.

.env

@@ -0,0 +1 @@
+DATABASE_URL=postgres://postgres:hugo123@localhost/karldbauth

Cargo.toml

@@ -11,7 +11,7 @@ actix-web = "2.0.0"
 actix-web-httpauth = { git = "https://github.com/actix/actix-web-httpauth" }
 chrono = { version = "0.4.10", features = ["serde"] }
 derive_more = "0.99.2"
-diesel = { version = "1.4.2", features = ["postgres","uuidv07", "r2d2", "chrono"] }
+diesel = { version = "1.4.2", features = ["postgres", "uuidv07", "r2d2", "chrono"] }
 dotenv = "0.15.0"
 futures = "0.3.1"
 r2d2 = "0.8.8"

diesel.toml

@@ -0,0 +1,5 @@
+# For documentation on how to configure this file,
+# see diesel.rs/guides/configuring-diesel-cli
+
+[print_schema]
+file = "src/schema.rs"

migrations/00000000000000_diesel_initial_setup/down.sql

@@ -0,0 +1,6 @@
+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+DROP FUNCTION IF EXISTS diesel_manage_updated_at(_tbl regclass);
+DROP FUNCTION IF EXISTS diesel_set_updated_at();

migrations/00000000000000_diesel_initial_setup/up.sql

@@ -0,0 +1,36 @@
+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+
+
+
+-- Sets up a trigger for the given table to automatically set a column called
+-- `updated_at` whenever the row is modified (unless `updated_at` was included
+-- in the modified columns)
+--
+-- # Example
+--
+-- ```sql
+-- CREATE TABLE users (id SERIAL PRIMARY KEY, updated_at TIMESTAMP NOT NULL DEFAULT NOW());
+--
+-- SELECT diesel_manage_updated_at('users');
+-- ```
+CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$
+BEGIN
+    EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s
+                    FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl);
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$
+BEGIN
+    IF (
+        NEW IS DISTINCT FROM OLD AND
+        NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at
+    ) THEN
+        NEW.updated_at := current_timestamp;
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;

src/handlers.rs

@@ -0,0 +1,17 @@
+use actix_web::Responder;
+
+pub async fn get_users() -> impl Responder {
+    format!("hello from get users")
+}
+
+pub async fn get_user_by_id() -> impl Responder {
+    format!("hello from get users by id")
+}
+
+pub async fn add_user() -> impl Responder {
+    format!("hello from add user")
+}
+
+pub async fn delete_user() -> impl Responder {
+    format!("hello from delete user")
+}

src/main.rs

@@ -1,3 +1,36 @@
-fn main() {
-    println!("Hello, world!");
+#[macro_use]
+extern crate diesel;
+
+use actix_web::{dev::ServiceRequest, web, App, Error, HttpServer};
+use diesel::prelude::*;
+use diesel::r2d2::{self, ConnectionManager};
+
+mod errors;
+mod handlers;
+mod models;
+
+pub type Pool = r2d2::Pool<ConnectionManager<PgConnection>>;
+
+#[actix_rt::main]
+async fn main() -> std::io::Result<()> {
+    dotenv::dotenv().ok();
+    std::env::set_var("RUST_LOG", "actix_web=debug");
+    let database_url = std::env::var("DATABASE_URL").expect("DATABASE_URL must be set");
+
+    let manager = ConnectionManager::<PgConnection>::new(database_url);
+    let pool: Pool = r2d2::Pool::builder()
+        .build(manager)
+        .expect("Failed to create pool.");
+
+    HttpServer::new(move || {
+        App::new()
+            .data(pool.clone())
+            .route("/users", web::get().to(handlers::get_users))
+            .route("/users/{id}", web::get().to(handlers::get_user_by_id))
+            .route("/users", web::post().to(handlers::add_user))
+            .route("/users/{id}", web::delete().to(handlers::delete_user))
+    })
+    .bind("127.0.0.1:8080")?
+    .run()
+    .await
 }