From 2c356d085236ba17367f25998953b61368078fcd Mon Sep 17 00:00:00 2001
From: Christoph Wurst <christoph@winzerhof-wurst.at>
Date: Mon, 20 Dec 2021 17:58:54 +0100
Subject: Add a Talk API for OCP

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>
---
 .../AppFramework/Bootstrap/RegistrationContext.php | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'lib/private/AppFramework/Bootstrap')

diff --git a/lib/private/AppFramework/Bootstrap/RegistrationContext.php b/lib/private/AppFramework/Bootstrap/RegistrationContext.php
index 6a9073b576b..401a967c988 100644
--- a/lib/private/AppFramework/Bootstrap/RegistrationContext.php
+++ b/lib/private/AppFramework/Bootstrap/RegistrationContext.php
@@ -30,6 +30,8 @@ declare(strict_types=1);
 namespace OC\AppFramework\Bootstrap;
 
 use Closure;
+use OCP\Talk\ITalkBackend;
+use RuntimeException;
 use function array_shift;
 use OC\Support\CrashReport\Registry;
 use OCP\AppFramework\App;
@@ -65,6 +67,9 @@ class RegistrationContext {
 	/** @var ServiceRegistration<ILinkAction>[] */
 	private $profileLinkActions = [];
 
+	/** @var null|ServiceRegistration<ITalkBackend> */
+	private $talkBackendRegistration = null;
+
 	/** @var ServiceFactoryRegistration[] */
 	private $services = [];
 
@@ -259,6 +264,13 @@ class RegistrationContext {
 					$actionClass
 				);
 			}
+
+			public function registerTalkBackend(string $backend): void {
+				$this->context->registerTalkBackend(
+					$this->appId,
+					$backend
+				);
+			}
 		};
 	}
 
@@ -349,6 +361,21 @@ class RegistrationContext {
 		$this->profileLinkActions[] = new ServiceRegistration($appId, $actionClass);
 	}
 
+	/**
+	 * @psalm-param class-string<ITalkBackend> $backend
+	 */
+	public function registerTalkBackend(string $appId, string $backend) {
+		// Some safeguards for invalid registrations
+		if ($appId !== 'spreed') {
+			throw new RuntimeException("Only the Talk app is allowed to register a Talk backend");
+		}
+		if ($this->talkBackendRegistration !== null) {
+			throw new RuntimeException("There can only be one Talk backend");
+		}
+
+		$this->talkBackendRegistration = new ServiceRegistration($appId, $backend);
+	}
+
 	/**
 	 * @param App[] $apps
 	 */
@@ -600,4 +627,12 @@ class RegistrationContext {
 	public function getProfileLinkActions(): array {
 		return $this->profileLinkActions;
 	}
+
+	/**
+	 * @return ServiceRegistration|null
+	 * @psalm-return ServiceRegistration<ITalkBackend>|null
+	 */
+	public function getTalkBackendRegistration(): ?ServiceRegistration {
+		return $this->talkBackendRegistration;
+	}
 }
-- 
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