Function og_image

perro_website/src/main.rs:41–72

(
    axum::extract::Path(path): axum::extract::Path<String>,
)

        .route("/api/sponsor", post(sponsor_api::create_checkout))
        .route("/api/sponsor/portal", get(sponsor_api::portal_redirect))
        .route("/og/{*path}", get(og_image))
        .leptos_routes(&leptos_options, routes, App)
        .fallback_service(ServeDir::new(site_root))
        .layer(Extension(sponsor_api::SponsorState::from_env()))
        .with_state(leptos_options);

    let listener = tokio::net::TcpListener::bind(&addr).await?;
    tracing::info!("perro_website @ http://{addr}");
    axum::serve(listener, app.into_make_service()).await?;
    Ok(())
}

#[cfg(feature = "ssr")]
async fn og_image(
    axum::extract::Path(path): axum::extract::Path<String>,
) -> impl axum::response::IntoResponse {
    use axum::response::IntoResponse;

    let wants_png = path.ends_with(".png");
    let normalized = path
        .strip_suffix(".png")
        .or_else(|| path.strip_suffix(".svg"))
        .unwrap_or(&path);
    let (title, label, summary) = og_text(normalized);
    let svg = social_svg(&title, &label, &summary);
    if wants_png {
        return match svg_to_png(&svg) {
            Ok(png) => ([(axum::http::header::CONTENT_TYPE, "image/png")], png).into_response(),
            Err(_) => (
                axum::http::StatusCode::INTERNAL_SERVER_ERROR,
                "social image render failed",
            )
                .into_response(),
        };
    }