import sqlalchemy as sa
from sqlalchemy import orm
+from user import *
+from expenditure import *
+from split import *
+from subitem import *
+from transfer import *
+
from bluechips.model import meta
from bluechips.model import types
-import datetime
+from datetime import datetime
def init_model(engine):
"""Call me before using any of the tables or classes in the model"""
sa.Column('id', sa.types.Integer, primary_key=True),
sa.Column('spender_id', sa.types.Integer,
sa.ForeignKey('users.id'), nullable=False),
- sa.Column('amount', types.Currency, nullable=False),
+ sa.Column('amount', types.DBCurrency, nullable=False),
sa.Column('description', sa.types.Text),
sa.Column('date', sa.types.Date, default=datetime.now),
sa.Column('entered_time', sa.types.DateTime,
- default=datetime.now)
+ default=datetime.utcnow)
)
splits = sa.Table('splits', meta.metadata,
sa.ForeignKey('expenditures.id'), nullable=False),
sa.Column('user_id', sa.types.Integer,
sa.ForeignKey('users.id'), nullable=False),
- sa.Column('share', types.Currency, nullable=False)
+ sa.Column('share', types.DBCurrency, nullable=False)
)
subitems = sa.Table('subitems', meta.metadata,
sa.ForeignKey('expenditures.id'), nullable=False),
sa.Column('user_id', sa.types.Integer,
sa.ForeignKey('users.id'), nullable=False),
- sa.Column('amount', types.Currency, nullable=False)
+ sa.Column('amount', types.DBCurrency, nullable=False)
)
transfers = sa.Table('transfers', meta.metadata,
sa.ForeignKey('users.id'), nullable=False),
sa.Column('creditor_id', sa.types.Integer,
sa.ForeignKey('users.id'), nullable=False),
- sa.Column('amount', types.Currency, nullable=False),
+ sa.Column('amount', types.DBCurrency, nullable=False),
sa.Column('description', sa.Text, default=None),
sa.Column('date', sa.types.Date, default=datetime.now),
sa.Column('entered_time', sa.types.DateTime,
- default=datetime.now)
+ default=datetime.utcnow)
)
-### ORM Classes ###
-
-class User(object):
- def __repr__(self):
- return '<User: %s>' % (self.username)
-
-class Expenditure(object):
- def __repr__(self):
- return '<Expenditure: spender: %s spent: %s>' % (self.spender,
- self.amount)
-
-class Split(object):
- def __repr__(self):
- return '<Split: expense: %s user: %s share: %s>' % (self.expenditure,
- self.user,
- self.share)
-
-class Subitem(object):
- def __repr__(self):
- return '<Subitem: expense: %s user: %s cost: %s>' % (self.expense,
- self.user,
- self.amount)
-
-class Transfer(object):
- def __repr__(self):
- return '<Transfer: from %s to %s for %s>' % (self.debtor,
- self.creditor,
- self.amount)
-
### DB/Class Mapping ###
orm.mapper(User, users)
-orm.mapper(Expenditure, expenditures, properties={
- 'spender': orm.relation(User, backref='expenditures')
+orm.mapper(Expenditure, expenditures, order_by=expenditures.c.date.desc(),
+ properties={
+ 'spender': orm.relation(User,
+ backref='expenditures',
+ lazy=False)
})
orm.mapper(Split, splits, properties={
'user': orm.relation(User)
})
-orm.mapper(Transfer, transfers, properties={
+orm.mapper(Transfer, transfers, order_by=transfers.c.date.desc(),
+ properties={
'debtor': orm.relation(User,
primaryjoin=(transfers.c.debtor_id==\
- users.c.id)),
+ users.c.id),
+ lazy=False),
'creditor': orm.relation(User,
primaryjoin=(transfers.c.creditor_id==\
- users.c.id))
+ users.c.id),
+ lazy=False)
})
__all__ = ['users', 'expenditures', 'splits', 'subitems', 'transfers',