feat: using system locale when not confiugred

Cargo.toml

@@ -27,6 +27,7 @@ tracing-subscriber = { version = "0.3.15", default-features = false, features =
 colored = "2.0.0"
 time = { version = "0.3.11", features = ["macros", "local-offset"] }
 chrono = "0.4.19"
+sys-locale = "0.2.1"
 # rust-i18n = "0.6.1"
 # rust-i18n = { path = "libs/rust-i18n" }
 rust-i18n = { branch = "main", git = "https://github.com/Itsusinn/rust-i18n.git"}
@@ -35,6 +36,7 @@ serde = { version = "1.0.140", default-features = false, features = ["derive","r
 serde_json = "1.0.82"
 serde_yaml = "0.8.26"
 
+
 # asynchronous
 tokio = { version = "1.20.0", default-features = false, features = ["macros","signal","rt-multi-thread"] }
 tokio-util = "0.7.3"

locales/en-US.yml

@@ -6,3 +6,4 @@ en-US:
   log.boot-sucess: "MesagistoTG activation successful."
   log.log-callback-error: "An error occurred in the Teloxide dispatcher."
   log.shutdown: "MesagistoTG is about to close."
+  log.locale-not-configured: "Localization option is not set, system language preference %{locale_} will be used"

locales/zh-CN.yml

@@ -5,4 +5,5 @@ zh-CN:
   log.boot-start: "信使TG正在启动, version: v%{version}"
   log.boot-sucess: "信使TG启动成功"
   log.log-callback-error: "Teloxide调度器发生错误"
-  log.shutdown: "TG信使即将关闭"
+  log.shutdown: "TG信使即将关闭"
+  log.locale-not-configured: "本地化选项未设置, 将使用系统语言偏好 %{locale_}"

src/command.rs

@@ -8,7 +8,10 @@ use teloxide::{
 use crate::{bot::BotRequester, config::CONFIG, message::handlers};
 
 #[derive(BotCommands, Clone)]
-#[command(rename = "lowercase", description = "MesagistoTG supports following commands")]
+#[command(
+  rename = "lowercase",
+  description = "MesagistoTG supports following commands"
+)]
 pub enum Command {
   #[command(description = "About")]
   About,

src/config.rs

@@ -8,7 +8,7 @@ use dashmap::DashMap;
 pub struct Config {
   #[educe(Default = false)]
   pub enable: bool,
-  #[educe(Default = "en-US")]
+  #[educe(Default = "")]
   pub locale: ArcStr,
   // A-z order
   pub bindings: DashMap<i64, ArcStr>,

src/dispatch.rs

@@ -31,9 +31,9 @@ pub async fn start(bot: &BotRequester) {
   // info!(target: TARGET,"TG信使启动成功");
   info!(target: TARGET, "{}", t!("log.boot-sucess"));
   Dispatcher::builder(bot.clone(), handler)
-    .error_handler(LoggingErrorHandler::with_custom_text(
-      t!("log.log-callback-error"),
-    ))
+    .error_handler(LoggingErrorHandler::with_custom_text(t!(
+      "log.log-callback-error"
+    )))
     .build()
     .dispatch()
     .await;

src/main.rs

@@ -50,7 +50,14 @@ async fn main() -> Result<()> {
 
 async fn run() -> Result<()> {
   Config::reload().await?;
-  rust_i18n::set_locale(&CONFIG.locale);
+  if &CONFIG.locale !=  "" {
+    rust_i18n::set_locale(&CONFIG.locale);
+  } else {
+    use sys_locale::get_locale;
+    let locale = get_locale().unwrap_or_else(|| String::from("en-US")).replace("_", "-");
+    rust_i18n::set_locale(&locale);
+    info!(target:TARGET, "{}", t!("log.locale-not-configured",locale_ = &locale));
+  }
   if !CONFIG.enable {
     warn!(target: TARGET, "{}", t!("log.not-enable"));
     warn!(target: TARGET, "{}", t!("log.not-enable-helper"));
@@ -95,6 +102,6 @@ async fn run() -> Result<()> {
   });
   tokio::signal::ctrl_c().await?;
   CONFIG.save().await.expect("保存配置文件失败");
-  info!(target: TARGET,"{}",t!("log.shutdown"));
+  info!(target: TARGET, "{}", t!("log.shutdown"));
   Ok(())
 }