Add custom keybind config

src/config.rs

@@ -1,3 +1,5 @@
+use std::path::PathBuf;
+
 use serde::Deserialize;
 
 const APP_DIR_NAME: &str = "serie";
@@ -13,6 +15,7 @@ const DEFAULT_DETAIL_DATE_FORMAT: &str = "%Y-%m-%d %H:%M:%S %z";
 pub struct Config {
     #[serde(default)]
     pub ui: UiConfig,
+    pub custom_keybind_path: Option<PathBuf>,
 }
 
 #[derive(Debug, Default, Clone, PartialEq, Eq, Deserialize)]

src/keybind.rs

@@ -1,7 +1,9 @@
 use crate::event::UserEvent;
 use serde::{de::Deserializer, Deserialize};
 use std::collections::HashMap;
+use std::fs;
 use std::ops::{Deref, DerefMut};
+use std::path::PathBuf;
 
 use ratatui::crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
 
@@ -25,10 +27,22 @@ impl DerefMut for KeyBind {
 }
 
 impl KeyBind {
-    pub fn new() -> Result<Self, ()> {
-        let keybind: KeyBind =
+    pub fn new(custom_keybind_path: Option<PathBuf>) -> Result<Self, ()> {
+        let mut keybind: KeyBind =
             toml::from_str(DEFAULT_KEY_BIND).expect("default key bind should be correct");
-        // TODO: let user patch key bind here
+
+        if let Some(custom_keybind_path) = custom_keybind_path {
+            let custom_keybind_content: String =
+                fs::read_to_string(custom_keybind_path).expect("custom keybind not found");
+            let mut custom_keybind: KeyBind =
+                toml::from_str(&custom_keybind_content).expect("custom key bind should be correct");
+            for (key_event, user_event) in custom_keybind.drain() {
+                if let Some(_old_user_event) = keybind.insert(key_event, user_event) {
+                    // log!("{key_event}: {_old_user_event} -> {user_event}")
+                }
+            }
+        }
+
         Ok(keybind)
     }
 

src/lib.rs

@@ -100,8 +100,9 @@ fn initialize_panic_handler() {
 pub fn run() -> std::io::Result<()> {
     color_eyre::install().unwrap();
     let args = Args::parse();
-    let config = config::Config::load();
-    let key_bind = keybind::KeyBind::new().expect("default key bind should work");
+    let mut config = config::Config::load();
+    let key_bind = keybind::KeyBind::new(config.custom_keybind_path.take())
+        .expect("default key bind should work");
 
     let color_set = color::ColorSet::default();
     let image_protocol = args.protocol.into();