feat: initial implementation of qsv Easy installer for Windows

src-tauri/.gitignore

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+# Generated by Cargo
+# will have compiled files and executables
+/target/
+
+# Generated by Tauri
+# will have schema files for capabilities auto-completion
+/gen/schemas

src-tauri/Cargo.toml

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+[package]
+name = "qsv-easy-installer"
+version = "0.1.0"
+description = "An easy installer for Windows devices to download the latest release of qsv and access it from PATH."
+authors = ["datHere"]
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+# The `_lib` suffix may seem redundant but it is necessary
+# to make the lib name unique and wouldn't conflict with the bin name.
+# This seems to be only an issue on Windows, see https://github.com/rust-lang/cargo/issues/8519
+name = "qsv_easy_installer_lib"
+crate-type = ["staticlib", "cdylib", "rlib"]
+
+[build-dependencies]
+tauri-build = { version = "2", features = [] }
+
+[dependencies]
+tauri = { version = "2", features = [] }
+tauri-plugin-opener = "2"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+reqwest = { version = "0.12.15", features = ["blocking", "json"] }
+tempfile = "3.19.1"
+zip = "2.6.1"
+winreg = "0.55.0"

src-tauri/build.rs

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+fn main() {
+    tauri_build::build()
+}

src-tauri/capabilities/default.json

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+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "default",
+  "description": "Capability for the main window",
+  "windows": ["main"],
+  "permissions": [
+    "core:default",
+    "opener:default"
+  ]
+}

src-tauri/src/lib.rs

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+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");
+}

src-tauri/src/main.rs

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+// Prevents additional console window on Windows in release, DO NOT REMOVE!!
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+fn main() {
+    qsv_easy_installer_lib::run()
+}

src-tauri/tauri.conf.json

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+{
+  "$schema": "https://schema.tauri.app/config/2",
+  "productName": "qsv-easy-installer",
+  "version": "0.1.0",
+  "identifier": "com.qsv-easy-installer.app",
+  "build": {
+    "beforeDevCommand": "bun run dev",
+    "devUrl": "http://localhost:1420",
+    "beforeBuildCommand": "bun run build",
+    "frontendDist": "../dist"
+  },
+  "app": {
+    "windows": [
+      {
+        "title": "qsv Easy installer for Windows",
+        "width": 800,
+        "height": 600
+      }
+    ],
+    "security": {
+      "csp": null
+    }
+  },
+  "bundle": {
+    "active": true,
+    "targets": "all",
+    "icon": [
+      "icons/32x32.png",
+      "icons/128x128.png",
+      "icons/128x128@2x.png",
+      "icons/icon.icns",
+      "icons/icon.ico"
+    ]
+  }
+}