def add_answer(self, question_id, source, author):
question = Question.get_by_id(int(question_id))
if not question or not source:
self.set_error_code(500)
return
#TODO: if answer is added by anonymouse, author should be set to None,
# real_author is always set.(eg. question_relationship = get_relationshiop(question))
new_answer = Answer(
parent = question.key,
summary = source[0:100],
question = question.key,
author = author.key,
real_author = author.key,
content = source.replace("\n", "<br />"),
source = source)
new_answer.put()
relation = AccountQuestionRelationService().get_relationship(author.key, question.key)
relation.my_answer = new_answer.key
relation.put()
QuestionService().update_answer_num(question.key)
return new_answer
def set_no_help(self, actor, question_id, answer_id):
question = Question.get_by_id(int(question_id))
answer = Answer.get_by_id(parent = question.key, id = int(answer_id))
relation = AccountQuestionRelationService().get_relationship(actor.key, question.key)
if not answer.key in relation.no_help_answers:
relation.no_help_answers.append(answer.key)
relation.put()
def remove_answer_from_question(self, question_id, answer_id):
question = Question.get_by_id(int(question_id))
if not question:
return
answer = Answer.get_by_id(int(answer_id), parent = question.key)
if not answer:
return
answer.key.delete()
self.update_answer_num(question.key)
return question
def voteup_answer(self, actor, question_id, answer_id):
question = Question.get_by_id(int(question_id))
answer = Answer.get_by_id(parent = question.key, id = int(answer_id))
relation = AccountQuestionRelationService().get_relationship(actor.key, question.key)
if answer.key in relation.up_voted_answers:
relation.up_voted_answers = [ a for a in relation.up_voted_answers if a != answer.key ]
answer.up_voted_users = [ u for u in answer.up_voted_users if u != actor.key ]
else:
relation.up_voted_answers.append(answer.key)
answer.up_voted_users.append(actor.key)
relation.down_voted_answers = [ a for a in relation.down_voted_answers if a != answer.key ]
answer.down_voted_users = [ u for u in answer.down_voted_users if u != actor.key ]
answer.put()
relation.put()
def update_answer(self, question_id, answer_id, source):
current_question = Question.get_by_id(int(question_id))
if not current_question:
return
answer = Answer.get_by_id(int(answer_id), parent = current_question.key)
#TODO: raise 404 error.
if not answer:
return
#TODO: filter desc content using hlper method.
content = source.replace("\n", "<br />")
answer.content = content
answer.source = source
answer.put()
def delete_question(self, question_id):
question = Question.get_by_id(int(question_id))
if not question:
return
question.key.delete()
def focus_question_(self, is_focus, account_key, question_id): question = Question.get_by_id(int(question_id)) relation = AccountQuestionRelationService().get_relationship(account_key, question.key) relation.focused = is_focus relation.put()
def get_answers_by_question_id(self, question_id): #don't need call entity service for single get operation question = Question.get_by_id(int(question_id)) answers = Answer.query(ancestor = question.key).fetch() return answers
def cancel_no_help(self, actor, question_id, answer_id): question = Question.get_by_id(int(question_id)) answer = Answer.get_by_id(parent = question.key, id = int(answer_id)) relation = AccountQuestionRelationService().get_relationship(actor.key, question.key) relation.no_help_answers = [ a for a in relation.no_help_answers if a != answer.key ] relation.put()
