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#[macro_use]
extern crate diesel;
#[macro_use]
extern crate diesel_migrations;
use std::str::FromStr;
use anyhow::Context;
use actix_web::{web, App, HttpServer, HttpResponse, Responder, Result};
mod db;
mod model;
mod schema;
use crate::db::DbPool;
embed_migrations!("migrations");
#[derive(Debug, serde::Deserialize)]
pub struct PersonCreateRequestData {
name: String,
age: i32,
country: String,
city: String,
street: String,
number: i32,
}
#[derive(Debug, serde::Serialize)]
pub struct PersonCreateResponse {
id: i32
}
async fn create_person(db: web::Data<DbPool>, person: web::Json<PersonCreateRequestData>) -> impl Responder {
log::debug!("Creating person = {:?}", person);
let inner = |db: &DbPool, person: &PersonCreateRequestData| {
let country = crate::model::Country::create_or_fetch(&db, &person.country)?;
let city = crate::model::City::create_or_fetch(&db, &person.city)?;
let street = crate::model::Street::create_or_fetch(&db, &person.street)?;
let address = crate::model::Address::create_or_fetch(&db, &country, &city, &street, person.number)?;
let person = crate::model::Person::create_or_fetch(&db, &address, &person.name, person.age)?;
Ok(person.id())
};
inner(&db, &person)
.map_err(|anyhow_error: anyhow::Error| {
log::error!("{}", anyhow_error);
HttpResponse::build(actix_web::http::StatusCode::INTERNAL_SERVER_ERROR).finish()
})
.map(|id| HttpResponse::Ok().json(PersonCreateResponse { id }))
}
#[actix_web::main]
async fn main() -> anyhow::Result<()> {
env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
let bind = std::env::var("HOST").expect("environment: HOST variable not set");
let port = std::env::var("PORT")
.as_ref()
.map(|p| u16::from_str(p))
.expect("environment: PORT variable not set")
.context("Failed to parse port as integer")?;
let db_connection_pool = crate::db::establish_connection();
{
let conn = db_connection_pool.get().expect("Failed to get connection from pool");
embedded_migrations::run_with_output(&conn, &mut std::io::stdout())?;
} // drop `conn` here
HttpServer::new(move || {
App::new()
.data(db_connection_pool.clone())
.route("/create", web::post().to(create_person))
})
.bind(format!("{}:{}", bind, port))?
.run()
.await
.map_err(anyhow::Error::from)
}
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