Работа с комментариями лидов

use Bitrix\Crm\Timeline\Entity\TimelineBindingTable;  
use Bitrix\Crm\Timeline\TimelineType;  
  
$entityTypeID = CCrmOwnerType::Lead; // Тип сущности (например, лид)  
$oldEntityID = {{LeadID}}; // Текущий ID сущности (лида)  
$newEntityID = {{LeadID}}; // Новый ID сущности (лида)  
  
TimelineBindingTable::rebind($entityTypeID, $oldEntityID, $newEntityID, [TimelineType::COMMENT]);

use Bitrix\Crm\Timeline\CommentEntry;
use Bitrix\Crm\Timeline\Entity\TimelineBindingTable;
use Bitrix\Crm\Timeline\Entity\TimelineTable;

\Bitrix\Main\Loader::includeModule('crm');

$sourceLeadId = $this->GetRootActivity()->GetVariable("SourceLeadID");
$targetLeadId = $this->GetRootActivity()->GetVariable("TargetLeadID");
$authorId = $this->GetRootActivity()->GetVariable("AuthorID");

$commentsTransferredCount = 0;
$transferStatus = true;
$errorMessage = '';

if (!$sourceLeadId || !$targetLeadId || !$authorId) {
    $errorMessage = "КРИТИЧНО: Не все обязательные параметры для переноса комментариев указаны.";
    $this->WriteToTrackingService($errorMessage);
    $transferStatus = false;
} else {
    $obTimeLineEntity = TimelineTable::getList([
        'order' => ['CREATED' => 'ASC'], // Сортируем по возрастанию, чтобы сохранить порядок
        'filter' => [
            'BINDINGS.ENTITY_TYPE_ID' => \CCrmOwnerType::Lead,
            'BINDINGS.ENTITY_ID' => $sourceLeadId,
            '!COMMENT' => false,
        ],
        'select' => ['*'],
    ]);

    $commentData = [];
    while ($arFields = $obTimeLineEntity->fetch()) {
        if (!empty($arFields['COMMENT'])) {
            $commentData[] = $arFields;
        }
    }

    foreach ($commentData as $comment) {
        $commentFields = [
            'TEXT' => $comment['COMMENT'],
            'AUTHOR_ID' => $authorId,
            'BINDINGS' => [
                [
                    'ENTITY_TYPE_ID' => \CCrmOwnerType::Lead,
                    'ENTITY_ID' => $targetLeadId,
                ],
            ],
        ];

        $result = CommentEntry::create($commentFields);
        if ($result->isSuccess()) {
            $commentsTransferredCount++;
        } else {
            $transferStatus = false;
            $this->WriteToTrackingService("ОШИБКА: Не удалось создать комментарий. " . implode(', ', $result->getErrorMessages()));
        }
    }
}

$rootActivity = $this->GetRootActivity();
$rootActivity->SetVariable("CommentsTransferredCount", $commentsTransferredCount);
$rootActivity->SetVariable("CommentsTransferStatus", $transferStatus);
$rootActivity->SetVariable("CommentsTransferErrorMessage", $errorMessage);

use Bitrix\Crm\Timeline\Entity\TimelineTable;

\Bitrix\Main\Loader::includeModule('crm');

$leadId = $this->GetRootActivity()->GetVariable("LeadID");

$foundCommentsCount = 0;
$commentIDs = [];
$errorMessage = '';

if (!$leadId) {
    $errorMessage = "КРИТИЧНО: Не указан ID лида для получения комментариев.";
    $this->WriteToTrackingService($errorMessage);
} else {
    $obTimeLineEntity = TimelineTable::getList([
        'order' => ['CREATED' => 'DESC'],
        'filter' => [
            'BINDINGS.ENTITY_TYPE_ID' => \CCrmOwnerType::Lead,
            'BINDINGS.ENTITY_ID' => $leadId,
            '!COMMENT' => false,
        ],
        'select' => ['ID'],
    ]);

    while ($arFields = $obTimeLineEntity->fetch()) {
        $commentIDs[] = $arFields['ID'];
    }
    $foundCommentsCount = count($commentIDs);
}

$rootActivity = $this->GetRootActivity();
$rootActivity->SetVariable("FoundCommentsCount", $foundCommentsCount);
$rootActivity->SetVariable("CommentIDs", implode(",", $commentIDs));
$rootActivity->SetVariable("CommentSearchErrorMessage", $errorMessage);