api/src/main/java/com/spendtracker/service/TransactionService.java - master - berkas/Spend-tracker

api/src/main/java/com/spendtracker/service/TransactionService.java

71 строка2 KB

akasianov

Created TransactionService and TransactionController

14 янв 2026, 23:35

14 янв 2026, 23:3529e6337

package com.spendtracker.application.service;

import com.spendtracker.application.dto.TransactionDto;
import com.spendtracker.domain.Transaction;
import com.spendtracker.repository.TransactionRepository;
import com.spendtracker.repository.filter.TransactionFilter;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.time.LocalDateTime;
import java.util.List;
import java.util.Set;
import java.util.UUID;

@Service
public class TransactionService {
    private final TransactionRepository transactionRepository;

    public TransactionService(TransactionRepository transactionRepository) {
        this.transactionRepository = transactionRepository;
    }

    public TransactionDto createTransaction(
            String userId,
            String type,
            BigDecimal amount,
            String categoryId,
            LocalDateTime date
    ) {
        Transaction transaction = new Transaction(
                UUID.randomUUID().toString(),
                userId,
                categoryId,
                amount,
                type,
                date
        );

        Transaction saved = transactionRepository.save(transaction);

        return toDto(saved);
    }

    public List<TransactionDto> getTransactions(
            String userId,
            LocalDateTime start,
            LocalDateTime end,
            Set<String> categoryIds
    ) {
        TransactionFilter filter = new TransactionFilter();
        filter.setUserIds(Set.of(userId));
        filter.setStart(start);
        filter.setEnd(end);
        filter.setCategoryIds(categoryIds);

        return transactionRepository.findAll(filter)
                .stream()
                .map(this::toDto)
                .toList();
    }

    private TransactionDto toDto(Transaction transaction) {
        return new TransactionDto(
                transaction.getId(),
                transaction.getType(),
                transaction.getAmount(),
                transaction.getDate(),
                transaction.getCategoryId()
        );
    }
}