some fixes on roles service

taiga/base/users/models.py

@@ -5,6 +5,7 @@ from django.dispatch import receiver
 from django.utils.translation import ugettext_lazy as _
 from django.contrib.auth.models import UserManager, AbstractUser
 
+from taiga.base.utils.slug import slugify_uniquely
 from taiga.base.notifications.models import WatcherMixin
 
 
@@ -53,6 +54,12 @@ class Role(models.Model):
                                 related_name="roles", verbose_name=_("project"))
     computable = models.BooleanField(default=True)
 
+    def save(self, *args, **kwargs):
+        if not self.slug:
+            self.slug = slugify_uniquely(self.name, self.__class__)
+
+        super().save(*args, **kwargs)
+
     class Meta:
         verbose_name = "role"
         verbose_name_plural = "roles"

taiga/projects/serializers.py

@@ -168,4 +168,4 @@ class ProjectDetailSerializer(ProjectSerializer):
 class RoleSerializer(serializers.ModelSerializer):
     class Meta:
         model = Role
-        fields = ('id', 'name', 'slug', 'permissions', 'computable')
+        fields = ('id', 'name', 'permissions', 'computable', 'project', 'order')