class Manufacturer(TimeTrackedMixin, db.Model):
__tablename__ = 'manufacturers'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(), nullable=False)
def __unicode__(self):
return self.name
class Container(TimeTrackedMixin, db.Model):
__tablename__ = 'containers'
STATUSES = (('sklad', u'На складе'), ('sale', u'Продан'),
('arend', u'В аренде'), ('reserved', u'Зарезервирован'),
('remont', u'Требует ремонта'), ('for go',
u'Заявлен к вывозу'))
id = db.Column(db.Integer, primary_key=True)
created = db.Column(db.DateTime, server_default=func.now(), nullable=False)
invent_number = db.Column(db.String(30), nullable=False)
number = db.Column(db.Integer, nullable=False)
manufacturer_id = db.Column(db.ForeignKey('manufacturers.id'),
nullable=False)
investor_id = db.Column(db.ForeignKey('investors.id'), nullable=True)
buy_cost = db.Column(db.Numeric(10, 2), nullable=False)
container_type = db.Column(db.Enum(*('sea', 'earth'),
name='container_types'),
default='earth',
nullable=False)
status = db.Column(db.Enum(*[x[0] for x in STATUSES],
name='container_statuses'),
default='earth',
nullable=False)
photo = db.Column(db.String, nullable=True)
manufacturer = db.relationship(Manufacturer, backref='containers')
investor = db.relationship(Investor, backref='containers')
periods_query = db.relationship('RentPeriod', lazy='dynamic', uselist=True)
@property
def status_verbose(self):
for k, v in self.STATUSES:
if k == self.status:
return v
return None
@property
def container_type_verbose(self):
if self.container_type == 'sea':
return u'Морской'
elif self.container_type == 'earth':
return u'Контейнер'
else:
return None
@property
def current_rent_period(self):
return self.periods_query.filter(RentPeriod.status == 'open').order_by(
RentPeriod.date_created).first()
class RentPeriod(TimeTrackedMixin, db.Model):
__tablename__ = 'rent_periods'
id = db.Column(db.Integer, primary_key=True)
begin_date = db.Column(db.Date(), nullable=False)
renter_id = db.Column(db.ForeignKey('renters.id'), nullable=False)
container_id = db.Column(db.ForeignKey('containers.id'), nullable=False)
summ = db.Column(db.Numeric(10, 2), nullable=False)
address = db.Column(db.String(), nullable=False)
total = db.Column(db.Numeric(10, 2))
status = db.Column(db.Enum(*('open', 'closed'), name='period_statuses'),
default='open',
nullable=False)
renter = db.relationship(Renter, lazy='joined', uselist=False)
container = db.relationship(Container, lazy='joined', uselist=False)
class User(UserMixin, db.Model):
__tablename__ = 'users'
id = db.Column(db.Integer, primary_key=True)
email = db.Column(db.String, nullable=False, unique=True)
first_name = db.Column(db.String)
last_name = db.Column(db.String)
is_admin = db.Column(db.Boolean, default=False, nullable=False)
password_hash = db.Column(db.String(128))
@property
def password(self):
raise AttributeError('Password is not readable attribute')
@password.setter
def password(self, password):
self.password_hash = generate_password_hash(password)
def verify_password(self, password):
return check_password_hash(self.password_hash, password)
@classmethod
def create(cls,
email,
password,
is_admin=False,
first_name=None,
last_name=None):
user = cls()
user.email = email
user.first_name = first_name
user.last_name = last_name
user.is_admin = is_admin
user.password = password
db.session.add(user)
try:
db.session.commit()
except Exception as e:
db.session.rollback()
current_app.logger.exception(e)
class Renter(TimeTrackedMixin, db.Model):
__tablename__ = 'renters'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(), nullable=False)
inn = db.Column(db.String())
ogrn = db.Column(db.String())
phone_contacts = db.Column(db.String())
email = db.Column(db.String())
comment = db.Column(db.String())
periods_query = db.relationship('RentPeriod', uselist=True, lazy='dynamic')
def __unicode__(self):
return self.name