axum_kit/
config.rs

1use crate::{general::GeneralConfig, logger::LoggerConfig};
2use anyhow::Result;
3use serde::Deserialize;
4
5#[cfg(feature = "postgres")]
6use crate::postgres::PostgresConfig;
7
8#[cfg(feature = "redis")]
9use crate::redis::RedisConfig;
10
11macro_rules! deserialize_with_context {
12    ($name:ident, $type:ty, $context:expr) => {
13        fn $name<'de, D>(deserializer: D) -> std::result::Result<$type, D::Error>
14        where
15            D: serde::Deserializer<'de>,
16        {
17            let config = <$type>::deserialize(deserializer)
18                .map_err(|e| serde::de::Error::custom(format!("{}: {}", $context, e)))?;
19            Ok(config)
20        }
21    };
22}
23
24deserialize_with_context!(deserialize_general_config, GeneralConfig, "[general]");
25deserialize_with_context!(deserialize_logger_config, LoggerConfig, "[logger]");
26
27#[cfg(feature = "postgres")]
28deserialize_with_context!(deserialize_postgres_config, PostgresConfig, "[postgres]");
29
30#[cfg(feature = "redis")]
31deserialize_with_context!(deserialize_redis_config, RedisConfig, "[redis]");
32
33#[derive(Debug, Deserialize)]
34pub struct Config {
35    #[serde(deserialize_with = "deserialize_general_config")]
36    pub general: GeneralConfig,
37    #[serde(deserialize_with = "deserialize_logger_config")]
38    pub logger: LoggerConfig,
39
40    #[cfg(feature = "postgres")]
41    #[serde(deserialize_with = "deserialize_postgres_config")]
42    pub postgres: PostgresConfig,
43
44    #[cfg(feature = "redis")]
45    #[serde(deserialize_with = "deserialize_redis_config")]
46    pub redis: RedisConfig,
47}
48
49pub fn load_config(name: &str) -> Result<Config> {
50    let config = ::config::Config::builder()
51        .add_source(config::File::with_name(name))
52        .build()?
53        .try_deserialize()?;
54    Ok(config)
55}
axum_kit/config.rs

axum_kit/
config.rs
