]> asedeno.scripts.mit.edu Git - bluechips.git/blobdiff - bluechips/model/__init__.py
Move model classes into their own files
[bluechips.git] / bluechips / model / __init__.py
index 24e72d7eae3b93c4882609ce1608e74dc866c12e..9261b971a794847ac18566a24715d550bb18d396 100644 (file)
@@ -2,9 +2,17 @@
 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
 
+from datetime import datetime
+
 def init_model(engine):
     """Call me before using any of the tables or classes in the model"""
 
@@ -28,9 +36,9 @@ expenditures = sa.Table('expenditures', meta.metadata,
                                   sa.ForeignKey('users.id'), nullable=False),
                         sa.Column('amount', types.Currency, nullable=False),
                         sa.Column('description', sa.types.Text),
-                        sa.Column('date', sa.types.Date, default=sa.func.now),
+                        sa.Column('date', sa.types.Date, default=datetime.now),
                         sa.Column('entered_time', sa.types.DateTime, 
-                                  default=sa.func.now)
+                                  default=datetime.now)
                         )
 
 splits = sa.Table('splits', meta.metadata,
@@ -59,46 +67,20 @@ transfers = sa.Table('transfers', meta.metadata,
                                sa.ForeignKey('users.id'), nullable=False),
                      sa.Column('amount', types.Currency, nullable=False),
                      sa.Column('description', sa.Text, default=None),
-                     sa.Column('date', sa.types.Date, default=sa.func.now),
+                     sa.Column('date', sa.types.Date, default=datetime.now),
                      sa.Column('entered_time', sa.types.DateTime,
-                               default=sa.func.now)
+                               default=datetime.now)
                      )
 
-### 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={
@@ -111,13 +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',