[Refactor] Move configuration reading to the config module

src/config.rs

@@ -1,3 +1,5 @@
+use std::fs;
+
 use serde::Deserialize;
 
 #[derive(Deserialize, Copy, Clone)]
@@ -8,6 +10,21 @@ pub struct Config {
 
 #[derive(Deserialize)]
 #[serde(rename_all = "kebab-case")]
-pub struct CompleteConfig {
+struct CompleteConfig {
-    pub seasonal_clock: Config,
+    seasonal_clock: Config,
+}
+
+pub fn get_config() -> Option<Config> {
+    let xdg_dirs = xdg::BaseDirectories::new().unwrap();
+    let config_path = xdg_dirs
+        .place_config_file("seasonal-clock.toml")
+        .expect("cannot create configuration directory");
+    let data: std::io::Result<String> = fs::read_to_string(config_path);
+
+    if let Ok(..) = data {
+        let complete_config: CompleteConfig = toml::from_str(&data.unwrap()).unwrap();
+        Some(complete_config.seasonal_clock)
+    } else {
+        None
+    }
 }

src/main.rs

@@ -1,7 +1,5 @@
 extern crate smithay_client_toolkit as sctk;
 
-use std::fs;
-
 use calloop::{timer::Timer, EventLoop};
 use sctk::reexports::client::protocol::{wl_shm, wl_surface};
 use sctk::shm::AutoMemPool;
@@ -11,23 +9,13 @@ use svg::node::element::path::Data as PathData;
 mod config;
 mod svg_clock;
 
-use config::{CompleteConfig, Config};
+use config::{get_config, Config};
 use svg_clock::{cache_hour_name_paths, gen_svg, svg_to_usvg};
 
 sctk::default_environment!(SeasonalClock, desktop);
 
 fn main() {
-    let xdg_dirs = xdg::BaseDirectories::new().unwrap();
+    let config = get_config();
-    let config_path = xdg_dirs
-        .place_config_file("seasonal-clock.toml")
-        .expect("cannot create configuration directory");
-    let data: std::io::Result<String> = fs::read_to_string(config_path);
-    let config: Option<Config> = if let Ok(..) = data {
-        let complete_config: CompleteConfig = toml::from_str(&data.unwrap()).unwrap();
-        Some(complete_config.seasonal_clock)
-    } else {
-        None
-    };
 
     let (env, display, queue) = sctk::new_default_environment!(SeasonalClock, desktop)
         .expect("Unable to connect to a Wayland compositor");