From 102e8e7acc0553407147a718c3277dde6ba39f8a Mon Sep 17 00:00:00 2001
From: Joas Schilling <coding@schilljs.com>
Date: Wed, 2 Feb 2022 17:00:04 +0100
Subject: [PATCH] OCP Talk backend by the spreed app

Signed-off-by: Joas Schilling <coding@schilljs.com>
---
 lib/AppInfo/Application.php |  3 +++
 lib/OCP/Conversation.php    | 22 +++++++++++++++++
 lib/OCP/TalkBackend.php     | 49 +++++++++++++++++++++++++++++++++++++
 3 files changed, 74 insertions(+)
 create mode 100644 lib/OCP/Conversation.php
 create mode 100644 lib/OCP/TalkBackend.php

diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index f382e66526..24075635bf 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -62,6 +62,7 @@ use OCA\Talk\Middleware\CanUseTalkMiddleware;
 use OCA\Talk\Middleware\InjectionMiddleware;
 use OCA\Talk\Notification\Listener as NotificationListener;
 use OCA\Talk\Notification\Notifier;
+use OCA\Talk\OCP\TalkBackend;
 use OCA\Talk\Profile\TalkAction;
 use OCA\Talk\PublicShare\TemplateLoader as PublicShareTemplateLoader;
 use OCA\Talk\PublicShareAuth\Listener as PublicShareAuthListener;
@@ -139,6 +140,8 @@ class Application extends App implements IBootstrap {
 		$context->registerDashboardWidget(TalkWidget::class);
 
 		$context->registerProfileLinkAction(TalkAction::class);
+
+		$context->registerTalkBackend(TalkBackend::class);
 	}
 
 	public function boot(IBootContext $context): void {
diff --git a/lib/OCP/Conversation.php b/lib/OCP/Conversation.php
new file mode 100644
index 0000000000..637473c287
--- /dev/null
+++ b/lib/OCP/Conversation.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace OCA\Talk\OCP;
+
+use OCA\Talk\Room;
+use OCP\IURLGenerator;
+use OCP\Talk\IConversation;
+
+class Conversation implements IConversation {
+	protected IURLGenerator $url;
+	protected Room $room;
+
+	public function __construct(IURLGenerator $url,
+								Room $room) {
+		$this->url = $url;
+		$this->room = $room;
+	}
+
+	public function getAbsoluteUrl(): string {
+		return $this->url->linkToRouteAbsolute('spreed.Page.showCall', ['token' => $this->room->getToken()]);
+	}
+}
diff --git a/lib/OCP/TalkBackend.php b/lib/OCP/TalkBackend.php
new file mode 100644
index 0000000000..b00be4f5d5
--- /dev/null
+++ b/lib/OCP/TalkBackend.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace OCA\Talk\OCP;
+
+use OCA\Talk\Manager;
+use OCA\Talk\Model\Attendee;
+use OCA\Talk\Participant;
+use OCA\Talk\Room;
+use OCA\Talk\Service\ParticipantService;
+use OCP\IURLGenerator;
+use OCP\Talk\IConversation;
+use OCP\Talk\IConversationOptions;
+use OCP\Talk\ITalkBackend;
+
+class TalkBackend implements ITalkBackend {
+	protected Manager $manager;
+	protected ParticipantService $participantService;
+	protected IURLGenerator $url;
+
+	public function __construct(Manager $manager,
+								ParticipantService $participantService,
+								IURLGenerator $url) {
+		$this->manager = $manager;
+		$this->participantService = $participantService;
+		$this->url = $url;
+	}
+
+	public function createConversation(string $name, array $moderators, IConversationOptions $options): IConversation {
+		$room = $this->manager->createRoom(
+			$options->isPublic() ? Room::TYPE_PUBLIC : Room::TYPE_GROUP,
+			$name
+		);
+
+		if (!empty($moderators)) {
+			$users = [];
+			foreach ($moderators as $moderator) {
+				$users[] = [
+					'actorType' => Attendee::ACTOR_USERS,
+					'actorId' => $moderator->getUID(),
+					'participantType' => Participant::MODERATOR,
+				];
+			}
+
+			$this->participantService->addUsers($room, $users);
+		}
+
+		return new Conversation($this->url, $room);
+	}
+}