Add base server

geneit_backend/Cargo.toml

@@ -6,5 +6,10 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+log = "0.4.17"
+env_logger = "0.10.0"
 clap = { version = "4.3.0", features = ["derive", "env"] }
-diesel = { version = "2.0.4", features = ["postgres"] }
+lazy_static = "1.4.0"
+actix-web = "4.3.1"
+diesel = { version = "2.0.4", features = ["postgres"] }
+serde = { version = "1.0.163", features = ["derive"] }

geneit_backend/migrations/2023-05-24-102711_create_users/up.sql

@@ -1,6 +1,7 @@
 -- Create table
 CREATE TABLE users (
     id SERIAL PRIMARY KEY,
+    name VARCHAR(30) NOT NULL,
     email VARCHAR(255) NOT NULL,
     password VARCHAR NULL,
     reset_password_token VARCHAR(150) NULL,

geneit_backend/src/app_config.rs

@@ -0,0 +1,43 @@
+use clap::Parser;
+
+/// GeneIT backend API
+#[derive(Parser, Debug, Clone)]
+#[clap(author, version, about, long_about = None)]
+pub struct AppConfig {
+    /// Listen address
+    #[clap(short, long, env, default_value = "0.0.0.0:8000")]
+    pub listen_address: String,
+
+    /// Website origin
+    #[clap(short, long, env, default_value = "http://localhost:3000")]
+    pub website_origin: String,
+
+    /// Proxy IP, might end with a star "*"
+    #[clap(short, long, env)]
+    pub proxy_ip: Option<String>,
+
+    /// PostgreSQL connexion chain
+    #[clap(long, env, default_value = "postgres://localhost/geneit")]
+    db_chain: String,
+
+    /// PostgreSQL username
+    #[clap(long, env, default_value = "user")]
+    db_username: String,
+
+    /// PostgreSQL password
+    #[clap(long, env, default_value = "user")]
+    db_password: String,
+}
+
+lazy_static::lazy_static! {
+    static ref ARGS: AppConfig = {
+        AppConfig::parse()
+    };
+}
+
+impl AppConfig {
+    /// Get parsed command line arguments
+    pub fn get() -> &'static AppConfig {
+        &ARGS
+    }
+}

geneit_backend/src/constants.rs

@@ -0,0 +1,28 @@
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct SizeConstraint {
+    min: usize,
+    max: usize,
+}
+
+impl SizeConstraint {
+    pub fn new(min: usize, max: usize) -> Self {
+        Self { min, max }
+    }
+}
+
+#[derive(Debug, Clone, serde::Serialize)]
+pub struct StaticConstraints {
+    pub mail_len: SizeConstraint,
+    pub user_name_len: SizeConstraint,
+    pub password_len: SizeConstraint,
+}
+
+impl Default for StaticConstraints {
+    fn default() -> Self {
+        Self {
+            mail_len: SizeConstraint::new(5, 255),
+            user_name_len: SizeConstraint::new(3, 30),
+            password_len: SizeConstraint::new(8, 255),
+        }
+    }
+}

geneit_backend/src/controllers.rs

@@ -0,0 +1 @@
+pub mod config_controller;

geneit_backend/src/controllers/config_controller.rs

@@ -0,0 +1,17 @@
+use crate::constants::StaticConstraints;
+use actix_web::{HttpResponse, Responder};
+
+/// Default hello route
+pub async fn home() -> impl Responder {
+    HttpResponse::Ok().json("GeneIT API service.")
+}
+
+#[derive(Debug, Clone, serde::Serialize, Default)]
+struct StaticConfig {
+    constraints: StaticConstraints,
+}
+
+/// Get static configuration
+pub async fn static_config() -> impl Responder {
+    HttpResponse::Ok().json(StaticConfig::default())
+}

geneit_backend/src/lib.rs

@@ -0,0 +1,4 @@
+pub mod app_config;
+pub mod constants;
+pub mod controllers;
+pub mod schema;

geneit_backend/src/main.rs

@@ -1,3 +1,23 @@
-fn main() {
-    println!("Hello, world!");
+use actix_web::{web, App, HttpServer};
+use geneit_backend::app_config::AppConfig;
+use geneit_backend::controllers::config_controller;
+
+#[actix_web::main]
+async fn main() -> std::io::Result<()> {
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    log::info!("Start to listen on {}", AppConfig::get().listen_address);
+
+    HttpServer::new(|| {
+        App::new()
+            // Config controller
+            .route("/", web::get().to(config_controller::home))
+            .route(
+                "/config/static",
+                web::get().to(config_controller::static_config),
+            )
+    })
+    .bind(AppConfig::get().listen_address.as_str())?
+    .run()
+    .await
 }

geneit_backend/src/schema.rs

@@ -3,6 +3,7 @@
 diesel::table! {
     users (id) {
         id -> Int4,
+        name -> Varchar,
         email -> Varchar,
         password -> Nullable<Varchar>,
         reset_password_token -> Nullable<Varchar>,