Do not display unnecessary warnings.

cotisations/models.py

@@ -246,9 +246,10 @@ class Facture(BaseInvoice):
     def can_change_control(user_request, *_args, **_kwargs):
         """ Returns True if the user can change the 'controlled' status of
         this invoice """
+        can = user_request.has_perm('cotisations.change_facture_control')
         return (
-            user_request.has_perm('cotisations.change_facture_control'),
-            _("You don't have the right to edit the \"controlled\" state."),
+            can,
+            _("You don't have the right to edit the \"controlled\" state.") if not can else None,
             ('cotisations.change_facture_control',)
         )
 
@@ -746,11 +747,12 @@ class Article(RevMixin, AclMixin, models.Model):
             A boolean stating if usage is granted and an explanation
             message if the boolean is `False`.
         """
+        can = self.available_for_everyone \
+            or user.has_perm('cotisations.buy_every_article') \
+            or user.has_perm('cotisations.add_facture')
         return (
-            self.available_for_everyone
-            or user.has_perm('cotisations.buy_every_article')
-            or user.has_perm('cotisations.add_facture'),
-            _("You can't buy this article."),
+            can,
+            _("You can't buy this article.") if not can else None,
             ('cotisations.buy_every_article', 'cotisations.add_facture')
         )
 
@@ -902,11 +904,12 @@ class Paiement(RevMixin, AclMixin, models.Model):
             A boolean stating if usage is granted and an explanation
             message if the boolean is `False`.
         """
+        can = self.available_for_everyone \
+            or user.has_perm('cotisations.use_every_payment') \
+            or user.has_perm('cotisations.add_facture')
         return (
-            self.available_for_everyone
-            or user.has_perm('cotisations.use_every_payment')
-            or user.has_perm('cotisations.add_facture'),
-            _("You can't use this payment method."),
+            can,
+            _("You can't use this payment method.") if not can else None,
             ('cotisations.use_every_payment', 'cotisations.add_facture')
         )
 

machines/models.py

@@ -105,9 +105,10 @@ class Machine(RevMixin, FieldPermissionModelMixin, models.Model):
             A tuple with a boolean stating if edition is allowed and an
             explanation message.
         """
+        can = user_request.has_perm('machines.change_machine_user')
         return (
-            user_request.has_perm('machines.change_machine_user'),
-            _("You don't have the right to change the machine's user."),
+            can,
+            _("You don't have the right to change the machine's user.") if not can else None,
             ('machines.change_machine_user',)
         )
 
@@ -803,9 +804,10 @@ class Extension(RevMixin, AclMixin, models.Model):
         restrictions
         :param user_request: instance user qui fait l'edition
         :return: True ou False avec la raison de l'échec le cas échéant"""
+        can = user_request.has_perm('machines.use_all_extension')
         return (
-            user_request.has_perm('machines.use_all_extension'),
-            _("You cannot use all extensions."),
+            can,
+            _("You cannot use all extensions.") if not can else None,
             ('machines.use_all_extension',)
         )
 
@@ -1294,9 +1296,10 @@ class Interface(RevMixin, AclMixin, FieldPermissionModelMixin, models.Model):
     def can_change_machine(user_request, *_args, **_kwargs):
         """Check if a user can change the machine associated with an
         Interface object """
+        can = user_request.has_perm('machines.change_interface_machine')
         return (
-            user_request.has_perm('machines.change_interface_machine'),
-            _("Permission required to edit the machine."),
+            can,
+            _("Permission required to edit the machine.") if not can else None,
             ('machines.change_interface_machine',)
         )
 
@@ -1421,10 +1424,11 @@ class Ipv6List(RevMixin, AclMixin, FieldPermissionModelMixin, models.Model):
     @staticmethod
     def can_change_slaac_ip(user_request, *_args, **_kwargs):
         """ Check if a user can change the slaac value """
+        can = user_request.has_perm('machines.change_ipv6list_slaac_ip')
         return (
-            user_request.has_perm('machines.change_ipv6list_slaac_ip'),
+            can,
             _("Permission required to change the SLAAC value of an IPv6"
-              " address"),
+              " address") if not can else None,
             ('machines.change_ipv6list_slaac_ip',)
         )
 

re2o/mixins.py

@@ -105,10 +105,11 @@ class AclMixin(object):
         :param user_request: instance utilisateur qui fait la requête
         :return: soit True, soit False avec la raison de l'échec"""
         permission = cls.get_modulename() + '.add_' + cls.get_classname()
+        can = user_request.has_perm(permission)
         return (
-            user_request.has_perm(permission),
+            can,
             _("You don't have the right to create a %s object.")
-                % cls.get_classname(),
+                % cls.get_classname() if not can else None,
             (permission,)
         )
 
@@ -119,10 +120,11 @@ class AclMixin(object):
         :param user_request: Utilisateur qui fait la requête
         :return: soit True, soit False avec la raison de l'échec"""
         permission = self.get_modulename() + '.change_' + self.get_classname()
+        can = user_request.has_perm(permission)
         return (
-            user_request.has_perm(permission),
+            can,
             _("You don't have the right to edit a %s object.")
-                % self.get_classname(),
+                % self.get_classname() if not can else None,
             (permission,)
         )
 
@@ -133,10 +135,11 @@ class AclMixin(object):
         :param user_request: Utilisateur qui fait la requête
         :return: soit True, soit False avec la raison de l'échec"""
         permission = self.get_modulename() + '.delete_' + self.get_classname()
+        can = user_request.has_perm(permission)
         return (
-            user_request.has_perm(permission),
+            can,
             _("You don't have the right to delete a %s object.")
-                % self.get_classname(),
+                % self.get_classname() if not can else None,
             (permission,)
         )
 
@@ -147,10 +150,11 @@ class AclMixin(object):
         :param user_request: instance user qui fait l'edition
         :return: True ou False avec la raison de l'échec le cas échéant"""
         permission = cls.get_modulename() + '.view_' + cls.get_classname()
+        can = user_request.has_perm(permission)
         return (
-            user_request.has_perm(permission),
+            can,
             _("You don't have the right to view every %s object.")
-                % cls.get_classname(),
+                % cls.get_classname() if not can else None,
             (permission,)
         )
 
@@ -161,10 +165,11 @@ class AclMixin(object):
         :param user_request: instance user qui fait l'edition
         :return: True ou False avec la raison de l'échec le cas échéant"""
         permission = self.get_modulename() + '.view_' + self.get_classname()
+        can = user_request.has_perm(permission)
         return (
-            user_request.has_perm(permission),
+            can,
             _("You don't have the right to view a %s object.")
-                % self.get_classname(),
+                % self.get_classname() if not can else None,
             (permission,)
         )
 

tickets/models.py

@@ -86,9 +86,10 @@ class Ticket(AclMixin, models.Model):
     @staticmethod
     def can_view_all(user_request, *_args, **_kwargs):
         """ Check that the user has access to the list of all tickets"""
+        can = user_request.has_perm('tickets.view_tickets')
         return(
-            user_request.has_perm('tickets.view_tickets'),
-            _("You don't have the right to view the list of tickets."),
+            can,
+            _("You don't have the right to view the list of tickets.") if not can else None,
             ('tickets.view_tickets',)
         )
 

users/models.py

@@ -968,9 +968,10 @@ class User(RevMixin, FieldPermissionModelMixin, AbstractBaseUser,
         :returns: a message and a boolean which is True if the user has
         the right to change a state
         """
+        can = user_request.has_perm('users.change_user_state')
         return (
-            user_request.has_perm('users.change_user_state'),
-            _("Permission required to change the state."),
+            can,
+            _("Permission required to change the state.") if not can else None,
             ('users.change_user_state',)
         )
 
@@ -999,9 +1000,10 @@ class User(RevMixin, FieldPermissionModelMixin, AbstractBaseUser,
         :returns: a message and a boolean which is True if the user has
         the right to change a redirection
         """
+        can = OptionalUser.get_cached_value('local_email_accounts_enabled')
         return (
-            OptionalUser.get_cached_value('local_email_accounts_enabled'),
-            _("Local email accounts must be enabled."),
+            can,
+            _("Local email accounts must be enabled.") if not can else None,
             None
         )
 
@@ -1013,9 +1015,10 @@ class User(RevMixin, FieldPermissionModelMixin, AbstractBaseUser,
         :returns: a message and a boolean which is True if the user has
         the right to change internal address
         """
+        can = OptionalUser.get_cached_value('local_email_accounts_enabled')
         return (
-            OptionalUser.get_cached_value('local_email_accounts_enabled'),
-            _("Local email accounts must be enabled."),
+            can,
+            _("Local email accounts must be enabled.") if not can else None,
             None
         )
 
@@ -1027,9 +1030,10 @@ class User(RevMixin, FieldPermissionModelMixin, AbstractBaseUser,
         :returns: a message and a boolean which is True if the user has
         the right to change a force
         """
+        can = user_request.has_perm('users.change_user_force')
         return (
-            user_request.has_perm('users.change_user_force'),
-            _("Permission required to force the move."),
+            can,
+            _("Permission required to force the move.") if not can else None,
             ('users.change_user_force',)
         )
 
@@ -1041,9 +1045,10 @@ class User(RevMixin, FieldPermissionModelMixin, AbstractBaseUser,
         :returns: a message and a boolean which is True if the user has
         the right to change a group
         """
+        can = user_request.has_perm('users.change_user_grou')
         return (
-            user_request.has_perm('users.change_user_groups'),
-            _("Permission required to edit the user's groups of rights."),
+            can,
+            _("Permission required to edit the user's groups of rights.") if not can else None,
             ('users.change_user_groups')
         )
 
@@ -1054,9 +1059,10 @@ class User(RevMixin, FieldPermissionModelMixin, AbstractBaseUser,
         :param user_request: The user who request
         :returns: a message and a boolean which is True if permission is granted.
         """
+        can = user_request.is_superuser
         return (
-            user_request.is_superuser,
-            _("'superuser' right required to edit the superuser flag."),
+            can,
+            _("'superuser' right required to edit the superuser flag.") if not can else None,
             []
         )
 
@@ -1099,9 +1105,10 @@ class User(RevMixin, FieldPermissionModelMixin, AbstractBaseUser,
         :return: True if the user can view the list and an explanation
             message.
         """
+        can = user_request.has_perm('use.view_user')
         return (
-            user_request.has_perm('users.view_user'),
-            _("You don't have the right to view the list of users."),
+            can,
+            _("You don't have the right to view the list of users.") if not can else None,
             ('users.view_user',)
         )
 
@@ -1113,9 +1120,10 @@ class User(RevMixin, FieldPermissionModelMixin, AbstractBaseUser,
         :return: True if user_request has the right 'bureau', and a
             message.
         """
+        can = user_request.has_perm('users.delete_user')
         return (
-            user_request.has_perm('users.delete_user'),
-            _("You don't have the right to delete this user."),
+            can,
+            _("You don't have the right to delete this user.") if not can else None,
             ('users.delete_user',)
         )
 
@@ -1209,9 +1217,10 @@ class Adherent(User):
                     OptionalUser.get_cached_value('self_adhesion')):
                 return True, None, None
             else:
+                can = user_request.has_perm('users.add_user')
                 return (
-                    user_request.has_perm('users.add_user'),
-                    _("You don't have the right to create a user."),
+                    can,
+                    _("You don't have the right to create a user.") if not can else None,
                     ('users.add_user',)
                 )
 
@@ -1265,9 +1274,10 @@ class Club(User):
             if OptionalUser.get_cached_value('all_can_create_club'):
                 return True, None, None
             else:
+                can = user_request.has_perm('users.add_user')
                 return (
-                    user_request.has_perm('users.add_user'),
-                    _("You don't have the right to create a club."),
+                    can,
+                    _("You don't have the right to create a club.") if not can else None,
                     ('users.add_user',)
                 )