Move password set views to the authentication app

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/authentication/views.py

@@ -1,22 +1,27 @@
 from __future__ import absolute_import, unicode_literals
 
 from django.contrib import messages
+from django.contrib.auth import get_user_model
+from django.contrib.auth.forms import SetPasswordForm
 from django.contrib.auth.views import (
     LoginView, LogoutView, PasswordChangeDoneView, PasswordChangeView,
     PasswordResetCompleteView, PasswordResetConfirmView, PasswordResetDoneView,
     PasswordResetView
 )
+from django.core.exceptions import PermissionDenied
 from django.http import HttpResponseRedirect
 from django.shortcuts import redirect
 from django.urls import reverse, reverse_lazy
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import ungettext, ugettext_lazy as _
 
 from stronghold.views import StrongholdPublicMixin
 
 import mayan
+from mayan.apps.common.generics import MultipleObjectFormActionView
 from mayan.apps.common.settings import (
     setting_home_view, setting_project_title, setting_project_url
 )
+from mayan.apps.user_management.permissions import permission_user_edit
 
 from .forms import EmailAuthenticationForm, UsernameAuthenticationForm
 from .settings import setting_login_method, setting_maximum_session_length
@@ -131,3 +136,71 @@ class MayanPasswordResetView(StrongholdPublicMixin, PasswordResetView):
         viewname='authentication:password_reset_done_view'
     )
     template_name = 'authentication/password_reset_form.html'
+
+
+class UserSetPasswordView(MultipleObjectFormActionView):
+    form_class = SetPasswordForm
+    model = get_user_model()
+    object_permission = permission_user_edit
+    success_message = _('Password change request performed on %(count)d user')
+    success_message_plural = _(
+        'Password change request performed on %(count)d users'
+    )
+
+    def get_extra_context(self):
+        queryset = self.get_object_list()
+
+        result = {
+            'submit_label': _('Submit'),
+            'title': ungettext(
+                singular='Change user password',
+                plural='Change users passwords',
+                number=queryset.count()
+            )
+        }
+
+        if queryset.count() == 1:
+            result.update(
+                {
+                    'object': queryset.first(),
+                    'title': _('Change password for user: %s') % queryset.first()
+                }
+            )
+
+        return result
+
+    def get_form_extra_kwargs(self):
+        queryset = self.get_object_list()
+        result = {}
+        if queryset:
+            result['user'] = queryset.first()
+            return result
+        else:
+            raise PermissionDenied
+
+    def object_action(self, form, instance):
+        try:
+            if instance.is_superuser or instance.is_staff:
+                messages.error(
+                    message=_(
+                        'Super user and staff user password '
+                        'reseting is not allowed, use the admin '
+                        'interface for these cases.'
+                    ), request=self.request
+                )
+            else:
+                instance.set_password(form.cleaned_data['new_password1'])
+                instance.save()
+                messages.success(
+                    message=_(
+                        'Successful password reset for user: %s.'
+                    ) % instance, request=self.request
+                )
+        except Exception as exception:
+            messages.error(
+                message=_(
+                    'Error reseting password for user "%(user)s": %(error)s'
+                ) % {
+                    'user': instance, 'error': exception
+                }, request=self.request
+            )