restructure folders

templating/sailfish/Cargo.toml

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+[package]
+name = "template_sailfish"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+actix-web = "4.0.0-rc.3"
+actix-web-lab = "0.10"
+env_logger = "0.9"
+log = "0.4"
+sailfish = "0.3"

templating/sailfish/README.md

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+# Sailfish
+
+This is an example of how to use Actix Web with the [Sailfish](https://sailfish.netlify.app/) templating language.
+
+## Usage
+
+```bash
+cd template_engines/sailfish
+cargo run
+```
+
+After starting the server, you may visit the following pages:
+
+- http://localhost:8080/page-1
+- http://localhost:8080/page-678
+- http://localhost:8080/Username

templating/sailfish/src/main.rs

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+use actix_web::{
+    error, get,
+    middleware::{Compress, Logger},
+    web, App, HttpServer, Responder,
+};
+use actix_web_lab::respond::Html;
+use sailfish::TemplateOnce;
+
+#[derive(TemplateOnce)]
+#[template(path = "actix.stpl")]
+struct Greet<'a> {
+    name: &'a str,
+}
+
+#[derive(TemplateOnce)]
+#[template(path = "page.stpl")]
+struct Page<'a> {
+    id: &'a i32,
+}
+
+#[get("/{name}")]
+async fn greet(params: web::Path<(String,)>) -> actix_web::Result<impl Responder> {
+    let body = Greet { name: &params.0 }
+        .render_once()
+        .map_err(error::ErrorInternalServerError)?;
+
+    Ok(Html(body))
+}
+
+#[get("/page-{id:\\d+}")]
+async fn page(params: web::Path<(i32,)>) -> actix_web::Result<impl Responder> {
+    let body = Page { id: &params.0 }
+        .render_once()
+        .map_err(error::ErrorInternalServerError)?;
+
+    Ok(Html(body))
+}
+
+#[get("/")]
+async fn hello() -> impl Responder {
+    Html("<p>Hello world!</p>".to_string())
+}
+
+#[actix_web::main]
+async fn main() -> std::io::Result<()> {
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    log::info!("starting HTTP server at http://localhost:8080");
+
+    HttpServer::new(|| {
+        App::new()
+            .service(hello)
+            .service(page)
+            .service(greet)
+            .wrap(Compress::default())
+            .wrap(Logger::default())
+    })
+    .bind(("127.0.0.1", 8080))?
+    .workers(1)
+    .run()
+    .await
+}

templating/sailfish/templates/actix.stpl

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+Hello user, <%= name %>!!!

templating/sailfish/templates/page.stpl

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+Page id is <%= id %>!!!