Implement dashboard panel

Signed-off-by: Julius Härtl <[email protected]>

lib/AppInfo/Application.php

@@ -41,6 +41,7 @@
 use OCA\Mail\Http\Middleware\ErrorMiddleware;
 use OCA\Mail\Http\Middleware\ProvisioningMiddleware;
 use OCA\Mail\Listener\AddressCollectionListener;
+use OCA\Mail\Listener\DashboardPanelListener;
 use OCA\Mail\Listener\DeleteDraftListener;
 use OCA\Mail\Listener\DraftMailboxCreatorListener;
 use OCA\Mail\Listener\FlagRepliedMessageListener;
@@ -59,6 +60,7 @@
 use OCA\Mail\Service\UserPreferenceSevice;
 use OCP\AppFramework\App;
 use OCP\AppFramework\IAppContainer;
+use OCP\Dashboard\RegisterWidgetEvent;
 use OCP\EventDispatcher\IEventDispatcher;
 use OCP\User\Events\UserDeletedEvent;
 use OCP\Util;
@@ -115,5 +117,6 @@ private function registerEvents(IAppContainer $container): void {
 		$dispatcher->addServiceListener(SaveDraftEvent::class, DraftMailboxCreatorListener::class);
 		$dispatcher->addServiceListener(SynchronizationEvent::class, AccountSynchronizedThreadUpdaterListener::class);
 		$dispatcher->addServiceListener(UserDeletedEvent::class, UserDeletedListener::class);
+		$dispatcher->addServiceListener(RegisterWidgetEvent::class, DashboardPanelListener::class);
 	}
 }

lib/Dashboard/MailWidget.php

@@ -0,0 +1,112 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2020 Julius Härtl <[email protected]>
+ *
+ * @author Julius Härtl <[email protected]>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Mail\Dashboard;
+
+use OCA\Mail\AppInfo\Application;
+use OCA\Mail\Service\AccountService;
+use OCP\AppFramework\Services\IInitialState;
+use OCP\Dashboard\IWidget;
+use OCP\IL10N;
+use OCP\IURLGenerator;
+use OCP\Util;
+
+class MailWidget implements IWidget {
+
+	/** @var IL10N */
+	private $l10n;
+
+	/** @var IURLGenerator */
+	private $urlGenerator;
+
+	/** @var AccountService */
+	private $accountService;
+
+	/** @var IInitialState */
+	private $initialState;
+
+	/** @var string|null */
+	private $userId;
+
+	public function __construct(IL10N $l10n,
+								IURLGenerator $urlGenerator,
+								AccountService $accountService,
+								IInitialState $initialState,
+								?string $userId) {
+		$this->l10n = $l10n;
+		$this->urlGenerator = $urlGenerator;
+		$this->accountService = $accountService;
+		$this->initialState = $initialState;
+		$this->userId = $userId;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getId(): string {
+		return Application::APP_ID;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getTitle(): string {
+		return $this->l10n->t('Important mail');
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getOrder(): int {
+		return 4;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getIconClass(): string {
+		return 'icon-mail';
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getUrl(): ?string {
+		return $this->urlGenerator->getAbsoluteURL($this->urlGenerator->linkToRoute('mail.page.index'));
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function load(): void {
+		Util::addScript(Application::APP_ID, 'dashboard');
+
+		$this->initialState->provideInitialState(
+			'mail-accounts',
+			$this->accountService->findByUserId($this->userId)
+		);
+	}
+}

lib/Listener/DashboardPanelListener.php

@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2020 Julius Härtl <[email protected]>
+ *
+ * @author Julius Härtl <[email protected]>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+
+namespace OCA\Mail\Listener;
+
+use OCA\Mail\Dashboard\MailWidget;
+use OCP\Dashboard\RegisterWidgetEvent;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+
+class DashboardPanelListener implements IEventListener {
+
+	/**
+	 * @inheritDoc
+	 */
+	public function handle(Event $event): void {
+		if (!($event instanceof RegisterWidgetEvent)) {
+			return;
+		}
+
+		$event->registerWidget(MailWidget::class);
+	}
+}