Function get_user

databases/mongodb/src/main.rs:27–37

(client: web::Data<Client>, username: web::Path<String>)

/// Gets the user with the supplied username.
#[get("/get_user/{username}")]
async fn get_user(client: web::Data<Client>, username: web::Path<String>) -> HttpResponse {
    let username = username.into_inner();
    let collection: Collection<User> = client.database(DB_NAME).collection(COLL_NAME);
    match collection.find_one(doc! { "username": &username }).await {
        Ok(Some(user)) => HttpResponse::Ok().json(user),
        Ok(None) => {
            HttpResponse::NotFound().body(format!("No user found with username {username}"))
        }
        Err(err) => HttpResponse::InternalServerError().body(err.to_string()),
    }
}

/// Creates an index on the "username" field to force the values to be unique.
async fn create_username_index(client: &Client) {