hotfix: payroll summary null 에러 해결

Author: hyunzzii

app/src/main/java/com/mangoboss/app/api/facade/payroll/BossPayrollFacade.java

@@ -164,7 +164,7 @@ public TransferSummaryResponse getPayrollSummary(final Long storeId, final Long
         LocalDate today = LocalDate.now(clock);
         List<PayrollEntity> payrolls = payrollService.getPayrolls(storeId, targetMonth);
         if (payrolls.isEmpty()) {
-            return TransferSummaryResponse.of(TransferSummaryStateForResponse.NOT_YET, today.withDayOfMonth(payrollSetting.getTransferDate()));
+            return TransferSummaryResponse.of(TransferSummaryStateForResponse.NOT_YET, payrollSetting.getTransferDate(),today);
         }
         boolean allPending = payrolls.stream().allMatch(p ->
                 p.getTransferState().equals(TransferState.PENDING)

app/src/main/java/com/mangoboss/app/dto/payroll/response/TransferSummaryResponse.java

@@ -9,6 +9,19 @@ public record TransferSummaryResponse(
         LocalDate transferDate,
         TransferSummaryStateForResponse isTransferred
 ) {
+    public static TransferSummaryResponse of(final TransferSummaryStateForResponse state, final Integer transferDate, final LocalDate today) {
+        if( transferDate == null) {
+            return TransferSummaryResponse.builder()
+                    .transferDate(null)
+                    .isTransferred(state)
+                    .build();
+        }
+        return TransferSummaryResponse.builder()
+                .transferDate(today.withDayOfMonth(transferDate))
+                .isTransferred(state)
+                .build();
+    }
+
     public static TransferSummaryResponse of(final TransferSummaryStateForResponse state, final LocalDate transferDate) {
         return TransferSummaryResponse.builder()
                 .transferDate(transferDate)