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Running
on
Zero
File size: 4,170 Bytes
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from datetime import datetime
import json
import os
import pytz
import traceback
class UserHistoryManager:
def __init__(self):
"""初始化歷史紀錄管理器"""
self.history_file = "user_history.json"
print(f"Initializing UserHistoryManager with file: {os.path.abspath(self.history_file)}")
self._init_file()
def _init_file(self):
"""初始化JSON檔案"""
try:
if not os.path.exists(self.history_file):
print(f"Creating new history file: {self.history_file}")
with open(self.history_file, 'w', encoding='utf-8') as f:
json.dump([], f)
else:
print(f"History file exists: {self.history_file}")
# 驗證檔案內容
with open(self.history_file, 'r', encoding='utf-8') as f:
data = json.load(f)
print(f"Current history entries: {len(data)}")
except Exception as e:
print(f"Error in _init_file: {str(e)}")
print(traceback.format_exc())
# def save_history(self, user_preferences: dict = None, results: list = None, search_type: str = "criteria", description: str = None) -> bool:
# """
# 儲存搜尋歷史，支援兩種類型的搜尋
# Args:
# user_preferences: dict, 使用者偏好設定 (用於 criteria 搜尋)
# results: list, 推薦結果
# search_type: str, 搜尋類型 ("criteria" 或 "description")
# description: str, 使用者輸入的描述 (用於 description 搜尋)
# """
# try:
# taipei_tz = pytz.timezone('Asia/Taipei')
# taipei_time = datetime.now(taipei_tz)
# history_entry = {
# "timestamp": taipei_time.strftime("%Y-%m-%d %H:%M:%S"),
# "search_type": search_type,
# "results": results
# }
# # 根據搜尋類型添加不同的資訊
# if search_type == "criteria":
# history_entry["preferences"] = user_preferences
# else: # description
# history_entry["description"] = description
# with open(self.history_file, 'r', encoding='utf-8') as f:
# history = json.load(f)
# history.append(history_entry)
# if len(history) > 20:
# history = history[-20:]
# with open(self.history_file, 'w', encoding='utf-8') as f:
# json.dump(history, f, ensure_ascii=False, indent=2)
# return True
# except Exception as e:
# print(f"Error saving history: {str(e)}")
# return False
def save_history(self, user_preferences: dict = None, results: list = None, search_type: str = "criteria", description: str = None) -> bool:
history_entry = {
"timestamp": taipei_time.strftime("%Y-%m-%d %H:%M:%S"),
"search_type": search_type,
"results": results
}
def get_history(self) -> list:
"""獲取搜尋歷史"""
try:
print("Attempting to read history") # Debug
with open(self.history_file, 'r', encoding='utf-8') as f:
data = json.load(f)
print(f"Read {len(data)} history entries") # Debug
return data if isinstance(data, list) else []
except Exception as e:
print(f"Error reading history: {str(e)}")
print(traceback.format_exc())
return []
def clear_all_history(self) -> bool:
"""清除所有歷史紀錄"""
try:
print("Attempting to clear all history") # Debug
with open(self.history_file, 'w', encoding='utf-8') as f:
json.dump([], f)
print("History cleared successfully") # Debug
return True
except Exception as e:
print(f"Error clearing history: {str(e)}")
print(traceback.format_exc())
return False
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