src/config.rs

   1 use std::fs::File;
   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     pub smtp_relay_address: String,
  14     pub smtp_login: String,
  15     pub smtp_password: String,
  16 }
  17
  18 impl Config {
  19     pub fn default() -> Self {
  20         Config {
  21             pub_keys: vec![],
  22             smtp_relay_address: "mail.something.com".to_string(),
  23             smtp_login: "login".to_string(),
  24             smtp_password: "password".to_string(),
  25         }
  26     }
  27
  28     pub fn read(file_path: &str) -> Result<Config> {
  29         match File::open(file_path) {
  30             Ok(file) => from_reader(file).map_err(|e| e.into()),
  31             // The file doesn't exit -> create it with default values.
  32             Err(_) => {
  33                 let file = File::create(file_path)?;
  34                 let default_config = Config::default();
  35                 to_writer_pretty(file, &default_config, PrettyConfig::new())?;
  36                 Ok(default_config)
  37             }
  38         }
  39     }
  40 }