def deleteById(self, record_id):
record = Record.objects(id_number= record_id)
if record is not None:
record.delete()
return True
else:
return False
def get_current_record(self):
record_id = self.get_secure_cookie("record_id")
if not record_id:
return None
else:
try:
record = Record.objects(pk=ObjectId(record_id)).get()
except DoesNotExist:
self.clear_cookie("record_id")
# self.redirect(self.get_argument("next", "/"))
self.clear_all_cookies()
self.render("login.html", error="请重新登录")
raise tornado.web.Finish
else:
return record
def readById(self, record_id):
record = Record.objects(id_number= record_id)
return record
def get(self):
"""
生成背诵列表
使用Cookie来记录用户的Record
:return:
"""
user = self.get_current_user_mongo()
# 获取上次未完成的背诵
record = self.get_current_record()
if record:
# self.write_response(record.format_response())
next_word = record.next_word
self.set_secure_cookie("next_word", next_word)
self.render("recite.html",
record=record.format_response(),
next_word=next_word)
return
# 已背的单词们
# Pipeline
pipeline = [
# Stage 1
{
"$match": {
"user": user.pk,
}
},
# Stage
{
"$unwind": "$words"
},
# Stage
{
"$match": {
"words.status": WORD_FINISHED
}
},
# Stage
{
"$group": {
"_id": "$user",
"words_recited": {
"$addToSet": "$words.word"
}
}
},
# Stage
{
"$project": {
"_id": 0,
"words_recited": 1
}
}
]
logging.info(user.pk)
recited_words = Record.objects(
user=user, words__status=WORD_FINISHED).aggregate(*pipeline)
# 如果有值, 会返回只拥有一个元素的列表
recited_words = list(recited_words)
query = [Q(scope__in=[user.scope])]
if recited_words:
query.append(Q(word__nin=recited_words[0]['words_recited']))
query = reduce(lambda x, y: x & y, query)
# 获取新的待背诵单词
wait_words = Word.objects(query).limit(user.quota)
# 记录新的背诵记录
new_record = Record(user=user,
words=[{
"word": word.word,
"status": WORD_UNDONE
} for word in wait_words]).save()
self.set_secure_cookie("record_id", str(new_record.id))
next_word = new_record.words[0]['word']
# self.set_secure_cookie("next_word", next_word)
self.render("recite.html",
record=new_record.format_response(),
next_word=next_word)
return
def get(self):
"""
生成背诵列表
使用Cookie来记录用户的Record
:return:
"""
user = self.get_current_user_mongo()
# 获取上次未完成的背诵
record = self.get_current_record()
if record:
# self.write_response(record.format_response())
next_word = record.next_word
self.set_secure_cookie("next_word", next_word)
self.render("recite.html", record=record.format_response(), next_word=next_word)
return
# 已背的单词们
# Pipeline
pipeline = [
# Stage 1
{
"$match": {
"user": user.pk,
}
},
# Stage
{
"$unwind": "$words"
},
# Stage
{
"$match": {
"words.status": WORD_FINISHED
}
},
# Stage
{
"$group": {
"_id": "$user",
"words_recited": {"$addToSet": "$words.word"}
}
},
# Stage
{
"$project": {
"_id": 0,
"words_recited": 1
}
}
]
logging.info(user.pk)
recited_words = Record.objects(user=user, words__status=WORD_FINISHED).aggregate(*pipeline)
# 如果有值, 会返回只拥有一个元素的列表
recited_words = list(recited_words)
query = [Q(scope__in=[user.scope])]
if recited_words:
query.append(Q(word__nin=recited_words[0]['words_recited']))
query = reduce(lambda x, y: x & y, query)
# 获取新的待背诵单词
wait_words = Word.objects(query).limit(user.quota)
# 记录新的背诵记录
new_record = Record(
user=user, words=[{"word": word.word, "status": WORD_UNDONE} for word in wait_words]
).save()
self.set_secure_cookie("record_id", str(new_record.id))
next_word = new_record.words[0]['word']
# self.set_secure_cookie("next_word", next_word)
self.render("recite.html", record=new_record.format_response(), next_word=next_word)
return