Vues gestion caisses et amélioration Account

- General :
    - Ajout de la gestion des messages dans le template base
    - jQuery et bootstrap ajoutés au template base
    - Ajout de DateTimeWidget utilisant bootstrap-datetimepicker pour
      les champs DateTime
- Account :
    - Ajout de propriétés aux modèles pour accéder directement à
      certains éléments sans avoir à passer par les relations
    - Suppression d'une méthode inutile dans le modèle
    - Correction de permission dans la vue update
    - Utilisation des messages pour la création et l'édition d'un compte
- Checkout :
    - gestion initiale CRU

kfet/models.py

@@ -1,4 +1,5 @@
 from django.db import models
+from django.core.urlresolvers import reverse
 from django.core.exceptions import PermissionDenied
 from django.contrib.auth.models import User, AnonymousUser
 from django.core.validators import RegexValidator
@@ -40,7 +41,46 @@ class Account(models.Model):
         blank = True, null = True, default = None)
 
     def __str__(self):
-        return self.trigramme
+        return '%s (%s)' % (self.trigramme, self.name)
+
+    # Propriétés pour accéder aux attributs de user et cofprofile et user
+    @property
+    def user(self):
+        return self.cofprofile.user
+    @property
+    def username(self):
+        return self.cofprofile.user.username
+    @property
+    def first_name(self):
+        return self.cofprofile.user.first_name
+    @property
+    def last_name(self):
+        return self.cofprofile.user.last_name
+    @property
+    def email(self):
+        return self.cofprofile.user.email
+    @property
+    def departement(self):
+        return self.cofprofile.departement
+    @property
+    def is_cof(self):
+        return self.cofprofile.is_cof
+
+    # Propriétés supplémentaires
+    @property
+    def real_balance(self):
+        if (hasattr(self, 'negative')):
+            return self.balance + self.negative.balance_offset
+        return self.balance
+
+    @property
+    def name(self):
+        if self.first_name and self.last_name:
+            return '%s %s' % (self.first_name, self.last_name)
+        elif self.first_name:
+            return '%s %s' % self.first_name
+        else:
+            return self.last_name
 
     @staticmethod
     def is_validandfree(trigramme):
@@ -53,14 +93,6 @@ class Account(models.Model):
             data['is_free'] = True
         return data
 
-    def real_balance(self):
-        if (hasattr(self, 'negative')):
-            return self.balance + self.negative.balance_offset
-        return self.balance
-
-    def read(self, auth_user = AnonymousUser()):
-        user = self.cofprofile.user
-
     # Surcharge Méthode save() avec gestions de User et CofProfile
     # Args:
     # - data : datas pour User et CofProfile
@@ -72,7 +104,7 @@ class Account(models.Model):
             # Account update
 
             # Updating User with data
-            user = self.cofprofile.user
+            user = self.user
             user.first_name = data.get("first_name", user.first_name)
             user.last_name  = data.get("last_name", user.last_name)
             user.email      = data.get("email", user.email)
@@ -81,12 +113,6 @@ class Account(models.Model):
             cof = self.cofprofile
             cof.departement = data.get("departement", cof.departement)
             cof.save()
-            # Nickname is not editable by the user
-            """
-            if not auth_user.has_perm('kfet.change_account'):
-                account_old = Account.objects.get(pk=self.pk)
-                self.nickname = account_old.nickname
-            """
         else:
             # New account
 
@@ -149,9 +175,20 @@ class Checkout(models.Model):
     name = models.CharField(max_length = 45)
     valid_from = models.DateTimeField()
     valid_to   = models.DateTimeField()
-    balance = models.DecimalField(max_digits = 6, decimal_places = 2)
+    balance = models.DecimalField(
+        max_digits = 6, decimal_places = 2,
+        default = 0)
     is_protected = models.BooleanField(default = False)
 
+    def get_absolute_url(self):
+        return reverse('kfet.checkout.read', kwargs={'pk': self.pk})
+
+    class Meta:
+        ordering = ['-valid_to']
+
+    def __str__(self):
+        return self.name
+
 class CheckoutTransfer(models.Model):
     from_checkout = models.ForeignKey(
         Checkout, on_delete = models.PROTECT,