potential background getting

src-tauri/src/file_helpers.rs

@@ -20,6 +20,6 @@ pub fn rename(path: String, new_name: String) {
 }
 
 #[tauri::command]
-pub fn dir_exists(path: String) -> bool {
+pub fn dir_exists(path: &str) -> bool {
   return fs::metadata(&path).is_ok();
 }

src-tauri/src/main.rs

@@ -162,8 +162,51 @@ async fn req_get(url: String) -> String {
 }
 
 #[tauri::command]
-async fn get_bg_file() -> String {
-    let query = web::query("https://api.grasscutters.xyz/cultivation/query").await;
-    let response_data: APIQuery = serde_json::from_str(&query).unwrap();
-    return response_data.backgroundFile;
+async fn get_bg_file(bg_path: String) -> String {
+  let query = web::query("https://api.grasscutters.xyz/cultivation/query").await;
+  let response_data: APIQuery = match serde_json::from_str(&query) {
+    Ok(data) => data,
+    Err(e) => {
+      println!("Failed to parse response: {}", e);
+      return "".to_string();
+    }
+  };
+  
+  let file_name = response_data.backgroundFile.to_string() + ".png";
+
+  // First we see if the file already exists in our local bg folder
+  if file_helpers::dir_exists(format!(".\\bg\\{}", file_name).as_str()) {
+    let cwd = std::env::current_dir().unwrap();
+    return format!("{}\\{}", cwd.display(), response_data.backgroundFile.as_str());
+  }
+    
+  // Now we check if the bg folder, which is one directory above the game_path, exists.
+  let bg_img_path = format!("{}\\{}", bg_path.clone().to_string(), file_name.as_str());
+
+  // If it doesn't, then we do not have backgrounds to grab.
+  if !file_helpers::dir_exists(&bg_path) {
+    return "".to_string();
+  }
+
+  // BG folder does exist, lets see if the image exists
+  if !file_helpers::dir_exists(&bg_img_path) {
+    // Image doesn't exist
+    return "".to_string();
+  }
+
+  // The image exists, lets copy it to our local \bg folder
+  let bg_img_path_local = format!(".\\bg\\{}", file_name.as_str());
+
+  match std::fs::copy(bg_img_path, bg_img_path_local) {
+    Ok(_) => {
+      // Copy was successful, lets return true
+      let cwd = std::env::current_dir().unwrap();
+      return format!("{}\\{}", cwd.display(), response_data.backgroundFile.as_str());
+    },
+    Err(e) => {
+      // Copy failed, lets return false
+      println!("Failed to copy background image: {}", e);
+      return "".to_string();
+    }
+  };
 }

src/ui/App.tsx

@@ -14,17 +14,19 @@ import DownloadList from './components/common/DownloadList'
 import Downloads from './components/menu/Downloads'
 import NewsSection from './components/news/NewsSection'
 import RightBar from './components/RightBar'
-import { setConfigOption } from '../utils/configuration'
+import { getConfigOption, setConfigOption } from '../utils/configuration'
+import { invoke } from '@tauri-apps/api'
 
 interface IProps {
-    [key: string]: never;
+  [key: string]: never;
 }
 
 interface IState {
-    isDownloading: boolean;
-    optionsOpen: boolean;
-    miniDownloadsOpen: boolean;
-    downloadsOpen: boolean;
+  isDownloading: boolean;
+  optionsOpen: boolean;
+  miniDownloadsOpen: boolean;
+  downloadsOpen: boolean;
+  bgFile: string;
 }
 
 const downloadHandler = new DownloadHandler()
@@ -37,6 +39,7 @@ class App extends React.Component<IProps, IState> {
       optionsOpen: false,
       miniDownloadsOpen: false,
       downloadsOpen: false,
+      bgFile: '',
     }
 
     listen('lang_error', (payload) => {
@@ -48,9 +51,32 @@ class App extends React.Component<IProps, IState> {
     })
   }
 
+  async componentDidMount() {
+    const game_exe = await getConfigOption('game_install_path')
+    const game_path = game_exe.substring(0, game_exe.lastIndexOf('\\'))
+    const root_path = game_path.substring(0, game_path.lastIndexOf('\\'))
+
+    if (game_path) {
+      // Get the bg by invoking, then set the background to that bg
+      const bgLoc: string = await invoke('get_bg_file', {
+        bgPath: root_path,
+      })
+
+      if (bgLoc) {
+        this.setState({
+          bgFile: bgLoc
+        })
+      }
+    }
+  }
+
   render() {
     return (
-      <div className="App">
+      <div className="App" style={
+        this.state.bgFile ? {
+          backgroundImage: `url(${this.state.bgFile})`,
+        } : {}
+      }>
         <TopBar
           optFunc={() => {
             this.setState({ optionsOpen: !this.state.optionsOpen })