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<?php
namespace Bitrix\Main\Controller;
use Bitrix\Main;
use Bitrix\Main\Error;
use Bitrix\Main\Localization\Loc;
use Bitrix\Main\Engine\Response\AjaxJson;
class Export extends Main\Engine\Controller
{
/** @var string - Module Id. */
protected $module = '';
/** Where to store cloud files. */
const EXPORT_PATH = '/export/';
/** How many day keep files in the cloud. */
const EXPIRE_DAYS = 24;
const ACTION_EXPORT = 'export';
const ACTION_UPLOAD = 'upload';
const ACTION_CANCEL = 'cancel';
const ACTION_FINISH = 'finish';
const ACTION_DOWNLOAD = 'download';
const ACTION_CLEAR = 'clear';
const ACTION_VOID = 'void';
const ACTION_PURGE = 'purge';
const STATUS_COMPLETED = 'COMPLETED';
const STATUS_PROGRESS = 'PROGRESS';
/** @var string */
protected $componentName = '';
/** @var array */
protected $componentParameters = array();
/** @var string - Exporting file type csv|excel. */
protected $exportType;
const EXPORT_TYPE_CSV = 'csv';
const EXPORT_TYPE_EXCEL = 'excel';
/** @var string */
protected $processToken;
/** @var boolean */
protected $isNewProcess = true;
/** @var string */
protected $fileName = '';
/** @var string */
protected $filePath = '';
/** @var int */
protected $fileSize = 0;
/** @var string */
protected $fileType = 'application/csv';
/** How long to keep temporally files. */
const KEEP_FILE_HOURS = 5;
/** @var int */
protected $processedItems = 0;
/** @var int */
protected $totalItems = 0;
/** @var int */
protected $pageSize = 0;
/** Default limitation query result per page. */
const ROWS_PER_PAGE = 100;
/** @var int */
protected $lastExportedId = -1;
/** @var \CCloudStorageBucket */
protected $bucket;
/** @var int */
protected $bucketId = -1;
/** @var string */
protected $uploadPath = '';
/** @var int */
protected $uploadedSize = 0;
/** @var int */
protected $uploadedPart = 0;
/** @var int */
protected $cloudMinChunkSize = 5 * 1024 * 1024; // 5M
/** @var string[] */
protected $fieldToStoreInProcess = array(
'exportType',
'fileName',
'filePath',
'fileSize',
'fileType',
'uploadedSize',
'uploadPath',
'uploadedPart',
'pageSize',
'processedItems',
'totalItems',
'lastExportedId',
'cloudChunkSize',
'bucketId',
'isExportCompleted',
'isUploadFinished',
'timeStart',
'stepCount',
'useCloud',
);
/** @var boolean */
protected $isBitrix24 = false;
/** @var boolean */
protected $isCloudAvailable = false;
/** @var boolean */
protected $isExportCompleted = false;
/** @var boolean */
protected $isUploadFinished = false;
/** @var integer */
protected $timeStart = 0;
/** @var integer */
protected $stepCount = 0;
/** @var boolean */
protected $useCloud = null;
/** @var float seconds */
protected $timeLimit = -1;
/** @var float seconds */
protected $hitStartTime = -1;
/** @var boolean */
protected $timeLimitReached = false;
/** @const int */
const TIME_LIMIT = 20; // 20 seconds
/**
* Action
* @return array
*/
public function configureActions()
{
$configureActions = parent::configureActions();
$configureActions[self::ACTION_DOWNLOAD] = array(
'-prefilters' => array(
Main\Engine\ActionFilter\Csrf::class
)
);
return $configureActions;
}
/**
* Initializes controller.
*
* @return void
*/
protected function init()
{
parent::init();
Loc::loadMessages(__FILE__);
$this->isBitrix24 = Main\ModuleManager::isModuleInstalled('bitrix24');
$this->isCloudAvailable =
Main\ModuleManager::isModuleInstalled('clouds') &&
Main\Loader::includeModule('clouds');
$this->processToken = $this->request->get('PROCESS_TOKEN');
$this->exportType = $this->request->get('EXPORT_TYPE');
$this->componentName = $this->request->get('COMPONENT_NAME');
$signedParameters = $this->request->getPost('signedParameters');
if (!empty($signedParameters))
{
$this->componentParameters = $this->decodeSignedParameters($this->componentName, $signedParameters);
}
$initialOptions = $this->request->getPost('INITIAL_OPTIONS');
if (!empty($initialOptions))
{
$this->componentParameters['STEXPORT_INITIAL_OPTIONS'] = $initialOptions;
}
$progressData = $this->getProgressParameters();
if (count($progressData) > 0)
{
$this->isNewProcess = (empty($progressData['processToken']) || $progressData['processToken'] !== $this->processToken);
if (!$this->isNewProcess)
{
// restore state
foreach ($this->fieldToStoreInProcess as $fieldName)
{
if (isset($progressData[$fieldName]))
{
$this->{$fieldName} = $progressData[$fieldName];
}
}
}
}
if ($this->isCloudAvailable)
{
$bucketList = $this->getBucketList();
if (count($bucketList) == 0)
{
$this->isCloudAvailable = false;
}
}
}
/**
* Common operations before process action.
* @param Main\Engine\Action $action Action.
* @return bool If method will return false, then action will not execute.
*/
protected function processBeforeAction(Main\Engine\Action $action)
{
if (parent::processBeforeAction($action))
{
if (!$this->checkCommonErrors($action))
{
return false;
}
}
return true;
}
/**
* Add name on filed to keep during in the process.
*
* @param string $fieldName Field name.
*
* @return self
*/
protected function keepFieldInProcess($fieldName)
{
$this->fieldToStoreInProcess[] = $fieldName;
return $this;
}
/**
* @return array|Main\Engine\Response\AjaxJson
*/
public function dispatcherAction()
{
// can we use cloud
if ($this->isCloudAvailable && $this->useCloud === null)
{
if (
($this->bucketId < 0) &&
($this->totalItems > 0) &&
($this->processedItems > 0) &&
($this->fileName !== '') &&
($this->getSizeTempFile() > 0) &&
(($this->getSizeTempFile() > $this->cloudMinChunkSize) || $this->isExportCompleted)
)
{
if ($this->isExportCompleted)
{
$predictedFileSize = $this->getSizeTempFile();
}
else
{
$predictedFileSize = round($this->getSizeTempFile() * ceil($this->totalItems / $this->processedItems) * 1.5);
}
// check cloud bucket rules
if ($this->findInitBucket(array('fileSize' => $predictedFileSize, 'fileName' => $this->fileName)) === true)
{
// allow
$this->useCloud = true;
}
else
{
// deny
$this->useCloud = false;
$this->isCloudAvailable = false;
}
}
}
if ($this->isNewProcess)
{
// start export
$this->stepCount = 0;
$this->timeStart = time();
$nextAction = self::ACTION_EXPORT;
}
elseif ($this->isBitrix24)
{
if ($this->isExportCompleted && !$this->isUploadFinished)
{
// upload last chunk
$nextAction = self::ACTION_UPLOAD;
}
elseif ($this->isExportCompleted && $this->isUploadFinished)
{
// purge cloud and finish
$nextAction = self::ACTION_PURGE;
}
elseif ($this->getSizeTempFile() > $this->cloudMinChunkSize)
{
// upload chunk
$nextAction = self::ACTION_UPLOAD;
}
else
{
// continue export into temporally file
$nextAction = self::ACTION_EXPORT;
}
}
else
{
// non b24
if ($this->isExportCompleted && ($this->useCloud === true) && !$this->isUploadFinished)
{
// upload last chunk
$nextAction = self::ACTION_UPLOAD;
}
elseif ($this->isExportCompleted && ($this->useCloud === true) && $this->isUploadFinished)
{
// purge cloud and finish
$nextAction = self::ACTION_PURGE;
}
elseif ($this->isExportCompleted && ($this->useCloud === false || $this->useCloud === null))
{
// completed
$nextAction = self::ACTION_FINISH;
}
elseif (($this->useCloud === true) && ($this->getSizeTempFile() > $this->cloudMinChunkSize))
{
// upload chunk
$nextAction = self::ACTION_UPLOAD;
}
else
{
// continue export into temporally file
$nextAction = self::ACTION_EXPORT;
}
}
if ($nextAction === self::ACTION_PURGE)
{
return $this->purgeAction();
}
if ($nextAction === self::ACTION_EXPORT)
{
$this->stepCount ++;
return $this->exportAction();
}
if ($nextAction === self::ACTION_UPLOAD)
{
$this->stepCount ++;
return $this->uploadAction();
}
if ($nextAction === self::ACTION_FINISH)
{
return $this->finishAction();
}
return $this->cancelAction();
}
/**
* @return Main\HttpResponse|void
*/
public function downloadAction()
{
if (
$this->filePath !== '' &&
$this->fileName !== ''
)
{
$path = new Main\IO\File($this->filePath);
if ($path->isExists())
{
$response = new Main\Engine\Response\File(
$path->getPath(),
$this->fileName,
$this->getFileType()
);
return $response;
}
}
$this->addError(new Error('File not found'));
}
/**
* Performs exporting action.
*
* @return array|Main\Engine\Response\AjaxJson
*/
public function exportAction()
{
/** @global \CMain */
global $APPLICATION;
if ($this->isNewProcess)
{
$this->fileType = $this->getFileType();
$this->fileName = $this->generateExportFileName();
$this->filePath = $this->generateTempDirPath(). $this->fileName;
$this->processedItems = 0;
$this->totalItems = 0;
$this->pageSize = self::ROWS_PER_PAGE;
$this->saveProgressParameters();
}
$this->startTimer(self::TIME_LIMIT);
do
{
$nextPage = (int)floor($this->processedItems / $this->pageSize) + 1;
$componentParameters = array_merge(
$this->componentParameters,
array(
'STEXPORT_MODE' => 'Y',
'EXPORT_TYPE' => $this->exportType,
'STEXPORT_PAGE_SIZE' => $this->pageSize,
'STEXPORT_TOTAL_ITEMS' => $this->totalItems,
'STEXPORT_LAST_EXPORTED_ID' => $this->lastExportedId,
'PAGE_NUMBER' => $nextPage,
)
);
ob_start();
$componentResult = $APPLICATION->IncludeComponent(
$this->componentName,
'',
$componentParameters
);
$exportData = ob_get_contents();
ob_end_clean();
$processedItemsOnStep = 0;
if (is_array($componentResult))
{
if (isset($componentResult['ERROR']))
{
$this->addError(new Error($componentResult['ERROR']));
break;
}
else
{
if (isset($componentResult['PROCESSED_ITEMS']))
{
$processedItemsOnStep = (int)$componentResult['PROCESSED_ITEMS'];
}
// Get total items quantity on 1st step.
if ($nextPage === 1 && isset($componentResult['TOTAL_ITEMS']))
{
$this->totalItems = (int)$componentResult['TOTAL_ITEMS'];
}
if (isset($componentResult['LAST_EXPORTED_ID']))
{
$this->lastExportedId = (int)$componentResult['LAST_EXPORTED_ID'];
}
}
}
if ($this->totalItems == 0)
{
break;
}
if ($processedItemsOnStep > 0)
{
$this->processedItems += $processedItemsOnStep;
$this->writeTempFile($exportData, ($nextPage === 1));
unset($exportData);
$this->isExportCompleted = ($this->processedItems >= $this->totalItems);
if ($this->isExportCompleted && !$this->isCloudAvailable)
{
// adjust completed file size
$this->fileSize = $this->getSizeTempFile();
}
}
elseif ($processedItemsOnStep == 0)
{
// Smth went wrong - terminate process.
$this->isExportCompleted = true;
if (!$this->isCloudAvailable)
{
$this->fileSize = $this->getSizeTempFile();
}
}
if ($this->isExportCompleted === true)
{
// finish
break;
}
if ($nextPage === 1)
{
// to answer faster
break;
}
}
while ($this->hasTimeLimitReached() !== true);
if ($this->totalItems == 0)
{
$this->isExportCompleted = true;
// Save progress
$this->saveProgressParameters();
// finish
$result = $this->preformAnswer(self::ACTION_VOID);
$result['STATUS'] = self::STATUS_COMPLETED;
}
else
{
// Save progress
$this->saveProgressParameters();
$result = $this->preformAnswer(self::ACTION_EXPORT);
$result['STATUS'] = self::STATUS_PROGRESS;
}
return $result;
}
/**
* Performs of the action uploading into the cloud.
*
* @return array
*/
public function uploadAction()
{
$chunkSize = $this->getSizeTempFile();
$isUploadStarted = ($this->uploadedPart > 0);
if (!$isUploadStarted)
{
$reservedSize = round($chunkSize * ceil($this->totalItems / $this->pageSize) * 1.5);
$this->uploadPath = $this->generateUploadDir(). $this->fileName;
$this->findInitBucket(array(
'fileSize' => $reservedSize,
'fileName' => $this->uploadPath,
));
if ($this->checkCloudErrors())
{
$this->saveProgressParameters();
if ($this->bucket->FileExists($this->uploadPath))
{
if(!$this->bucket->DeleteFile($this->uploadPath))
{
$this->addError(new Error('File exists in a cloud.'));
}
}
}
}
else
{
$this->instanceBucket();
$this->checkCloudErrors();
}
if (!file_exists($this->filePath))
{
$this->addError(new Error('Uploading file not exists.'));
}
if (count($this->getErrors()) > 0)
{
return AjaxJson::createError($this->errorCollection);
}
$isSuccess = false;
if ($this->isExportCompleted && !$isUploadStarted)
{
// just only one file
$uploadFile = array(
'name' => $this->fileName,
'size' => $this->fileSize,
'type' => $this->fileType,
'tmp_name' => $this->filePath,
);
if ($this->bucket->SaveFile($this->uploadPath, $uploadFile))
{
$this->uploadedPart ++;
$this->uploadedSize += $chunkSize;
$isSuccess = true;
$this->isUploadFinished = true;
}
else
{
$this->addError(new Error('Uploading error.'));
}
}
else
{
$uploader = new \CCloudStorageUpload($this->uploadPath);
if (!$uploader->isStarted())
{
if (!$uploader->Start($this->bucketId, $reservedSize, $this->fileType))
{
$this->addError(new Error('Start uploading error.'));
return AjaxJson::createError($this->errorCollection);
}
}
$part = $this->getContentTempFile();
while ($uploader->hasRetries())
{
if ($uploader->Next($part, $this->bucket))
{
$this->uploadedPart ++;
$this->uploadedSize += $chunkSize;
$isSuccess = true;
break;
}
}
unset($part);
// finish
if ($isSuccess && $this->isExportCompleted)
{
if ($uploader->Finish())
{
$this->isUploadFinished = true;
}
else
{
$this->addError(new Error('FILE_UNKNOWN_ERROR'));
}
}
}
if ($isSuccess)
{
$this->dropTempFile();
}
// Save progress
$this->saveProgressParameters();
// continue export into temporally file
$result = $this->preformAnswer(self::ACTION_UPLOAD);
$result['STATUS'] = self::STATUS_PROGRESS;
return $result;
}
/**
* Drops temporally and cloud files.
*
* @return array
*/
public function clearAction()
{
$this->cancelAction();
$result = $this->preformAnswer(self::ACTION_CLEAR);
$result['STATUS'] = self::STATUS_COMPLETED;
return $result;
}
/**
* Cancels exporting and uploading processes. Drops temporally and cloud files.
*
* @return array
*/
public function cancelAction()
{
$this->processToken = null;
$this->isNewProcess = true;
$this->dropTempFile();
$this->instanceBucket();
if ($this->bucket instanceof \CCloudStorageBucket)
{
if ($this->bucket->FileExists($this->uploadPath))
{
if (!$this->bucket->DeleteFile($this->uploadPath))
{
$this->addError(new Error('Cloud drop error.'));
}
}
}
$this->clearProgressParameters();
$result = $this->preformAnswer(self::ACTION_CANCEL);
$result['STATUS'] = self::STATUS_COMPLETED;
return $result;
}
/**
* Drops all outdated cloud files.
*
* @return array
*/
public function purgeAction()
{
$this->instanceBucket();
if ($this->bucket instanceof \CCloudStorageBucket)
{
$dirFiles = $this->bucket->ListFiles($this->generateUploadDir(), true);
$now = new \DateTime('now');
foreach ($dirFiles['file'] as $fileName)
{
if (preg_match('/^([^_]+)_([0-9]{8})_([^_]+)_.+$/i', $fileName, $parts))
{
//$type = $parts[1];
//$hash = $parts[3];
$date = \DateTime::createFromFormat('Ymd', $parts[2]);
$interval = $now->diff($date);
if ($interval->d > self::EXPIRE_DAYS)
{
$this->bucket->DeleteFile($this->generateUploadDir(). $fileName);
}
}
}
}
return $this->finishAction();
}
/**
* Finishes exporting and uploading processes. Drops temporally.
*
* @return array
*/
public function finishAction()
{
if ($this->isExportCompleted && !$this->isCloudAvailable)
{
// adjust completed local file size
$this->fileSize = $this->getSizeTempFile();
}
$result = $this->preformAnswer(self::ACTION_FINISH);
$result['STATUS'] = self::STATUS_COMPLETED;
return $result;
}
/**
* Preforms action answer.
* @param string $action Action.
* @return array
*/
protected function preformAnswer($action)
{
if ($action == self::ACTION_CLEAR || $action == self::ACTION_CANCEL || $action == self::ACTION_PURGE)
{
$result = array();
}
else
{
$fileSize = $this->fileSize;
if (!$this->isExportCompleted && $this->uploadedSize > 0)
{
$fileSize = $this->uploadedSize + $this->fileSize;
}
elseif ($this->isExportCompleted && $this->uploadedSize > $this->fileSize)
{
$fileSize = $this->uploadedSize;
}
$result = array(
'STATUS' => ($this->isExportCompleted ? self::STATUS_COMPLETED : self::STATUS_PROGRESS),
'PROCESSED_ITEMS' => $this->processedItems,
'TOTAL_ITEMS' => $this->totalItems,
'UPLOADED_PART' => $this->uploadedPart,
'UPLOADED_SIZE' => $this->uploadedSize,
'UPLOADED_SIZE_FORMAT' => \CFile::FormatSize($this->uploadedSize),
'FILE_SIZE_FORMAT' => \CFile::FormatSize($fileSize),
);
$messagePlaceholders = array(
'#PROCESSED_ITEMS#' => $this->processedItems,
'#TOTAL_ITEMS#' => $this->totalItems,
'#UPLOADED_PART#' => $this->uploadedPart,
'#UPLOADED_SIZE#' => $this->uploadedSize,
'#UPLOADED_SIZE_FORMAT#' => \CFile::FormatSize($this->uploadedSize),
'#FILE_SIZE_FORMAT#' => \CFile::FormatSize($fileSize),
);
}
if ($action == self::ACTION_VOID)
{
$message = htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_VOID'));
}
elseif ($action == self::ACTION_PURGE)
{
$message = htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_PURGE'));
}
elseif ($action == self::ACTION_CLEAR)
{
$message = htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_FILE_DROPPED'));
}
elseif ($action == self::ACTION_CANCEL)
{
$message = htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_ACTION_CANCEL'));
}
elseif ($action == self::ACTION_UPLOAD)
{
$message =
htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_ACTION_UPLOAD', $messagePlaceholders)). '<br>'.
$this->preformExpectedDuration();
}
elseif ($action == self::ACTION_EXPORT)
{
$message =
htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_ACTION_EXPORT', $messagePlaceholders)). '<br>'.
$this->preformExpectedDuration();
}
elseif ($this->isExportCompleted)
{
$message =
htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_COMPLETED')). '<br>'.
htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_ACTION_EXPORT', $messagePlaceholders));
$downloadLink = '';
if ($this->isBitrix24 || $this->useCloud === true)
{
if ($this->isUploadFinished)
{
$downloadLink = $this->generateCloudLink();
}
}
else
{
$downloadLink = $this->generateDownloadLink();
}
if ($downloadLink !== '')
{
$result['DOWNLOAD_LINK'] = $downloadLink;
$result['FILE_NAME'] = $this->fileName;
$result['DOWNLOAD_LINK_NAME'] = htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_DOWNLOAD'));
$result['CLEAR_LINK_NAME'] = htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_CLEAR'));
}
}
else
{
$message =
htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_ACTION_EXPORT', $messagePlaceholders)). '<br>'.
$this->preformExpectedDuration();
}
$result['SUMMARY_HTML'] = $message;
return $result;
}
/**
* Preform expected duration message.
*
* @return string
*/
protected function preformExpectedDuration()
{
$message = '';
$avgStepDuration = $predictedStepCount = $predictedTimeDuration = 0;
$avgRowsPerStep = self::ROWS_PER_PAGE;
if ($this->stepCount > 0 && $this->timeStart > 0)
{
$avgStepDuration = round((time() - $this->timeStart) / $this->stepCount);
if ($this->processedItems > 0)
{
$avgRowsPerStep = round($this->processedItems / $this->stepCount);
}
}
if ($this->totalItems > 0)
{
$predictedStepCount = round(($this->totalItems - $this->processedItems) / $avgRowsPerStep);
if ($this->useCloud === true)
{
$predictedStepCount *= 2;
}
}
if ($avgStepDuration > 0 && $predictedStepCount > 0)
{
$predictedTimeDuration = $avgStepDuration * $predictedStepCount * 1.1;
}
if ($predictedTimeDuration > 0)
{
$predictedTimeDurationHours = floor($predictedTimeDuration / 3600);
if ($predictedTimeDurationHours > 0)
{
$predictedTimeDurationMinutes = ceil(($predictedTimeDuration - $predictedTimeDurationHours * 3600) / 60);
$message =
Loc::getMessage('MAIN_EXPORT_EXPECTED_DURATION').' '.
Loc::getMessage('MAIN_EXPORT_EXPECTED_DURATION_HOURS', array(
'#HOURS#' => $predictedTimeDurationHours,
'#MINUTES#' => $predictedTimeDurationMinutes,
));
}
else
{
$predictedTimeDurationMinutes = round($predictedTimeDuration / 60);
$message =
Loc::getMessage('MAIN_EXPORT_EXPECTED_DURATION').' '.
Loc::getMessage('MAIN_EXPORT_EXPECTED_DURATION_MINUTES', array(
'#MINUTES#' => ($predictedTimeDurationMinutes < 1 ? "< 1" : $predictedTimeDurationMinutes),
));
}
}
return $message;
}
/**
* Generate link to download local exported temporally file.
*
* @return string
*/
protected function generateDownloadLink()
{
$params = array(
'PROCESS_TOKEN' => $this->processToken,
'EXPORT_TYPE' => $this->exportType,
'COMPONENT_NAME' => $this->componentName,
);
return $this->getActionUri(self::ACTION_DOWNLOAD, $params);
}
/**
* Generate link to download exported file from cloud.
*
* @return string
*/
protected function generateCloudLink()
{
$this->instanceBucket();
if ($this->checkCloudErrors())
{
return $this->bucket->GetFileSRC($this->uploadPath);
}
return '';
}
/**
* Checks for common errors.
*
* @param \Bitrix\Main\Engine\Action $action Action.
* @return bool - True if errors not exist.
*/
protected function checkCommonErrors($action)
{
if (empty($this->module))
{
$this->addError(new Error('Module Id property is not filled.'));
}
if (!Main\Loader::includeModule($this->module))
{
$this->addError(new Error('Module '.$this->module.' is not included.'));
}
if ($this->isBitrix24)
{
if ($this->isCloudAvailable !== true)
{
$this->addError(new Error(Loc::getMessage('MAIN_EXPORT_ERROR_NO_CLOUD_BUCKET')));
}
}
if ($action->getName() === self::ACTION_PURGE)
{
return true;
}
if ($this->componentName === '')
{
$this->addError(new Error('Component name is not specified.'));
}
if (!in_array($this->exportType, array(self::EXPORT_TYPE_CSV, self::EXPORT_TYPE_EXCEL), true))
{
$this->addError(new Error('The export type is not supported.'));
}
if($this->processToken === '')
{
$this->addError(new Error('Process token is not specified.'));
}
return count($this->getErrors()) === 0;
}
/**
* Checks for cloud errors.
*
* @return bool - True if errors not exist.
*/
protected function checkCloudErrors()
{
if (!($this->bucket instanceof \CCloudStorageBucket))
{
$this->errorCollection[] = new Error(Loc::getMessage('MAIN_EXPORT_ERROR_NO_CLOUD_BUCKET'));
}
return count($this->getErrors()) === 0;
}
/**
* Finds and instantiates the cloud bucket for file attributes.
*
* @param array $attributes File attributes for bucket search.
*
* @return bool
*/
protected function findInitBucket(array $attributes)
{
if (!($this->bucket instanceof \CCloudStorageBucket))
{
$this->bucket = \CCloudStorage::FindBucketForFile(
array(
'FILE_SIZE' => $attributes['fileSize'],
'MODULE_ID' => $this->module,
),
$attributes['fileName']
);
if (
$this->bucket === null ||
!($this->bucket instanceof \CCloudStorageBucket) ||
!$this->bucket->init()
)
{
return false;
}
$this->bucketId = $this->bucket->ID;
$this->cloudMinChunkSize = $this->bucket->GetService()->GetMinUploadPartSize(); //5M
}
return true;
}
/**
* Returns the cloud bucket for file attributes.
*
* @return \CCloudStorageBucket
*/
protected function instanceBucket()
{
if (!($this->bucket instanceof \CCloudStorageBucket))
{
if ($this->bucketId > 0)
{
$this->bucket = new \CCloudStorageBucket($this->bucketId);
$this->bucket->init();
}
}
return $this->bucket;
}
/**
* Returns active cloud bucket list.
*
* @param array $filter Filter params.
*
* @return array
*/
protected function getBucketList($filter = array())
{
$result = array();
$res = \CCloudStorageBucket::GetList(array(), array_merge(array('ACTIVE' => 'Y', 'READ_ONLY' => 'N'), $filter));
while($bucket = $res->Fetch())
{
$result[] = $bucket;
}
return $result;
}
/**
* Save progress parameters.
*
* @return boolean
*/
protected function saveProgressParameters()
{
// store state
$progressData = array(
'processToken' => $this->processToken,
);
foreach ($this->fieldToStoreInProcess as $fieldName)
{
$progressData[$fieldName] = $this->{$fieldName};
}
$res = \CUserOptions::SetOption($this->module, $this->getProgressParameterOptionName(), $progressData);
return $res;
}
/**
* Load progress parameters.
*
* @return array
*/
protected function getProgressParameters()
{
$progressData = \CUserOptions::GetOption($this->module, $this->getProgressParameterOptionName());
if (!is_array($progressData))
{
$progressData = array();
}
return $progressData;
}
/**
* Removes progress parameters.
*
* @return boolean
*/
protected function clearProgressParameters()
{
return \CUserOptions::DeleteOption($this->module, $this->getProgressParameterOptionName());
}
/**
* Returns progress option name
*
* @return string
*/
protected function getProgressParameterOptionName()
{
return $this->module. '_cloud_export';
}
/**
* Returns file name
*
* @return string
*/
protected function generateExportFileName()
{
if ($this->exportType === self::EXPORT_TYPE_CSV)
{
$fileExt = 'csv';
}
elseif ($this->exportType === self::EXPORT_TYPE_EXCEL)
{
$fileExt = 'xls';
}
$prefix = date('Ymd');
$hash = str_pad(dechex(crc32($prefix)), 8, '0', STR_PAD_LEFT);
return uniqid($prefix. '_'. $hash. '_', false).'.'.$fileExt;
}
/**
* Returns file mime/type
*
* @return string
*/
protected function getFileType()
{
if ($this->exportType === self::EXPORT_TYPE_CSV)
{
$fileType = 'application/csv';
}
elseif ($this->exportType === self::EXPORT_TYPE_EXCEL)
{
$fileType = 'application/vnd.ms-excel';
}
return $fileType;
}
/**
* Returns temporally directory
*
* @return string
*/
protected function generateTempDirPath()
{
$tempDir = \CTempFile::GetDirectoryName(self::KEEP_FILE_HOURS, array($this->module, uniqid( 'export_', true)));
\CheckDirPath($tempDir);
return $tempDir;
}
/**
* Returns path to upload
*
* @return string
*/
protected function generateUploadDir()
{
return self::EXPORT_PATH;
}
/**
* Sings and returns parameters as string in format "{message}{separator}{signature}".
*
* @param string $componentName Component name.
* @param array $params Parameters of component.
*
* @return string
* @throws \Bitrix\Main\ArgumentTypeException
*/
protected function getSignedParameters($componentName, array $params)
{
return Main\Component\ParameterSigner::signParameters($componentName, $params);
}
/**
* Sings and stores parameters.
*
* @param string $componentName Component name.
* @param string $signedParameters Signed parameters of component as string.
*
* @return array
* @throws \Bitrix\Main\ArgumentTypeException
*/
protected function decodeSignedParameters($componentName, $signedParameters)
{
return Main\Component\ParameterSigner::unsignParameters($componentName, $signedParameters);
}
/**
* @param string $data Bytes to write.
* @param boolean $precedeUtf8Bom Precede first bites with UTF8 BOM mark.
* @return void
*/
protected function writeTempFile($data, $precedeUtf8Bom = true)
{
$file = fopen($this->filePath, 'ab');
if(is_resource($file))
{
// add UTF-8 BOM marker
if (\Bitrix\Main\Application::isUtfMode() || defined('BX_UTF'))
{
if($precedeUtf8Bom === true && (filesize($this->filePath) === 0))
{
fwrite($file, chr(239).chr(187).chr(191));
}
}
fwrite($file, $data);
fclose($file);
unset($file);
$this->fileSize = filesize($this->filePath);
}
}
/**
* @return void
*/
protected function dropTempFile()
{
if (file_exists($this->filePath))
{
@unlink($this->filePath);
}
$this->fileSize = 0;
}
/**
* @return string
*/
protected function getContentTempFile()
{
return file_get_contents($this->filePath);
}
/**
* @return int
*/
protected function getSizeTempFile()
{
$this->fileSize = filesize($this->filePath);
return $this->fileSize;
}
/**
* Start up timer.
*
* @param int $timeLimit Time limit.
* @return void
*/
protected function startTimer($timeLimit = 25)
{
$this->timeLimit = $timeLimit;
if (defined('START_EXEC_TIME') && START_EXEC_TIME > 0)
{
$this->hitStartTime = (int)START_EXEC_TIME;
}
else
{
$this->hitStartTime = time();
}
}
/**
* Tells true if time limit reached.
*
* @return boolean
*/
protected function hasTimeLimitReached()
{
if ($this->timeLimit > 0)
{
if ($this->timeLimitReached)
{
return true;
}
if ((time() - $this->hitStartTime) >= $this->timeLimit)
{
$this->timeLimitReached = true;
return true;
}
}
return false;
}
}