src/config.rs

   1 use std::{fs::File, time};
   2
   3 use anyhow::Result;
   4 use ron::{
   5     de::from_reader,
   6     ser::{to_writer_pretty, PrettyConfig},
   7 };
   8 use serde::{Deserialize, Serialize};
   9
  10 #[derive(Debug, Clone, Deserialize, Serialize)]
  11 pub struct Config {
  12     pub pub_keys: Vec<String>,
  13 }
  14
  15 impl Config {
  16     pub fn default() -> Self {
  17         Config { pub_keys: vec![] }
  18     }
  19
  20     pub fn read(file_path: &str) -> Result<Config> {
  21         match File::open(file_path) {
  22             Ok(file) => from_reader(file).map_err(|e| e.into()),
  23             // The file doesn't exit -> create it with default values.
  24             Err(_) => {
  25                 let file = File::create(file_path)?;
  26                 let default_config = Config::default();
  27                 to_writer_pretty(file, &default_config, PrettyConfig::new())?;
  28                 Ok(default_config)
  29             }
  30         }
  31     }
  32 }