🛂(backend) stop to list public doc to everyone

Everybody could see the full list of public docs.
Now only members can see their public docs.
They can still access to any specific public doc.

src/backend/core/models.py

@@ -21,7 +21,7 @@ from django.http import FileResponse
 from django.template.base import Template as DjangoTemplate
 from django.template.context import Context
 from django.utils import html, timezone
-from django.utils.functional import lazy
+from django.utils.functional import cached_property, lazy
 from django.utils.translation import gettext_lazy as _
 
 import frontmatter
@@ -42,10 +42,9 @@ def get_resource_roles(resource, user):
     try:
         roles = resource.user_roles or []
     except AttributeError:
-        teams = user.get_teams()
         try:
             roles = resource.accesses.filter(
-                models.Q(user=user) | models.Q(team__in=teams),
+                models.Q(user=user) | models.Q(team__in=user.teams),
             ).values_list("role", flat=True)
         except (models.ObjectDoesNotExist, IndexError):
             roles = []
@@ -215,7 +214,8 @@ class User(AbstractBaseUser, BaseModel, auth_models.PermissionsMixin):
             raise ValueError("User has no email address.")
         mail.send_mail(subject, message, from_email, [self.email], **kwargs)
 
-    def get_teams(self):
+    @cached_property
+    def teams(self):
         """
         Get list of teams in which the user is, as a list of strings.
         Must be cached if retrieved remotely.
@@ -247,7 +247,7 @@ class BaseAccess(BaseModel):
         """
         roles = []
         if user.is_authenticated:
-            teams = user.get_teams()
+            teams = user.teams
             try:
                 roles = self.user_roles or []
             except AttributeError:
@@ -778,7 +778,7 @@ class Invitation(BaseModel):
         roles = []
 
         if user.is_authenticated:
-            teams = user.get_teams()
+            teams = user.teams
             try:
                 roles = self.user_roles or []
             except AttributeError: