Start implementing matrix chat integration

Implement auto-login for element-web

appinfo/routes.php

@@ -12,5 +12,10 @@ return [
 			'verb' => 'OPTIONS',
 			'requirements' => ['path' => '.+'],
 		],
+		[
+			'name' => 'ticket_api#fetch_chat',
+			'url' => '/api/v1/tickets/{id}/chat',
+			'verb' => 'GET',
+		],
 	],
 ];

extra/element-config.json

@@ -0,0 +1,40 @@
+{
+	"default_server_config": {
+		"m.homeserver": {
+			"base_url": "http://localhost:8008",
+			"server_name": "synapse"
+		},
+		"m.identity_server": {
+		}
+	},
+	"disable_custom_urls": false,
+	"disable_guests": true,
+	"disable_login_language_selector": false,
+	"disable_3pid_login": false,
+	"brand": "Element",
+	"integrations_ui_url": "",
+	"integrations_rest_url": "",
+	"integrations_widgets_urls": [],
+	"bug_report_endpoint_url": "https://element.io/bugreports/submit",
+	"uisi_autorageshake_app": "element-auto-uisi",
+	"defaultCountryCode": "DE",
+	"showLabsSettings": false,
+	"features": { },
+	"default_federate": true,
+	"default_theme": "light",
+	"roomDirectory": {
+		"servers": [
+		]
+	},
+	"piwik": {
+	},
+	"enable_presence_by_hs_url": {
+	},
+	"settingDefaults": {
+		"breadcrumbs": true
+	},
+	"jitsi": {
+		"preferredDomain": "meet.element.io"
+	},
+	"map_style_url": "https://api.maptiler.com/maps/streets/style.json?key=fU3vlMsMn4Jb6dnEIFsx"
+}

lib/Controller/TicketApiController.php

@@ -3,25 +3,48 @@
 namespace OCA\UPschooling\Controller;
 
 use OCA\UPschooling\AppInfo\Application;
+use OCA\UPschooling\Db\TicketMapper;
+use OCA\UPschooling\Service\MatrixService;
 use OCA\UPschooling\Service\TicketService;
 use OCP\AppFramework\ApiController;
 use OCP\AppFramework\Http\DataResponse;
 use OCP\IRequest;
+use Psr\Log\LoggerInterface;
+use Punic\Data;
 
 class TicketApiController extends ApiController
 {
+
+	/** @var LoggerInterface */
+	private $logger;
+
 	/** @var TicketService */
-	private $service;
+	private $ticketService;
+
+	/** @var MatrixService */
+	private $matrixService;
+
+	/** @var TicketMapper */
+	private $ticketMapper;
 
 	/** @var string */
 	private $userId;
 
 	use Errors;
 
-	public function __construct(IRequest $request, TicketService $service, $userId)
+	public function __construct(
-	{
+		IRequest        $request,
+		LoggerInterface $logger,
+		TicketService   $ticketService,
+		TicketMapper    $ticketMapper,
+		MatrixService   $matrixService,
+		string          $userId
+	) {
 		parent::__construct(Application::APP_ID, $request);
-		$this->service = $service;
+		$this->logger = $logger;
+		$this->ticketService = $ticketService;
+		$this->ticketMapper = $ticketMapper;
+		$this->matrixService = $matrixService;
 		$this->userId = $userId;
 	}
 
@@ -30,7 +53,7 @@ class TicketApiController extends ApiController
 	 */
 	public function index(): DataResponse
 	{
-		return new DataResponse($this->service->findAll($this->userId));
+		return new DataResponse($this->ticketService->findAll($this->userId));
 	}
 
 	/**
@@ -39,7 +62,24 @@ class TicketApiController extends ApiController
 	public function show(int $id): DataResponse
 	{
 		return $this->handleNotFound(function () use ($id) {
-			return $this->service->find($id, $this->userId);
+			return $this->ticketService->find($id, $this->userId);
+		});
+	}
+
+	/**
+	 * @NoAdminRequired
+	 */
+	public function fetchChat(int $id): DataResponse
+	{
+		return $this->handleNotFound(function () use ($id) {
+			$matrixUser = $this->ticketService->getOrCreateUser($this->userId);
+			$ticket = $this->ticketMapper->findForUser($id, $matrixUser);
+			$this->logger->debug("fetchChat found matrix data for room " . $ticket->getMatrixRoom());
+			return array(
+				'matrixRoom' => $ticket->getMatrixRoom(), // FIXME: wrong room, create one for helper and user
+				'matrixAccessToken' => $matrixUser->getMatrixToken(),
+				'matrixServerUrl' => $this->matrixService->getServerUrl(),
+			);
 		});
 	}
 
@@ -48,7 +88,7 @@ class TicketApiController extends ApiController
 	 */
 	public function create(string $title, string $content): DataResponse
 	{
-		return new DataResponse($this->service->create($title, $content, $this->userId));
+		return new DataResponse($this->ticketService->create($title, $content, $this->userId));
 	}
 
 	/**
@@ -56,13 +96,13 @@ class TicketApiController extends ApiController
 	 */
 	public function update(int $id): DataResponse
 	{
-		return new DataResponse($this->service->assign($id, $this->userId));
+		return new DataResponse($this->ticketService->assign($id, $this->userId));
 	}
 
 	public function destroy(int $id): DataResponse
 	{
 		return $this->handleNotFound(function () use ($id) {
-			return $this->service->delete($id, $this->userId);
+			return $this->ticketService->delete($id, $this->userId);
 		});
 	}
 }

lib/Db/MatrixUser.php

@@ -10,7 +10,8 @@ class MatrixUser extends Entity implements JsonSerializable {
 	protected $matrixUser;
 	protected $matrixToken;
 
-	public function jsonSerialize(): array {
+	public function jsonSerialize(): array
+	{
 		return [
 			'id' => $this->id,
 			'userId' => $this->userId,

lib/Service/MatrixService.php

@@ -56,7 +56,7 @@ class MatrixService
 		);
 		$this->serverUrl = $this->config->getSystemValueString(
 			"upschooling.matrix_server_url",
-			"http://synapse:8008"
+			"http://localhost:8008"
 		);
 		$this->server = $this->config->getSystemValueString(
 			"upschooling.matrix_server",
@@ -216,6 +216,14 @@ class MatrixService
 		return $roomId;
 	}
 
+	/**
+	 * @return string the public matrix server url.
+	 */
+	public function getServerUrl(): string
+	{
+		return $this->serverUrl;
+	}
+
 	private function checkRateLimit()
 	{
 		$fullSuperuserId = "@" . $this->superuser . ":" . $this->server;

lib/Service/TicketService.php

@@ -104,7 +104,7 @@ class TicketService {
 	}
 
 	/**
-	 * matrixTicketContent has all the syncronized  data
+	 * matrixTicketContent has all the synchronized data
 	 * @param MatrixTicket $ticket the database object.
 	 * @return array a JSON serializable representation of the resolved ticket, for the frontend.
 	 */
@@ -144,7 +144,7 @@ class TicketService {
 	 * @throws MultipleObjectsReturnedException
 	 * @throws \OCP\DB\Exception
 	 */
-	private function getOrCreateUser(string $userId): MatrixUser
+	public function getOrCreateUser(string $userId): MatrixUser
 	{
 		try {
 			return $this->userMapper->find($userId);

run.sh

@@ -139,6 +139,7 @@ $CONTAINER_RUNTIME run -d \
     --name=elementweb \
     "--network=container:$($CONTAINER_RUNTIME inspect --format "{{.Id}}" nextcloud)" \
     -v "$DIR/extra/element-web-nginx.conf:/etc/nginx/conf.d/default.conf" \
+    -v "$DIR/extra/element-config.json:/app/config.json" \
     --hostname elementweb \
     docker.io/vectorim/element-web
 

src/App.vue

@@ -64,7 +64,7 @@ export default {
 			}).catch(console.error)
 			axios.get(
 				'api/v1/tickets/1',
-				{ headers: { 'Content-Type': 'application/json', Accept: 'application/json' } },
+				{ headers: { Accept: 'application/json' } },
 			).catch(console.error)
 			axios.put(
 				'api/v1/tickets/1',

src/Ticket.vue

@@ -18,12 +18,18 @@
 			{{ t('upschooling', 'Speichern') }}
 		</button>
 		<hr>
-		<div class="placeholder" />
+		<iframe id="element-web-frame"
+			src="about:blank"
+			title="Embedded Element Web"
+			width="100%"
+			height="400" />
 	</div>
 </template>
 
 <script>
 import KeyValueTable from './components/KeyValueTable'
+import axios from '@nextcloud/axios'
+
 export default {
 	name: 'Ticket',
 	components: { KeyValueTable },
@@ -40,6 +46,20 @@ export default {
 			description: this.ticket.description,
 		}
 	},
+	mounted() {
+		/** @type {HTMLIFrameElement} */
+		const elementWebFrame = document.getElementById('element-web-frame')
+		this.loadChat(elementWebFrame).catch((err) => {
+			console.error('Could not load Element Web in iframe', err)
+			elementWebFrame.src = 'about:blank'
+			elementWebFrame.onload = function() {
+				const textElement = elementWebFrame.contentDocument.createElement('strong')
+				textElement.innerText = 'Element Web konnte nicht geladen werden.'
+				elementWebFrame.contentDocument.body.appendChild(textElement)
+				elementWebFrame.onload = undefined
+			}
+		})
+	},
 	methods: {
 		toLocaleDate(timestamp) {
 			const date = new Date(timestamp)
@@ -53,6 +73,58 @@ export default {
 		back() {
 			this.$emit('show-ticket-list')
 		},
+
+		async loadChat(elementWebFrame) {
+			const matrixInfoResponse = await axios.get(
+				`api/v1/tickets/${this.ticket.ticketId}/chat`,
+				{ headers: { Accept: 'application/json' } },
+			)
+			if (matrixInfoResponse.status !== 200) {
+				throw Error(`Received unexpected status code ${matrixInfoResponse.status} for fetching matrix chat data`)
+			}
+			if (!matrixInfoResponse.data) {
+				throw Error('Did not receive any matrix chat data')
+			}
+			if (typeof matrixInfoResponse.data !== 'object') {
+				throw Error('Unexpected return value for fetching matrix chat data')
+			}
+
+			const loginPromise = new Promise(function(resolve, reject) {
+				const tryLogin = (elementWebFrame, matrixInfo, round) => {
+					if (elementWebFrame.contentWindow.mxLoginWithAccessToken === undefined) {
+						console.warn('Couldn\'t login in round ' + round)
+						setTimeout(() => {
+							tryLogin(elementWebFrame, matrixInfo, round + 1)
+						}, 1000)
+					} else {
+						elementWebFrame.contentWindow.mxLoginWithAccessToken(
+							matrixInfo.matrixServerUrl,
+							matrixInfo.matrixAccessToken,
+						).then(resolve).catch(reject)
+					}
+				}
+
+				elementWebFrame.onload = function() {
+					elementWebFrame.onload = undefined
+					tryLogin(elementWebFrame, matrixInfoResponse.data, 1)
+				}
+			})
+
+			// load Element Web
+			elementWebFrame.src = '/upschooling/element-web/'
+
+			loginPromise.then(() => {
+				console.warn('LOGGED IN')
+				elementWebFrame.contentWindow.mxDispatcher.dispatch({
+					action: 'view_home_page',
+					justRegistered: false,
+				})
+				elementWebFrame.contentWindow.mxDispatcher.dispatch({
+					action: 'view_room',
+					room_id: matrixInfoResponse.data.matrixRoom,
+				})
+			}).catch(console.error)
+		},
 	},
 }
 </script>