86 lines
2.4 KiB
Rust
86 lines
2.4 KiB
Rust
#![feature(proc_macro_hygiene, decl_macro)]
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#[macro_use]
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extern crate diesel;
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pub mod db;
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pub mod routes;
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pub mod schema;
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use std::ops::Deref;
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use axum;
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use bb8::PooledConnection;
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use bb8_diesel::{self, DieselConnectionManager};
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use diesel::PgConnection;
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use axum::{
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async_trait,
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extract::{Extension, FromRequest, RequestParts},
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http::StatusCode,
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routing::{get, post},
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AddExtensionLayer, Router,
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};
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type ConnectionPool = bb8::Pool<DieselConnectionManager<PgConnection>>;
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pub async fn api() -> Router {
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let database_url = "postgresql://planetwars:planetwars@localhost/planetwars";
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let manager = DieselConnectionManager::<PgConnection>::new(database_url);
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let pool = bb8::Pool::builder().build(manager).await.unwrap();
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let api = Router::new()
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.route("/register", post(routes::users::register))
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.route("/login", post(routes::users::login))
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.route("/users/me", get(routes::users::current_user))
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.route("/bots", post(routes::bots::create_bot))
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.route("/bots/my_bots", get(routes::bots::get_my_bots))
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.route("/bots/:bot_id", get(routes::bots::get_bot))
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.route("/bots/:bot_id/upload", post(routes::bots::upload_bot_code))
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.layer(AddExtensionLayer::new(pool));
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api
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}
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pub async fn app() -> Router {
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let api = api().await;
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Router::new().nest("/api", api)
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}
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// we can also write a custom extractor that grabs a connection from the pool
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// which setup is appropriate depends on your application
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pub struct DatabaseConnection(PooledConnection<'static, DieselConnectionManager<PgConnection>>);
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impl Deref for DatabaseConnection {
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type Target = PooledConnection<'static, DieselConnectionManager<PgConnection>>;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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#[async_trait]
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impl<B> FromRequest<B> for DatabaseConnection
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where
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B: Send,
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{
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type Rejection = (StatusCode, String);
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async fn from_request(req: &mut RequestParts<B>) -> Result<Self, Self::Rejection> {
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let Extension(pool) = Extension::<ConnectionPool>::from_request(req)
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.await
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.map_err(internal_error)?;
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let conn = pool.get_owned().await.map_err(internal_error)?;
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Ok(Self(conn))
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}
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}
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/// Utility function for mapping any error into a `500 Internal Server Error`
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/// response.
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fn internal_error<E>(err: E) -> (StatusCode, String)
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where
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E: std::error::Error,
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{
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(StatusCode::INTERNAL_SERVER_ERROR, err.to_string())
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}
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