90 lines
2.5 KiB
Rust
90 lines
2.5 KiB
Rust
use byte_unit::Byte;
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use config::{self, ConfigError};
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use std::path::PathBuf;
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/// Configuration values.
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#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
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pub struct Config {
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/// Server configuration.
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pub server: ServerConfig,
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/// Paste configuration.
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pub paste: PasteConfig,
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}
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/// Server configuration.
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#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
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pub struct ServerConfig {
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/// The socket address to bind.
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pub address: String,
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/// Number of workers to start.
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pub workers: Option<usize>,
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/// Maximum content length.
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pub max_content_length: Byte,
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/// Storage path.
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pub upload_path: PathBuf,
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}
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/// Paste configuration.
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#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
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pub struct PasteConfig {
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/// Pet names configuration.
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pub pet_names: PetNamesConfig,
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/// Random string configuration.
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pub random: RandomConfig,
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/// Default file extension.
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pub default_extension: String,
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}
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/// Pet names configuration.
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#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
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pub struct PetNamesConfig {
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/// Use pet names instead of original file names.
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pub enabled: bool,
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/// Count of words that pet name will include.
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pub words: u8,
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/// Separator between the words.
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pub separator: String,
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}
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/// Random string configuration.
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#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
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pub struct RandomConfig {
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/// Use random strings instead of original file names.
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pub enabled: bool,
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/// Length of the random string to generate.
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pub length: usize,
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}
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impl Config {
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/// Parses the config file and returns the values.
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pub fn parse(file_name: &str) -> Result<Config, ConfigError> {
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let mut config = config::Config::default();
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config
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.merge(config::File::with_name(file_name))?
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.merge(config::Environment::with_prefix(env!("CARGO_PKG_NAME")).separator("__"))?;
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config.try_into()
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}
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}
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#[cfg(test)]
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mod test {
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use super::*;
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use std::env;
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#[test]
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fn test_parse_config() -> Result<(), ConfigError> {
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let file_name = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
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.join("config.toml")
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.to_str()
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.unwrap()
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.to_string();
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env::set_var(
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format!("{}_SERVER__ADDRESS", env!("CARGO_PKG_NAME")),
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"0.0.1.1",
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);
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let config = Config::parse(&file_name)?;
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assert_eq!("0.0.1.1", config.server.address);
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Ok(())
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}
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}
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