feat:자금계획일정 월별 복사 기능 추가

- POST /api/admin/fund-schedules/copy 엔드포인트 추가
- FundScheduleService에 copySchedulesToMonth() 메서드 추가
- 월 네비게이션 옆 일정복사 버튼 및 모달 UI 구현
- 날짜 조정 로직 (31일→28/29/30일) 포함

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/Http/Controllers/Api/Admin/FundScheduleController.php

@@ -239,6 +239,47 @@ public function updateStatus(Request $request, int $id): JsonResponse|Response
         ]);
     }
 
+    /**
+     * 월별 일정 복사
+     */
+    public function copy(Request $request): JsonResponse
+    {
+        $validated = $request->validate([
+            'source_year' => 'required|integer|min:2000|max:2100',
+            'source_month' => 'required|integer|min:1|max:12',
+            'target_year' => 'required|integer|min:2000|max:2100',
+            'target_month' => 'required|integer|min:1|max:12',
+        ]);
+
+        if ($validated['source_year'] === $validated['target_year']
+            && $validated['source_month'] === $validated['target_month']) {
+            return response()->json([
+                'success' => false,
+                'message' => '원본 월과 대상 월이 동일합니다.',
+            ], 422);
+        }
+
+        $copiedCount = $this->fundScheduleService->copySchedulesToMonth(
+            $validated['source_year'],
+            $validated['source_month'],
+            $validated['target_year'],
+            $validated['target_month']
+        );
+
+        if ($copiedCount === 0) {
+            return response()->json([
+                'success' => false,
+                'message' => '복사할 일정이 없습니다.',
+            ], 422);
+        }
+
+        return response()->json([
+            'success' => true,
+            'message' => "{$copiedCount}건의 일정이 복사되었습니다.",
+            'data' => ['copied_count' => $copiedCount],
+        ]);
+    }
+
     /**
      * 월별 요약 통계
      */

app/Services/FundScheduleService.php

@@ -218,6 +218,53 @@ public function updateStatus(FundSchedule $schedule, string $status): FundSchedu
         return $schedule->fresh();
     }
 
+    // =========================================================================
+    // 월별 복사
+    // =========================================================================
+
+    /**
+     * 원본 월의 일정을 대상 월로 복사
+     */
+    public function copySchedulesToMonth(int $sourceYear, int $sourceMonth, int $targetYear, int $targetMonth): int
+    {
+        $schedules = $this->getSchedulesForMonth($sourceYear, $sourceMonth);
+
+        if ($schedules->isEmpty()) {
+            return 0;
+        }
+
+        $targetLastDay = cal_days_in_month(CAL_GREGORIAN, $targetMonth, $targetYear);
+        $copiedCount = 0;
+
+        foreach ($schedules as $schedule) {
+            $sourceDay = $schedule->scheduled_date->day;
+            $targetDay = min($sourceDay, $targetLastDay);
+
+            $targetDate = sprintf('%04d-%02d-%02d', $targetYear, $targetMonth, $targetDay);
+
+            $this->createSchedule([
+                'title' => $schedule->title,
+                'description' => $schedule->description,
+                'schedule_type' => $schedule->schedule_type,
+                'scheduled_date' => $targetDate,
+                'amount' => $schedule->amount,
+                'currency' => $schedule->currency,
+                'related_bank_account_id' => $schedule->related_bank_account_id,
+                'counterparty' => $schedule->counterparty,
+                'category' => $schedule->category,
+                'status' => FundSchedule::STATUS_PENDING,
+                'is_recurring' => $schedule->is_recurring,
+                'recurrence_rule' => $schedule->recurrence_rule,
+                'recurrence_end_date' => $schedule->recurrence_end_date,
+                'memo' => $schedule->memo,
+            ]);
+
+            $copiedCount++;
+        }
+
+        return $copiedCount;
+    }
+
     // =========================================================================
     // 일괄 작업
     // =========================================================================

resources/views/finance/fund-schedules/index.blade.php

@@ -122,6 +122,15 @@ class="p-2 hover:bg-gray-100 rounded-lg transition-colors">
                         <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"/>
                     </svg>
                 </a>
+
+                {{-- 일정 복사 버튼 --}}
+                <button type="button" onclick="openCopyModal()"
+                        class="ml-2 inline-flex items-center gap-1.5 px-3 py-1.5 text-sm bg-indigo-50 text-indigo-700 hover:bg-indigo-100 border border-indigo-200 rounded-lg transition-colors">
+                    <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z"/>
+                    </svg>
+                    일정복사
+                </button>
             </div>
         </div>
 
@@ -144,6 +153,60 @@ class="p-2 hover:bg-gray-100 rounded-lg transition-colors">
     </div>
 </div>
 
+{{-- 일정 복사 모달 --}}
+<div id="copyModal" class="fixed inset-0 z-50 hidden">
+    <div class="fixed inset-0 bg-black/50" onclick="closeCopyModal()"></div>
+    <div class="fixed inset-0 flex items-center justify-center p-4">
+        <div class="bg-white rounded-xl shadow-2xl w-full max-w-md relative">
+            <div class="px-6 py-4 border-b flex items-center justify-between">
+                <h3 class="text-lg font-bold text-gray-800">일정 복사</h3>
+                <button type="button" onclick="closeCopyModal()" class="text-gray-400 hover:text-gray-600">
+                    <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
+                    </svg>
+                </button>
+            </div>
+            <div class="p-6">
+                <div id="copy-modal-message"></div>
+
+                <div class="mb-5">
+                    <p class="text-sm text-gray-600 mb-3">
+                        <span class="font-semibold text-gray-800">{{ $year }}년 {{ str_pad($month, 2, '0', STR_PAD_LEFT) }}월</span>의 일정을 아래 선택한 월로 복사합니다.
+                    </p>
+                    <p class="text-xs text-gray-400">복사된 일정의 상태는 모두 '대기'로 설정됩니다.</p>
+                </div>
+
+                <div class="grid grid-cols-2 gap-4">
+                    <div>
+                        <label for="copy_target_year" class="block text-sm font-medium text-gray-700 mb-1">대상 연도</label>
+                        <select id="copy_target_year" class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500">
+                            @for($y = $year - 1; $y <= $year + 2; $y++)
+                                <option value="{{ $y }}" {{ $y === $nextYear ? 'selected' : '' }}>{{ $y }}년</option>
+                            @endfor
+                        </select>
+                    </div>
+                    <div>
+                        <label for="copy_target_month" class="block text-sm font-medium text-gray-700 mb-1">대상 월</label>
+                        <select id="copy_target_month" class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500">
+                            @for($m = 1; $m <= 12; $m++)
+                                <option value="{{ $m }}" {{ $m === $nextMonth ? 'selected' : '' }}>{{ $m }}월</option>
+                            @endfor
+                        </select>
+                    </div>
+                </div>
+            </div>
+            <div class="px-6 py-4 border-t bg-gray-50 flex justify-end gap-3 rounded-b-xl">
+                <button type="button" onclick="closeCopyModal()" class="px-4 py-2 border border-gray-300 text-gray-700 rounded-lg hover:bg-gray-50 transition-colors">
+                    취소
+                </button>
+                <button type="button" onclick="copySchedules()" id="copySubmitBtn" class="px-6 py-2 bg-indigo-600 hover:bg-indigo-700 text-white rounded-lg transition-colors">
+                    복사
+                </button>
+            </div>
+        </div>
+    </div>
+</div>
+
 {{-- 일정 편집/등록 모달 --}}
 <div id="scheduleModal" class="fixed inset-0 z-50 hidden">
     <div class="fixed inset-0 bg-black/50" onclick="closeScheduleModal()"></div>
@@ -463,9 +526,89 @@ function formatModalAmount(input) {
 
     // ESC 키로 모달 닫기
     document.addEventListener('keydown', function(e) {
-        if (e.key === 'Escape' && !document.getElementById('scheduleModal').classList.contains('hidden')) {
-            closeScheduleModal();
+        if (e.key === 'Escape') {
+            if (!document.getElementById('copyModal').classList.contains('hidden')) {
+                closeCopyModal();
+            } else if (!document.getElementById('scheduleModal').classList.contains('hidden')) {
+                closeScheduleModal();
+            }
         }
     });
+
+    // =========================================
+    // 일정 복사 기능
+    // =========================================
+
+    function openCopyModal() {
+        document.getElementById('copy-modal-message').innerHTML = '';
+        document.getElementById('copySubmitBtn').disabled = false;
+        document.getElementById('copyModal').classList.remove('hidden');
+        document.body.style.overflow = 'hidden';
+    }
+
+    function closeCopyModal() {
+        document.getElementById('copyModal').classList.add('hidden');
+        document.body.style.overflow = '';
+    }
+
+    async function copySchedules() {
+        const targetYear = parseInt(document.getElementById('copy_target_year').value);
+        const targetMonth = parseInt(document.getElementById('copy_target_month').value);
+        const sourceYear = {{ $year }};
+        const sourceMonth = {{ $month }};
+
+        if (sourceYear === targetYear && sourceMonth === targetMonth) {
+            document.getElementById('copy-modal-message').innerHTML =
+                '<div class="p-3 mb-4 bg-red-50 text-red-700 rounded-lg text-sm">원본 월과 대상 월이 동일합니다.</div>';
+            return;
+        }
+
+        if (!confirm(`${sourceYear}년 ${sourceMonth}월의 일정을 ${targetYear}년 ${targetMonth}월로 복사하시겠습니까?`)) {
+            return;
+        }
+
+        const btn = document.getElementById('copySubmitBtn');
+        btn.disabled = true;
+        btn.textContent = '복사 중...';
+
+        try {
+            const response = await fetch('/api/admin/fund-schedules/copy', {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json',
+                    'Accept': 'application/json',
+                    'X-CSRF-TOKEN': csrfToken
+                },
+                body: JSON.stringify({
+                    source_year: sourceYear,
+                    source_month: sourceMonth,
+                    target_year: targetYear,
+                    target_month: targetMonth
+                })
+            });
+
+            const result = await response.json();
+
+            if (result.success) {
+                closeCopyModal();
+                if (confirm(result.message + '\n\n대상 월로 이동하시겠습니까?')) {
+                    window.location.href = `{{ route('finance.fund-schedules.index') }}?year=${targetYear}&month=${targetMonth}`;
+                } else {
+                    window.location.reload();
+                }
+            } else {
+                document.getElementById('copy-modal-message').innerHTML =
+                    `<div class="p-3 mb-4 bg-red-50 text-red-700 rounded-lg text-sm">${result.message || '복사에 실패했습니다.'}</div>`;
+                btn.disabled = false;
+                btn.textContent = '복사';
+            }
+        } catch (error) {
+            console.error('Error:', error);
+            document.getElementById('copy-modal-message').innerHTML =
+                '<div class="p-3 mb-4 bg-red-50 text-red-700 rounded-lg text-sm">복사 중 오류가 발생했습니다.</div>';
+            btn.disabled = false;
+            btn.textContent = '복사';
+        }
+    }
 </script>
 @endpush

routes/api.php

@@ -76,6 +76,7 @@
         Route::get('/calendar', [\App\Http\Controllers\Api\Admin\FundScheduleController::class, 'calendar'])->name('calendar');
         Route::get('/summary', [\App\Http\Controllers\Api\Admin\FundScheduleController::class, 'summary'])->name('summary');
         Route::get('/upcoming', [\App\Http\Controllers\Api\Admin\FundScheduleController::class, 'upcoming'])->name('upcoming');
+        Route::post('/copy', [\App\Http\Controllers\Api\Admin\FundScheduleController::class, 'copy'])->name('copy');
 
         // 기본 CRUD
         Route::get('/', [\App\Http\Controllers\Api\Admin\FundScheduleController::class, 'index'])->name('index');