translation system

src-tauri/src/lang.rs

@@ -0,0 +1,28 @@
+
+#[tauri::command]
+pub async fn get_lang(window: tauri::Window, lang: String) -> String {
+  let lang = lang.to_lowercase();
+
+  // Send contents of language file back
+  let contents = match std::fs::read_to_string(format!("../lang/{}.json", lang)) {
+    Ok(x) => x,
+    Err(e) => {
+      emit_lang_err(window, format!("Failed to read language file: {}", e));
+      return "".to_string();
+    }
+  };
+
+  return contents;
+}
+
+
+pub fn emit_lang_err(window: tauri::Window, msg: std::string::String) {
+  let mut res_hash = std::collections::HashMap::new();
+
+  res_hash.insert(
+      "error".to_string(),
+      msg.to_string()
+  );
+
+  window.emit("lang_error", &res_hash).unwrap();
+}