NewReceiptService(
provider receiptProvider.ReceiptProvider,
repo repositories.ReceiptsRepository,
transactionRepo repositories.TransactionRepository,
) ReceiptService {
return &receiptService{
provider: provider,
repo: repo,
transactionRepo: transactionRepo,
}
}
func (s *receiptService) AddReceipt(
ctx context.Context,
req domain.AddReceiptRequest,
) (*domain.Receipt, error) {
log.Printf("receipt add request: payload=%s", utils.ToLogJSON(req))
receipt, err := s.provider.GetReceipt(ctx, req.Date, req.Number)
if err != nil {
log.Printf("receipt add failed: err=%v payload=%s", err, utils.ToLogJSON(req))
return nil, err
}
receiptID, err := s.repo.Create(ctx, receipt)
if err != nil {
log.Printf("receipt persist failed: err=%v receipt=%s", err, utils.ToLogJSON(receipt))
return nil, err
}
receipt.ID = int(receiptID)
if !s.shouldCreateTransaction(req) {
log.Printf("receipt add response: payload=%s", utils.ToLogJSON(receipt))
return receipt, nil
}
transaction, err := s.createTransactionForReceipt(ctx, receipt, req, receiptID)
if err != nil {
if rollbackErr := s.repo.Delete(ctx, receiptID); rollbackErr != nil {
return nil, fmt.Errorf("create receipt transaction: %w (rollback receipt %d: %v)", err, receiptID, rollbackErr)
}
return nil, err
}
receipt.TransactionID = &transaction.ID
log.Printf("receipt add response: payload=%s", utils.ToLogJSON(receipt))
return receipt, nil
}
func (s *receiptService) shouldCreateTransaction(req domain.AddReceiptRequest) bool {
return s.transactionRepo != nil && req.FamilyID != nil && req.CreatedBy != nil
}
func (s *receiptService) createTransactionForReceipt(
ctx context.Context,
receipt *domain.Receipt,
req domain.AddReceiptRequest,
receiptID int64,
) (*domain.Transaction, error) {
transactionType := "expense"
if req.Type != nil && strings.TrimSpace(*req.Type) != "" {
transactionType = strings.TrimSpace(*req.Type)
}
category := "receipt"
if req.Category != nil && strings.TrimSpace(*req.Category) != "" {
category = strings.TrimSpace(*req.Category)
}
description := buildReceiptTransactionDescription(receipt, req.Description)
transaction := &domain.Transaction{
FamilyID: *req.FamilyID,
Description: description,
Type: transactionType,
DateTime: receipt.IssuedAt,
Category: category,
Amount: receipt.TotalAmount,
CreatedBy: *req.CreatedBy,
ReceiptID: &receiptID,
}
log.Printf("%+v\n", transaction)
log.Printf("receipt transaction create request: payload=%s", utils.ToLogJSON(transaction))
if err := s.transactionRepo.Create(ctx, transaction); err != nil {
log.Printf("receipt transaction create failed: err=%v payload=%s", err, utils.ToLogJSON(transaction))
return nil, err
}
log.Printf("receipt transaction create response: payload=%s", utils.ToLogJSON(transaction))
return transaction, nil
}
func buildReceiptTransactionDescription(receipt *domain.Receipt, explicit *string) *string {
if explicit != nil && strings.TrimSpace(*explicit) != "" {
value := strings.TrimSpace(*explicit)
return &value
}
if name := strings.TrimSpace(receipt.NameTO); name != "" {
return &name
}
if number := strings.TrimSpace(receipt.ReceiptNumber); number != "" {
value := fmt.Sprintf("Receipt %s", number)
return &value
}
return nil
}