2024-06-20 13:13:26 +02:00
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use axum::body::Body;
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use axum::response::Html;
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use tokio::fs::File;
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use tokio_util::io::ReaderStream;
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use crate::config::RESOURCE_DIR;
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2024-06-17 12:18:53 +02:00
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/// Create an axum router function with the given body or routes.
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/// # Examples
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/// ```
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/// router!(
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/// get "/" => index,
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/// get "/openapi" => open_api
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/// );
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/// router!("/simplify", routes!(
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/// get "/:exp" => simplify,
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/// get "/table/:exp" => simplify_and_table
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/// ));
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/// ```
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#[macro_export]
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macro_rules! router {
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($body:expr) => {
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pub(crate) fn router() -> axum::Router<()> {
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$body
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}
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};
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($route:expr, $router:expr) => {
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router!(axum::Router::new().nest($route, $router));
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};
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($($method:ident $route:expr => $func:expr),* $(,)?) => {
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router!($crate::routes!($($method $route => $func),*));
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};
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}
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/// Create a router with the given routes.
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/// # Examples
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/// ```
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/// routes!(
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/// get "/" => index,
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/// post "/" => create
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/// );
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/// ```
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#[macro_export]
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macro_rules! routes {
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($($method:ident $route:expr => $func:expr),* $(,)?) => {
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axum::Router::new()
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$(.route($route, axum::routing::$method($func)))*
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};
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}
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2024-06-20 13:13:26 +02:00
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/// Load an HTML file from the given file path, relative to the resource directory.
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/// # Arguments
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/// * `file_path` - The path to the HTML file.
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/// # Returns
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/// The HTML file as a `Html` object containing the content-type 'text/html' or an error message if the file is not found or cannot be read.
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/// # Examples
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/// ```
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/// let html = load_html("openapi.html").await.unwrap();
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/// ```
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pub async fn load_html(file_path: &str) -> Result<Html<Body>, String> {
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let file = match File::open(format!("{}/{}", RESOURCE_DIR, file_path)).await {
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Ok(file) => file,
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Err(err) => return Err(format!("File not found: {err}")),
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};
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let stream = ReaderStream::new(file);
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Ok(Html(Body::from_stream(stream)))
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}
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