X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=bluechips%2Fmodel%2F__init__.py;h=a5ab0a0e74a9a2daa6364e25a29618e6faf8afc9;hb=3b864c81e804769f2be45b38c319895d1735aef9;hp=e251d5099db3bcde35868462202ffc34fcac7096;hpb=69631608356221409b30b8bcc93441adf810c767;p=bluechips.git diff --git a/bluechips/model/__init__.py b/bluechips/model/__init__.py index e251d50..a5ab0a0 100644 --- a/bluechips/model/__init__.py +++ b/bluechips/model/__init__.py @@ -2,10 +2,16 @@ 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""" @@ -28,7 +34,7 @@ expenditures = sa.Table('expenditures', meta.metadata, 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, @@ -41,7 +47,7 @@ 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, @@ -50,7 +56,7 @@ 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, @@ -59,48 +65,22 @@ 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) ) -### ORM Classes ### - -class User(object): - def __repr__(self): - return '' % (self.username) - -class Expenditure(object): - def __repr__(self): - return '' % (self.spender, - self.amount) - -class Split(object): - def __repr__(self): - return '' % (self.expenditure, - self.user, - self.share) - -class Subitem(object): - def __repr__(self): - return '' % (self.expense, - self.user, - self.amount) - -class Transfer(object): - def __repr__(self): - return '' % (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={ @@ -113,13 +93,16 @@ orm.mapper(Subitem, subitems, 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',