[pdm-devel] [PATCH datacenter-manager v2] ui: resource tree: use AsyncAbortGuard to cancel obsolete pending loads

[Thomas Lamprecht]

Am 18.04.25 um 09:46 schrieb Dominik Csapak:
> Currently, if a new serach term is given, a new load will occur if the
> INPUT_BUFFER_MS time is reached. Any old in-flight API requests are not
> canceled, and might still arrive.
> 
> To prevent that, use an AsyncAbortGuard so the old load will be aborted
> whenever it is overwritten.
> 
> Signed-off-by: Dominik Csapak <d.csapak at proxmox.com>
> ---
> changes from v1:
> * use AsyncAbortGuard instead of AsyncPool, since that's the correct
>   abstraction here.
> * introduce a new Msg variant, so that we can overwrite the AsyncAbortGuard
>   in the update method
> 
> replaces:
> https://lore.proxmox.com/pdm-devel/20250416113232.2488103-1-d.csapak@proxmox.com/

Yeah, this reads a bit nicer and more convenient.
 
>  ui/src/widget/resource_tree.rs | 28 +++++++++++++++++++---------
>  1 file changed, 19 insertions(+), 9 deletions(-)
> 

> @@ -88,6 +89,7 @@ async fn load_resources(search_term: String) -> Result<Vec<RemoteResources>, Err
>  }
>  
>  pub enum Msg {
> +    LoadRequest,

Tiny nit: would it be a tiny bit more and telling and consistent with pwt if we
would name this message "UpdateFilter"? E.g. like PwtSearchDropdown uses.

Could be adapted on applying though.

>      Load,
>      LoadResult(Result<Vec<RemoteResources>, Error>),
>      RemoteListChanged(RemoteList),