From 4e443c8020e1513da0099ba1c2c683f582d3b59e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B9=80=EB=B3=B4=EA=B3=A4?=
 <lightone2017@codebridge-x.com>
Date: Wed, 18 Mar 2026 15:03:38 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20[item-management]=20=EC=A0=88=EA=B3=A1B?=
 =?UTF-8?q?OM=20=ED=83=AD=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 중앙 패널에 '절곡 BOM' 탭 추가 (정적 BOM 옆)
- SF-BND 절곡 품목과 하위 자재를 트리 구조로 표시
- 접힘/펼침 토글, 품목 클릭 시 우측 상세 갱신
- FG 품목 선택 시 해당 FG의 절곡 관련 BOM만 필터
---
 .../Api/Admin/ItemManagementApiController.php |  12 ++
 app/Services/ItemManagementService.php        | 121 +++++++++++++++
 .../views/item-management/index.blade.php     | 138 +++++++++++++++++-
 routes/api.php                                |   1 +
 4 files changed, 270 insertions(+), 2 deletions(-)

diff --git a/app/Http/Controllers/Api/Admin/ItemManagementApiController.php b/app/Http/Controllers/Api/Admin/ItemManagementApiController.php
index d88e2199..9f38ba07 100644
--- a/app/Http/Controllers/Api/Admin/ItemManagementApiController.php
+++ b/app/Http/Controllers/Api/Admin/ItemManagementApiController.php
@@ -74,6 +74,18 @@ public function history(int $id): JsonResponse
         return response()->json($history);
     }
 
+    /**
+     * 절곡BOM 트리 (JSON - 중앙 패널)
+     * FG 품목 선택 시 해당 FG의 절곡 관련 BOM만, 미선택 시 전체 절곡 품목
+     */
+    public function bendingBomTree(Request $request): JsonResponse
+    {
+        $itemId = $request->input('item_id') ? (int) $request->input('item_id') : null;
+        $tree = $this->service->getBendingBomTree($itemId);
+
+        return response()->json($tree);
+    }
+
     /**
      * 수식 기반 BOM 산출 (API 서버의 FormulaEvaluatorService HTTP 호출)
      */
diff --git a/app/Services/ItemManagementService.php b/app/Services/ItemManagementService.php
index fd9c0089..4142c9da 100644
--- a/app/Services/ItemManagementService.php
+++ b/app/Services/ItemManagementService.php
@@ -229,6 +229,127 @@ private function getActionLabel(string $action): string
         };
     }
 
+    /**
+     * 절곡BOM 트리 조회 (SF-BND 품목 기반)
+     * FG 품목 선택 시: 해당 FG의 BOM에서 절곡 관련 품목만 필터
+     * 그 외: 전체 절곡 품목(SF-BND) 트리 반환
+     */
+    public function getBendingBomTree(?int $itemId = null): array
+    {
+        $tenantId = session('selected_tenant_id');
+
+        // FG 품목이 선택된 경우: 해당 FG의 BOM에서 절곡 관련만 추출
+        if ($itemId) {
+            $item = Item::withoutGlobalScopes()
+                ->where('tenant_id', $tenantId)
+                ->find($itemId);
+
+            if ($item && $item->item_type === 'FG') {
+                return $this->buildFgBendingTree($item, $tenantId);
+            }
+        }
+
+        // 전체 절곡 품목 트리
+        $bendingItems = Item::withoutGlobalScopes()
+            ->where('tenant_id', $tenantId)
+            ->where('code', 'like', 'SF-BND%')
+            ->active()
+            ->orderBy('code')
+            ->get();
+
+        $nodes = [];
+        foreach ($bendingItems as $bendingItem) {
+            $nodes[] = $this->buildBomNode($bendingItem, 0, 3, []);
+        }
+
+        return $nodes;
+    }
+
+    /**
+     * FG 품목의 BOM에서 절곡 관련 품목만 추출하여 트리 구성
+     */
+    private function buildFgBendingTree(Item $fgItem, int $tenantId): array
+    {
+        $bomData = $fgItem->bom ?? [];
+        if (empty($bomData)) {
+            return [];
+        }
+
+        $childIds = array_column($bomData, 'child_item_id');
+        $children = Item::withoutGlobalScopes()
+            ->where('tenant_id', $tenantId)
+            ->whereIn('id', $childIds)
+            ->get()
+            ->keyBy('id');
+
+        $nodes = [];
+        foreach ($bomData as $bom) {
+            $child = $children->get($bom['child_item_id']);
+            if (! $child) {
+                continue;
+            }
+
+            // 절곡 관련 품목이면 바로 추가
+            if (str_starts_with($child->code, 'SF-BND')) {
+                $node = $this->buildBomNode($child, 0, 3, []);
+                $node['quantity'] = $bom['quantity'] ?? 1;
+                $nodes[] = $node;
+
+                continue;
+            }
+
+            // SF 품목이면 그 하위에서 절곡 품목 탐색
+            if ($child->item_type === 'SF' || $child->item_type === 'PT') {
+                $subBending = $this->findBendingChildren($child, $tenantId, 1, []);
+                $nodes = array_merge($nodes, $subBending);
+            }
+        }
+
+        return $nodes;
+    }
+
+    /**
+     * 재귀적으로 절곡 관련 자식 품목 탐색
+     */
+    private function findBendingChildren(Item $item, int $tenantId, int $depth, array $visited): array
+    {
+        if (in_array($item->id, $visited) || $depth >= 5) {
+            return [];
+        }
+        $visited[] = $item->id;
+
+        $bomData = $item->bom ?? [];
+        if (empty($bomData)) {
+            return [];
+        }
+
+        $childIds = array_column($bomData, 'child_item_id');
+        $children = Item::withoutGlobalScopes()
+            ->where('tenant_id', $tenantId)
+            ->whereIn('id', $childIds)
+            ->get()
+            ->keyBy('id');
+
+        $nodes = [];
+        foreach ($bomData as $bom) {
+            $child = $children->get($bom['child_item_id']);
+            if (! $child) {
+                continue;
+            }
+
+            if (str_starts_with($child->code, 'SF-BND')) {
+                $node = $this->buildBomNode($child, 0, 3, []);
+                $node['quantity'] = $bom['quantity'] ?? 1;
+                $nodes[] = $node;
+            } elseif ($child->item_type === 'SF' || $child->item_type === 'PT') {
+                $subNodes = $this->findBendingChildren($child, $tenantId, $depth + 1, $visited);
+                $nodes = array_merge($nodes, $subNodes);
+            }
+        }
+
+        return $nodes;
+    }
+
     // ── Private ──
 
     private function buildBomNode(Item $item, int $depth, int $maxDepth, array $visited): array
diff --git a/resources/views/item-management/index.blade.php b/resources/views/item-management/index.blade.php
index 854fb8a3..a4dde5e7 100644
--- a/resources/views/item-management/index.blade.php
+++ b/resources/views/item-management/index.blade.php
@@ -50,6 +50,11 @@ class="bom-tab px-3 py-1.5 text-xs font-medium rounded-md bg-blue-100 text-blue-
                             onclick="switchBomTab('static')">
                         정적 BOM
                     </button>
+                    <button type="button" id="tab-bending-bom"
+                            class="bom-tab px-3 py-1.5 text-xs font-medium rounded-md bg-gray-100 text-gray-600 hover:bg-gray-200"
+                            onclick="switchBomTab('bending')">
+                        절곡 BOM
+                    </button>
                     <button type="button" id="tab-formula-bom"
                             class="bom-tab px-3 py-1.5 text-xs font-medium rounded-md bg-gray-100 text-gray-600 hover:bg-gray-200"
                             onclick="switchBomTab('formula')"
@@ -127,6 +132,11 @@ class="px-4 py-1.5 text-sm font-medium text-white bg-blue-600 rounded hover:bg-b
                 <p class="text-gray-400 text-center py-10">좌측에서 품목을 선택하세요.</p>
             </div>
 
+            <!-- 절곡 BOM 트리 영역 (초기 숨김) -->
+            <div id="bending-bom-container" class="flex-1 overflow-y-auto p-4" style="display:none;">
+                <p class="text-gray-400 text-center py-10">절곡 BOM을 로드 중...</p>
+            </div>
+
             <!-- 수식 산출 결과 영역 (초기 숨김) -->
             <div id="formula-result-container" class="flex-1 overflow-y-auto p-4" style="display:none;">
                 <p class="text-gray-400 text-center py-10">오픈사이즈를 입력하고 산출 버튼을 클릭하세요.</p>
@@ -366,7 +376,8 @@ function getTypeTitle(type) {
             btn.classList.remove('bg-blue-100', 'text-blue-800');
             btn.classList.add('bg-gray-100', 'text-gray-600');
         });
-        const activeBtn = document.getElementById(tab === 'static' ? 'tab-static-bom' : 'tab-formula-bom');
+        const tabBtnMap = { static: 'tab-static-bom', bending: 'tab-bending-bom', formula: 'tab-formula-bom' };
+        const activeBtn = document.getElementById(tabBtnMap[tab]);
         if (activeBtn) {
             activeBtn.classList.remove('bg-gray-100', 'text-gray-600');
             activeBtn.classList.add('bg-blue-100', 'text-blue-800');
@@ -374,8 +385,14 @@ function getTypeTitle(type) {
 
         // 콘텐츠 영역 전환
         document.getElementById('bom-tree-container').style.display = (tab === 'static') ? '' : 'none';
+        document.getElementById('bending-bom-container').style.display = (tab === 'bending') ? '' : 'none';
         document.getElementById('formula-input-panel').style.display = (tab === 'formula') ? '' : 'none';
         document.getElementById('formula-result-container').style.display = (tab === 'formula') ? '' : 'none';
+
+        // 절곡BOM 탭 선택 시 데이터 로드
+        if (tab === 'bending') {
+            loadBendingBomTree();
+        }
     };
 
     // ── 가변사이즈 탭 표시/숨김 ──
@@ -388,7 +405,124 @@ function hideFormulaTab() {
         document.getElementById('tab-formula-bom').style.display = 'none';
         document.getElementById('formula-input-panel').style.display = 'none';
         document.getElementById('formula-result-container').style.display = 'none';
-        switchBomTab('static');
+        if (currentBomTab === 'formula') switchBomTab('static');
+    }
+
+    // ── 절곡BOM 트리 로드 ──
+    function loadBendingBomTree() {
+        const container = document.getElementById('bending-bom-container');
+        container.innerHTML = '<div class="flex justify-center py-10"><div class="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600"></div></div>';
+
+        let url = '/api/admin/items/bending-bom-tree';
+        if (currentItemId) {
+            url += `?item_id=${currentItemId}`;
+        }
+
+        fetch(url, { headers: {'X-CSRF-TOKEN': csrfToken} })
+        .then(res => res.json())
+        .then(nodes => {
+            container.innerHTML = '';
+            if (!nodes || nodes.length === 0) {
+                container.innerHTML = '<p class="text-gray-400 text-center py-10">절곡 BOM 데이터가 없습니다.</p>';
+                return;
+            }
+
+            // 헤더 정보
+            const header = document.createElement('div');
+            header.className = 'mb-3 px-3 py-2 bg-amber-50 rounded-lg flex items-center gap-2';
+            header.innerHTML = `
+                <svg class="w-4 h-4 text-amber-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19.428 15.428a2 2 0 00-1.022-.547l-2.387-.477a6 6 0 00-3.86.517l-.318.158a6 6 0 01-3.86.517L6.05 15.21a2 2 0 00-1.806.547M8 4h8l-1 1v5.172a2 2 0 00.586 1.414l5 5c1.26 1.26.367 3.414-1.415 3.414H4.828c-1.782 0-2.674-2.154-1.414-3.414l5-5A2 2 0 009 10.172V5L8 4z"/>
+                </svg>
+                <span class="text-sm font-medium text-amber-800">절곡 품목</span>
+                <span class="text-xs text-amber-600">(${nodes.length}건)</span>
+            `;
+            container.appendChild(header);
+
+            const ul = document.createElement('ul');
+            ul.className = 'text-sm space-y-1';
+            nodes.forEach(node => renderBendingNode(node, ul, 0));
+            container.appendChild(ul);
+        })
+        .catch(err => {
+            console.error('bendingBomTree error:', err);
+            container.innerHTML = '<p class="text-red-400 text-center py-10">절곡 BOM 로드 실패</p>';
+        });
+    }
+
+    // ── 절곡BOM 노드 렌더링 (트리 구조, 접힘/펼침) ──
+    function renderBendingNode(node, container, depth) {
+        const li = document.createElement('li');
+        if (depth > 0) li.className = 'ml-4';
+
+        const nodeEl = document.createElement('div');
+        const depthColors = depth === 0
+            ? 'bg-amber-50 hover:bg-amber-100 border border-amber-200'
+            : 'hover:bg-gray-50';
+        nodeEl.className = `flex items-center gap-2 py-2 px-3 rounded cursor-pointer transition-colors ${depthColors}`;
+        nodeEl.onclick = () => selectTreeNode(node.id);
+
+        // 펼침/접힘 토글
+        let childList = null;
+        if (node.has_children) {
+            const toggle = document.createElement('span');
+            toggle.className = 'text-gray-400 cursor-pointer select-none text-xs flex-shrink-0';
+            toggle.textContent = '▼';
+            toggle.onclick = function(e) {
+                e.stopPropagation();
+                if (childList.style.display === 'none') {
+                    childList.style.display = '';
+                    toggle.textContent = '▼';
+                } else {
+                    childList.style.display = 'none';
+                    toggle.textContent = '▶';
+                }
+            };
+            nodeEl.appendChild(toggle);
+        } else {
+            const spacer = document.createElement('span');
+            spacer.className = 'w-3 inline-block flex-shrink-0';
+            nodeEl.appendChild(spacer);
+        }
+
+        // 유형 뱃지
+        const badge = document.createElement('span');
+        badge.className = getTypeBadgeClass(node.item_type);
+        badge.textContent = node.item_type;
+        badge.title = getTypeTitle(node.item_type);
+        nodeEl.appendChild(badge);
+
+        // 코드
+        const codeSpan = document.createElement('span');
+        codeSpan.className = 'font-mono text-xs text-gray-500 flex-shrink-0';
+        codeSpan.textContent = node.code;
+        nodeEl.appendChild(codeSpan);
+
+        // 이름
+        const nameSpan = document.createElement('span');
+        nameSpan.className = 'text-gray-700 text-sm truncate';
+        nameSpan.textContent = node.name;
+        nodeEl.appendChild(nameSpan);
+
+        // 수량
+        if (node.quantity) {
+            const qtySpan = document.createElement('span');
+            qtySpan.className = 'text-blue-600 text-xs font-medium ml-auto flex-shrink-0';
+            qtySpan.textContent = `x${node.quantity}`;
+            nodeEl.appendChild(qtySpan);
+        }
+
+        li.appendChild(nodeEl);
+
+        // 자식 노드 재귀 렌더링
+        if (node.children && node.children.length > 0) {
+            childList = document.createElement('ul');
+            childList.className = 'border-l-2 border-amber-200 ml-3';
+            node.children.forEach(child => renderBendingNode(child, childList, depth + 1));
+            li.appendChild(childList);
+        }
+
+        container.appendChild(li);
     }
 
     // ── FG 코드 파싱 → 입력폼 자동 세팅 ──
diff --git a/routes/api.php b/routes/api.php
index 23231f5f..6122c482 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -930,6 +930,7 @@
     Route::get('/{id}/history', [\App\Http\Controllers\Api\Admin\ItemManagementApiController::class, 'history'])->name('history');
     Route::delete('/{id}', [\App\Http\Controllers\Api\Admin\ItemManagementApiController::class, 'destroy'])->name('destroy');
     Route::post('/{id}/calculate-formula', [\App\Http\Controllers\Api\Admin\ItemManagementApiController::class, 'calculateFormula'])->name('calculate-formula');
+    Route::get('/bending-bom-tree', [\App\Http\Controllers\Api\Admin\ItemManagementApiController::class, 'bendingBomTree'])->name('bending-bom-tree');
 });
 
 /*