Restrict actions on specific users (#42)

* Restrict actions on specific users

* update readme

src/components/devices.tsx

@@ -1,9 +1,15 @@
 import { DeleteWithConfirmButton, DeleteWithConfirmButtonProps, useRecordContext } from "react-admin";
+import { isASManaged } from "./mxid";
 
 export const DeviceRemoveButton = (props: DeleteWithConfirmButtonProps) => {
   const record = useRecordContext();
   if (!record) return null;
 
+  let isASManagedUser = false;
+  if (record.user_id) {
+    isASManagedUser = isASManaged(record.user_id);
+  }
+
   return (
     <DeleteWithConfirmButton
       {...props}
@@ -12,6 +18,7 @@ export const DeviceRemoveButton = (props: DeleteWithConfirmButtonProps) => {
       confirmContent="resources.devices.action.erase.content"
       mutationMode="pessimistic"
       redirect={false}
+      disabled={isASManagedUser}
       translateOptions={{
         id: record.id,
         name: record.display_name ? record.display_name : record.id,

src/components/mxid.tsx

@@ -0,0 +1,15 @@
+
+/**
+ * Check if a user is managed by an application service
+ * @param id The user ID to check
+ * @returns Whether the user is managed by an application service
+ */
+export const isASManaged = (id: string) => {
+  const managedUsersString = localStorage.getItem("as_managed_users");
+  try {
+    const asManagedUsers = JSON.parse(managedUsersString).map(regex => new RegExp(regex));
+    return asManagedUsers.some(regex => regex.test(id));
+  } catch (e) {
+    return false;
+  }
+};