Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
#...
from . import db, login_manager
class Permission:
FOLLOW = 1
COMMENT = 2
WRITE = 4
MODERATE = 8
ADMIN = 16
class Role(db.Model):
__tablename__ = 'roles'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(64), unique=True)
default = db.Column(db.Boolean, default=False, index=True)
permissions = db.Column(db.Integer)
users = db.relationship('User', backref='role', lazy='dynamic')
def __init__(self, **kwargs):
super(Role, self).__init__(**kwargs)
if self.permissions is None:
self.permissions = 0
@staticmethod
def insert_roles():
roles = {
'User': [Permission.FOLLOW, Permission.COMMENT, Permission.WRITE],
'Moderator': [Permission.FOLLOW, Permission.COMMENT,
Permission.WRITE, Permission.MODERATE],
'Administrator': [Permission.FOLLOW, Permission.COMMENT,
Permission.WRITE, Permission.MODERATE,
Permission.ADMIN],
}
default_role = 'User'
for r in roles:
role = Role.query.filter_by(name=r).first()
if role is None:
role = Role(name=r)
role.reset_permissions()
for perm in roles[r]:
role.add_permission(perm)
role.default = (role.name == default_role)
db.session.add(role)
db.session.commit()
def add_permission(self, perm):
if not self.has_permission(perm):
self.permissions += perm
def remove_permission(self, perm):
if self.has_permission(perm):
self.permissions -= perm
def reset_permissions(self):
self.permissions = 0
def has_permission(self, perm):
return self.permissions & perm == perm
def __repr__(self):
return '<Role %r>' % self.name
class User(db.Model, UserMixin):
#...
avatar_hash = db.Column(db.String(32))
def __init__(self, **kwargs)
super(User, self).__init__(**kwargs)
if self.role is None:
# check if the new user is set up as the admin, and gives them admin permissions
if self.email == current_app.config[‘OFFBRAND_ADMIN’]:
self.role = Role.query.filter_by(name=Administrator’).first()
if self.role is None:
self.role = Role.query.filter_by(default=True).first()
if self.email is not None and self.avatar_hash is None:
self.avatar_hash = self.gravatar_hash()
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.