tauri-plugins-workspace/plugins/notification/src/commands.rs

// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: MIT

use tauri::{command, plugin::PermissionState, AppHandle, Runtime, State};

use crate::{Notification, NotificationData, Result};

#[command]
pub(crate) async fn is_permission_granted<R: Runtime>(
    _app: AppHandle<R>,
    notification: State<'_, Notification<R>>,
) -> Result<Option<bool>> {
    let state = notification.permission_state()?;
    match state {
        PermissionState::Granted => Ok(Some(true)),
        PermissionState::Denied => Ok(Some(false)),
        PermissionState::Prompt | PermissionState::PromptWithRationale => Ok(None),
    }
}

#[command]
pub(crate) async fn request_permission<R: Runtime>(
    _app: AppHandle<R>,
    notification: State<'_, Notification<R>>,
) -> Result<PermissionState> {
    notification.request_permission()
}

#[command]
pub(crate) async fn notify<R: Runtime>(
    _app: AppHandle<R>,
    notification: State<'_, Notification<R>>,
    options: NotificationData,
) -> Result<()> {
    let mut builder = notification.builder();
    builder.data = options;
    builder.show()
}