feat: initial implementation of qsv Easy installer for Windows

src-tauri/src/lib.rs

@@ -0,0 +1,56 @@
+use tauri::Manager;
+use tempfile::tempfile;
+use winreg::{enums::HKEY_CURRENT_USER, RegKey};
+
+#[tauri::command]
+fn run_path_update(app_handle: tauri::AppHandle) {
+    // Get app local data dir path
+    let app_local_data_dir = app_handle.path().app_local_data_dir().unwrap();
+    // Download qsv to bin dir if it doesn't exist and overwrite any existing qsv
+    // Get the version of qsv
+    let latest_release_endpoint = "https://api.github.com/repos/dathere/qsv/releases/latest";
+    let client = reqwest::blocking::Client::new();
+    let res = client
+        .get(latest_release_endpoint)
+        .header(reqwest::header::USER_AGENT, "qsv easy installer")
+        .send()
+        .unwrap()
+        .json::<serde_json::Value>()
+        .unwrap();
+    let release_version = res.get("name").unwrap().as_str().unwrap();
+    // Download the zip file temporarily then extract the relevant qsvp file (we use qsvp instead of qsv for the broadest compatibility)
+    let zip_download_url = format!("https://github.com/dathere/qsv/releases/download/{release_version}/qsv-{release_version}-x86_64-pc-windows-msvc.zip");
+    let mut temp_zip_file = tempfile().unwrap();
+    reqwest::blocking::get(zip_download_url)
+        .unwrap()
+        .copy_to(&mut temp_zip_file)
+        .unwrap();
+    let mut zip = zip::ZipArchive::new(temp_zip_file).unwrap();
+    let mut qsvp = zip.by_name("qsvp.exe").unwrap();
+    // Create a bin folder in app_local_data_dir if it doesn't exist
+    let bin_dir = app_local_data_dir.join("bin");
+    if !std::path::Path::exists(&bin_dir) {
+        std::fs::create_dir(&bin_dir).unwrap();
+    }
+    // Write qsvp.exe to bin/qsv.exe
+    let mut qsv_file = std::fs::File::create(bin_dir.join("qsv.exe")).unwrap();
+    std::io::copy(&mut qsvp, &mut qsv_file).unwrap();
+    // Add the bin dir to PATH
+    let bin_dir_str = bin_dir.to_str().unwrap();
+    // Get the current PATH
+    let hkcu = RegKey::predef(HKEY_CURRENT_USER);
+    let (reg_key, _) = hkcu.create_subkey("Environment").unwrap();
+    let path_var: String = reg_key.get_value("Path").unwrap();
+    // Add bin dir to PATH
+    let updated_path_var = format!("{bin_dir_str};{path_var}");
+    reg_key.set_value("Path", &updated_path_var).unwrap();
+}
+
+#[cfg_attr(mobile, tauri::mobile_entry_point)]
+pub fn run() {
+    tauri::Builder::default()
+        .plugin(tauri_plugin_opener::init())
+        .invoke_handler(tauri::generate_handler![run_path_update])
+        .run(tauri::generate_context!())
+        .expect("error while running tauri application");
+}