refactor(projects): remove project membership access model

apps/projects/services/memberships.py

@@ -1,32 +0,0 @@
-from rest_framework.exceptions import ValidationError
-from apps.projects.models import ProjectMembership
-
-def add_project_member(project, user_id, role):
-    """
-    Adds a user to a project. Ensures no duplicate active memberships exist.
-    """
-    if ProjectMembership.objects.filter(project=project, user_id=user_id, is_deleted=False).exists():
-        raise ValidationError({"user_id": "This user is already a member of the project."})
-
-    return ProjectMembership.objects.create(
-        project=project,
-        user_id=user_id,
-        role=role,
-        is_active=True
-    )
-
-def update_project_member(membership, **kwargs):
-    """
-    Updates a project membership (e.g., changing role or active status).
-    """
-    update_fields = []
-    for field, value in kwargs.items():
-        if hasattr(membership, field) and getattr(membership, field) != value:
-            setattr(membership, field, value)
-            update_fields.append(field)
-            
-    if update_fields:
-        update_fields.append("updated_at")
-        membership.save(update_fields=update_fields)
-        
-    return membership

apps/projects/services/projects.py

@@ -1,18 +1,17 @@
-from django.db import transaction
-from django.shortcuts import get_object_or_404
-from rest_framework.exceptions import ValidationError, PermissionDenied
-
-from apps.clients.models import Client
-from apps.projects.models import Project, ProjectMembership
-from apps.workspaces.models import WorkspaceMembership
+from django.db import transaction
+from django.shortcuts import get_object_or_404
+from rest_framework.exceptions import ValidationError, PermissionDenied
+
+from apps.clients.models import Client
+from apps.projects.models import Project
+from apps.workspaces.models import WorkspaceMembership
 
 
 @transaction.atomic
-def create_project(user, workspace, name, client=None, description="", color=""):
-    """
-    Creates a new project and automatically assigns the creator 
-    as an active MANAGER of that project.
-    """
+def create_project(user, workspace, name, client=None, description="", color=""):
+    """
+    Creates a new workspace-shared project.
+    """
     workspace_member = WorkspaceMembership.objects.filter(
         workspace=workspace,
         user=user,
@@ -36,14 +35,7 @@ def create_project(user, workspace, name, client=None, description="", color="")
         updated_by=user,
     )
 
-    ProjectMembership.objects.create(
-        project=project,
-        user=user,
-        role=ProjectMembership.Role.MANAGER,
-        is_active=True
-    )
-
-    return project
+    return project
 
 
 def update_project(project, **kwargs):