class Topic(Model):
"""
主题/专题
"""
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, index=True, comment='文章作者id')
topic_name = db.Column(db.String(54), comment='专题名')
topic_desc = db.Column(db.String(128), comment='专题描述')
create_time = db.Column(db.DateTime,
default=dt.datetime.now(),
comment='创建时间')
class Article(Model):
"""
文章
"""
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, index=True, comment='文章作者id')
title = db.Column(db.String(128), comment='文章标题')
content = db.Column(db.String(2048), comment='文章内容')
create_time = db.Column(db.DateTime,
default=dt.datetime.now(),
comment='创建时间')
topic_id = db.Column(db.Integer, index=True, comment='主题/专题id')
class Question(Model):
"""
问题
"""
id = db.Column(db.BigInteger, primary_key=True)
user_id = db.Column(db.Integer, index=True, comment='提问用户id')
title = db.Column(db.String(255), unique=True, comment='标题')
status = db.Column(Enum(QuestionStatus), default='o', comment='问题状态')
content = db.Column(db.String(1024), nullable=True, comment='内容/详细描述')
create_time = db.Column(db.DateTime,
default=dt.datetime.now(),
comment='创建时间')
update_time = db.Column(db.DateTime,
onupdate=dt.datetime.now(),
comment='更新时间')
class Comment(Model):
"""
回答评论
"""
id = db.Column(db.BigInteger, primary_key=True)
user_id = db.Column(db.Integer, comment='评论用户id')
parent_id = db.Column(db.Integer, comment='父评论id')
content = db.Column(db.String(1024), nullable=False, comment='评论内容')
create_time = db.Column(db.DateTime,
default=dt.datetime.now(),
comment='评论时间')
class Answer(Model):
"""
回答
"""
id = db.Column(db.BigInteger, primary_key=True)
user_id = db.Column(db.Integer, index=True, comment='回答用户id')
question_id = db.Column(db.BigInteger, index=True, comment='问题id')
content = db.Column(db.String(2048), nullable=False, comment='回答内容')
create_time = db.Column(db.DateTime,
default=dt.datetime.now(),
comment='创建时间/回答时间')
update_time = db.Column(db.DateTime,
onupdate=dt.datetime.now(),
comment='更新回答时间')
class User(Model):
"""
用户模块
"""
_hide_columns = {'password'}
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(128), unique=True, nullable=False, comment='用户名')
email = db.Column(db.String(128), unique=True, nullable=False, comment='邮箱')
password = db.Column(db.String(128), nullable=False, comment='是否激活')
confirmed = db.Column(db.Boolean, nullable=False, default=False, comment='是否激活')
confirm_time = db.Column(db.DateTime, comment='验证/激活时间')
create_time = db.Column(db.DateTime, default=dt.datetime.now(), comment='创建时间')
update_time = db.Column(db.DateTime, onupdate=dt.datetime.now(), comment='更新时间')
def create(self, commit=True):
self.set_password(self.password)
super(User, self).create()
def set_password(self, password):
self.password = generate_password_hash(password)
def check_password(self, password):
"""验证密码与保存的hash值是否匹配"""
return check_password_hash(self.password, password)
def generate_confirm_jwt(self):
"""生成确认账户的Jwt"""
now = dt.datetime.utcnow()
payload = dict(
user_id=self.id,
exp=now + dt.timedelta(seconds=60 * 60),
iat=now,
aud='quiz',
)
token = jwt.encode(payload, current_app.config['SECRET_KEY'], 'HS256').decode(
'utf-8'
)
return token
def verify_confirm_jwt(self, token):
"""验证确认账户的JWT"""
try:
payload = jwt.decode(
token,
current_app.config['SECRET_KEY'],
algorithms=['HS256'],
audience='quiz',
)
except jwt.PyJWTError:
return False
if payload.get('user_id') != self.id:
return False
self.confirmed = True
self.confirm_time = dt.datetime.now()
self.update()
return True
def get_jwt(self):
"""用户登录后, 发放有效的JWT作为JWT过期时间内的登录验证"""
now = dt.datetime.utcnow()
payload = dict(
user_id=self.id,
confirmed=self.confirmed,
username=self.username,
exp=now + dt.timedelta(seconds=3 * 60 * 60),
iat=now,
aud='quiz',
)
token = jwt.encode(payload, current_app.config['SECRET_KEY'], 'HS256').decode(
'utf-8'
)
return token
@staticmethod
def verify_jwt(token):
"""验证token的有效性"""
try:
payload = jwt.decode(
token,
current_app.config['SECRET_KEY'],
algorithms=['HS256'],
audience='quiz',
)
except jwt.PyJWTError:
return None
return User.query.get(payload.get('user_id'))