共用業績分析頁面快取

config.py

@@ -320,7 +320,7 @@ YOUTUBE_API_KEY = os.getenv('YOUTUBE_API_KEY', '')
 # ==========================================
 # 系統版本與路徑
 # ==========================================
-SYSTEM_VERSION = "V10.109"
+SYSTEM_VERSION = "V10.110"
 LOG_FILE_PATH = os.path.join(BASE_DIR, 'logs/system.log')
 public_url = PUBLIC_URL  # 用於模板顯示
 

routes/sales_routes.py

@@ -11,6 +11,8 @@
 import hashlib
 import io
 import math
+import os
+import pickle
 import time
 import traceback
 from datetime import datetime, timezone, timedelta
@@ -20,7 +22,7 @@ from sqlalchemy import inspect, text
 import pandas as pd
 import numpy as np
 
-from config import BASE_DIR, DATABASE_TYPE
+from config import BASE_DIR, DATABASE_TYPE, SYSTEM_VERSION
 from database.manager import DatabaseManager
 from services.logger_manager import SystemLogger
 from services.daily_sales_service import prepare_marketing_summary
@@ -28,6 +30,7 @@ from services.cache_manager import (
     _SALES_PROCESSED_CACHE,
     _SALES_OPTIONS_CACHE,
     _SALES_ANALYSIS_RESULT_CACHE,
+    _SALES_ANALYSIS_PAGE_CACHE_DIR,
     set_sales_processed_cache,
 )
 from utils.text_helpers import get_color_for_string
@@ -47,6 +50,7 @@ _SALES_PREVIEW_CACHE_TTL = 600
 _SALES_OPTIONS_CACHE_TTL = 1800
 _SALES_PAGE_CONTEXT_CACHE_TTL = 180
 _SALES_PAGE_CONTEXT_CACHE_MAX = 24
+_SALES_SHARED_PAGE_CONTEXT_CACHE_TTL = 1800
 
 
 # ==========================================
@@ -101,6 +105,45 @@ def _set_sales_page_context_cache(cache_key, context):
     )
 
 
+def _sales_page_context_cache_file(cache_key):
+    return _SALES_ANALYSIS_PAGE_CACHE_DIR / f"{cache_key}.pkl"
+
+
+def _get_sales_shared_page_context_cache(cache_key):
+    path = _sales_page_context_cache_file(cache_key)
+    if not path.exists():
+        return None
+    try:
+        if time.time() - path.stat().st_mtime >= _SALES_SHARED_PAGE_CONTEXT_CACHE_TTL:
+            path.unlink(missing_ok=True)
+            return None
+        with open(path, 'rb') as f:
+            payload = pickle.load(f)
+        if payload.get('version') != SYSTEM_VERSION:
+            return None
+        return payload.get('context')
+    except Exception as exc:
+        sys_log.warning(f"[Sales Analysis] 共享頁面快取讀取失敗: {exc}")
+        return None
+
+
+def _set_sales_shared_page_context_cache(cache_key, context):
+    path = _sales_page_context_cache_file(cache_key)
+    tmp_path = path.with_suffix(f".{os.getpid()}.tmp")
+    try:
+        os.makedirs(path.parent, exist_ok=True)
+        with open(tmp_path, 'wb') as f:
+            pickle.dump({'version': SYSTEM_VERSION, 'context': context}, f, protocol=pickle.HIGHEST_PROTOCOL)
+        os.replace(tmp_path, path)
+    except Exception as exc:
+        sys_log.warning(f"[Sales Analysis] 共享頁面快取寫入失敗: {exc}")
+        try:
+            if tmp_path.exists():
+                tmp_path.unlink()
+        except OSError:
+            pass
+
+
 def _format_sales_data_range(min_date, max_date):
     if not min_date or not max_date:
         return ''
@@ -854,6 +897,19 @@ def sales_analysis():
         else:
             cache_key = f"{table_name}_{data_range_months}m"
 
+        page_cache_key = "sales_analysis:page_context:" + _sales_analysis_args_fingerprint(
+            table_name,
+            cache_key,
+            SYSTEM_VERSION,
+        )
+        cached_context = (
+            _get_sales_page_context_cache(page_cache_key)
+            or _get_sales_shared_page_context_cache(page_cache_key)
+        )
+        if cached_context:
+            _set_sales_page_context_cache(page_cache_key, cached_context)
+            return render_template('sales_analysis.html', **cached_context)
+
         # 2. 讀取與處理資料 (V-Opt: 使用二級快取機制 Raw -> Processed)
         df = None
         cols_map = {}
@@ -1161,16 +1217,6 @@ def sales_analysis():
             }
             set_sales_processed_cache(cache_key, cache_entry, aliases=(table_name,))
 
-        processed_entry = _SALES_PROCESSED_CACHE.get(cache_key, {})
-        page_cache_key = "sales_analysis:page_context:" + _sales_analysis_args_fingerprint(
-            table_name,
-            cache_key,
-            processed_entry.get('time'),
-        )
-        cached_context = _get_sales_page_context_cache(page_cache_key)
-        if cached_context:
-            return render_template('sales_analysis.html', **cached_context)
-
         # 🚩 V-Opt: 使用共用篩選函式
         target_df, cols_map, err = _get_filtered_sales_data(cache_key)
         if err:
@@ -1705,6 +1751,7 @@ def sales_analysis():
             'db_data_range': db_data_range,
         }
         _set_sales_page_context_cache(page_cache_key, context)
+        _set_sales_shared_page_context_cache(page_cache_key, context)
         return render_template('sales_analysis.html', **context)
 
     except Exception as e:

services/cache_manager.py

@@ -69,6 +69,7 @@ _DASHBOARD_CACHE_TTL = 1800
 _BASE_DIR = Path(__file__).resolve().parents[1]
 _DASHBOARD_SHARED_CACHE_FILE = _BASE_DIR / "data" / "dashboard_full_cache.pkl"
 _DASHBOARD_STALE_CACHE_FILE = _BASE_DIR / "data" / "dashboard_full_cache_stale.pkl"
+_SALES_ANALYSIS_PAGE_CACHE_DIR = _BASE_DIR / "data" / "sales_analysis_page_cache"
 
 
 def cleanup_sales_cache():
@@ -116,6 +117,15 @@ def clear_sales_cache():
     _SALES_PROCESSED_CACHE.clear()
     _SALES_OPTIONS_CACHE.clear()
     _SALES_ANALYSIS_RESULT_CACHE.clear()
+    try:
+        if _SALES_ANALYSIS_PAGE_CACHE_DIR.exists():
+            for cache_file in _SALES_ANALYSIS_PAGE_CACHE_DIR.glob("*.pkl"):
+                try:
+                    cache_file.unlink()
+                except OSError:
+                    logger.debug("sales analysis page cache file cleanup failed: %s", cache_file, exc_info=True)
+    except OSError:
+        logger.debug("sales analysis page cache cleanup failed", exc_info=True)
 
 
 def clear_daily_sales_cache():