refactor(routes): 刪除 app.py 首頁重複路由

ADR-017 Phase 3f-1 dashboard sprint；首頁改由 dashboard_bp 接管，並更新 url_for('index') 相容引用。

app.py

@@ -741,299 +741,6 @@ momo_app_info{version="9.4",database_type="postgresql"} 1
         return Response(f"# Error: {e}\n", mimetype='text/plain; charset=utf-8'), 500
 
 
-@app.route('/')
-def index():
-    db = DatabaseManager()
-
-    session = db.get_session()
-    page = request.args.get('page', 1, type=int)
-    category_filter = request.args.get('category', 'all')
-    sort_by = request.args.get('sort_by', 'timestamp') # 預設按時間排序
-    filter_type = request.args.get('filter', 'all') # 🚩 新增：狀態篩選 (increase, decrease, delisted)
-    order = request.args.get('order', 'desc')
-    search_query = request.args.get('q', '').strip() # 🚩 新增：搜尋關鍵字
-    per_page = 50 
-    
-    # 🚩 取得台北時間的今日起始點 (用於資料庫查詢比較)
-    # 注意：若資料庫內存的是 naive time (無時區)，則需轉為 naive 進行比較
-    now_taipei = datetime.now(TAIPEI_TZ)
-    today_start_db = now_taipei.replace(hour=0, minute=0, second=0, microsecond=0).replace(tzinfo=None)
-
-    try:
-        # 🚩 1. 使用封裝函式獲取數據
-        unique_items, today_start = get_consolidated_data()
-        
-        # --- 計算今日漲跌統計 ---
-        increase_items = [item for item in unique_items if item['yesterday_diff'] > 0]
-        decrease_items = [item for item in unique_items if item['yesterday_diff'] < 0]
-
-        # --- V-New: 取得所有分類並加上筆數統計 ---
-        cat_counts = {}
-        for item in unique_items:
-            c = item['record'].product.category
-            if c:
-                cat_counts[c] = cat_counts.get(c, 0) + 1
-        
-        all_categories = [f"{cat} ({count}筆)" for cat, count in sorted(cat_counts.items())]
-        
-        # V-Fix: 預先計算今日新增的商品 ID (不依賴 Product.created_at)
-        new_product_ids = set()
-        try:
-            # 找出最早一筆價格紀錄是在今天的商品
-            new_pids_query = session.query(PriceRecord.product_id).group_by(PriceRecord.product_id).having(func.min(PriceRecord.timestamp) >= today_start_db)
-            new_product_ids = {r[0] for r in new_pids_query.all()}
-        except Exception: pass
-
-        # --- 看板統計數據 ---
-        total_products_history = session.query(Product).count()
-        today_new_products = session.query(func.count(Product.id)).filter(
-            Product.id.in_(
-                session.query(PriceRecord.product_id)
-                .group_by(PriceRecord.product_id)
-                .having(func.min(PriceRecord.timestamp) >= today_start_db)
-            )
-        ).scalar()
-        total_price_records = session.query(PriceRecord).count()
-        today_updates = session.query(PriceRecord).filter(PriceRecord.timestamp >= today_start_db).count()
-
-        # 🚩 新增：今日下架商品統計 (狀態為 INACTIVE 且 最後更新時間 >= 今天零點)
-        today_delisted_query = session.query(Product).filter(
-            Product.status == 'INACTIVE',
-            Product.updated_at >= today_start_db
-        )
-        raw_delisted_items = today_delisted_query.all()
-        today_delisted_count = len(raw_delisted_items)
-
-        # 🚩 V-Opt: 為下架商品補上最後價格（優化：一次查詢取得所有價格，避免 N+1 問題）
-        today_delisted_items = []
-        if raw_delisted_items:
-            # 取得所有下架商品的 ID
-            delisted_ids = [p.id for p in raw_delisted_items]
-
-            # 一次性查詢所有下架商品的最後價格
-            last_prices_subq = session.query(
-                PriceRecord.product_id,
-                func.max(PriceRecord.id).label('max_id')
-            ).filter(
-                PriceRecord.product_id.in_(delisted_ids)
-            ).group_by(PriceRecord.product_id).subquery()
-
-            last_prices_q = session.query(
-                PriceRecord.product_id,
-                PriceRecord.price
-            ).join(
-                last_prices_subq,
-                PriceRecord.id == last_prices_subq.c.max_id
-            )
-
-            # 建立 product_id -> price 的映射
-            price_map = {pid: price for pid, price in last_prices_q}
-
-            # 組合結果
-            for p in raw_delisted_items:
-                price = price_map.get(p.id, 0)
-                today_delisted_items.append({'product': p, 'last_price': price})
-
-        # ========== V9.2: 新增 KPI 計算 ==========
-
-        # 1. 平均漲跌幅
-        avg_increase = sum(item['yesterday_diff'] for item in increase_items) / len(increase_items) if increase_items else 0
-        avg_decrease = sum(item['yesterday_diff'] for item in decrease_items) / len(decrease_items) if decrease_items else 0
-
-        # 2. 今日活躍度（有價格變動的商品百分比）
-        active_count = len(increase_items) + len(decrease_items)
-        activity_rate = (active_count / total_products_history * 100) if total_products_history > 0 else 0
-
-        # 3. 最大變動（絕對值最大的價格變動）
-        max_change_item = None
-        max_change_value = 0
-        for item in unique_items:
-            if abs(item['yesterday_diff']) > abs(max_change_value):
-                max_change_value = item['yesterday_diff']
-                max_change_item = item
-
-        # 4. 週增長 (過去 7 天新增的商品數)
-        week_ago_db = now_taipei.replace(hour=0, minute=0, second=0, microsecond=0) - timedelta(days=7)
-        week_ago_db = week_ago_db.replace(tzinfo=None)
-        week_new_products = session.query(func.count(Product.id)).filter(
-            Product.id.in_(
-                session.query(PriceRecord.product_id)
-                .group_by(PriceRecord.product_id)
-                .having(func.min(PriceRecord.timestamp) >= week_ago_db)
-            )
-        ).scalar() or 0
-
-        # 5. 價格穩定商品數（7 天內無變價）- V9.3 效能優化版
-        seven_days_ago = now_taipei - timedelta(days=7)
-        seven_days_ago_db = seven_days_ago.replace(hour=0, minute=0, second=0, microsecond=0, tzinfo=None)
-
-        # 使用 GROUP BY 一次性統計所有商品的不同價格數量（避免 N+1 查詢）
-        try:
-            stable_count = session.query(PriceRecord.product_id).filter(
-                PriceRecord.timestamp >= seven_days_ago_db
-            ).group_by(PriceRecord.product_id).having(
-                func.count(func.distinct(PriceRecord.price)) == 1
-            ).count()
-        except Exception:
-            stable_count = 0
-
-        # 6. 最活躍分類（今日變動商品數最多的分類）
-        category_activity = {}
-        for item in increase_items + decrease_items:
-            cat = item['record'].product.category
-            if cat:
-                category_activity[cat] = category_activity.get(cat, 0) + 1
-
-        most_active_category = None
-        most_active_count = 0
-        if category_activity:
-            most_active_category = max(category_activity.items(), key=lambda x: x[1])
-            most_active_count = most_active_category[1]
-            most_active_category = most_active_category[0]
-
-        # 🚩 讀取系統狀態 (用於紅綠燈顯示)
-        system_status = {"status": "UNKNOWN", "message": "尚無執行紀錄", "timestamp": "-"}
-        status_path = os.path.join(BASE_DIR, 'data/system_status.json')
-        if os.path.exists(status_path):
-            try:
-                with open(status_path, 'r', encoding='utf-8') as f:
-                    system_status = json.load(f)
-            except: pass
-        
-        # --- 取得所有分類用於篩選器 ---
-        # (已在上方取得)
-
-        # 🚩 2. 後端篩選 (Server-side Filtering)
-        scheduler_stats = load_scheduler_stats()
-        
-        # V-Fix: Handle old scheduler stats format (dict) by converting to list to prevent template errors
-        if scheduler_stats.get('momo_task') and isinstance(scheduler_stats.get('momo_task'), dict):
-            scheduler_stats['momo_task'] = [scheduler_stats['momo_task']]
-        if scheduler_stats.get('edm_task') and isinstance(scheduler_stats.get('edm_task'), dict):
-            scheduler_stats['edm_task'] = [scheduler_stats['edm_task']]
-
-        filtered_items = []
-        
-        # 0. 先處理搜尋 (若有)
-        if search_query:
-            search_lower = search_query.lower()
-            # V9.81: 搜尋功能修復，支援搜尋商品名稱與 i_code
-            base_items = [
-                item for item in unique_items 
-                if (item['record'].product.name and search_lower in item['record'].product.name.lower()) or 
-                   (item['record'].product.i_code and search_lower in str(item['record'].product.i_code))
-            ]
-        else:
-            base_items = unique_items
-
-        # A. 先處理狀態篩選 (漲/跌/下架)
-        if filter_type == 'increase':
-            filtered_items = [i for i in base_items if i in increase_items]
-        elif filter_type == 'decrease':
-            filtered_items = [i for i in base_items if i in decrease_items]
-        elif filter_type == 'new':
-            # V-New: 新上架篩選 (今日新增的商品)
-            filtered_items = [i for i in base_items if i['record'].product_id in new_product_ids]
-        elif filter_type == 'delisted':
-            # 特殊處理：將下架商品轉換為列表格式以便顯示
-            for item in today_delisted_items:
-                # 模擬 record 物件結構
-                class MockRecord:
-                    def __init__(self, p, price): self.product = p; self.price = price; self.timestamp = p.updated_at
-                
-                if not search_query or search_query.lower() in item['product'].name.lower():
-                    filtered_items.append({
-                        'record': MockRecord(item['product'], item['last_price']),
-                        'stats': {'1d_diff': 0, '7d_diff': 0, '30d_diff': 0}, # 模擬 stats 結構
-                        'yesterday_diff': 0,
-                        'today_changes': [], # 確保結構一致
-                        'status': 'DELISTED' # 新增狀態
-                    })
-        else:
-            # B. 若無狀態篩選，則處理分類篩選
-            if category_filter != 'all':
-                # V-New: 處理帶有筆數的分類名稱，例如 "化妝水 (50筆)" -> "化妝水"
-                real_category = category_filter
-                if "(" in category_filter and "筆)" in category_filter:
-                    real_category = category_filter.rsplit(" (", 1)[0]
-                filtered_items = [item for item in base_items if item['record'].product.category == real_category]
-            else:
-                filtered_items = base_items
-
-        # 🚩 3. 後端排序 (Server-side Sorting)
-        reverse = (order == 'desc')
-        def get_sort_key(item):
-            # 處理 None 值，確保排序時不會出錯
-            def safe_get(value, default=0):
-                return default if value is None else value
-
-            if sort_by == 'i_code': return int(safe_get(item['record'].product.i_code, 0))
-            if sort_by == 'category': return safe_get(item['record'].product.category, '')
-            if sort_by == 'name': return safe_get(item['record'].product.name, '')
-            if sort_by == 'price': return safe_get(item['record'].price, 0)
-            if sort_by == 'today_change': return safe_get(item['stats']['1d_diff'], 0) # 今日內波動
-            if sort_by == 'yesterday_change': return safe_get(item['yesterday_diff'], 0)
-            if sort_by == 'week_change': return safe_get(item['stats']['7d_diff'], 0)
-            return item['record'].timestamp # 預設
-
-        sorted_items = sorted(filtered_items, key=get_sort_key, reverse=reverse)
-
-        # 🚩 4. 分頁 (Pagination) - 在篩選和排序之後執行
-        total_items = len(sorted_items)
-        total_pages = math.ceil(total_items / per_page)
-        
-        start_idx = (page - 1) * per_page
-        paged_items = sorted_items[start_idx : start_idx + per_page]
-
-        # V-Fix: 為前端準備安全的 created_at 屬性
-        for item in paged_items:
-            item['safe_created_at'] = getattr(item['record'].product, 'created_at', None)
-
-        # 🚩 5. 為當前頁面項目添加顏色
-        for item in paged_items:
-            category_name = item['record'].product.category
-            item['category_color'] = get_color_for_string(category_name)
-
-        return render_template('dashboard.html',
-                               total_products=total_products_history,
-                               today_new_products=today_new_products,
-                               total_price_records=total_price_records,
-                               cnt_increase=len(increase_items),
-                               cnt_decrease=len(decrease_items), # 傳遞跌價數
-                               today_delisted_count=today_delisted_count,
-                               today_delisted_items=today_delisted_items,
-                               system_status=system_status,
-                               items=paged_items,
-                               categories=all_categories,
-                               current_page=page,
-                               total_pages=total_pages, # V-New: 傳遞總項目數
-                               total_items=total_items,
-                               datetime_now=now_taipei.strftime('%Y-%m-%d %H:%M:%S'), # 顯示台北時間
-                               today_date=now_taipei.strftime('%Y-%m-%d'), # 傳遞今日日期
-                               public_url=public_url,
-                               current_category=category_filter,
-                               current_filter=filter_type, # 傳遞當前篩選狀態
-                               search_query=search_query, # 傳遞搜尋關鍵字
-                               current_sort=sort_by,
-                               current_order=order,
-                               scheduler_stats=scheduler_stats,
-                               # V9.2: 新增 KPI 數據
-                               avg_increase=avg_increase,
-                               avg_decrease=avg_decrease,
-                               activity_rate=activity_rate,
-                               active_count=active_count,
-                               max_change_item=max_change_item,
-                               max_change_value=max_change_value,
-                               week_new_products=week_new_products,
-                               stable_count=stable_count,
-                               most_active_category=most_active_category,
-                               most_active_count=most_active_count)
-    except Exception as e:
-        sys_log.error(f"[Web] [Dashboard] 🚨 渲染錯誤 | Error: {e}")
-        return f"系統維護中，錯誤詳情：{e}"
-    finally:
-        session.close()
-
 @app.route('/settings')
 def settings():
     """分類設定頁面"""

auth.py

@@ -219,7 +219,7 @@ def role_required(*roles):
             if user_role not in roles:
                 # 權限不足，返回 403
                 flash('您沒有權限存取此頁面', 'danger')
-                return redirect(url_for('index'))
+                return redirect(url_for('dashboard.index'))
 
             return f(*args, **kwargs)
         return decorated_view
@@ -313,7 +313,7 @@ def init_auth_routes(app):
                 clear_login_attempts(client_ip)
 
                 print(f"✅ 登入成功 | IP: {client_ip}")
-                return redirect(url_for('index'))
+                return redirect(url_for('dashboard.index'))
             else:
                 # 登入失敗
                 is_now_locked = record_login_failure(client_ip)

templates/403.html

@@ -79,7 +79,7 @@
             您沒有權限存取此頁面。<br>
             如需存取，請聯繫系統管理員。
         </p>
-        <a href="{{ url_for('index') }}" class="btn-back">
+        <a href="{{ url_for('dashboard.index') }}" class="btn-back">
             <i class="fas fa-home me-2"></i>返回首頁
         </a>
     </div>

templates/change_password.html

@@ -62,7 +62,7 @@
                             <button type="submit" class="btn btn-primary" id="submitBtn">
                                 <i class="fas fa-save me-2"></i>變更密碼
                             </button>
-                            <a href="{{ url_for('index') }}" class="btn btn-secondary">
+                            <a href="{{ url_for('dashboard.index') }}" class="btn btn-secondary">
                                 <i class="fas fa-times me-2"></i>取消
                             </a>
                         </div>