espocrm/application/Espo/Core/Repositories/Event.php

<?php
/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM - Open Source CRM application.
 * Copyright (C) 2014-2020 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
 * Website: https://www.espocrm.com
 *
 * EspoCRM is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * EspoCRM 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
 ************************************************************************/

namespace Espo\Core\Repositories;

use Espo\ORM\Entity;
use Espo\Core\Utils\Util;

use Espo\Core\Di;

class Event extends Database implements
    Di\DateTimeAware,
    Di\ConfigAware
{
    use Di\DateTimeSetter;
    use Di\ConfigSetter;

    protected $reminderDateAttribute = 'dateStart';

    protected $reminderSkippingStatusList = ['Held', 'Not Held'];

    protected $preserveDuration = true;

    protected function getConfig()
    {
        return $this->config;
    }

    protected function getDateTime()
    {
        return $this->dateTime;
    }

    protected function beforeSave(Entity $entity, array $options = [])
    {
        if ($entity->isAttributeChanged('status') && in_array($entity->get('status'), $this->reminderSkippingStatusList)) {
            $entity->set('reminders', []);
        }

        if ($entity->has('dateStartDate')) {
            $dateStartDate = $entity->get('dateStartDate');
            if (!empty($dateStartDate)) {
                $dateStart = $dateStartDate . ' 00:00:00';
                $dateStart = $this->convertDateTimeToDefaultTimezone($dateStart);

                $entity->set('dateStart', $dateStart);
            } else {
                $entity->set('dateStartDate', null);
            }
        }

        if ($entity->has('dateEndDate')) {
            $dateEndDate = $entity->get('dateEndDate');
            if (!empty($dateEndDate)) {
                $dateEnd = $dateEndDate . ' 00:00:00';
                $dateEnd = $this->convertDateTimeToDefaultTimezone($dateEnd);

                try {
                    $dt = new \DateTime($dateEnd);
                    $dt->modify('+1 day');
                    $dateEnd = $dt->format('Y-m-d H:i:s');
                } catch (\Exception $e) {}

                $entity->set('dateEnd', $dateEnd);
            } else {
                $entity->set('dateEndDate', null);
            }
        }

        if (!$entity->isNew()) {
            if (
                $this->preserveDuration
                &&
                $entity->isAttributeChanged('dateStart') && $entity->get('dateStart')
                &&
                $entity->isAttributeChanged('dateStart') && !$entity->isAttributeChanged('dateEnd')
            ) {
                $dateEndPrevious = $entity->getFetched('dateEnd');
                $dateStartPrevious = $entity->getFetched('dateStart');
                if ($dateStartPrevious && $dateEndPrevious) {
                    $dtStart = new \DateTime($dateStartPrevious);
                    $dtEnd = new \DateTime($dateEndPrevious);
                    $dt = new \DateTime($entity->get('dateStart'));

                    if ($dtStart && $dtEnd && $dt) {
                        $duration = ($dtEnd->getTimestamp() - $dtStart->getTimestamp());
                        $dt->modify('+' . $duration . ' seconds');
                        $dateEnd = $dt->format('Y-m-d H:i:s');
                        $entity->set('dateEnd', $dateEnd);
                    }
                }
            }
        }

        parent::beforeSave($entity, $options);
    }

    protected function afterRemove(Entity $entity, array $options = [])
    {
        parent::afterRemove($entity, $options);

        $delete = $this->getEntityManager()->getQueryBuilder()
            ->delete()
            ->from('Reminder')
            ->where([
                'entityId' => $entity->id,
                'entityType' => $entity->getEntityType(),
            ])
            ->build();

        $this->getEntityManager()->getQueryExecutor()->execute($delete);
    }

    protected function afterSave(Entity $entity, array $options = [])
    {
        $this->processReminderAfterSave($entity, $options);

        parent::afterSave($entity, $options);
    }

    protected function processReminderAfterSave(Entity $entity, array $options = [])
    {
        if (
            $entity->isNew() ||
            $entity->isAttributeChanged('assignedUserId') ||
            $entity->isAttributeChanged('usersIds') ||
            $entity->isAttributeChanged($this->reminderDateAttribute) ||
            $entity->has('reminders')
        ) {
            $reminderTypeList = $this->getMetadata()->get('entityDefs.Reminder.fields.type.options');

            if (!$entity->has('reminders')) {
                $reminderList = $this->getEntityReminderList($entity);
            } else {
                $reminderList = $entity->get('reminders');
            }

            if (!$entity->isNew()) {
                $query = $this->getEntityManager()->getQueryBuilder()
                    ->delete()
                    ->from('Reminder')
                    ->where([
                        'entityId' => $entity->id,
                        'entityType' => $entity->getEntityType(),
                        'deleted' => false,
                    ])
                    ->build();

                $this->getEntityManager()->getQueryExecutor()->execute($query);
            }

            if (empty($reminderList) || !is_array($reminderList)) return;

            $entityType = $entity->getEntityType();

            $dateValue = $entity->get($this->reminderDateAttribute);

            if (!$dateValue) {
                $e = $this->get($entity->id);
                if ($e) {
                    $dateValue = $e->get($this->reminderDateAttribute);
                }
            }

            if ($entity->hasLinkMultipleField('users')) {
                $userIdList = $entity->getLinkMultipleIdList('users');
            } else {
                $userIdList = [];
                if ($entity->get('assignedUserId')) {
                    $userIdList[] = $entity->get('assignedUserId');
                }
            }

            if (!$dateValue) return;
            if (empty($userIdList)) return;

            $dateValueObj = new \DateTime($dateValue);
            if (!$dateValueObj) return;

            foreach ($reminderList as $item) {
                $remindAt = clone $dateValueObj;
                $seconds = intval($item->seconds);
                $type = $item->type;

                if (!in_array($type , $reminderTypeList)) continue;

                $remindAt->sub(new \DateInterval('PT' . $seconds . 'S'));

                foreach ($userIdList as $userId) {
                    $id = Util::generateId();

                    $query = $this->getEntityManager()->getQueryBuilder()
                        ->insert()
                        ->into('Reminder')
                        ->columns(['id', 'entityId', 'entityType', 'type', 'userId', 'remindAt', 'startAt', 'seconds'])
                        ->values([
                            'id' => $id,
                            'entityId' => $entity->id,
                            'entityType' => $entityType,
                            'type' => $type,
                            'userId' => $userId,
                            'remindAt' => $remindAt->format('Y-m-d H:i:s'),
                            'startAt' => $dateValue,
                            'seconds' => $seconds,
                        ])
                        ->build();

                    $this->getEntityManager()->getQueryExecutor()->execute($query);
                }
            }
        }
    }

    public function getEntityReminderList(Entity $entity) : array
    {
        $reminderDataList = [];

        $reminderCollection = $this->getEntityManager()->getRepository('Reminder')
            ->select(['seconds', 'type'])
            ->where([
                'entityType' => $entity->getEntityType(),
                'entityId' => $entity->id,
            ])
            ->distinct()
            ->order('seconds')
            ->find();

        foreach ($reminderCollection as $reminder) {
            $o = (object) [
                'seconds' => $reminder->get('seconds'),
                'type' => $reminder->get('type'),
            ];
            $reminderDataList[] = $o;
        }

        return $reminderDataList;
    }

    protected function convertDateTimeToDefaultTimezone($string)
    {
        $timeZone = $this->getConfig()->get('timeZone') ?? 'UTC';

        $tz = new \DateTimeZone($timeZone);

        try {
            $dt = \DateTime::createFromFormat($this->getDateTime()->getInternalDateTimeFormat(), $string, $tz);
        } catch (\Exception $e) {}

        if ($dt) {
            $utcTz = new \DateTimeZone('UTC');
            return $dt->setTimezone($utcTz)->format($this->getDateTime()->getInternalDateTimeFormat());
        }
        return null;
    }
}