From 2d479529214d62fc1bc90e1e914f864f03b4fee3 Mon Sep 17 00:00:00 2001
From: Hypolite Petovan <hypolite@mrpetovan.com>
Date: Wed, 11 Dec 2019 03:50:09 -0500
Subject: [PATCH] Add POST follow request Mastodon API endpoint

---
 doc/API-Mastodon.md                        | 15 +++++++---
 src/Module/Api/Mastodon/FollowRequests.php | 32 ++++++++++++++++++++++
 static/routes.config.php                   |  1 +
 3 files changed, 44 insertions(+), 4 deletions(-)

diff --git a/doc/API-Mastodon.md b/doc/API-Mastodon.md
index a711e367fb..546aca2431 100644
--- a/doc/API-Mastodon.md
+++ b/doc/API-Mastodon.md
@@ -16,11 +16,18 @@ These endpoints use the [Mastodon API entities](https://docs.joinmastodon.org/ap
 ## Implemented endpoints
 
 - [GET /api/v1/follow_requests](https://docs.joinmastodon.org/api/rest/follow-requests/#get-api-v1-follow-requests)
+- [POST /api/v1/follow_requests/:id/authorize](https://docs.joinmastodon.org/api/rest/follow-requests/#post-api-v1-follow-requests-id-authorize)
+    - Returns a [Relationship](https://docs.joinmastodon.org/api/entities/#relationship) object.
+- [POST /api/v1/follow_requests/:id/reject](https://docs.joinmastodon.org/api/rest/follow-requests/#post-api-v1-follow-requests-id-reject)
+    - Returns a [Relationship](https://docs.joinmastodon.org/api/entities/#relationship) object.
+- POST /api/v1/follow_requests/:id/ignore
+    - Friendica-specific, hides the follow request from the list and prevents the remote contact from retrying.
+    - Returns a [Relationship](https://docs.joinmastodon.org/api/entities/#relationship) object.
+    
+
 - [GET /api/v1/instance](https://docs.joinmastodon.org/api/rest/instances)
 - GET /api/v1/instance/peers - undocumented, but implemented by Mastodon and Pleroma
 
+
+
 ## Non-implemented endpoints
-
-- [POST /api/v1/follow_requests/:id/authorize](https://docs.joinmastodon.org/api/rest/follow-requests/#post-api-v1-follow-requests-id-authorize)
-- [POST /api/v1/follow_requests/:id/reject](https://docs.joinmastodon.org/api/rest/follow-requests/#post-api-v1-follow-requests-id-reject)
-
diff --git a/src/Module/Api/Mastodon/FollowRequests.php b/src/Module/Api/Mastodon/FollowRequests.php
index 16417b4690..55bf70a954 100644
--- a/src/Module/Api/Mastodon/FollowRequests.php
+++ b/src/Module/Api/Mastodon/FollowRequests.php
@@ -7,6 +7,7 @@ use Friendica\App\BaseURL;
 use Friendica\Core\System;
 use Friendica\Database\DBA;
 use Friendica\Model\Contact;
+use Friendica\Model\Introduction;
 use Friendica\Module\Base\Api;
 use Friendica\Network\HTTPException;
 
@@ -24,6 +25,37 @@ class FollowRequests extends Api
 		}
 	}
 
+	public static function post(array $parameters = [])
+	{
+		parent::post($parameters);
+
+		/** @var Introduction $Intro */
+		$Intro = self::getClass(Introduction::class);
+		$Intro->fetch(['id' => $parameters['id'], 'uid' => self::$current_user_id]);
+
+		$contactId = $Intro->{'contact-id'};
+
+		$relationship = new Mastodon\Relationship();
+		$relationship->id = $contactId;
+
+		switch ($parameters['action']) {
+			case 'authorize':
+				$Intro->confirm();
+				$relationship = Mastodon\Relationship::createFromContact(Contact::getById($contactId));
+				break;
+			case 'ignore':
+				$Intro->ignore();
+				break;
+			case 'reject':
+				$Intro->discard();
+				break;
+			default:
+				throw new HTTPException\BadRequestException('Unexpected action parameter, expecting "authorize", "ignore" or "reject"');
+		}
+
+		System::jsonExit($relationship);
+	}
+
 	/**
 	 * @param array $parameters
 	 * @throws HTTPException\InternalServerErrorException
diff --git a/static/routes.config.php b/static/routes.config.php
index 824354690d..d23b092169 100644
--- a/static/routes.config.php
+++ b/static/routes.config.php
@@ -30,6 +30,7 @@ return [
 	'/api' => [
 		'/v1' => [
 			'/follow_requests'                   => [Module\Api\Mastodon\FollowRequests::class, [R::GET         ]],
+			'/follow_requests/{id:\d+}/{action}' => [Module\Api\Mastodon\FollowRequests::class, [        R::POST]],
 			'/instance'                          => [Module\Api\Mastodon\Instance::class, [R::GET]],
 			'/instance/peers'                    => [Module\Api\Mastodon\Instance\Peers::class, [R::GET]],
 		],