feat: [UIE-9934] - IAM: reset to prev page when removing last role (linode#13268)

* feat: [UIE-9934] - IAM: reset to prev page when removing last role

* Added changeset: IAM: removing entity/role can cause an empty page

Author: aaleksee-akamai

packages/manager/.changeset/pr-13268-fixed-1768232528721.md

@@ -0,0 +1,5 @@
+---
+"@linode/manager": Fixed
+---
+
+IAM: removing entity/role can cause an empty page ([#13268](https://github.com/linode/manager/pull/13268))

packages/manager/src/features/IAM/Shared/AssignedEntitiesTable/AssignedEntitiesTable.tsx

@@ -172,11 +172,11 @@ export const AssignedEntitiesTable = ({ username }: Props) => {
 
   const handleRemoveAssignmentDialogClose = () => {
     setIsRemoveAssignmentDialogOpen(false);
-    // If we just deleted the last one on a page, reset to the first page.
+    // If we just deleted the last one on a page, reset to the previous page.
     const removedLastOnPage =
       filteredAndSortedRoles.length % pagination.pageSize === 1;
     if (removedLastOnPage) {
-      pagination.handlePageChange(1);
+      pagination.handlePageChange(pagination.page - 1);
     }
   };
 

packages/manager/src/features/IAM/Shared/AssignedRolesTable/AssignedRolesTable.tsx

@@ -166,6 +166,17 @@ export const AssignedRolesTable = () => {
     setSelectedRole(role);
   };
 
+  const handleRemoveRoleDialogClose = () => {
+    setIsUnassignRoleDialogOpen(false);
+
+    // If we just deleted the last one on a page, reset to the previous page.
+    const removedLastOnPage =
+      filteredAndSortedRoles.length % pagination.pageSize === 1;
+    if (removedLastOnPage) {
+      pagination.handlePageChange(pagination.page - 1);
+    }
+  };
+
   const { data: accountRoles, isLoading: accountPermissionsLoading } =
     useAccountRoles();
   const { data: entities, isLoading: entitiesLoading } = useAllAccountEntities(
@@ -447,7 +458,7 @@ export const AssignedRolesTable = () => {
         role={selectedRole}
       />
       <UnassignRoleConfirmationDialog
-        onClose={() => setIsUnassignRoleDialogOpen(false)}
+        onClose={() => handleRemoveRoleDialogClose()}
         open={isUnassignRoleDialogOpen}
         role={selectedRole}
       />