dango_core/music_controller/
config.rs

1use std::path::PathBuf;
2use std::fs::read_to_string;
3use std::fs;
4
5use serde::{Deserialize, Serialize};
6
7use crate::music_tracker::music_tracker::LastFM;
8
9#[derive(Serialize, Deserialize)]
10pub struct Config {
11    pub db_path: Box<PathBuf>,
12    pub lastfm: Option<LastFM>,
13}
14
15impl Config {
16    // Creates and saves a new config with default values
17    pub fn new(config_file: &PathBuf) -> std::io::Result<Config> {
18        let path = PathBuf::from("./music_database.db3");
19        
20        let config = Config {
21            db_path: Box::new(path),
22            lastfm: None,
23        };
24        config.save(config_file)?;
25        
26        Ok(config)
27    }
28
29    // Loads config from given file path
30    pub fn from(config_file: &PathBuf) -> std::result::Result<Config, toml::de::Error> {
31        return toml::from_str(&read_to_string(config_file)
32            .expect("Failed to initalize music config: File not found!"));
33    }
34    
35    // Saves config to given path
36    // Saves -> temp file, if successful, removes old config, and renames temp to given path
37    pub fn save(&self, config_file: &PathBuf) -> std::io::Result<()> {
38        let toml = toml::to_string_pretty(self).unwrap();
39        
40        let mut temp_file = config_file.clone();
41        temp_file.set_extension("tomltemp");
42        
43        fs::write(&temp_file, toml)?;
44
45        // If configuration file already exists, delete it
46        match fs::metadata(config_file) {
47            Ok(_) => fs::remove_file(config_file)?,
48            Err(_) => {},
49        }
50
51        fs::rename(temp_file, config_file)?;
52        Ok(())
53    }
54}
dango_core/music_controller/config.rs

dango_core/music_controller/
config.rs
