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use std::{collections::BTreeMap, fs::File, io::read_to_string, path::Path};
use rss::{Category, Cloud, Image, TextInput, extension::{Extension, dublincore::DublinCoreExtension, itunes::ITunesChannelExtension, syndication::SyndicationExtension}};
use serde::Deserialize;
#[derive(Deserialize)]
pub struct Config {
pub subscriptions_path: Option<String>,
#[serde(default)]
pub title: String,
pub link: String,
pub description: String,
pub language: Option<String>,
pub copyright: Option<String>,
pub managing_editor: Option<String>,
pub webmaster: Option<String>,
#[serde(default)]
pub categories: Vec<Category>,
pub cloud: Option<Cloud>,
pub ttl: Option<String>,
pub image: Option<Image>,
pub text_input: Option<TextInput>,
#[serde(default)]
pub skip_hours: Vec<String>,
#[serde(default)]
pub skip_days: Vec<String>,
#[serde(default)]
pub extensions: BTreeMap<String, BTreeMap<String, Vec<Extension>>>,
pub itunes_ext: Option<ITunesChannelExtension>,
pub dublin_core_ext: Option<DublinCoreExtension>,
pub syndication_ext: Option<SyndicationExtension>,
#[serde(default)]
pub namespaces: BTreeMap<String, String>,
}
pub fn default_config_file_locations() -> Vec<String> {
let mut default_config_file_locations = vec![
String::from("/etc/rss-aggregator/config.toml"),
];
let config_dir = dirs::config_dir()
.and_then(|config_dir| config_dir.into_string().ok());
if let Some(config_dir) = config_dir {
default_config_file_locations.push(format!("{config_dir}/rss-aggregator/config.toml"));
};
default_config_file_locations
}
impl Config {
pub fn parse_config_file_at_path(path: &str) -> anyhow::Result<Config> {
let path = Path::new(path);
let file = File::open(path)?;
let contents = read_to_string(file)?;
Ok(toml::from_str(&contents)?)
}
pub fn find_config() -> Option<(Config, String)> {
for path in default_config_file_locations() {
if let Ok(config) = Self::parse_config_file_at_path(&path) {
return Some((config, path));
};
};
None
}
}
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