1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
use std::fs::File;
use std::io::Read;
use serde_derive::Deserialize;
use tracing::error;
#[derive(Deserialize)]
pub struct Config {
pub bot_token: String,
pub log_file: String,
pub db_file: String,
pub listen: String,
pub log_level: String,
}
impl Config {
// Read config file. Panic if any error occurs.
pub fn from_file(file_path: &str) -> Config {
let mut file = File::open(file_path)
.unwrap_or_else(|err| {
error!("Cannot open config file {}: {:?}", file_path, err);
panic!("Cannot open config file {}: {:?}", file_path, err);
});
let mut config = String::new();
file.read_to_string(&mut config)
.unwrap_or_else(|err| {
error!("Cannot read config file {}: {:?}.", file_path, err);
panic!("Cannot read config file {}: {:?}.", file_path, err);
});
return serde_json::from_str(config.as_str()).unwrap_or_else(|err| {
error!("Cannot decode config file: {:?}.", err);
panic!("Cannot decode config file: {:?}.", err);
});
}
}
|
