55 lines
1.5 KiB
Rust
55 lines
1.5 KiB
Rust
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use std::fs::{read_to_string, write};
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#[derive(serde::Serialize, serde::Deserialize)]
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pub struct Configuration {
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pub concurrency: usize,
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pub database_url: String,
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}
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impl Default for Configuration {
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fn default() -> Self {
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let database_url = if cfg!(test) {
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"postgres://postgres@localhost:5432/jirs_test".to_string()
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} else {
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std::env::var("DATABASE_URL")
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.unwrap_or_else(|_| "postgres://postgres@localhost:5432/jirs".to_string())
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};
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Self {
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concurrency: 2,
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database_url,
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}
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}
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}
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impl Configuration {
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pub fn read() -> Self {
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let _ = std::fs::create_dir_all("./config");
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let contents: String = read_to_string(Self::config_file()).unwrap_or_default();
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match toml::from_str(contents.as_str()) {
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Ok(config) => config,
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_ => {
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let config = Configuration::default();
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config.write().unwrap_or_else(|e| panic!(e));
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config
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}
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}
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}
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pub fn write(&self) -> Result<(), String> {
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let _ = std::fs::create_dir_all("./config");
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let s = toml::to_string(self).map_err(|e| e.to_string())?;
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write(Self::config_file(), s.as_str()).map_err(|e| e.to_string())?;
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Ok(())
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}
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#[cfg(not(test))]
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pub fn config_file() -> &'static str {
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"./config/db.toml"
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}
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#[cfg(test)]
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pub fn config_file() -> &'static str {
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"./config/db.test.toml"
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}
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}
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