Task::canUserOperateDocumentType

static function canUserOperateDocumentType($operation, $userId, $documentType, $arParameters = array())
{
	$userId = (int) $userId;
	$user = new CBPWorkflowTemplateUser($userId);

	if ($user->isAdmin())
	{
		return true; //Admin is the Lord of the Automation
	}

	if (BitrixTasksUtilUser::isExternalUser($userId))
	{
		return false;
	}

	// if ($operation === CBPCanUserOperateOperation::CreateAutomation)
	{
		if (static::isProjectTask($documentType))
		{
			$projectId = static::resolveProjectId($documentType);

			if ($projectId > 0 && MainLoader::includeModule('socialnetwork'))
			{
				$activeFeatures = CSocNetFeatures::GetActiveFeaturesNames(SONET_ENTITY_GROUP, $projectId);
				if (!is_array($activeFeatures) || !array_key_exists('tasks', $activeFeatures))
				{
					return false;
				}

				return (CSocNetUserToGroup::GetUserRole($userId, $projectId) === SONET_ROLES_OWNER);
			}
		}
		elseif (static::isScrumProjectTask($documentType))
		{
			$projectId = static::resolveScrumProjectId($documentType);

			if ($projectId > 0 && MainLoader::includeModule('socialnetwork'))
			{
				$activeFeatures = CSocNetFeatures::GetActiveFeaturesNames(SONET_ENTITY_GROUP, $projectId);
				if (!is_array($activeFeatures) || !array_key_exists('tasks', $activeFeatures))
				{
					return false;
				}

				return (
					CSocNetUserToGroup::GetUserRole($userId, $projectId) === SONET_ROLES_OWNER
					|| CSocNetUserToGroup::GetUserRole($userId, $projectId) === SONET_ROLES_MODERATOR
				);
			}
		}
		elseif (static::isPlanTask($documentType))
		{
			$ownerId = static::resolvePlanId($documentType);
			return ($ownerId === $userId);
		}
		elseif (static::isPersonalTask($documentType))
		{
			$ownerId = static::resolvePersonId($documentType);
			return ($ownerId === $userId);
		}
	}

	return false;
}