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Flask develops and implements the like comment module of the online question and answer system
2022-06-11 05:27:00 【Always happy old pea】
Preface
Implement the comment module
Realize the development of answer comment function
from flask import Blueprint, render_template, request, abort, redirect, url_for, flash, jsonify
from flask_login import login_required, current_user
from models import Question, Answer, AnswerComment, db
from qa.forms import WriteQuestionForm, WriteAnswerForm
qa = Blueprint('qa', __name__,
template_folder='templates',
static_folder='../assets')
@qa.route('/')
def index():
""" home page Answer list """
per_page = 20 # Size of data per page
page = int(request.args.get('page', 1))
page_data = Answer.query.filter_by(is_valid=True).paginate(
page=page, per_page=per_page)
return render_template('index.html', page_data=page_data)
@qa.route('/follow')
def follow():
""" Focus on List of questions """
per_page = 20 # Size of data per page
page = int(request.args.get('page', 1))
page_data = Question.query.filter_by(is_valid=True).paginate(
page=page, per_page=per_page)
return render_template('follow.html', page_data=page_data)
@qa.route('/qa/list')
def question_list():
""" Query the problem data list
// json
{
'code': 0,
'data': ''
}
"""
try:
per_page = 2 # Size of data per page
page = int(request.args.get('page', 1))
page_data = Question.query.filter_by(is_valid=True).paginate(
page=page, per_page=per_page)
data = render_template('qa_list.html', page_data=page_data)
return {
'code': 0, 'data': data}
except Exception as e:
print(e)
data = ''
return {
'code': 1, 'data': ''}
@qa.route('/write', methods=['GET', 'POST'])
@login_required
def write():
""" Write an article , put questions to """
form = WriteQuestionForm()
if form.validate_on_submit():
try:
que_obj = form.save()
if que_obj:
flash(' Successfully released the problem ', 'success')
return redirect(url_for('qa.index'))
except Exception as e:
print(e)
flash(' Publishing problem failed , Please try again later ', 'danger')
return render_template('write.html', form=form)
@qa.route('/detail/<int:q_id>', methods=['GET', 'POST'])
def detail(q_id):
""" Details of the problem """
# 1. Query question information
question = Question.query.get(q_id)
if not question.is_valid:
abort(404)
# 2. Show the first response
answer = question.answer_list.filter_by(is_valid=True).first()
# Add answer
form = WriteAnswerForm()
if form.validate_on_submit():
try:
if not current_user.is_authenticated:
flash(' Please log in first ', 'danger')
return redirect(url_for('accounts.login'))
form.save(question=question)
flash(' Answer the question successfully ', 'success')
return redirect(url_for('qa.detail', q_id=q_id))
except Exception as e:
print(e)
return render_template('detail.html',
question=question,
answer=answer,
form=form)
@qa.route('/comments/<int:answer_id>', methods=['GET', 'POST'])
def comments(answer_id):
""" Comment on """
answer = Answer.query.get(answer_id)
if request.method == 'POST':
# Add comments
try:
if not current_user.is_authenticated:
result = {
'code': 1, 'message': ' Please log in '}
return jsonify(result), 400
# 1. get data
content = request.form.get('content', '')
# 2. Save to database
question = answer.question
comment_obj = AnswerComment(content=content,
user=current_user,
answer=answer,
question=question
)
db.session.add(comment_obj)
db.session.commit()
return '', 201
except Exception as e:
result = {
'code': 1, 'message': ' The server is busy , Please try again later '}
return jsonify(result), 400
else:
# Get a list of comments
pass
{
% extends 'base_layout.html' %}
{
% block title %}{
{
super() }} - Article details {
% endblock %}
{
% block header %}
<link rel="stylesheet" href="/assets/style/detail.css">
{
% endblock %}
{
% block content %}
<!-- A brief description of the problem -->
<div class="layout-question">
<div class="container">
<div class="row">
<div class="col-md-9">
{
% include 'components/flash_messages.html' %}
<!-- Question tag -->
{
% if question.tags %}
<ul class="que-tag-ls">
{
% for tag in question.tags %}
<li><a href="#">{
{
tag.tag_name }}</a></li>
{
% endfor %}
</ul>
{
% endif %}
<!-- // Question tag -->
<h3>{
{
question.title }}</h3>
<div class="show-desc hidden">
{
{
question.desc|d(' no ', True) }}…
<span class="btn-show-more"> Show all <i class="glyphicon glyphicon-menu-down"></i></span>
</div>
<div class="show-all ">
{
% autoescape false %}
{
{
question.content|safe }}
{
% endautoescape %}
<span class="btn-show-less"> Retract <i class="glyphicon glyphicon-menu-up"></i></span>
</div>
<!-- menu bar -->
<div class="qa-footer">
<div>
<button type="button" class="btn btn-info btn-sm"> Turn off notes </button>
</div>
<div>
<button type="button" class="btn btn-info btn-sm" data-toggle="modal" data-target="#addComment"> Write the answer </button>
</div>
<div class="txt-menu"><i class="glyphicon glyphicon-comment"></i> {
{
question.comment_count }} comments </div>
<div class="txt-menu"><i class="glyphicon glyphicon-send"></i> Share </div>
<div class="txt-menu"><i class="glyphicon glyphicon-flag"></i> report </div>
<div class="txt-menu"></div>
<div class="txt-menu btn-group">
<i class="glyphicon glyphicon-option-horizontal dropdown-toggle" data-toggle="dropdown"
aria-haspopup="true" aria-expanded="false"></i>
<ul class="dropdown-menu">
<li><a href="#"> Not interested in </a></li>
</ul>
</div>
</div>
<!-- // menu bar -->
</div>
<div class="col-md-3">
<div class="que-stats-box">
<!-- Concern -->
<div>
<span> Concern </span>
<strong>{
{
question.follow_count|number_split }}</strong>
</div>
<!-- // Concern -->
<!-- Browsed -->
<div>
<span> Browsed </span>
<strong>{
{
question.view_count|number_split }}</strong>
</div>
<!-- // Browsed -->
</div>
</div>
</div><!-- // row -->
</div>
</div>
<!-- // A brief description of the problem -->
<div class="layout-answer">
<div class="container">
<div class="row">
<div class="col-md-9 left-content">
{
% block link_more %}
<a class="link-more" href="#"> Check all {
{
question.answer_count|number_split }} answer </a>
{
% endblock %}
<!-- Answer the content area -->
{
% if answer %}
<div class="answer-content box-wrap">
<div class="user-info">
<div class="avater">
{
% if answer.user.avatar %}
<img src="{
{ answer.user.avatar }}" alt=" The avatars ">
{
% else %}
<img src="/assets/home/qa/user_head.jpg" alt=" The avatars ">
{
% endif %}
</div>
<div class="desc">
<h4>{
{
answer.user.nickname }}</h4>
<p>{
{
answer.user.profile.maxim }}</p>
</div>
</div>
<div class="answer-stats">5,550 I agree with the answer </div>
<div class="answer-txt">
{
% autoescape false %}
{
{
answer.content|safe }}
{
% endautoescape %}
</div>
<div class="answer-time"> Published on {
{
answer.created_at }}</div>
<!-- At the bottom of the menu -->
<div class="qa-footer">
<div><button type="button" class="btn btn-info btn-sm">
<i class="glyphicon glyphicon-thumbs-up"></i> Agree with {
{
answer.love_count }}</button>
<button type="button" class="btn btn-info btn-sm"><i
class="glyphicon glyphicon-thumbs-down"></i></button>
</div>
<div class="txt-menu"><i class="glyphicon glyphicon-comment"></i> 113 comments </div>
<div class="txt-menu"><i class="glyphicon glyphicon-send"></i> Share </div>
<div class="txt-menu"><i class="glyphicon glyphicon-heart"></i> Collection </div>
<div class="txt-menu"><i class="glyphicon glyphicon-flag"></i> report </div>
<div class="txt-menu"></div>
<div class="txt-menu btn-group">
<i class="glyphicon glyphicon-option-horizontal dropdown-toggle" data-toggle="dropdown"
aria-haspopup="true" aria-expanded="false"></i>
<ul class="dropdown-menu">
<li><a href="#"> Not interested in </a></li>
</ul>
</div>
</div>
<!-- // At the bottom of the menu -->
<!-- Comment box -->
<div class="comment-box box-wrap">
<!-- Statistics and menus -->
<div class="comment-stats">
<div class="title">8 comments </div>
<div class="menu"><i class="glyphicon glyphicon-random"></i> Switch to chronological order </div>
</div>
<!-- // Statistics and menus -->
<!-- Comment list -->
<div class="comment-ls">
<div class="comment-item">
<div class="header">
<div class="user-info">
<img class="avater" src="/assets/home/qa/user_head.jpg" alt="">
<strong class="uname"> The user nickname </strong>
</div>
<div class="time">2 Hours before </div>
</div>
<div class="body">
You can't say that , It is their vision that makes them unacceptable . What China has done now is to make their world outlook collapse [ Laugh with tears ][ Laugh with tears ]
</div>
<div class="footer">
<div><i class="glyphicon glyphicon-thumbs-up"></i> 5</div>
<div><i class="glyphicon glyphicon-share-alt"></i> reply </div>
<div><i class="glyphicon glyphicon-thumbs-down"></i> Step on </div>
<div><i class="glyphicon glyphicon-flag"></i> report </div>
</div>
<!-- Input box -->
<form class="form-horizontal comment-publish">
<input type="text" class="form-control" placeholder=" Write down your comments ...">
<button type="button" class="btn btn-default btn-grey"> Release </button>
</form>
<!-- // Input box -->
</div>
<div class="comment-item">
<div class="header">
<div class="user-info">
<img class="avater" src="/assets/home/qa/user_head.jpg" alt="">
<strong class="uname"> The user nickname </strong>
</div>
<div class="time">2 Hours before </div>
</div>
<div class="body">
You can't say that , It is their vision that makes them unacceptable . What China has done now is to make their world outlook collapse [ Laugh with tears ][ Laugh with tears ]
</div>
<div class="footer">
<div><i class="glyphicon glyphicon-thumbs-up"></i> 5</div>
<div><i class="glyphicon glyphicon-share-alt"></i> reply </div>
<div><i class="glyphicon glyphicon-thumbs-down"></i> Step on </div>
<div><i class="glyphicon glyphicon-flag"></i> report </div>
</div>
<!-- Input box -->
<form class="form-horizontal comment-publish hidden">
<input type="text" class="form-control" placeholder=" Write down your comments ...">
<button type="button" class="btn btn-default btn-grey"> Release </button>
</form>
<!-- // Input box -->
</div>
<div class="comment-item">
<div class="header">
<div class="user-info">
<img class="avater" src="/assets/home/qa/user_head.jpg" alt="">
<strong class="uname"> The user nickname </strong>
</div>
<div class="time">2 Hours before </div>
</div>
<div class="body">
You can't say that , It is their vision that makes them unacceptable . What China has done now is to make their world outlook collapse [ Laugh with tears ][ Laugh with tears ]
</div>
<div class="footer">
<div><i class="glyphicon glyphicon-thumbs-up"></i> 5</div>
<div><i class="glyphicon glyphicon-share-alt"></i> reply </div>
<div><i class="glyphicon glyphicon-thumbs-down"></i> Step on </div>
<div><i class="glyphicon glyphicon-flag"></i> report </div>
</div>
<!-- Input box -->
<form class="form-horizontal comment-publish hidden">
<input type="text" class="form-control" placeholder=" Write down your comments ...">
<button type="button" class="btn btn-default btn-grey"> Release </button>
</form>
<!-- // Input box -->
</div>
<div class="comment-item reply">
<div class="header">
<div class="user-info">
<img class="avater" src="/assets/home/qa/user_head.jpg" alt="">
<strong class="uname"> The user nickname </strong>
</div>
<div class="time">2 Hours before </div>
</div>
<div class="body">
You can't say that , It is their vision that makes them unacceptable . What China has done now is to make their world outlook collapse [ Laugh with tears ][ Laugh with tears ]
</div>
<div class="footer">
<div><i class="glyphicon glyphicon-thumbs-up"></i> 5</div>
<div><i class="glyphicon glyphicon-share-alt"></i> reply </div>
<div><i class="glyphicon glyphicon-thumbs-down"></i> Step on </div>
<div><i class="glyphicon glyphicon-flag"></i> report </div>
</div>
<!-- Input box -->
<form class="form-horizontal comment-publish hidden">
<input type="text" class="form-control" placeholder=" Write down your comments ...">
<button type="button" class="btn btn-default btn-grey"> Release </button>
</form>
<!-- // Input box -->
</div>
<div class="comment-item">
<div class="header">
<div class="user-info">
<img class="avater" src="/assets/home/qa/user_head.jpg" alt="">
<strong class="uname"> The user nickname </strong>
</div>
<div class="time">2 Hours before </div>
</div>
<div class="body">
You can't say that , It is their vision that makes them unacceptable . What China has done now is to make their world outlook collapse [ Laugh with tears ][ Laugh with tears ]
</div>
<div class="footer">
<div><i class="glyphicon glyphicon-thumbs-up"></i> 5</div>
<div><i class="glyphicon glyphicon-share-alt"></i> reply </div>
<div><i class="glyphicon glyphicon-thumbs-down"></i> Step on </div>
<div><i class="glyphicon glyphicon-flag"></i> report </div>
</div>
<!-- Input box -->
<form class="form-horizontal comment-publish hidden">
<input type="text" class="form-control" placeholder=" Write down your comments ...">
<button type="button" class="btn btn-default btn-grey"> Release </button>
</form>
<!-- // Input box -->
</div>
<div class="comment-item">
<div class="header">
<div class="user-info">
<img class="avater" src="/assets/home/qa/user_head.jpg" alt="">
<strong class="uname"> The user nickname </strong>
</div>
<div class="time">2 Hours before </div>
</div>
<div class="body">
You can't say that , It is their vision that makes them unacceptable . What China has done now is to make their world outlook collapse [ Laugh with tears ][ Laugh with tears ]
</div>
<div class="footer">
<div><i class="glyphicon glyphicon-thumbs-up"></i> 5</div>
<div><i class="glyphicon glyphicon-share-alt"></i> reply </div>
<div><i class="glyphicon glyphicon-thumbs-down"></i> Step on </div>
<div><i class="glyphicon glyphicon-flag"></i> report </div>
</div>
<!-- Input box -->
<form class="form-horizontal comment-publish hidden">
<input type="text" class="form-control" placeholder=" Write down your comments ...">
<button type="button" class="btn btn-default btn-grey"> Release </button>
</form>
<!-- // Input box -->
</div>
</div>
<!-- // Comment list -->
<!-- Comment -->
<form class="form-horizontal comment-publish">
<input type="text" name="content" class="form-control" placeholder=" Write down your comments ...">
<button type="button" class="btn btn-default btn-grey"> Release </button>
</form>
<!-- // Comment -->
</div>
<!-- // Comment box -->
</div>
{
% else %}
<div class="answer-content box-wrap">
No one answered the question for the time being
</div>
{
% endif %}
<!-- // Answer the content area -->
{
{
self.link_more() }}
</div>
<div class="col-md-3 right-content">
<!-- About author -->
<div class="about-user box-wrap">
<div class="user-info">
<div class="avater">
<img src="/assets/home/qa/user_head.jpg" alt=" The avatars ">
</div>
<div class="desc">
<h4> Shudake </h4>
<p>《 Notes on actual combat of Internet marketers 》 New books are on the market ; official account ： Shudake .</p>
</div>
</div>
<!-- User statistics -->
<div class="qa-stats">
<div>
<span> answer </span>
<strong>309</strong>
</div>
<div>
<span> article </span>
<strong>40</strong>
</div>
<div>
<span> Concern </span>
<strong>85,265</strong>
</div>
</div>
<!-- // User statistics -->
<div class="menu-ls">
<div>
<a href="#" class="btn btn-info btn-sm"><i class="glyphicon glyphicon-plus"></i> Pay attention to him </a>
</div>
<div>
<a href="#" class="btn btn-default btn-sm btn-grey"><i class="glyphicon glyphicon-comment"></i> Send private messages </a>
</div>
</div>
</div>
<!-- // About author -->
<!-- Related issues -->
<div class="rel-ques box-wrap">
<div class="title"> Related issues </div>
<div class="rel-que-ls">
<div>
<a href="#"> After the outbreak , Will you retaliate for consumption ？</a><span>30 answer </span>
</div>
<div>
<a href="#"> Where do you want to go after the epidemic ？ With whom ？</a><span>19 answer </span>
</div>
<div>
<a href="#"> If we can survive this epidemic , What do you want to do most ？</a><span>21 answer </span>
</div>
<div>
<a href="#"> May I ask whether this epidemic situation may have a positive impact ？</a><span>9 answer </span>
</div>
<div>
<a href="#"> What do you want to do if the epidemic is over ？</a><span>3 answer </span>
</div>
</div>
</div>
<!-- // Related issues -->
<!-- Right footer -->
<div class="right-footer">
<a href="#"> User guide </a><span class="dot">·</span>
<a href="#"> User usage protocol </a><span class="dot">·</span>
<a href="#"> User privacy policy </a>
<br />
<a href="#"> Infringement report </a><span class="dot">·</span>
<a href="#"> Online harmful information reporting area </a>
<br />
<a href="#"> Beijing ICP Prove The first 10001000 Number </a>
<br />
<a href="#"> Beijing ICP To prepare The first 10001000 Number </a>
<br />
<a href="#"> Contact us © 2020 Online Q & A </a>
</div>
<!-- // Right footer -->
</div>
</div>
</div>
</div>
<div class="layout-footer">
<a href="#" data-toggle="tooltip" title=" Feedback "><i class="glyphicon glyphicon-briefcase"></i></a>
<a href="#" data-toggle="tooltip" title=" Back to the top "><i class="glyphicon glyphicon-arrow-up"></i></a>
</div>
<!-- Write the answer , Dialog box -->
<div class="modal fade" id="addComment" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
<form class="form-horizontal modal-dialog" role="document"
method="post" action="{
{ url_for('qa.detail', q_id=question.id) }}">
{
{
form.csrf_token }}
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title" id="myModalLabel"> Write the answer </h4>
</div>
<div class="modal-body">
<div class="form-group">
{
{
form.content }}
{
{
ckeditor.load() }}
{
{
ckeditor.config(name='content') }}
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal"> close </button>
<button type="submit" class="btn btn-primary"> Submit </button>
</div>
</div>
</form>
</div>
<!-- // Write the answer , Dialog box -->
{
% endblock %}
{
% block js_inline %}
// Click on , To view more , Put the detailed one p The label shows , Hide yourself
$('.show-desc').click(function () {
$(this).addClass('hidden');
$(this).next().removeClass('hidden')
})
$('.show-all').click(function () {
$(this).addClass('hidden');
$(this).prev().removeClass('hidden')
})
{
% endblock %}
{
% block js_extra %}
<script>
$(function(){
var form = $('.comment-publish');
$('.btn', form).click(function() {
var _form =$(this).parent()
var content = $('input[name=content]', _form)
$.ajax({
url: '{
{ url_for("qa.comments", answer_id=answer.id) }}',
method: 'post',
data: {
content: content.val()
},
complete: function(res){
console.log('res:', res)
if(res.status === 201) {
window.alert(' Comment successful ');
content.val('')
}else if (res.status === 400) {
window.alert(res.responseJSON.message);
} else {
window.alert(' request was aborted , Please try again later ');
}
}
})
})
})
</script>
{
% endblock %}
Comments and replies list loading _
from datetime import datetime
from flask_sqlalchemy import SQLAlchemy
from utils import constants
db = SQLAlchemy()
class User(db.Model):
""" The user model """
__tablename__ = 'accounts_user'
id = db.Column(db.Integer, primary_key=True, autoincrement=True) # Primary key
# user name , For logging in
username = db.Column(db.String(64), unique=True, nullable=False)
# The user nickname
nickname = db.Column(db.String(64))
password = db.Column(db.String(256), nullable=False)
# User's Avatar address
avatar = db.Column(db.String(256))
# Whether it works , Invalid users will not be able to log on to the system
status = db.Column(db.SmallInteger,
default=constants.UserStatus.USER_ACTIVE.value,
comment=' User state ')
# Is it super administrator , Administrators can manage all content
is_super = db.Column(db.SmallInteger,
default=constants.UserRole.COMMON.value)
# Creation time
created_at = db.Column(db.DateTime, default=datetime.now)
# Last modified time
updated_at = db.Column(db.DateTime,
default=datetime.now, onupdate=datetime.now)
# profile = db.relationship('UserProfile')
@property
def is_authenticated(self):
return True
@property
def is_active(self):
""" Only a valid user can log in to the system """
return self.status == constants.UserStatus.USER_ACTIVE.value
@property
def is_anonymous(self):
return False
def get_id(self):
return '{}'.format(self.id)
def __str__(self):
return self.nickname
class UserProfile(db.Model):
""" User details """
__tablename__ = 'accounts_user_profile'
id = db.Column(db.Integer, primary_key=True) # Primary key
# user name , For logging in
username = db.Column(db.String(64), unique=True, nullable=False)
# User's real name
real_name = db.Column(db.String(64))
# The user's motto
maxim = db.Column(db.String(128))
# Gender
sex = db.Column(db.String(16))
# Address
address = db.Column(db.String(256))
# Creation time
created_at = db.Column(db.DateTime, default=datetime.now)
# Last modified time
updated_at = db.Column(db.DateTime,
default=datetime.now, onupdate=datetime.now)
# Associated users
user_id = db.Column(db.Integer, db.ForeignKey('accounts_user.id'))
# Create a one-to-one relationship attribute for users user.profile profile.user
user = db.relationship('User', backref=db.backref('profile', uselist=False))
class UserLoginHistory(db.Model):
__tablename__ = 'accounts_login_history'
id = db.Column(db.Integer, primary_key=True) # Primary key
# user name , For logging in
username = db.Column(db.String(64), nullable=False)
# Account platform
login_type = db.Column(db.String(32))
# IP Address
ip = db.Column(db.String(32))
# user-agent
ua = db.Column(db.String(128))
# Creation time
created_at = db.Column(db.DateTime, default=datetime.now)
# Associated users
user_id = db.Column(db.Integer, db.ForeignKey('accounts_user.id'))
# Set up one to many attributes with users ,user.history_list
user = db.relationship('User', backref=db.backref('history_list', lazy='dynamic'))
class Question(db.Model):
""" problem """
__tablename__ = 'qa_question'
id = db.Column(db.Integer, primary_key=True) # Primary key
# Question title
title = db.Column(db.String(128), nullable=False)
# Problem description
desc = db.Column(db.String(256))
# Question picture
img = db.Column(db.String(256))
# Details of the problem
content = db.Column(db.Text, nullable=False)
# Number of visitors
view_count = db.Column(db.Integer, default=0)
# Logical deletion
is_valid = db.Column(db.Boolean, default=True)
# Sort
reorder = db.Column(db.Integer, default=0)
# Creation time
created_at = db.Column(db.DateTime, default=datetime.now)
# Last modified time
updated_at = db.Column(db.DateTime, default=datetime.now, onupdate=datetime.now)
# Associated users
user_id = db.Column(db.Integer, db.ForeignKey('accounts_user.id'))
# Set up one to many attributes with users ,user.question_list
user = db.relationship('User', backref=db.backref('question_list', lazy='dynamic'))
@property
def get_img_url(self):
return 'medias/' + self.img if self.img else ''
@property
def comment_count(self):
""" Number of comments """
return self.question_comment_list.filter_by(is_valid=True).count()
@property
def follow_count(self):
""" Focus on quantity """
return self.question_follow_list.filter_by(is_valid=True).count()
@property
def answer_count(self):
return self.answer_list.filter_by(is_valid=True).count()
@property
def tags(self):
""" The label of the article """
return self.tag_list.filter_by(is_valid=True)
@property
def love_count(self):
""" Number of likes """
return self.question_love_list.count()
class QuestionTags(db.Model):
""" Label under question """
__tablename__ = 'qa_question_tags'
id = db.Column(db.Integer, primary_key=True) # Primary key
# Tag name
tag_name = db.Column(db.String(16), nullable=False)
# Logical deletion
is_valid = db.Column(db.Boolean, default=True)
# Creation time
created_at = db.Column(db.DateTime, default=datetime.now)
# Related questions
q_id = db.Column(db.Integer, db.ForeignKey('qa_question.id'))
# Establish one to many attributes of the problem
question = db.relationship('Question', backref=db.backref('tag_list', lazy='dynamic'))
class Answer(db.Model):
""" The answer to the question """
__tablename__ = 'qa_answer'
id = db.Column(db.Integer, primary_key=True) # Primary key
# Details of the answers
content = db.Column(db.Text, nullable=False)
# Logical deletion
is_valid = db.Column(db.Boolean, default=True)
# Creation time
created_at = db.Column(db.DateTime, default=datetime.now)
# Last modified time
updated_at = db.Column(db.DateTime, default=datetime.now, onupdate=datetime.now)
# Associated users
user_id = db.Column(db.Integer, db.ForeignKey('accounts_user.id'))
# Related questions
q_id = db.Column(db.Integer, db.ForeignKey('qa_question.id'))
# Set up one to many attributes with users
user = db.relationship('User', backref=db.backref('answer_list', lazy='dynamic'))
# Establish one to many attributes of the problem
question = db.relationship('Question', backref=db.backref('answer_list', lazy='dynamic'))
@property
def love_count(self):
""" Number of likes """
return self.answer_love_list.count()
class AnswerComment(db.Model):
""" Comments answered """
__tablename__ = 'qa_answer_comment'
id = db.Column(db.Integer, primary_key=True) # Primary key
# Comment content
content = db.Column(db.String(512), nullable=False)
# Number of people in favor
love_count = db.Column(db.Integer, default=0)
# Whether the comments are public
is_public = db.Column(db.Boolean, default=True)
# Logical deletion
is_valid = db.Column(db.Boolean, default=True)
# Creation time
created_at = db.Column(db.DateTime, default=datetime.now)
# Last modified time
updated_at = db.Column(db.DateTime, default=datetime.now, onupdate=datetime.now)
# reply ID
reply_id = db.Column(db.Integer, db.ForeignKey('qa_answer_comment.id'), nullable=True)
# Associated users
user_id = db.Column(db.Integer, db.ForeignKey('accounts_user.id'))
# Related answers
answer_id = db.Column(db.Integer, db.ForeignKey('qa_answer.id'))
# Related questions
q_id = db.Column(db.Integer, db.ForeignKey('qa_question.id'))
# Set up one to many attributes with users
user = db.relationship('User', backref=db.backref('answer_comment_list', lazy='dynamic'))
# Build one to many attributes with answers
answer = db.relationship('Answer', backref=db.backref('answer_comment_list', lazy='dynamic'))
# Establish one to many attributes of the problem
question = db.relationship('Question', backref=db.backref('question_comment_list', lazy='dynamic'))
class AnswerLove(db.Model):
""" Answer like """
__tablename__ = 'qa_answer_love'
id = db.Column(db.Integer, primary_key=True) # Primary key
created_at = db.Column(db.DateTime, default=datetime.now)
# Associated users
user_id = db.Column(db.Integer, db.ForeignKey('accounts_user.id'))
# Related answers
answer_id = db.Column(db.Integer, db.ForeignKey('qa_answer.id'))
# Related questions
q_id = db.Column(db.Integer, db.ForeignKey('qa_question.id'))
# Set up one to many attributes with users
user = db.relationship('User', backref=db.backref('answer_love_list', lazy='dynamic'))
# Build one to many attributes with answers
answer = db.relationship('Answer', backref=db.backref('answer_love_list', lazy='dynamic'))
# Establish one to many attributes of the problem
question = db.relationship('Question', backref=db.backref('question_love_list', lazy='dynamic'))
class AnswerCollect(db.Model):
""" Favorite answers """
__tablename__ = 'qa_answer_collect'
id = db.Column(db.Integer, primary_key=True) # Primary key
# Creation time
created_at = db.Column(db.DateTime, default=datetime.now)
# Logical deletion
is_valid = db.Column(db.Boolean, default=True)
# Associated users
user_id = db.Column(db.Integer, db.ForeignKey('accounts_user.id'))
# Related questions
q_id = db.Column(db.Integer, db.ForeignKey('qa_question.id'))
# Related answers
answer_id = db.Column(db.Integer, db.ForeignKey('qa_answer.id'))
# Set up one to many attributes with users
user = db.relationship('User', backref=db.backref('answer_collect_list', lazy='dynamic'))
# Establish one to many attributes of the problem
question = db.relationship('Question', backref=db.backref('question_collect_list', lazy='dynamic'))
# Build one to many attributes with answers
answer = db.relationship('Answer', backref=db.backref('answer_collect_list', lazy='dynamic'))
class QuestionFollow(db.Model):
""" Concerns """
__tablename__ = 'qa_question_follow'
id = db.Column(db.Integer, primary_key=True) # Primary key
created_at = db.Column(db.DateTime)
is_valid = db.Column(db.Boolean, default=True, comment=' Logical deletion ')
# Associated users
user_id = db.Column(db.Integer, db.ForeignKey('accounts_user.id'))
# Related questions
q_id = db.Column(db.Integer, db.ForeignKey('qa_question.id'))
# Set up one to many attributes with users
user = db.relationship('User', backref=db.backref('question_follow_list', lazy='dynamic'))
# Establish one to many attributes of the problem
question = db.relationship('Question', backref=db.backref('question_follow_list', lazy='dynamic'))
def number_split(num):
"""
Number formatting
12345678 => 12,345,678
:param num: Numbers that need to be formatted
:return: Formatted string
"""
return '{:,}'.format(int(num))
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