From 179d594b131e461e87ea2129ac6e3adbcbf7ef8f Mon Sep 17 00:00:00 2001
From: Marcel Klehr <mklehr@gmx.net>
Date: Wed, 18 Dec 2024 10:34:39 +0100
Subject: [PATCH] enh: Integrate with ContextChat

---
 lib/AppInfo/Application.php            |  6 ++
 lib/ContextChat/ContentProvider.php    | 97 ++++++++++++++++++++++++++
 lib/Controller/ZammadAPIController.php | 11 +++
 lib/Service/ZammadAPIService.php       | 10 +++
 4 files changed, 124 insertions(+)
 create mode 100644 lib/ContextChat/ContentProvider.php

diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index 8b75655..a8077dd 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -34,6 +34,8 @@ class Application extends App implements IBootstrap {
 	public const APP_ID = 'integration_zammad';
 	private IConfig $config;
 
+	public static $contextChatEnabled = false;
+
 	public function __construct(array $urlParams = []) {
 		parent::__construct(self::APP_ID, $urlParams);
 
@@ -50,6 +52,10 @@ public function register(IRegistrationContext $context): void {
 
 		$context->registerReferenceProvider(ZammadReferenceProvider::class);
 		$context->registerEventListener(RenderReferenceEvent::class, ZammadReferenceListener::class);
+		if (class_exists('\OCA\ContextChat\Public\IContentProvider')) {
+			self::$contextChatEnabled = true;
+			$context->registerEventListener(\OCA\ContextChat\Event\ContentProviderRegisterEvent::class, \OCA\Zammad\ContextChat\ContentProvider::class);
+		}
 	}
 
 	public function boot(IBootContext $context): void {
diff --git a/lib/ContextChat/ContentProvider.php b/lib/ContextChat/ContentProvider.php
new file mode 100644
index 0000000..fdeae48
--- /dev/null
+++ b/lib/ContextChat/ContentProvider.php
@@ -0,0 +1,97 @@
+<?php
+
+namespace OCA\Zammad\ContextChat;
+
+use OCA\ContextChat\Event\ContentProviderRegisterEvent;
+use OCA\ContextChat\Public\ContentItem;
+use OCA\ContextChat\Public\ContentManager;
+use OCA\ContextChat\Public\IContentProvider;
+use OCA\ContextChat\Public\UpdateAccessOp;
+use OCA\Zammad\AppInfo\Application;
+use OCA\Zammad\Service\ZammadAPIService;
+use OCP\EventDispatcher\Event;
+use OCP\IConfig;
+
+class ContentProvider implements IContentProvider {
+
+	public function __construct(
+		private IConfig $config,
+		private ZammadAPIService $zammadAPIService,
+		private ?string $userId,
+		private ContentManager $contentManager,
+	) {
+
+	}
+
+	public const ID = 'integration_zammad:tickets';
+
+	public function handle(Event $event): void {
+		if (!$event instanceof ContentProviderRegisterEvent) {
+			return;
+		}
+		$event->registerContentProvider(Application::APP_ID, self::ID, self::class);
+}
+
+	/**
+	 * The ID of the provider
+	 *
+	 * @return string
+	 * @since 1.1.0
+	 */
+	public function getId(): string {
+		return self::ID;
+	}
+
+	/**
+	 * The ID of the app making the provider avaialble
+	 *
+	 * @return string
+	 * @since 1.1.0
+	 */
+	public function getAppId(): string {
+		return Application::APP_ID;
+	}
+
+	/**
+	 * The absolute URL to the content item
+	 *
+	 * @param string $id
+	 * @return string
+	 * @since 1.1.0
+	 */
+	public function getItemUrl(string $id): string {
+		$adminZammadOauthUrl = $this->config->getAppValue(Application::APP_ID, 'oauth_instance_url');
+		$zammadUrl = $this->config->getUserValue($this->userId, Application::APP_ID, 'url') ?: $adminZammadOauthUrl;
+		return $zammadUrl . '/#ticket/zoom/' . $id;
+	}
+
+	/**
+	 * Starts the initial import of content items into content chat
+	 *
+	 * @return void
+	 * @since 1.1.0
+	 */
+	public function triggerInitialImport(): void {
+	}
+
+	public function importTicket($id) {
+		$ticketInfo = $this->zammadAPIService->getTicketInfo($this->userId, (int)$id);
+		$item = new ContentItem(
+			(string)$id,
+			$this->getId(),
+			$ticketInfo['title'],
+			$this->getContentOfTicket($id),
+			'Ticket',
+			new \DateTime($ticketInfo['updated_at']),
+			[$this->userId]
+		);
+		$this->contentManager->updateAccess(Application::APP_ID, self::ID, $id, UpdateAccessOp::ALLOW, [$this->userId]);
+		$this->contentManager->updateAccessProvider(Application::APP_ID, self::ID, UpdateAccessOp::ALLOW, [$this->userId]);
+		$this->contentManager->submitContent(Application::APP_ID, [$item]);
+	}
+
+	public function getContentOfTicket($id): string {
+		return array_reduce($this->zammadAPIService->getArticlesByTicket($this->userId, (int)$id), fn($agg, array $article) => $agg . $article['from'] . ":\n\n" . $article['body'] . "\n\n", '');
+	}
+
+}
\ No newline at end of file
diff --git a/lib/Controller/ZammadAPIController.php b/lib/Controller/ZammadAPIController.php
index 1e493c7..f36aed3 100644
--- a/lib/Controller/ZammadAPIController.php
+++ b/lib/Controller/ZammadAPIController.php
@@ -85,6 +85,7 @@ public function getNotifications(?string $since = null): DataResponse {
 			return new DataResponse('', Http::STATUS_BAD_REQUEST);
 		}
 		$result = $this->zammadAPIService->getNotifications($this->userId, $since, 7);
+		$this->importTicketsToContextChat($result);
 		if (!isset($result['error'])) {
 			$response = new DataResponse($result);
 		} else {
@@ -93,4 +94,14 @@ public function getNotifications(?string $since = null): DataResponse {
 		return $response;
 	}
 
+	private function importTicketsToContextChat(array $notifications): void {
+		if (!Application::$contextChatEnabled) {
+			return;
+		}
+		$contentProvider = \OCP\Server::get('OCA\Zammad\ContextChat\ContentProvider');
+		foreach($notifications as $notification) {
+			$contentProvider->importTicket($notification['o_id']);
+		}
+	}
+
 }
diff --git a/lib/Service/ZammadAPIService.php b/lib/Service/ZammadAPIService.php
index 6efebf3..230c5d3 100644
--- a/lib/Service/ZammadAPIService.php
+++ b/lib/Service/ZammadAPIService.php
@@ -435,6 +435,16 @@ public function getOrganizationInfo(string $userId, int $zammadOrgId): array {
 		return $this->request($userId, 'organizations/' . $zammadOrgId);
 	}
 
+	/**
+	 * @param string|null $userId
+	 * @param int $ticketId
+	 * @return array
+	 * @throws Exception
+	 */
+	public function getArticlesByTicket(?string $userId, int $ticketId): array {
+		return $this->request($userId, 'ticket_articles/by_ticket/' . $ticketId);
+	}
+
 	/**
 	 * @param string $userId
 	 * @param string $endPoint