[WEB-5237] feat: add workspace invitation and project member management endpoints (#8059)

apps/api/plane/app/permissions/__init__.py

@@ -11,6 +11,7 @@ from .project import (
     ProjectEntityPermission,
     ProjectMemberPermission,
     ProjectLitePermission,
+    ProjectAdminPermission,
 )
 from .base import allow_permission, ROLE
 from .page import ProjectPagePermission

apps/api/plane/app/permissions/project.py

@@ -112,6 +112,20 @@ class ProjectEntityPermission(BasePermission):
         ).exists()
 
 
+class ProjectAdminPermission(BasePermission):
+    def has_permission(self, request, view):
+        if request.user.is_anonymous:
+            return False
+
+        return ProjectMember.objects.filter(
+            workspace__slug=view.workspace_slug,
+            member=request.user,
+            role=ROLE.ADMIN.value,
+            project_id=view.project_id,
+            is_active=True,
+        ).exists()
+
+
 class ProjectLitePermission(BasePermission):
     def has_permission(self, request, view):
         if request.user.is_anonymous: