73 lines
2.2 KiB
Rust
73 lines
2.2 KiB
Rust
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use http::status::StatusCode;
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use leptos::*;
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use thiserror::Error;
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#[derive(Clone, Debug, Error)]
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pub enum AppError {
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#[error("Not Found")]
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NotFound,
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}
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impl AppError {
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pub fn status_code(&self) -> StatusCode {
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match self {
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AppError::NotFound => StatusCode::NOT_FOUND,
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}
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}
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}
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// A basic function to display errors served by the error boundaries.
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// Feel free to do more complicated things here than just displaying the error.
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#[component]
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pub fn ErrorTemplate(
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#[prop(optional)] outside_errors: Option<Errors>,
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#[prop(optional)] errors: Option<RwSignal<Errors>>,
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) -> impl IntoView {
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let errors = match outside_errors {
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Some(e) => create_rw_signal(e),
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None => match errors {
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Some(e) => e,
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None => panic!("No Errors found and we expected errors!"),
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},
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};
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// Get Errors from Signal
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let errors = errors.get_untracked();
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// Downcast lets us take a type that implements `std::error::Error`
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let errors: Vec<AppError> = errors
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.into_iter()
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.filter_map(|(_k, v)| v.downcast_ref::<AppError>().cloned())
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.collect();
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println!("Errors: {errors:#?}");
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// Only the response code for the first error is actually sent from the server
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// this may be customized by the specific application
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#[cfg(feature = "ssr")]
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{
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use leptos_axum::ResponseOptions;
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let response = use_context::<ResponseOptions>();
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if let Some(response) = response {
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response.set_status(errors[0].status_code());
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}
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}
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view! {
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<h1>{if errors.len() > 1 {"Errors"} else {"Error"}}</h1>
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<For
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// a function that returns the items we're iterating over; a signal is fine
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each= move || {errors.clone().into_iter().enumerate()}
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// a unique key for each item as a reference
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key=|(index, _error)| *index
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// renders each item to a view
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children=move |error| {
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let error_string = error.1.to_string();
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let error_code= error.1.status_code();
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view! {
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<h2>{error_code.to_string()}</h2>
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<p>"Error: " {error_string}</p>
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}
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}
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/>
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}
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}
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