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from datetime import datetime, timedelta
from flask.ext.login import UserMixin
from sqlalchemy.orm import backref
from sqlalchemy.sql import func, expression
from app import db, pad, login
from padlite import APIException
from utils.apimixin import APIMixin
from utils.login import user_cls
def column(*args, **kwargs):
""" I want to have a Column with nullable defaults to True. """
kwargs["nullable"] = kwargs.get("nullable", False)
return db.Column(*args, **kwargs)
class SessionMixin(object):
@classmethod
def create(cls, *args, **kwargs):
obj = cls(*args, **kwargs)
db.session.add(obj)
return obj
@user_cls(login)
class User(UserMixin, APIMixin, SessionMixin, db.Model):
__tablename__ = 'users'
id = column(db.Integer, primary_key=True)
name = column(db.String(255), unique=True)
email = column(db.String(255))
last_login = column(db.DateTime(timezone=True), default=func.now())
active = column(db.Boolean, default=True,
server_default=expression.true())
admin = column(db.Boolean, default=False,
server_default=expression.false())
def __str__(self):
return self.name
def __repr__(self):
return '<User: %r>' % self.name
def create_api_object(self):
self.api_id = pad.createAuthor(self.name)
def remove_api_object(self):
# authors could not be deleted with padlite api
pass
class Group(APIMixin, SessionMixin, db.Model):
__tablename__ = 'groups'
id = column(db.Integer, primary_key=True)
name = column(db.String(255), unique=True)
public = column(db.Boolean, default=False,
server_default=expression.false())
browsable = column(db.Boolean, default=False,
server_default=expression.false())
description = column(db.Text, nullable=True)
def __str__(self):
return self.name
def __repr__(self):
return '<Group: %r>' % self.name
def create_api_object(self):
self.api_id = pad.createGroup()
def remove_api_object(self):
pad.deleteGroup(self.api_id)
class Member(SessionMixin, db.Model):
__tablename__ = 'members'
id = column(db.Integer, primary_key=True)
group_id = column(db.Integer, db.ForeignKey('groups.id'))
user_id = column(db.Integer, db.ForeignKey('users.id'))
manager = column(db.Boolean, server_default=expression.false())
admin = column(db.Boolean, server_default=expression.false())
active = column(db.Boolean, server_default=expression.false())
user = db.relationship(
"User", backref=backref("memberships", cascade="delete"))
group = db.relationship(
"Group", backref=backref("members", cascade="delete"))
def __str__(self):
return "%s member of %s" % (self.user.name, self.group.name)
def __repr__(self):
return "<Member: %r of %r>" % (self.user, self.group)
class Session(APIMixin, SessionMixin, db.Model):
__tablename__ = 'sessions'
id = column(db.Integer, primary_key=True)
user_id = column(db.Integer, db.ForeignKey('users.id'))
group_id = column(db.Integer, db.ForeignKey('groups.id'))
uuid = column(db.String(36))
valid_until = column(db.DateTime(timezone=True))
user = db.relationship(
"User", backref=backref("sessions", cascade="delete"))
group = db.relationship(
"Group", backref=backref("sessions", cascade="delete"))
def __repr__(self):
return "<Session: %r>" % (self.user)
def create_api_object(self):
self.valid_until = datetime.now() + timedelta(hours=4)
self.api_id = pad.createSession(
self.group.get_api_id(),
self.user.get_api_id(),
self.valid_until.strftime("%s"))
def remove_api_object(self):
try:
pad.deleteSession(self.api_id)
except APIException as e:
# we want to ignore code 1 = sessionID does not exist
if e.code != 1:
raise
def is_valid(self):
if self.api_id is None:
return True
if self.valid_until is not None:
if datetime.now() + timedelta(minutes=30) < self.valid_until:
return True
return False
class Pad(APIMixin, SessionMixin, db.Model):
__tablename__ = 'pads'
__table_args__ = (
db.UniqueConstraint('name', 'group_id'),
)
id = column(db.Integer, primary_key=True)
name = column(db.String(255))
group_id = column(db.Integer, db.ForeignKey('groups.id'))
created = column(db.DateTime(timezone=True), default=func.now())
public = column(db.Boolean, default=False,
server_default=expression.false())
password = column(db.String(255), default='',
nullable=True)
group = db.relationship(
"Group", backref=backref("pads", order_by="desc(Pad.created)",
cascade="delete"))
def __str__(self):
return self.name
def __repr__(self):
return "<Pad: %r for %r>" % (self.name, self.group)
def create_api_object(self):
self.api_id = pad.createGroupPad(
self.group.get_api_id(), self.name, 'testing')
def remove_api_object(self):
pad.deletePad(self.api_id)
def after_commit(self):
if self.api_id is not None:
pad.setPublicStatus(self.api_id, self.public)
pad.setPassword(self.api_id, self.password)
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