OCA\Circles\Service\MembersService

Complexity

Total Complexity

19

Size/Duplication

Total Lines	211
Duplicated Lines	17.54 %

Coupling/Cohesion

Components	1
Dependencies	6

Importance

Changes

0

8 Methods

Rating	Name	Duplication	Size	Complexity
B	getFreshNewMember()	0	22	4
A	memberAlreadyExist()	0	6	3
A	addMember()	20	20	3
A	__construct()	17	17	1
B	levelMember()	0	24	3
A	switchOwner()	0	16	2
A	removeMember()	0	19	2
A	removeUser()	0	3	1

<?php
/**
 * Circles - bring cloud-users closer
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author Maxence Lange <maxence@pontapreta.net>
 * @copyright 2017
 * @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 <http://www.gnu.org/licenses/>.
 *
 */

namespace OCA\Circles\Service;


use OC\User\NoUserException;
use OCA\Circles\Db\CirclesMapper;
use OCA\Circles\Db\MembersMapper;
use OCA\Circles\Exceptions\MemberAlreadyExistsException;
use OCA\Circles\Exceptions\MemberDoesNotExistException;
use \OCA\Circles\Model\Member;
use OCP\IL10N;
use OCP\IUserManager;

class MembersService {

	/** @var string */
	private $userId;

	/** @var IL10N */
	private $l10n;

	/** @var IUserManager */
	private $userManager;

	/** @var ConfigService */
	private $configService;

	/** @var CirclesMapper */
	private $dbCircles;

	/** @var MembersMapper */
	private $dbMembers;

	/** @var MiscService */
	private $miscService;

	public function __construct(
		$userId,
		IL10N $l10n,
		IUserManager $userManager,
		ConfigService $configService,
		DatabaseService $databaseService,
		MiscService $miscService
	) {
		$this->userId = $userId;
		$this->l10n = $l10n;
		$this->userManager = $userManager;
		$this->configService = $configService;
		$this->miscService = $miscService;

		$this->dbCircles = $databaseService->getCirclesMapper();
		$this->dbMembers = $databaseService->getMembersMapper();
	}


	/**
	 * @param $circleId
	 * @param $name
	 *
	 * @return array
	 * @throws \Exception
	 */
	public function addMember($circleId, $name) {

		try {
			$circle = $this->dbCircles->getDetailsFromCircle($circleId, $this->userId);
			$this->dbMembers->getMemberFromCircle($circleId, $this->userId)
							->hasToBeModerator();
		} catch (\Exception $e) {
			throw $e;
		}

		try {
			$member = $this->getFreshNewMember($circleId, $name);
		} catch (\Exception $e) {
			throw $e;
		}
		$member->inviteToCircle($circle->getType());
		$this->dbMembers->editMember($member);

		return $this->dbMembers->getMembersFromCircle($circleId, $circle->getUser());
	}


	/**
	 * Check if a fresh member can be generated (by addMember)
	 *
	 * @param $circleId
	 * @param $name
	 *
	 * @return null|Member
	 * @throws MemberAlreadyExistsException
	 * @throws NoUserException
	 */
	private function getFreshNewMember($circleId, $name) {

		if (!$this->userManager->userExists($name)) {
			throw new NoUserException($this->l10n->t("This user does not exist"));
		}

		try {
			$member = $this->dbMembers->getMemberFromCircle($circleId, $name);

		} catch (MemberDoesNotExistException $e) {
			$member = new Member($this->l10n, $name, $circleId);
			$this->dbMembers->add($member);
		}

		if ($this->memberAlreadyExist($member)) {
			throw new MemberAlreadyExistsException(
				$this->l10n->t('This user is already a member of the circle')
			);
		}

		return $member;
	}


	/**
	 * return if member already exists
	 *
	 * @param Member $member
	 *
	 * @return bool
	 */
	private function memberAlreadyExist($member) {
		return ($member->getLevel() > Member::LEVEL_NONE
				|| ($member->getStatus() !== Member::STATUS_NONMEMBER
					&& $member->getStatus() !== Member::STATUS_REQUEST)
		);
	}


	/**
	 * @param $circleId
	 * @param $name
	 * @param $level
	 *
	 * @return array
	 * @throws \Exception
	 */
	public function levelMember($circleId, $name, $level) {

		try {
			if ((int)$level === Member::LEVEL_OWNER) {
				$this->switchOwner($circleId, $name);
			} else {
				$isMod = $this->dbMembers->getMemberFromCircle($circleId, $this->userId);
				$isMod->hasToBeModerator();
				$isMod->hasToBeHigherLevel($level);

				$member = $this->dbMembers->getMemberFromCircle($circleId, $name);
				$member->cantBeOwner();
				$isMod->hasToBeHigherLevel($member->getLevel());

				$member->setLevel($level);
				$this->dbMembers->editMember($member);
			}
		} catch (\Exception $e) {
			throw $e;
		}
		$circle = $this->dbCircles->getDetailsFromCircle($circleId, $this->userId);

		return $this->dbMembers->getMembersFromCircle($circleId, $circle->getUser());
	}


	public function switchOwner($circleId, $name) {
		try {
			$isMod = $this->dbMembers->getMemberFromCircle($circleId, $this->userId);
			$isMod->hasToBeOwner();
			$member = $this->dbMembers->getMemberFromCircle($circleId, $name);

			$member->setLevel(Member::LEVEL_OWNER);
			$this->dbMembers->editMember($member);

			$isMod->setLevel(Member::LEVEL_ADMIN);
			$this->dbMembers->editMember($isMod);

		} catch (\Exception $e) {
			throw $e;
		}
	}


	/**
	 * @param $circleId
	 * @param $name
	 *
	 * @return array
	 * @throws \Exception
	 */
	public function removeMember($circleId, $name) {

		try {
			$isMod = $this->dbMembers->getMemberFromCircle($circleId, $this->userId);
			$isMod->hasToBeModerator();

			$member = $this->dbMembers->getMemberFromCircle($circleId, $name);
			$member->cantBeOwner();

			$isMod->hasToBeHigherLevel($member->getLevel());
		} catch (\Exception $e) {
			throw $e;
		}

		$this->dbMembers->remove($member);
		$circle = $this->dbCircles->getDetailsFromCircle($circleId, $this->userId);

		return $this->dbMembers->getMembersFromCircle($circleId, $circle->getUser());
	}


	/**
	 * When a user is removed, remove him from all Circles
	 *
	 * @param $userId
	 */
	public function removeUser($userId) {
		$this->dbMembers->removeAllFromUserId($userId);
	}


}