X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;ds=sidebyside;f=bluechips%2Fcontrollers%2Fspend.py;h=098ac270ceaad3ca0684a6973d7353f1a3097fda;hb=9cc05ca9160a9432d037afb9cc22c511e2542947;hp=2b4be30aa5ea276ace26de0852945a0ecbfb9c11;hpb=70206c7ae5218b469189b44881ce73a93498da07;p=bluechips.git

diff --git a/bluechips/controllers/spend.py b/bluechips/controllers/spend.py
index 2b4be30..098ac27 100644
--- a/bluechips/controllers/spend.py
+++ b/bluechips/controllers/spend.py
@@ -9,13 +9,14 @@ from decimal import Decimal, InvalidOperation
 from bluechips.lib.base import *
 
 from pylons import request, app_globals as g
-from pylons.decorators.rest import dispatch_on
 from pylons.decorators import validate
+from pylons.decorators.secure import authenticate_form
 from pylons.controllers.util import abort
 
 from formencode import validators, Schema
 from formencode.foreach import ForEach
 from formencode.variabledecode import NestedVariables
+from formencode.schema import SimpleFormValidator
 
 from mailer import Message
 
@@ -29,6 +30,12 @@ class ShareSchema(Schema):
     amount = validators.Number(not_empty=True)
 
 
+def validate_state(value_dict, state, validator):
+    if all(s['amount'] == 0 for s in value_dict['shares']):
+        return {'shares-0.amount': 'Need at least one non-zero share'}
+ValidateNotAllZero = SimpleFormValidator(validate_state)
+
+
 class ExpenditureSchema(Schema):
     "Validate an expenditure."
     allow_extra_fields = False
@@ -38,6 +45,7 @@ class ExpenditureSchema(Schema):
     description = validators.UnicodeString()
     date = validators.DateConverter()
     shares = ForEach(ShareSchema)
+    chained_validators = [ValidateNotAllZero]
     
 
 class SpendController(BaseController):
@@ -57,10 +65,9 @@ class SpendController(BaseController):
             c.values = {}
             for ii, user_row in enumerate(c.users):
                 user_id, user = user_row
+                val = 0
                 if user.resident:
                     val = Decimal(100) / Decimal(num_residents)
-                else:
-                    val = 0
                 c.values['shares-%d.amount' % ii] = val
         else:
             c.title = 'Edit an Expenditure'
@@ -70,21 +77,21 @@ class SpendController(BaseController):
             c.values = {}
             for ii, user_row in enumerate(c.users):
                 user_id, user = user_row
-                try:
-                    share = [s.share for s in c.expenditure.splits
-                             if s.user == user][0]
-                    if c.expenditure.amount == 0:
-                        percent = 0
-                    else:
-                        percent = (Decimal(100) * Decimal(int(share)) /
-                                   Decimal(int(c.expenditure.amount))).\
-                                quantize(Decimal("0.001"))
-                except IndexError:
+                shares_by_user = dict(((sp.user, sp.share) for sp
+                                       in c.expenditure.splits))
+                share = shares_by_user.get(user, 0)
+                if c.expenditure.amount == 0:
                     percent = 0
+                else:
+                    percent = (Decimal(100) * Decimal(int(share)) /
+                               Decimal(int(c.expenditure.amount))).\
+                            quantize(Decimal("0.001"))
                 c.values['shares-%d.amount' % ii] = percent
 
         return render('/spend/index.mako')
 
+    @redirect_on_get('edit')
+    @authenticate_form
     @validate(schema=ExpenditureSchema(), form='edit', variable_decode=True)
     def update(self, id=None):
         # Either create a new object, or, if we're editing, get the