ComponentHelper::checkBlogPostDestinationList

static function checkBlogPostDestinationList($params, &$resultFields)
{
	global $USER;

	$destinationList = (
		isset($params["DEST"])
		&& is_array($params["DEST"])
			? $params["DEST"]
			: array()
	);

	$siteId = (
		!empty($params['SITE_ID'])
			? $params['SITE_ID']
			: SITE_ID
	);

	$currentUserId = $USER->getId();

	if (!$currentUserId)
	{
		return false;
	}

	$extranetUser = (
		$params['IS_EXTRANET_USER'] ?? self::isCurrentUserExtranet([
			'siteId' => SITE_ID,
			'userId' => $USER->getId()
		])
	);

	$postId = (
		isset($params['POST_ID'])
		&& (int)$params['POST_ID'] > 0
			? (int)$params['POST_ID']
			: false
	);

	$postFields = [];
	$oldSonetGroupIdList = [];

	if ($postId)
	{
		$socNetPermsListOld = CBlogPost::getSocNetPerms($postId);
		$postFields = BitrixBlogItemPost::getById($postId)->getFields();
		if (!empty($socNetPermsListOld['SG']))
		{
			$oldSonetGroupIdList = array_keys($socNetPermsListOld['SG']);
		}
	}

	$userAdmin = CSocNetUser::isUserModuleAdmin($currentUserId, $siteId);
	$allowToAll = self::getAllowToAllDestination();

	$newSonetGroupIdList = [];
	$newUserIdList = [];

	foreach($destinationList as $code)
	{
		if (preg_match('/^SG(d+)/i', $code, $matches))
		{
			$newSonetGroupIdList[] = (int)$matches[1];
		}
		elseif (preg_match('/^U(d+)/i', $code, $matches))
		{
			$newUserIdList[] = (int)$matches[1];
		}
	}

	if (!empty($newSonetGroupIdList))
	{
		$oneSG = false;
		$firstSG = true;

		$premoderateSGList = [];
		$canPublish = true;

		foreach ($newSonetGroupIdList as $groupId)
		{
			if (
				!empty($postFields)
				&& $postFields["PUBLISH_STATUS"] === BLOG_PUBLISH_STATUS_PUBLISH
				&& in_array($groupId, $oldSonetGroupIdList)
			)
			{
				continue;
			}

			$canPublishToGroup = (
				$userAdmin
				|| CSocNetFeaturesPerms::canPerformOperation($currentUserId, SONET_ENTITY_GROUP, $groupId, 'blog', 'write_post')
				|| CSocNetFeaturesPerms::canPerformOperation($currentUserId, SONET_ENTITY_GROUP, $groupId, 'blog', 'full_post')
				|| CSocNetFeaturesPerms::canPerformOperation($currentUserId, SONET_ENTITY_GROUP, $groupId, 'blog', 'moderate_post')
			);

			$canPremoderateToGroup = CSocNetFeaturesPerms::canPerformOperation($currentUserId, SONET_ENTITY_GROUP, $groupId, 'blog', 'premoderate_post');

			if (
				!$canPublishToGroup
				&& $canPremoderateToGroup
			)
			{
				$premoderateSGList[] = $groupId;
			}

			$canPublish = (
				$canPublish
				&& $canPublishToGroup
			);

			if($firstSG)
			{
				$oneSG = true;
				$firstSG = false;
			}
			else
			{
				$oneSG = false;
			}
		}

		if (!$canPublish)
		{
			if (!empty($premoderateSGList))
			{
				if ($oneSG)
				{
					if ($resultFields['PUBLISH_STATUS'] === BLOG_PUBLISH_STATUS_PUBLISH)
					{
						if (!$postId) // new post
						{
							$resultFields['PUBLISH_STATUS'] = BLOG_PUBLISH_STATUS_READY;
						}
						elseif ($postFields['PUBLISH_STATUS'] !== BLOG_PUBLISH_STATUS_PUBLISH)
						{
							$resultFields['PUBLISH_STATUS'] = $postFields['PUBLISH_STATUS'];
						}
						else
						{
							$resultFields['ERROR_MESSAGE'] = Loc::getMessage('SBPE_EXISTING_POST_PREMODERATION');
							$resultFields['ERROR_MESSAGE_PUBLIC'] = $resultFields['ERROR_MESSAGE'];
						}
					}
				}
				else
				{
					$groupNameList = [];
					$groupUrl = Option::get('socialnetwork', 'workgroups_page', SITE_DIR.'workgroups/', SITE_ID).'group/#group_id#/';

					$res = WorkgroupTable::getList([
						'filter' => [
							'@ID' => $premoderateSGList
						],
						'select' => [ 'ID', 'NAME' ]
					]);
					while ($groupFields = $res->fetch())
					{
						$groupNameList[] = (
							isset($params['MOBILE']) && $params['MOBILE'] === 'Y'
								? $groupFields['NAME']
								: '' . htmlspecialcharsEx($groupFields['NAME']) . ''
						);
					}

					$resultFields['ERROR_MESSAGE'] = Loc::getMessage('SBPE_MULTIPLE_PREMODERATION2', [
						'#GROUPS_LIST#' => implode(', ', $groupNameList)
					]);
					$resultFields['ERROR_MESSAGE_PUBLIC'] = $resultFields['ERROR_MESSAGE'];
				}
			}
			else
			{
				$resultFields['ERROR_MESSAGE'] = Loc::getMessage('SONET_HELPER_NO_PERMISSIONS');
			}
		}
	}

	if ($extranetUser)
	{
		$destinationList = array_filter($destinationList, static function ($code) {
			return (!preg_match('/^(DR|D)(d+)$/i', $code, $matches));
		});

		if (
			!empty($newUserIdList)
			&& Loader::includeModule('extranet')
		)
		{
			$visibleUserIdList = CExtranet::getMyGroupsUsersSimple(SITE_ID);

			if (!empty(array_diff($newUserIdList, $visibleUserIdList)))
			{
				$resultFields['ERROR_MESSAGE'] = Loc::getMessage('SONET_HELPER_NO_PERMISSIONS');
			}
		}
	}

	if (
		!$allowToAll
		&& in_array("UA", $destinationList, true)
	)
	{
		foreach ($destinationList as $key => $value)
		{
			if ($value === "UA")
			{
				unset($destinationList[$key]);
				break;
			}
		}
	}

	if ($extranetUser)
	{
		if (
			empty($destinationList)
			|| in_array("UA", $destinationList, true)
		)
		{
			$resultFields["ERROR_MESSAGE"] .= Loc::getMessage("BLOG_BPE_EXTRANET_ERROR");
		}
	}
	elseif (empty($destinationList))
	{
		$resultFields["ERROR_MESSAGE"] .= Loc::getMessage("BLOG_BPE_DESTINATION_EMPTY");
	}

	return $destinationList;
}