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duan_wechat.py
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# -*- coding: utf-8 -*-
import datetime
import falcon
import json
import os
import time
from elasticsearch import Elasticsearch
from wechat_sdk import WechatBasic
from wechat_sdk.exceptions import ParseError
from wechat_sdk.messages import TextMessage, EventMessage
from util.cache import redisServer
from config import wechatConfig, replyConfig
from util.util import handleQuestion, afterSearch, findGreeting, getReply,findThanks
from util.log import log
class duanWechat(object):
def __init__(self):
self.wechat = WechatBasic(conf=wechatConfig)
self.es = Elasticsearch()
def on_get(self, req, resp):
signature = req.params['signature']
echostr = req.params['echostr']
timestamp = req.params['timestamp']
nonce = req.params['nonce']
# """Handles GET requests"""
if self.wechat.check_signature(signature, timestamp, nonce):
resp.status = falcon.HTTP_200 # This is the default status
resp.body = echostr
def on_post(self, req, resp):
reply = ''
result = False
today = datetime.date.today()
xml_str = str(req.stream.read().decode("utf-8"))
print("<New message>")
try:
self.wechat.parse_data(xml_str)
user = self.wechat.message.source
createdTime = self.wechat.message.time
if isinstance(self.wechat.message, TextMessage):
saidHello = self.sayHello(user, today, createdTime)
content = self.wechat.message.content
try:
# content is number
number = int(content) - 1
if number >= 0 and number < redisServer.getQuestionLength(user) and redisServer.getQuestionLength(
user) > 0:
if len(redisServer.getHref(user, number).decode("utf-8")) != 0:
reply = getReply(
redisServer.getQuestion(user, number).decode("utf-8"),
redisServer.getAnswer(user, number).decode("utf-8"),
redisServer.getHref(user, number).decode("utf-8"),
redisServer.getTitle(user, number).decode("utf-8")
)
else:
reply = getReply(redisServer.getQuestion(user, number).decode("utf-8"),
redisServer.getAnswer(user, number).decode("utf-8"))
else:
reply = replyConfig['not_found']
except ValueError:
# content is text
if findGreeting(content) and not saidHello:
# try:
# self.wechat.send_text_message(user, self.setWelcomeWord(createdTime))
# except:
# pass
reply = self.setWelcomeWord(createdTime) + "！" + replyConfig["greeting"]
if findThanks(content):
reply = replyConfig["nothanks"]
else:
reply, answerID, maxScore, questionIDs = self.searchQuestion(user, content)
# log_server
log.writeLog(user, content, answerID, maxScore, questionIDs)
resp.status = falcon.HTTP_200
resp.body = self.wechat.response_text(content=reply)
elif isinstance(self.wechat.message, EventMessage):
if self.wechat.message.type == 'subscribe':
if not redisServer.ifUserLogged(today, user):
redisServer.setUser(today, user)
# try:
# self.wechat.send_text_message(user, replyConfig['welcome'])
# except:
# pass
resp.status = falcon.HTTP_200
reply = replyConfig['welcome'] + "\n" + replyConfig['welcome2']
resp.body = self.wechat.response_text(content=reply)
else:
resp.status = falcon.HTTP_200
reply = replyConfig['not_found']
resp.body = self.wechat.response_text(content=reply)
except ParseError:
resp.status = falcon.HTTP_200
resp.body = ""
def searchQuestion(self, user, question):
questionIDs = []
answerID = None
bar = 100
# handleQuestion
(question_sequence, question, period, isSub) = handleQuestion(question)
if isSub:
bar = 90
query_data = {
"query": {
"bool": {
"should": [
{
"multi_match": {
"query": question_sequence,
"fields": [
"question^2",
"answer^1"
],
"boost": 1
}
},
{
"match_phrase": {
"question": {
"query": question_sequence,
"boost": 3
}
}
},
{
"match_phrase": {
"answer": {
"query": question_sequence,
"slop": 0,
"boost": 2
}
}
}
]
}
},
"highlight": {
"pre_tags": [
""
],
"post_tags": [
""
],
"fields": {
"question": {},
"answer": {}
}
}
}
res = self.es.search(index="qa_demo", body=json.dumps(query_data, ensure_ascii=False))
filtered_hits, maxScore, took = afterSearch(res, period)
if len(filtered_hits) >= 6:
redisServer.clearUserSearch(user)
if maxScore > bar:
print(filtered_hits[0]['_source'])
if filtered_hits[0]['_source']['href'] != None:
answer = getReply(filtered_hits[0]['_source']['answer']) + '\n' \
+ "<a href=\"" + filtered_hits[0]['_source']['href'] + "\">【知识来源:段涛大夫" + \
filtered_hits[0]['_source']['title'] + "】</a>"
else:
answer = getReply(filtered_hits[0]['_source']['answer']) + '\n' \
+ "【知识来源:段涛大夫" + filtered_hits[0]['_source']['title'] + "】"
answerID = filtered_hits[0]['_id']
# try:
# self.wechat.send_text_message(user, answer)
# except:
# pass
content = answer + "\n\n" \
+ replyConfig['interesting'] + "\n" \
+ '1.' + filtered_hits[1]['_source']['question'].strip() + '\n' \
+ '2.' + filtered_hits[2]['_source']['question'].strip() + '\n' \
+ '3.' + filtered_hits[3]['_source']['question'].strip() + '\n' \
+ '4.' + filtered_hits[4]['_source']['question'].strip() + "\n" \
+ '5.' + filtered_hits[5]['_source']['question'].strip() + "\n" \
+ "(若是，请输入问题前面的数字)"
for i in range(1, 6):
redisServer.setUserSearch(user, filtered_hits[i]['_source']['question'].strip()
, filtered_hits[i]['_source']['answer']
, filtered_hits[i]['_source']['title']
, filtered_hits[i]['_source']['href'])
questionIDs.append(filtered_hits[i]['_id'])
else:
content = replyConfig['exist'] + "\n" \
+ '1.' + filtered_hits[0]['_source']['question'].strip() + '\n' \
+ '2.' + filtered_hits[1]['_source']['question'].strip() + '\n' \
+ '3.' + filtered_hits[2]['_source']['question'].strip() + '\n' \
+ '4.' + filtered_hits[3]['_source']['question'].strip() + "\n" \
+ '5.' + filtered_hits[4]['_source']['question'].strip() + "\n" \
+ "(若是，请输入问题前面的数字)"
for i in range(0, 5):
redisServer.setUserSearch(user, filtered_hits[i]['_source']['question'].strip()
, filtered_hits[i]['_source']['answer']
, filtered_hits[i]['_source']['title']
, filtered_hits[i]['_source']['href'])
questionIDs.append(filtered_hits[i]['_id'])
elif len(filtered_hits) == 1:
redisServer.clearUserSearch(user)
if maxScore > bar:
if filtered_hits[0]['_source']['href'] != None:
content = getReply(filtered_hits[0]['_source']['answer']) + '\n' \
+ "<a href=\"" + filtered_hits[0]['_source']['href'] + "\">【知识来源:段涛大夫" + \
filtered_hits[0]['_source']['title'] + "】</a>"
else:
content = getReply(filtered_hits[0]['_source']['answer']) + '\n' \
+ "【知识来源:段涛大夫" + filtered_hits[0]['_source']['title'] + "】"
answerID = filtered_hits[0]['_id']
else:
content = replyConfig['exist'] + "\n"
index = 1
for filtered_hit in filtered_hits:
content = content + str(index) + '.' + filtered_hit['_source']['question'].strip() + "\n"
index += 1
content = content + "(若是，请输入问题前面的数字)"
for i in range(0, len(filtered_hits)):
redisServer.setUserSearch(user, filtered_hits[i]['_source']['question'].strip()
, filtered_hits[i]['_source']['answer']
, filtered_hits[i]['_source']['title']
, filtered_hits[i]['_source']['href'])
questionIDs.append(filtered_hits[i]['_id'])
elif len(filtered_hits) > 0:
redisServer.clearUserSearch(user)
if maxScore > bar:
print(filtered_hits[0]['_source'])
if filtered_hits[0]['_source']['href'] != None:
answer = getReply(filtered_hits[0]['_source']['answer']) + '\n' \
+ "<a href=\"" + filtered_hits[0]['_source']['href'] + "\">【知识来源:段涛大夫" + \
filtered_hits[0]['_source']['title'] + "】</a>"
else:
answer = getReply(filtered_hits[0]['_source']['answer']) + '\n' \
+ "【知识来源:段涛大夫" + filtered_hits[0]['_source']['title'] + "】"
answerID = filtered_hits[0]['_id']
# try:
# self.wechat.send_text_message(user, answer)
# except:
# pass
content = answer + "\n\n" + replyConfig['interesting'] + "\n"
index = 1
for index in range(1, len(filtered_hits)):
content = content + str(index) + '.' + filtered_hits[index]['_source']['question'].strip() + "\n"
index += 1
content = content + "(若是，请输入问题前面的数字)"
for i in range(1, len(filtered_hits)):
redisServer.setUserSearch(user, filtered_hits[i]['_source']['question'].strip()
, filtered_hits[i]['_source']['answer']
, filtered_hits[i]['_source']['title']
, filtered_hits[i]['_source']['href'])
questionIDs.append(filtered_hits[i]['_id'])
else:
content = replyConfig['exist'] + "\n"
index = 1
for filtered_hit in filtered_hits:
content = content + str(index) + '.' + filtered_hit['_source']['question'].strip() + "\n"
index += 1
content = content + "(若是，请输入问题前面的数字)"
for i in range(0, len(filtered_hits)):
redisServer.setUserSearch(user, filtered_hits[i]['_source']['question'].strip()
, filtered_hits[i]['_source']['answer']
, filtered_hits[i]['_source']['title']
, filtered_hits[i]['_source']['href'])
questionIDs.append(filtered_hits[i]['_id'])
else:
content = replyConfig['not_found']
return content, answerID, maxScore, questionIDs
# say hello at first time
def sayHello(self, user, today, createdTime):
os.environ['TZ'] = 'Asia/Shanghai'
time.tzset()
now = time.localtime(createdTime)
saidHello = False
if not redisServer.ifUserLogged(today, user):
welcomeWord = self.setWelcomeWord(createdTime)
try:
self.wechat.send_text_message(user, welcomeWord)
except:
pass
saidHello = True
redisServer.setUser(today, user)
return saidHello
def setWelcomeWord(self, createdTime):
welcomeWord = " "
os.environ['TZ'] = 'Asia/Shanghai'
time.tzset()
now = time.localtime(createdTime)
if now.tm_hour < 12:
welcomeWord = replyConfig["morning"]
if now.tm_hour == 12:
welcomeWord = replyConfig["noon"]
if 18 > now.tm_hour > 12:
welcomeWord = replyConfig["afternoon"]
if now.tm_hour >= 18:
welcomeWord = replyConfig["evening"]
return welcomeWord