class Photo(db.Model):
id = db.Column(db.Integer, primary_key=True)
# 描述
description = db.Column(db.String(500))
# 文件名
filename = db.Column(db.String(64))
# 小图
filename_s = db.Column(db.String(64))
# 中图
filename_m = db.Column(db.String(64))
# 时间
timestamp = db.Column(db.DateTime, default=datetime.utcnow, index=True)
# 是否可评论
can_comment = db.Column(db.Boolean, default=True)
# 被举报次数
flag = db.Column(db.Integer, default=0)
# 用户
author_id = db.Column(db.Integer, db.ForeignKey("user.id"))
author = db.relationship("User", back_populates="photos")
# 评论
comments = db.relationship("Comment",
back_populates="photo",
cascade="all")
# 收藏
collectors = db.relationship("Collect",
back_populates="collected",
cascade="all")
tags = db.relationship("Tag", secondary=tagging, back_populates="photos")
class Photo(db.Model):
id = db.Column(db.Integer, primary_key=True)
description = db.Column(db.String(500))
filename = db.Column(db.String(64))
filename_s = db.Column(db.String(64))
filename_m = db.Column(db.String(64))
timestamp = db.Column(db.DateTime, default=datetime.utcnow)
author_id = db.Column(db.Integer, db.ForeignKey('user.id'))
author = db.relationship('User', back_populates='photos')
can_comment = db.Column(db.Boolean, default=True)
flag = db.Column(db.Integer, default=0)
comments = db.relationship('Comment',
back_populates='photo',
cascade='all')
tags = db.relationship('Tag', secondary=tagging, back_populates='photos')
collectors = db.relationship('Collect',
back_populates='collected',
cascade='all')
class Photo(db.Model):
id = db.Column(db.Integer, primary_key=True)
description = db.Column(db.String(500))
filename = db.Column(db.String(64))
filename_s = db.Column(db.String(64))
filename_m = db.Column(db.String(64))
timestamp = db.Column(db.DateTime, default=datetime.utcnow, index=True)
can_comment = db.Column(db.Boolean, default=True)
flag = db.Column(db.Integer, default=0)
author_id = db.Column(db.Integer, db.ForeignKey('user.id'))
rates = db.relationship(
'Rate',
foreign_keys=[Rate.rater_photo_id],
back_populates='rater_photo',
cascade='all',
lazy='dynamic') # get the rate data that are given by this photo user
author = db.relationship('User', back_populates='photos')
comments = db.relationship('Comment',
back_populates='photo',
cascade='all')
collectors = db.relationship('Collect',
back_populates='collected',
cascade='all')
tags = db.relationship('Tag', secondary=tagging, back_populates='photos')
invites = db.relationship('Invite',
foreign_keys=[Invite.photo_id],
back_populates='photo',
cascade='all',
lazy='dynamic')
class Owenum(db.Model):
id = db.Column(db.Integer, primary_key=True)
sku = db.Column(db.String(60))
yao = db.Column(db.Integer)
shiji = db.Column(db.Integer)
owe = db.Column(db.Integer)
receive_date = db.Column(db.String(60))
qd = db.Column(db.String(10))
class Jxc_rj_201908(db.Model):
id = db.Column(db.Integer, primary_key=True)
ck_id = db.Column(db.Integer)
sku = db.Column(db.String(30))
sku_id = db.Column(db.Integer)
date = db.Column(db.String(30))
sl_qm = db.Column(db.Integer)
sl0_pf = db.Column(db.Integer)
sl0_ls = db.Column(db.Integer)
sl_qc = db.Column(db.Integer)
class UserProfile(DeclarePK, BaseModel):
# 用户个人信息表
__tablename__ = "alb_user_profile"
user_id = declare_foreign_key("alb_user")
nickname = db.Column(db.String(16), default="", index=True)
age = db.Column(db.Integer, default=0, index=True)
head_url = db.Column(db.String(120), default="")
gender = db.Column(db.Integer, default=0) # 1 男 2 女 0 未设置
# 真实信息
name = db.Column(db.String(16), default="")
address = db.Column(db.String(60), default="")
class Ab_jqx_dxl(db.Model):
id = db.Column(db.Integer, primary_key=True)
sku = db.Column(db.String(50))
sku_id = db.Column(db.Integer)
qc = db.Column(db.Integer)
hjyear = db.Column(db.String(50))
hjmn = db.Column(db.String(50))
ck_id = db.Column(db.String(50))
qm = db.Column(db.Integer)
xs_s = db.Column(db.Integer)
last = db.Column(db.Integer)
cbj = db.Column(db.Float)
weidu = db.Column(db.Integer)
dxl = db.Column(db.Float)
class Photo(db.Model):
id = db.Column(db.Integer, primary_key=True)
description = db.Column(db.String(500), comment='图片描述')
filename = db.Column(db.String(64), comment='文件名')
filename_s = db.Column(db.String(64), comment="小尺寸图片文件名")
filename_m = db.Column(db.String(64), comment="大尺寸图片文件名")
timestamp = db.Column(db.DateTime, default=datetime.utcnow, comment='上传时间')
author_id = db.Column(db.Integer, db.ForeignKey('user.id'))
author = db.relationship('User', back_populates='photos')
tags = db.relationship('Tag', secondary=tagging, back_populates='photos')
collectors = db.relationship('Collect',
back_populates='collected',
cascade='all')
class Photo(db.Model):
id = db.Column(db.Integer, primary_key=True)
description = db.Column(db.String(500))
filename = db.Column(db.String(64))
filename_s = db.Column(db.String(64))
filename_m = db.Column(db.String(64))
timestamp = db.Column(db.DateTime, default=datetime.utcnow, index=True)
can_comment = db.Column(db.Boolean, default=True)
flag = db.Column(db.Integer, default=0)
author_id = db.Column(db.Integer, db.ForeignKey("user.id"))
author = db.relationship("User", back_populates="photos")
comments = db.relationship('Comment', back_populates="photo", cascade='all')
collectors = db.relationship("Collect", back_populates="collected", cascade='all')
tags = db.relationship("Tag", secondary=tagging, back_populates="photos")
class Role(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(30), unique=True)
users = db.relationship('User', back_populates='role')
permissions = db.relationship('Permission', secondary=role_permissions, back_populates='roles')
@staticmethod
def init_role():
roles_permissions_map = {
'Locked': ['FOLLOW', 'COLLECT'],
'User': ['FOLLOW', 'COLLECT', 'COMMENT', 'UPLOAD'],
'Moderator': ['FOLLOW', 'COLLECT', 'COMMENT', 'UPLOAD', 'MODERATE'],
'Administrator': ['FOLLOW', 'COLLECT', 'COMMENT', 'UPLOAD', 'MODERATE', 'ADMINISTER']
}
for role_name, permissions in roles_permissions_map.items():
role = Role.query.filter_by(name=role_name).first()
if not role:
role = Role(name=role_name)
db.session.add(role)
role.permissions = []
for pname in permissions:
permission = Permission.query.filter_by(name=pname).first()
if not permission:
permission = Permission(name=pname)
db.session.add(permission)
role.permissions.append(permission)
db.session.commit()
class Role(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(30), unique=True, comment="角色名称")
users = db.relationship('User', back_populates='role')
permissions = db.relationship('Permission',
secondary=roles_permissions,
back_populates='roles')
@staticmethod
def init_role():
roles_permissions_map = {
'Locked': ['FOLLOW', 'COLLECT'], # 被锁定用户
'User': ['FOLLOW', 'COLLECT', 'COMMENT', 'UPLOAD'], # 普通用户
'Moderator':
['FOLLOW', 'COLLECT', 'COMMENT', 'UPLOAD', 'MODERATE'], # 协管员
'Administrator': [
'FOLLOW', 'COLLECT', 'COMMENT', 'UPLOAD', 'MODERATE',
'ADMINISTER'
] # 管理员
}
for role_name in roles_permissions_map:
role = Role.query.filter_by(name=role_name).first()
if role is None:
role = Role(name=role_name)
db.session.add(role)
role.permissions = []
for permission_name in roles_permissions_map[role_name]:
permission = Permission.query.filter_by(
name=permission_name).first()
if permission is None:
permission = Permission(name=permission_name)
db.session.add(permission)
role.permissions.append(permission)
db.session.commit()
class Permission(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(30), unique=True)
roles = db.relationship('Role',
secondary=roles_permissions,
back_populates='permissions')
class Role(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(30), unique=True)
users = db.relationship("User", back_populates="role")
permissions = db.relationship("Permission", secondary=roles_permissions, back_populates="roles")
@staticmethod
def init_role():
roles_permissions_map = {
"Locked": ["FOLLOW", "COLLECT"],
"User": ["FOLLOW", "COLLECT", "COMMENT", "UPLOAD"],
"Moderator": ["FOLLOW", "COLLECT", "COMMENT", "UPLOAD", "MODERATE"],
"Administrator": ["FOLLOW", "COLLECT", "COMMENT", "UPLOAD", "MODERATE", "ADMINISTER"]
}
for role_name in roles_permissions_map:
role = Role.query.filter_by(name=role_name).first()
if role is None:
role = Role(name=role_name)
db.session.add(role)
role.permissions = []
for permission_name in roles_permissions_map[role_name]:
permission = Permission.query.filter_by(name=permission_name).first()
if permission is None:
permission = Permission(name=permission_name)
db.session.add(permission)
role.permissions.append(permission)
db.session.commit()
class WithDraw(db.Model):
id = db.Column(db.Integer, primary_key=True)
status = db.Column(db.Boolean, default=False)
amount = db.Column(db.Float(), default=0.0)
bank_code = db.Column(db.String(255))
branch_code = db.Column(db.String(255))
account_number = db.Column(db.String(255))
additional_bank_info = db.Column(db.Text(1000))
created_at = db.Column(db.DateTime, default=datetime.now)
updated_at = db.Column(db.DateTime,
default=datetime.now,
onupdate=datetime.now)
doctor_id = db.Column(db.Integer, db.ForeignKey('doctor.id'))
doctor = db.relationship('Doctor',
foreign_keys=[doctor_id],
back_populates='withdraws')
class User(DeclarePK, PasswordUserMixin, BaseModel):
# 用户登录信息，账号 密码等
# 设置数据库的表名
__tablename__ = "alb_user"
# 用户账号，系统自定生成，运行用户修改一次，例如微信号
user_name = db.Column(db.String(30),
unique=True,
nullable=False,
index=True)
reset_user_name = db.Column(db.Boolean, default=False) # 是否已经自定义过用户账号
email = db.Column(db.String(30), index=True, default="")
mobile = db.Column(db.String(11), default="", index=True)
active = db.Column(db.Integer,
default=constant.USER_REGISTERED,
unique=False)
last_login = db.Column(db.DateTime, default=dt.now, index=True)
class Permission(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(30), unique=True)
roles = db.relationship('Role',
secondary=roles_permissions,
back_populates='permissions')
def __repr__(self):
return '<Permission %r>' % self.name
class Permission(db.Model):
"""
权限表，给用户设置权限
"""
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(30), unique=True)
roles = db.relationship("Role",
secondary=roles_permissions,
back_populates="permissions")
class Tag(db.Model):
"""
图片标签
"""
id = db.Column(db.Integer, primary_key=True)
# 标签名称
name = db.Column(db.String(64), index=True, unique=True)
photos = db.relationship("Photo", secondary=tagging, back_populates="tags")
class Role(db.Model):
"""
角色表，即可拥有的权限
"""
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(30), unique=True)
# 关联到用户
users = db.relationship("User", back_populates="role")
# 权限
permissions = db.relationship("Permission",
secondary=roles_permissions,
back_populates="roles")
@staticmethod
def init_role():
"""
初始化角色和权限信息
"""
roles_permissions_map = {
# 被禁用户
"Locked": ["FOLLOW", "COLLECT"],
# 普通用户
"User": ["FOLLOW", "COLLECT", "COMMENT", "UPLOAD"],
# 管理资源权限
"Moderator":
["FOLLOW", "COLLECT", "COMMENT", "UPLOAD", "MODERATE"],
# 管理员
"Administrator": [
"FOLLOW", # 关注用户
"COLLECT", # 收藏图片
"COMMENT", # 评论
"UPLOAD", # 上传
"MODERATE", # 修改
"ADMINISTER", # 管理
],
}
# 遍历
for role_name in roles_permissions_map:
# 取出Role对象，如果没有则创建
role = Role.query.filter_by(name=role_name).first()
if role is None:
role = Role(name=role_name)
db.session.add(role)
role.permissions = []
# 遍历每一种角色拥有的权限
for permission_name in roles_permissions_map[role_name]:
# 如果该角色在数据表中不存在，则创建
permission = Permission.query.filter_by(
name=permission_name).first()
if permission is None:
permission = Permission(name=permission_name)
db.session.add(permission)
# 追加到Role对象下
role.permissions.append(permission)
db.session.commit()
class Post(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(60))
body = db.Column(db.Text)
timestamp = db.Column(db.DateTime, default=datetime.utcnow, index=True)
can_comment = db.Column(db.Boolean, default=True)
category_id = db.Column(db.Integer, db.ForeignKey('category.id'))
category = db.relationship('Category', back_populates='posts')
class Transaction(db.Model):
id = db.Column(db.Integer, primary_key=True)
patient_name = db.Column(db.String(250))
doctor_name = db.Column(db.String(250))
token_id = db.Column(db.String(250))
acct_id = db.Column(db.String(250))
amount = db.Column(db.String(250))
currency = db.Column(db.String(250))
balance_transaction = db.Column(db.String(250))
description = db.Column(db.String(250))
created_at = db.Column(db.DateTime, default=datetime.now)
updated_at = db.Column(db.DateTime,
default=datetime.now,
onupdate=datetime.now)
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(20), unique=True, index=True)
email = db.Column(db.String(254), unique=True, index=True)
password_hash = db.Column(db.String(128))
name = db.Column(db.String(30))
website = db.Column(db.String(255))
bio = db.Column(db.String(120))
location = db.Column(db.String(50))
member_since = db.Column(db.Datetime, default=datetime.utcnow)
#用户状态
confirmed = db.Column(db.Boolean, default=False)
class Order_info(db.Model):
order_id = db.Column(db.Integer, primary_key=True)
tid = db.Column(db.String(60), index=True, nullable=False)
delivery_province = db.Column(db.String(60))
delivery_city = db.Column(db.String(60))
delivery_district = db.Column(db.String(60))
receiver_tel = db.Column(db.String(20))
body = db.Column(db.Text)
delivery_address = db.Column(db.String(60))
class Category(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(30), unique=True)
posts = db.relationship('Post', back_populates='category')
# Deleting a category does not delete the article under that category.
# The articles under this category will be moved to the default category.
def delete(self):
default_category = Category.query.get(1)
posts = self.posts[:]
for post in posts:
post.category = default_category
db.session.delete(self)
db.session.commit()
class Doctor(db.Model):
cv = db.Column(db.String(150)) # the hospital name that doctor works.
address = db.Column(db.String(200)) # the address of hospital.
speciality = db.Column(db.String(150))
latitude = db.Column(db.String(20), default='35.392426')
longitude = db.Column(db.String(20), default='139.476048')
status = db.Column(
db.String(20), default='BAD'
) # represent status of the latitude and longitude, if it is flase, its values are not exact.
acct_id = db.Column(db.String(250))
balance = db.Column(db.Float(), default=0.0)
withdraws = db.relationship('WithDraw',
back_populates='doctor',
cascade='all')
id = db.Column(db.Integer, db.ForeignKey('user.id'), primary_key=True)
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(20), unique=True, index=True)
email = db.Column(db.String(254), unique=True, index=True)
password_hash = db.Column(db.String(128))
name = db.Column(db.String(30))
website = db.Column(db.String(255))
bio = db.Column(db.String(120))
location = db.Column(db.String(50))
member_since = db.Column(db.DateTime, default=datetime.utcnow)
confirmed = db.Column(db.Boolean, default=False)
def set_password(self, password):
self.password_hash = generate_password_hash(password)
def validate_password(self, password):
return check_password_hash(self.password_hash, password)
class PasswordUserMixin(UserMixin):
password_hash = db.Column(db.String(128), nullable=True)
def set_hash_password(self, password, commit=True):
"""
产生哈希密码
:param password:
:param commit:
:return:
"""
# 密码
self.password_hash = bcrypt.generate_password_hash(password)
if commit:
self.save()
def check_password(self, value):
"""
校验密码
:param value:
:return:
"""
return bcrypt.check_password_hash(self.password_hash, value)
def generate_auth_token(self, expire=60 * 60 * 24 * 12):
"""
产生认证token
:param expire: token过期时间
:return:
"""
s = Serializer(current_app.config["SECRET_KEY"], expires_in=expire)
return s.dumps({"id": self.id}).decode("ascii")
@property
def password(self):
return "无权限"
@password.setter
def password(self, password):
self.set_hash_password(password)
class Tag(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(30), index=True, comment='标签名')
photos = db.relationship('Photo', secondary=tagging, back_populates='tags')
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
# 资料
username = db.Column(db.String(20), unique=True, index=True, comment="用户名")
email = db.Column(db.String(254), unique=True, index=True, comment="邮箱")
password_hash = db.Column(db.String(128), comment="密码")
name = db.Column(db.String(30), comment="真实姓名")
website = db.Column(db.String(255))
bio = db.Column(db.String(120))
location = db.Column(db.String(50), comment="城市")
member_since = db.Column(db.DateTime,
default=datetime.utcnow,
comment="用户加入时间")
# 用户状态
confirmed = db.Column(db.Boolean, default=False)
role_id = db.Column(db.Integer, db.ForeignKey('role.id'))
role = db.relationship(
'Role', back_populates='users') # back_populates是用来取代backref
photos = db.relationship('Photo', back_populates='author',
cascade='all') # 级联关系设为all,当用户被删除时对应的图片记录也被删除
avatar_s = db.Column(db.String(64), comment="小图")
avatar_m = db.Column(db.String(64), comment="中图")
avatar_l = db.Column(db.String(64), comment="大图")
collections = db.relationship('Collect',
back_populates='collector',
cascade='all')
following = db.relationship('Follow',
foreign_keys=[Follow.follower_id],
back_populates='follower',
lazy='dynamic',
cascade='all')
followers = db.relationship('Follow',
foreign_keys=[Follow.followed_id],
back_populates='followed',
lazy='dynamic',
cascade='all')
notifications = db.relationship('Notification',
back_populates='receiver',
cascade='all')
avatar_raw = db.Column(db.String(64), comment='用户上传头像文件原图文件名')
receive_comment_notification = db.Column(db.Boolean, default=True)
receive_follow_notification = db.Column(db.Boolean, default=True)
receive_collect_notification = db.Column(db.Boolean, default=True)
show_collections = db.Column(db.Boolean, default=True, comment="收藏仅自己可见")
locked = db.Column(db.Boolean, default=False, comment="是否被锁定")
active = db.Column(db.Boolean, default=True, comment="封禁和解禁")
def __init__(self, **kwargs):
super(User, self).__init__(**kwargs)
self.set_role()
self.generate_avatar()
self.follow(self)
def set_role(self):
if self.role is None:
if self.email == current_app.config['ALBUMY_ADMIN_EMAIL']:
self.role = Role.query.filter_by(name='Administrator').first()
else:
self.role = Role.query.filter_by(name='User').first()
db.session.commit()
def set_password(self, password):
self.password_hash = generate_password_hash(password)
@property
def is_admin(self):
return self.role.name == 'Administrator'
def can(self, permission_name):
permission = Permission.query.filter_by(name=permission_name).first()
return permission is not None and self.role is None and permission in self.role.permissions
def generate_avatar(self):
avatar = Identicon()
filenames = avatar.generate(text=self.username)
self.avatar_s = filenames[0]
self.avatar_m = filenames[1]
self.avatar_l = filenames[2]
db.session.commit()
def collect(self, photo):
"""
收藏图片
:param photo:
:return:
"""
if not self.is_collecting(photo):
collect = Collect(collector=self, collected=photo)
db.session.add(collect)
db.session.commit()
def uncollect(self, photo):
"""
取消收藏图片
:param photo:
:return:
"""
collect = self.collected.filter_by(collected_id=photo.id).first()
if collect:
db.session.delete(collect)
db.session.commit()
def is_collecting(self, photo):
return self.collected.filter_by(
collected_id=photo.id).first() is not None
def follow(self, user):
if not self.is_following(user):
follow = Follow(follower=self, followed=user)
db.session.add(follow)
db.session.commit()
def unfollow(self, user):
follow = self.following.filter_by(followed_id=user.id).first()
if follow:
db.session.delete(follow)
db.session.commit()
def is_following(self, user):
if user.id is None:
return False
return self.following.filter_by(
followed_id=user.id).first() is not None
def is_followed_by(self, user):
return self.followers.filter_by(
follower_id=user.id).first() is not None
def follow_self_all(self):
for user in User.query.all():
user.follow(user)
def lock(self):
self.locked = True
self.role = Role.query.filter_by(name='Locked').first()
db.session.commit()
def unlock(self):
self.locked = False
self.role = Role.query.filter_by(name='User').first()
db.session.commit()
@property
def is_active(self):
return self.active
def block(self):
self.active = False
db.session.commit()
def unblock(self):
self.active = True
db.session.commit()
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(20), unique=True, index=True)
email = db.Column(db.String(254), unique=True, index=True)
password_hash = db.Column(db.String(128))
name = db.Column(db.String(30))
website = db.Column(db.String(255))
bio = db.Column(db.String(120))
location = db.Column(db.String(50))
member_since = db.Column(db.DateTime, default=datetime.utcnow)
avatar_s = db.Column(db.String(64))
avatar_m = db.Column(db.String(64))
avatar_l = db.Column(db.String(64))
avatar_raw = db.Column(db.String(64))
confirmed = db.Column(db.Boolean, default=False) #认证过的用户
locked = db.Column(db.Boolean, default=False) #被限制的用户
active = db.Column(db.Boolean, default=True) #激活的用户
public_collections = db.Column(db.Boolean, default=True)
receive_comment_notification = db.Column(db.Boolean, default=True)
receive_follow_notification = db.Column(db.Boolean, default=True)
receive_collect_notification = db.Column(db.Boolean, default=True)
role_id = db.Column(db.Integer, db.ForeignKey('role.id'))
role = db.relationship('Role', back_populates='users')
photos = db.relationship('Photo', back_populates='author', cascade='all')
comments = db.relationship('Comment',
back_populates='author',
cascade='all')
notifications = db.relationship('Notification',
back_populates='receiver',
cascade='all')
collections = db.relationship('Collect',
back_populates='collector',
cascade='all')
following = db.relationship('Follow',
foreign_keys=[Follow.follower_id],
back_populates='follower',
lazy='dynamic',
cascade='all')
followers = db.relationship('Follow',
foreign_keys=[Follow.followed_id],
back_populates='followed',
lazy='dynamic',
cascade='all')
def __init__(self, **kwargs):
super(User, self).__init__(**kwargs)
self.generate_avatar()
self.follow(self) # follow self
self.set_role()
def set_password(self, password):
self.password_hash = generate_password_hash(password)
def set_role(self):
if self.role is None:
if self.email == current_app.config['ALBUMY_ADMIN_EMAIL']:
self.role = Role.query.filter_by(name='Administrator').first()
else:
self.role = Role.query.filter_by(name='User').first()
db.session.commit()
def validate_password(self, password):
return check_password_hash(self.password_hash, password)
def follow(self, user):
if not self.is_following(user):
follow = Follow(follower=self, followed=user)
db.session.add(follow)
db.session.commit()
def unfollow(self, user):
follow = self.following.filter_by(followed_id=user.id).first()
if follow:
db.session.delete(follow)
db.session.commit()
def is_following(self, user):
if user.id is None: # when follow self, user.id will be None
return False
return self.following.filter_by(
followed_id=user.id).first() is not None
def is_followed_by(self, user):
return self.followers.filter_by(
follower_id=user.id).first() is not None
# @property装饰器来创建只读属性，@property装饰器会将方法转换为相同名称的只读属性,可以与所定义的属性配合使用，这样可以防止属性被修改。
# 调用的时候使用.followed_photos，后面不能加()
@property
def followed_photos(self):
return Photo.query.join(Follow,
Follow.followed_id == Photo.author_id).filter(
Follow.follower_id == self.id)
def collect(self, photo):
if not self.is_collecting(photo):
collect = Collect(collector=self, collected=photo)
db.session.add(collect)
db.session.commit()
def uncollect(self, photo):
collect = Collect.query.with_parent(self).filter_by(
collected_id=photo.id).first()
if collect:
db.session.delete(collect)
db.session.commit()
def is_collecting(self, photo):
return Collect.query.with_parent(self).filter_by(
collected_id=photo.id).first() is not None
def lock(self):
self.locked = True
self.role = Role.query.filter_by(name='Locked').first()
db.session.commit()
def unlock(self):
self.locked = False
self.role = Role.query.filter_by(name='User').first()
db.session.commit()
def block(self):
self.active = False
db.session.commit()
def unblock(self):
self.active = True
db.session.commit()
def generate_avatar(self):
avatar = Identicon()
filenames = avatar.generate(text=self.username)
self.avatar_s = filenames[0]
self.avatar_m = filenames[1]
self.avatar_l = filenames[2]
db.session.commit()
@property
def is_admin(self):
return self.role.name == 'Administrator'
@property
def is_active(self):
return self.active
# 添can()方法，获取用户的操作权限
def can(self, permission_name):
permission = Permission.query.filter_by(name=permission_name).first()
return permission is not None and self.role is not None and permission in self.role.permissions
