모의투자 관리 기능 추가

2026-05-31 03:47:07 +09:00
parent 9d7dddfa57
commit 16d0e2c226
78 changed files with 4688 additions and 972 deletions
@@ -0,0 +1,108 @@
+package com.goldenchart.service;
+
+import com.goldenchart.dto.PaperLedgerEntryDto;
+import com.goldenchart.dto.PaperPageDto;
+import com.goldenchart.entity.GcPaperAccount;
+import com.goldenchart.entity.GcPaperCashLedger;
+import com.goldenchart.entity.GcPaperTrade;
+import com.goldenchart.repository.GcPaperCashLedgerRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+public class PaperLedgerService {
+
+    public static final String INITIAL     = "INITIAL";
+    public static final String BUY_SETTLE  = "BUY_SETTLE";
+    public static final String SELL_SETTLE = "SELL_SETTLE";
+    public static final String RESET       = "RESET";
+
+    private final GcPaperCashLedgerRepository ledgerRepo;
+
+    public void recordInitial(GcPaperAccount account, BigDecimal initialCash) {
+        ledgerRepo.save(GcPaperCashLedger.builder()
+                .accountId(account.getId())
+                .entryType(INITIAL)
+                .amount(initialCash)
+                .cashBefore(BigDecimal.ZERO)
+                .cashAfter(initialCash)
+                .build());
+    }
+
+    public void recordBuySettle(GcPaperAccount account, GcPaperTrade trade, BigDecimal totalCost) {
+        BigDecimal before = account.getCashBalance().add(totalCost);
+        ledgerRepo.save(GcPaperCashLedger.builder()
+                .accountId(account.getId())
+                .entryType(BUY_SETTLE)
+                .amount(totalCost.negate())
+                .cashBefore(before)
+                .cashAfter(account.getCashBalance())
+                .refTradeId(trade.getId())
+                .symbol(trade.getSymbol())
+                .build());
+    }
+
+    public void recordSellSettle(GcPaperAccount account, GcPaperTrade trade, BigDecimal netProceeds) {
+        BigDecimal before = account.getCashBalance().subtract(netProceeds);
+        ledgerRepo.save(GcPaperCashLedger.builder()
+                .accountId(account.getId())
+                .entryType(SELL_SETTLE)
+                .amount(netProceeds)
+                .cashBefore(before)
+                .cashAfter(account.getCashBalance())
+                .refTradeId(trade.getId())
+                .symbol(trade.getSymbol())
+                .build());
+    }
+
+    public void recordReset(GcPaperAccount account, BigDecimal cashBefore, BigDecimal newCash) {
+        ledgerRepo.save(GcPaperCashLedger.builder()
+                .accountId(account.getId())
+                .entryType(RESET)
+                .amount(newCash.subtract(cashBefore))
+                .cashBefore(cashBefore)
+                .cashAfter(newCash)
+                .build());
+    }
+
+    @Transactional(readOnly = true)
+    public PaperPageDto<PaperLedgerEntryDto> list(Long accountId, LocalDateTime from, LocalDateTime to,
+                                                   int page, int size) {
+        PageRequest pr = PageRequest.of(Math.max(0, page), Math.min(100, Math.max(1, size)));
+        Page<GcPaperCashLedger> result = (from != null || to != null)
+                ? ledgerRepo.findByAccountIdAndCreatedAtBetweenOrderByCreatedAtDesc(
+                accountId,
+                from != null ? from : LocalDateTime.of(2000, 1, 1, 0, 0),
+                to != null ? to : LocalDateTime.now().plusYears(10),
+                pr)
+                : ledgerRepo.findByAccountIdOrderByCreatedAtDesc(accountId, pr);
+        return PaperPageDto.<PaperLedgerEntryDto>builder()
+                .content(result.getContent().stream().map(this::toDto).toList())
+                .page(result.getNumber())
+                .size(result.getSize())
+                .totalElements(result.getTotalElements())
+                .totalPages(result.getTotalPages())
+                .build();
+    }
+
+    private PaperLedgerEntryDto toDto(GcPaperCashLedger e) {
+        return PaperLedgerEntryDto.builder()
+                .id(e.getId())
+                .entryType(e.getEntryType())
+                .amount(e.getAmount().doubleValue())
+                .cashBefore(e.getCashBefore().doubleValue())
+                .cashAfter(e.getCashAfter().doubleValue())
+                .refTradeId(e.getRefTradeId())
+                .symbol(e.getSymbol())
+                .createdAt(e.getCreatedAt() != null ? e.getCreatedAt().toString() : null)
+                .build();
+    }
+}