refactor: rewrite

gpgui/src-tauri/.gitignore

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+# Generated by Cargo
+# will have compiled files and executables
+/target/

gpgui/src-tauri/Cargo.toml

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+[package]
+name = "app"
+version = "0.1.0"
+description = "A Tauri App"
+authors = ["you"]
+license = ""
+repository = ""
+default-run = "app"
+edition = "2021"
+rust-version = "1.59"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[build-dependencies]
+tauri-build = { version = "1.2.1", features = [] }
+
+[dependencies]
+serde_json = "1.0"
+serde = { version = "1.0", features = ["derive"] }
+tauri = { version = "1.2.4", features = ["http-all"] }
+common = { path = "../../common" }
+
+[features]
+# by default Tauri runs in production mode
+# when `tauri dev` runs it is executed with `cargo run --no-default-features` if `devPath` is an URL
+default = [ "custom-protocol" ]
+# this feature is used for production builds where `devPath` points to the filesystem
+# DO NOT remove this
+custom-protocol = [ "tauri/custom-protocol" ]

gpgui/src-tauri/build.rs

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

gpgui/src-tauri/src/main.rs

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+#![cfg_attr(
+    all(not(debug_assertions), target_os = "windows"),
+    windows_subsystem = "windows"
+)]
+
+use common::{Client, ServerApiError, VpnStatus};
+use serde::Serialize;
+use std::sync::Arc;
+use tauri::{Manager, State};
+
+#[tauri::command]
+async fn vpn_status<'a>(client: State<'a, Arc<Client>>) -> Result<VpnStatus, ServerApiError> {
+    client.status().await
+}
+
+#[tauri::command]
+async fn vpn_connect<'a>(
+    server: String,
+    cookie: String,
+    client: State<'a, Arc<Client>>,
+) -> Result<(), ServerApiError> {
+    client.connect(server, cookie).await
+}
+
+#[tauri::command]
+async fn vpn_disconnect<'a>(client: State<'a, Arc<Client>>) -> Result<(), ServerApiError> {
+    client.disconnect().await
+}
+
+#[derive(Debug, Clone, Serialize)]
+struct StatusPayload {
+    status: VpnStatus,
+}
+
+fn setup(app: &mut tauri::App) -> Result<(), Box<dyn std::error::Error>> {
+    let client = Arc::new(Client::default());
+    let client_clone = client.clone();
+    let app_handle = app.handle();
+
+    tauri::async_runtime::spawn(async move {
+        let _ = client_clone.subscribe_status(move |status| {
+            let payload = StatusPayload { status };
+            if let Err(err) = app_handle.emit_all("vpn-status-received", payload) {
+                println!("Error emmiting event: {}", err);
+            }
+        });
+
+        let _ = client_clone.run().await;
+    });
+
+    app.manage(client);
+    Ok(())
+}
+
+fn main() {
+    tauri::Builder::default()
+        .setup(setup)
+        .invoke_handler(tauri::generate_handler![
+            vpn_status,
+            vpn_connect,
+            vpn_disconnect
+        ])
+        .run(tauri::generate_context!())
+        .expect("error while running tauri application");
+}

gpgui/src-tauri/tauri.conf.json

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+{
+  "$schema": "../node_modules/@tauri-apps/cli/schema.json",
+  "build": {
+    "beforeBuildCommand": "pnpm build",
+    "beforeDevCommand": "pnpm dev",
+    "devPath": "http://localhost:5173",
+    "distDir": "../dist"
+  },
+  "package": {
+    "productName": "gpgui",
+    "version": "0.1.0"
+  },
+  "tauri": {
+    "allowlist": {
+      "http": {
+        "all": true,
+        "request": true,
+        "scope": ["https://**"]
+      }
+    },
+    "bundle": {
+      "active": true,
+      "category": "DeveloperTool",
+      "copyright": "",
+      "deb": {
+        "depends": []
+      },
+      "externalBin": [],
+      "icon": [
+        "icons/32x32.png",
+        "icons/128x128.png",
+        "icons/128x128@2x.png",
+        "icons/icon.icns",
+        "icons/icon.ico"
+      ],
+      "identifier": "com.tauri.dev",
+      "longDescription": "",
+      "macOS": {
+        "entitlements": null,
+        "exceptionDomain": "",
+        "frameworks": [],
+        "providerShortName": null,
+        "signingIdentity": null
+      },
+      "resources": [],
+      "shortDescription": "",
+      "targets": "all",
+      "windows": {
+        "certificateThumbprint": null,
+        "digestAlgorithm": "sha256",
+        "timestampUrl": ""
+      }
+    },
+    "security": {
+      "csp": null
+    },
+    "updater": {
+      "active": false
+    },
+    "windows": [
+      {
+        "fullscreen": false,
+        "height": 360,
+        "resizable": false,
+        "title": "GlobalProtect",
+        "width": 260
+      }
+    ]
+  }
+}