mirror of https://github.com/rwf2/Rocket.git
95 lines
2.6 KiB
Rust
95 lines
2.6 KiB
Rust
#![feature(plugin, custom_derive, const_fn)]
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#![plugin(rocket_codegen)]
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extern crate rocket;
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#[macro_use] extern crate diesel;
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#[macro_use] extern crate diesel_codegen;
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#[macro_use] extern crate serde_derive;
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extern crate rocket_contrib;
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extern crate r2d2;
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extern crate r2d2_diesel;
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mod static_files;
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mod task;
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mod db;
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#[cfg(test)] mod tests;
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use rocket::Rocket;
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use rocket::request::{Form, FlashMessage};
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use rocket::response::{Flash, Redirect};
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use rocket_contrib::Template;
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use task::{Task, Todo};
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#[derive(Debug, Serialize)]
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struct Context<'a, 'b>{ msg: Option<(&'a str, &'b str)>, tasks: Vec<Task> }
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impl<'a, 'b> Context<'a, 'b> {
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pub fn err(conn: &db::Conn, msg: &'a str) -> Context<'static, 'a> {
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Context{msg: Some(("error", msg)), tasks: Task::all(conn)}
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}
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pub fn raw(conn: &db::Conn, msg: Option<(&'a str, &'b str)>) -> Context<'a, 'b> {
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Context{msg: msg, tasks: Task::all(conn)}
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}
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}
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#[post("/", data = "<todo_form>")]
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fn new(todo_form: Form<Todo>, conn: db::Conn) -> Flash<Redirect> {
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let todo = todo_form.into_inner();
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if todo.description.is_empty() {
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Flash::error(Redirect::to("/"), "Description cannot be empty.")
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} else if Task::insert(todo, &conn) {
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Flash::success(Redirect::to("/"), "Todo successfully added.")
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} else {
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Flash::error(Redirect::to("/"), "Whoops! The server failed.")
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}
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}
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#[put("/<id>")]
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fn toggle(id: i32, conn: db::Conn) -> Result<Redirect, Template> {
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if Task::toggle_with_id(id, &conn) {
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Ok(Redirect::to("/"))
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} else {
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Err(Template::render("index", &Context::err(&conn, "Couldn't toggle task.")))
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}
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}
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#[delete("/<id>")]
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fn delete(id: i32, conn: db::Conn) -> Result<Flash<Redirect>, Template> {
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if Task::delete_with_id(id, &conn) {
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Ok(Flash::success(Redirect::to("/"), "Todo was deleted."))
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} else {
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Err(Template::render("index", &Context::err(&conn, "Couldn't delete task.")))
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}
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}
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#[get("/")]
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fn index(msg: Option<FlashMessage>, conn: db::Conn) -> Template {
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Template::render("index", &match msg {
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Some(ref msg) => Context::raw(&conn, Some((msg.name(), msg.msg()))),
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None => Context::raw(&conn, None),
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})
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}
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fn rocket() -> (Rocket, Option<db::Conn>) {
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let pool = db::init_pool();
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let conn = if cfg!(test) {
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Some(db::Conn(pool.get().expect("database connection for testing")))
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} else {
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None
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};
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let rocket = rocket::ignite()
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.manage(pool)
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.mount("/", routes![index, static_files::all])
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.mount("/todo/", routes![new, toggle, delete])
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.attach(Template::fairing());
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(rocket, conn)
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}
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fn main() {
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rocket().0.launch();
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}
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