# -*- coding: utf-8 -*-
 
# 使用sqlite3保存message，當(dāng)有人撤回消息時(shí)在數(shù)據(jù)庫中通過ID檢索該消息是否存在，如果存在則將撤回的消息發(fā)送到文件助手里。
# 目前只支持 text picture map sharing recording video attachment 類型的消息。
 
import wxpy
import sqlite3
import os
import re
 
 
# 準(zhǔn)備工作
# 創(chuàng)建attachment目錄用于存儲(chǔ) 圖像、地圖/位置、分享、語音、視頻、文件
if not os.path.isdir('attachment'):
  os.mkdir('attachment')
attachment_path = os.path.join(os.getcwd(), 'attachment')
bot = wxpy.Bot()
# 用于獲取msg ID
pattern = re.compile(r'\d{19}')
# 測試wxpy能否正常工作
myself = bot.friends()[0]
myself.send('Hello?')
 
# 創(chuàng)建數(shù)據(jù)庫和message表
try:
  conn = sqlite3.connect('wxpy.db')
  cursor = conn.cursor()
  # cursor.execute('DROP TABLE MESSAGES')
  cursor.execute("""CREATE TABLE IF NOT EXISTS MESSAGES (id INTEGER PRIMARY KEY AUTOINCREMENT,
           msg_id INTEGER NOT NULL,
           msg_text TEXT,
           create_time DATE NOT NULL,
           revoke_time DATE,
           attachment_path TEXT,
           msg_sender TEXT NOT NULL,
           msg_type TEXT NOT NULL,
           msg_url TEXT,
           msg_raw_data TEXT NOT NULL)""")
  # print('establish successfully')
finally:
  conn.commit()
  cursor.close()
  conn.close()
 
# 注冊(cè)所有消息，在程序運(yùn)行期間將插入所有支持的信息
@bot.register()
def store_data(msg):
  # print(msg.raw)
  # 如果消息是支持的類型就將數(shù)據(jù)插入數(shù)據(jù)庫
  if msg.type in [wxpy.TEXT, wxpy.RECORDING, wxpy.PICTURE, wxpy.ATTACHMENT, wxpy.VIDEO, wxpy.SHARING, wxpy.MAP]:
    insert_data(msg)
  # 撤回的消息類型是note
  elif msg.type == wxpy.NOTE:
    send_revoke(msg)
 
# 插入數(shù)據(jù)
def insert_data(msg):
  try:
    conn = sqlite3.connect('wxpy.db')
    cursor = conn.cursor()
    if msg.type == wxpy.TEXT:
      cursor.execute("INSERT INTO MESSAGES (msg_id, msg_text, create_time, msg_sender, msg_type, msg_raw_data)\
              values (?, ?, ?, ?, ?, ?)", (msg.id, msg.text, msg.create_time, str(msg.sender)[9:-1],
                             msg.type, str(msg.raw)))
 
    # 將錄音/圖像/文件/視頻下載到本地，插入保存路徑。
    elif msg.type in [wxpy.RECORDING, wxpy.PICTURE, wxpy.ATTACHMENT, wxpy.VIDEO]:
      save_path = os.path.join(attachment_path, msg.file_name)
      msg.get_file(save_path)
      cursor.execute('INSERT INTO MESSAGES (msg_id, create_time, attachment_path, msg_sender, msg_type,\
              msg_raw_data) values (?, ?, ?, ?, ?, ?)',
              (msg.id, msg.create_time, save_path, str(msg.sender)[9:-1], msg.type, str(msg.raw)))
 
    # 插入分享/位置鏈接
    elif msg.type in [wxpy.SHARING, wxpy.MAP]:
      cursor.execute('INSERT INTO MESSAGES (msg_id, msg_text, create_time, msg_sender, msg_type, msg_url,\
              msg_raw_data) values (?, ?, ?, ?, ?, ?, ?)',
              (msg.id, msg.text, msg.create_time, str(msg.sender)[9:-1], msg.type, str(msg.url), str(msg.raw)))
    # print('insert data successfully')
 
  finally:
    conn.commit()
    cursor.close()
    conn.close()
 
# 在數(shù)據(jù)庫中檢索消息是否存在，如果存在則將被撤回的消息發(fā)送到文件傳輸助手。
def send_revoke(message):
  msg_id = pattern.search(message.raw['Content']).group()
  try:
    conn = sqlite3.connect('wxpy.db')
    cursor = conn.cursor()
    cursor.execute('INSERT INTO MESSAGES (msg_id, create_time, msg_sender, msg_type, msg_raw_data)\
            values (?, ?, ?, ?, ?)',
            (message.id, message.create_time, str(message.sender)[9:-1], message.type, str(message.raw)))
    msg_data = cursor.execute('SELECT * FROM MESSAGES WHERE msg_id=?', (msg_id, )).fetchall()
    # print('take out data successfully')
  finally:
    conn.commit()
    cursor.close()
    conn.close()
  if msg_data[0][7] == 'Text':
    msg_info = '告訴你一個(gè)秘密 {} 在 {} 撤回了文本\n{}'.format(msg_data[0][6], msg_data[0][3], msg_data[0][2])
    bot.file_helper.send(msg_info)
  else:
    send_revoke_nontext(msg_data)
 
# 非文本信息發(fā)送
def send_revoke_nontext(msg_data):
  if msg_data[0][7] == 'Picture':
    if msg_data[0][5][-4:] == '.gif':
      # 現(xiàn)在wxpy & itchat發(fā)不了GIF了
      bot.file_helper('很抱歉，暫時(shí)不支持表情（gif）的撤回重發(fā)。')
    else:
      msg_info = '告訴你一個(gè)秘密 {} 在 {} 撤回了圖像'.format(msg_data[0][6], msg_data[0][3])
      bot.file_helper.send(msg_info)
      bot.file_helper.send_image(msg_data[0][5])
  elif msg_data[0][7] == 'Recording':
    msg_info = '告訴你一個(gè)秘密 {} 在 {} 撤回了語音'.format(msg_data[0][6], msg_data[0][3])
    bot.file_helper.send(msg_info)
    bot.file_helper.send_file(msg_data[0][5])
  elif msg_data[0][7] == 'Attachment':
    msg_info = '告訴你一個(gè)秘密 {} 在 {} 撤回了文件'.format(msg_data[0][6], msg_data[0][3])
    bot.file_helper.send(msg_info)
    bot.file_helper.send_file(msg_data[0][5])
  elif msg_data[0][7] == 'Video':
    msg_info = '告訴你一個(gè)秘密 {} 在 {} 撤回了視頻'.format(msg_data[0][6], msg_data[0][3])
    bot.file_helper.send(msg_info)
    bot.file_helper.send_video(msg_data[0][5])
  elif msg_data[0][7] == 'Sharing':
    msg_info = '告訴你一個(gè)秘密 {} 在 {} 撤回了分享\n{}\n{}'.format(msg_data[0][6], msg_data[0][3], msg_data[0][2],\
                             msg_data[0][8])
    bot.file_helper.send(msg_info)
  elif msg_data[0][7] == 'Map':
    msg_info = '告訴你一個(gè)秘密 {} 在 {} 撤回了位置\n{}\n{}'.format(msg_data[0][6], msg_data[0][3], msg_data[0][2],\
                             msg_data[0][8])
    bot.file_helper.send(msg_info)
 
 
wxpy.embed()