feat(i18n): add i18n support

server/src/control/ads.rs

@@ -15,11 +15,12 @@ use super::ControlService;
 // 此广告拉取不涉及用户隐私，用户id随机产生
 // 开源项目广告为作者唯一收入来源，PR时请勿去除此广告
 
-pub(super) const ADS_ENDPOINT: &str = "http://127.0.0.1:8080/api/v1/ads?placement=menu";
+pub(super) const ADS_ENDPOINT: &str = "https://tab.leokun.cn/api/v1/ads?placement=menu";
 pub(super) const DEVICE_ID_HEADER: &str = "X-Cursor-Assistant-Device-ID";
 pub(super) const OS_HEADER: &str = "X-Cursor-Assistant-OS";
 pub(super) const APP_VERSION_HEADER: &str = "X-Cursor-Assistant-Version";
 pub(super) const DISABLED_AD_IDS_HEADER: &str = "disable-ad-ids";
+pub(super) const LANGUAGE_HEADER: &str = "accept-language";
 
 #[derive(Clone, Debug, Deserialize, Serialize)]
 pub struct AdRuntime {
@@ -121,7 +122,19 @@ pub async fn get(
     let disabled_ad_ids = headers
         .get(DISABLED_AD_IDS_HEADER)
         .and_then(|value| value.to_str().ok());
-    Ok(Json(service.ads(disabled_ad_ids).await?))
+    Ok(Json(
+        service.ads(disabled_ad_ids, ad_language(&headers)).await?,
+    ))
+}
+
+fn ad_language(headers: &HeaderMap) -> &'static str {
+    match headers
+        .get(LANGUAGE_HEADER)
+        .and_then(|value| value.to_str().ok())
+    {
+        Some(value) if value.eq_ignore_ascii_case("zh-CN") => "zh-CN",
+        _ => "en-US",
+    }
 }
 
 pub async fn dismiss(
@@ -137,6 +150,16 @@ pub async fn dismiss(
 mod tests {
     use super::*;
 
+    #[test]
+    fn accepts_supported_ad_language_and_falls_back_to_english() {
+        let mut headers = HeaderMap::new();
+        headers.insert(LANGUAGE_HEADER, "zh-CN".parse().unwrap());
+        assert_eq!(ad_language(&headers), "zh-CN");
+
+        headers.insert(LANGUAGE_HEADER, "fr-FR".parse().unwrap());
+        assert_eq!(ad_language(&headers), "en-US");
+    }
+
     #[test]
     fn filters_disabled_slots_without_limiting_menu_ads() {
         let slot = |id: &str, enabled| AdSlot {

server/src/control/mod.rs

@@ -185,6 +185,7 @@ fn desktop_cors() -> CorsLayer {
         .allow_methods([Method::GET, Method::POST, Method::PUT, Method::DELETE])
         .allow_headers([
             CONTENT_TYPE,
+            header::ACCEPT_LANGUAGE,
             header::HeaderName::from_static("disable-ad-ids"),
         ])
 }

server/src/control/service.rs

@@ -7,7 +7,7 @@ use url::Url;
 
 use super::ads::{
     AdDismissalInput, AdRuntime, ADS_ENDPOINT, APP_VERSION_HEADER, DEVICE_ID_HEADER,
-    DISABLED_AD_IDS_HEADER, OS_HEADER,
+    DISABLED_AD_IDS_HEADER, LANGUAGE_HEADER, OS_HEADER,
 };
 
 use crate::{
@@ -83,7 +83,11 @@ impl ControlService {
         &self.cursor_harness
     }
 
-    pub(super) async fn ads(&self, disabled_ad_ids: Option<&str>) -> Result<AdRuntime> {
+    pub(super) async fn ads(
+        &self,
+        disabled_ad_ids: Option<&str>,
+        language: &str,
+    ) -> Result<AdRuntime> {
         let client = crate::network::client(&self.store).await?;
         let installation_id = self.store.installation_id().await?;
         let mut request = client
@@ -91,6 +95,7 @@ impl ControlService {
             .header(DEVICE_ID_HEADER, installation_id)
             .header(OS_HEADER, std::env::consts::OS)
             .header(APP_VERSION_HEADER, env!("CARGO_PKG_VERSION"))
+            .header(LANGUAGE_HEADER, language)
             .timeout(std::time::Duration::from_secs(5));
         if let Some(disabled_ad_ids) = disabled_ad_ids.filter(|value| !value.is_empty()) {
             request = request.header(DISABLED_AD_IDS_HEADER, disabled_ad_ids);