Convert the README to rST, since that's what distutils wants.

[bluechips.git] / bluechips / controllers / spend.py

diff --git a/bluechips/controllers/spend.py b/bluechips/controllers/spend.py
index c99d325ba10984b2fd1da0a508cf9479668ca8b3..4e89b35b55c27ed6c0d79cff74609e991aa3d2ae 100644 (file)
--- 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'
@@ -70,18 +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]
+                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"))
-                except IndexError:
-                    percent = 0
                 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
@@ -99,8 +109,6 @@ class SpendController(BaseController):
         # Set the fields that were submitted
         shares = self.form_result.pop('shares')
         update_sar(e, self.form_result)
-        if e.id is not None:
-            e.update_split()
 
         users = dict(meta.Session.query(model.User.id, model.User).all())
         split_dict = {}
@@ -124,3 +132,35 @@ class SpendController(BaseController):
         g.handle_notification(involved_users, show, body)
 
         return h.redirect_to('/')
+
+    def delete(self, id):
+        c.title = 'Delete an Expenditure'
+        c.expenditure = meta.Session.query(model.Expenditure).get(id)
+        if c.expenditure is None:
+            abort(404)
+
+        return render('/spend/delete.mako')
+
+    @redirect_on_get('delete')
+    @authenticate_form
+    def destroy(self, id):
+        e = meta.Session.query(model.Expenditure).get(id)
+        if e is None:
+            abort(404)
+
+        if 'delete' in request.params:
+            meta.Session.delete(e)
+
+            meta.Session.commit()
+            show = ("Expenditure of %s paid for by %s deleted." %
+                    (e.amount, e.spender))
+            h.flash(show)
+
+            involved_users = set(sp.user for sp in e.splits if sp.share != 0)
+            involved_users.add(e.spender)
+            body = render('/emails/expenditure.txt',
+                          extra_vars={'expenditure': e,
+                                      'op': 'deleted'})
+            g.handle_notification(involved_users, show, body)
+
+        return h.redirect_to('/')