/followes and /following is supported

src/Module/Api/Mastodon/Accounts/Followers.php

@@ -0,0 +1,85 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2021, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Module\Api\Mastodon\Accounts;
+
+use Friendica\Core\System;
+use Friendica\Database\DBA;
+use Friendica\DI;
+use Friendica\Module\BaseApi;
+
+/**
+ * @see https://docs.joinmastodon.org/methods/accounts/
+ */
+class Followers extends BaseApi
+{
+	/**
+	 * @param array $parameters
+	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+	 */
+	public static function rawContent(array $parameters = [])
+	{
+		self::login();
+		$uid = self::getCurrentUserID();
+
+		if (empty($parameters['id'])) {
+			DI::mstdnError()->RecordNotFound();
+		}
+
+		$id = $parameters['id'];
+		if (!DBA::exists('contact', ['id' => $id, 'uid' => 0])) {
+			DI::mstdnError()->RecordNotFound();
+		}
+
+		// Return results older than this id
+		$max_id = (int)!isset($_REQUEST['max_id']) ? 0 : $_REQUEST['max_id'];
+		// Return results newer than this id
+		$since_id = (int)!isset($_REQUEST['since_id']) ? 0 : $_REQUEST['since_id'];
+		// Maximum number of results to return. Defaults to 20.
+		$limit = (int)!isset($_REQUEST['limit']) ? 20 : $_REQUEST['limit'];
+
+
+		$params = ['order' => ['cid' => true], 'limit' => $limit];
+
+		$condition = ['relation-cid' => $id, 'follows' => true];
+
+		if (!empty($max_id)) {
+			$condition = DBA::mergeConditions($condition, ["`cid` < ?", $max_id]);
+		}
+
+		if (!empty($since_id)) {
+			$condition = DBA::mergeConditions($condition, ["`cid` > ?", $since_id]);
+		}
+
+		if (!empty($min_id)) {
+			$condition = DBA::mergeConditions($condition, ["`cid` > ?", $min_id]);
+			$params['order'] = ['cid'];
+		}
+
+		$followers = DBA::select('contact-relation', ['cid'], $condition, $parameters);
+		while ($follower = DBA::fetch($followers)) {
+			$accounts[] = DI::mstdnAccount()->createFromContactId($follower['cid'], $uid);
+		}
+		DBA::close($followers);
+
+		System::jsonExit($accounts);
+	}
+}

src/Module/Api/Mastodon/Accounts/Following.php

@@ -0,0 +1,85 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2021, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Module\Api\Mastodon\Accounts;
+
+use Friendica\Core\System;
+use Friendica\Database\DBA;
+use Friendica\DI;
+use Friendica\Module\BaseApi;
+
+/**
+ * @see https://docs.joinmastodon.org/methods/accounts/
+ */
+class Following extends BaseApi
+{
+	/**
+	 * @param array $parameters
+	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+	 */
+	public static function rawContent(array $parameters = [])
+	{
+		self::login();
+		$uid = self::getCurrentUserID();
+
+		if (empty($parameters['id'])) {
+			DI::mstdnError()->RecordNotFound();
+		}
+
+		$id = $parameters['id'];
+		if (!DBA::exists('contact', ['id' => $id, 'uid' => 0])) {
+			DI::mstdnError()->RecordNotFound();
+		}
+
+		// Return results older than this id
+		$max_id = (int)!isset($_REQUEST['max_id']) ? 0 : $_REQUEST['max_id'];
+		// Return results newer than this id
+		$since_id = (int)!isset($_REQUEST['since_id']) ? 0 : $_REQUEST['since_id'];
+		// Maximum number of results to return. Defaults to 20.
+		$limit = (int)!isset($_REQUEST['limit']) ? 20 : $_REQUEST['limit'];
+
+
+		$params = ['order' => ['relation-cid' => true], 'limit' => $limit];
+
+		$condition = ['cid' => $id, 'follows' => true];
+
+		if (!empty($max_id)) {
+			$condition = DBA::mergeConditions($condition, ["`relation-cid` < ?", $max_id]);
+		}
+
+		if (!empty($since_id)) {
+			$condition = DBA::mergeConditions($condition, ["`relation-cid` > ?", $since_id]);
+		}
+
+		if (!empty($min_id)) {
+			$condition = DBA::mergeConditions($condition, ["`relation-cid` > ?", $min_id]);
+			$params['order'] = ['cid'];
+		}
+
+		$followers = DBA::select('contact-relation', ['relation-cid'], $condition, $parameters);
+		while ($follower = DBA::fetch($followers)) {
+			$accounts[] = DI::mstdnAccount()->createFromContactId($follower['relation-cid'], $uid);
+		}
+		DBA::close($followers);
+
+		System::jsonExit($accounts);
+	}
+}

static/routes.config.php

@@ -60,8 +60,8 @@ return [
 			'/accounts'                          => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
 			'/accounts/{id:\d+}'                 => [Module\Api\Mastodon\Accounts::class,                 [R::GET         ]],
 			'/accounts/{id:\d+}/statuses'        => [Module\Api\Mastodon\Accounts\Statuses::class,        [R::GET         ]],
-			'/accounts/{id:\d+}/followers'       => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/accounts/{id:\d+}/followers'       => [Module\Api\Mastodon\Accounts\Followers::class,       [R::GET         ]],
-			'/accounts/{id:\d+}/following'       => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/accounts/{id:\d+}/following'       => [Module\Api\Mastodon\Accounts\Followers::class,       [R::GET         ]],
 			'/accounts/{id:\d+}/lists'           => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
 			'/accounts/{id:\d+}/identity_proofs' => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
 			'/accounts/{id:\d+}/follow'          => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],