jana_sessions_webpage/config/src/main.rs

use config::SessionConfig;
use serde::Serialize;
use std::env;
use std::fs::File;
use std::path::Path;

fn main() {
  let out_dir = env::var_os("TRUNK_STAGING_DIR").unwrap_or("target".into());

  create_config(
    "session_config",
    &out_dir,
    &SessionConfig {
      motd: "Proben Dienstags um 18:30 Uhr und Sonntags um 10:00 Uhr".to_string(),
    },
  )
}

fn create_config<T, P>(name: &str, out_dir: P, default_config: &T)
where
  T: Serialize,
  P: AsRef<Path>,
{
  //TODO return, if config already exists and is up to date
  let out_path = out_dir.as_ref().join(format!("{name}.json"));
  let out_file = File::create(&out_path).unwrap();
  serde_json::to_writer_pretty(out_file, default_config).unwrap();
}