ilCheckSumOfFileSizesJob Class Reference

Description of class class. More...

Inheritance diagram for ilCheckSumOfFileSizesJob:

Collaboration diagram for ilCheckSumOfFileSizesJob:

Public Member Functions
	__construct ()
	Construct. More...
	getInputTypes ()
	getOutputType ()
	isStateless ()
	run (array $input, \ILIAS\BackgroundTasks\Observer $observer)
	getExpectedTimeOfTaskInSeconds ()
	Returns int the amount of seconds this task usually taskes. If your task-duration scales with the the amount of data, try to set a possible high value of try to calculate it. If a task duration exceeds this value, it will be displayed as "possibly failed" to the user More...
Public Member Functions inherited from ILIAS\BackgroundTasks\Implementation\Tasks\AbstractJob
	getInput ()
	Returns mixed returns the input array More...
Public Member Functions inherited from ILIAS\BackgroundTasks\Implementation\Tasks\AbstractTask
	setInput (array $values)
	getOutput ()
	getInput ()
	getType ()
	unfoldTask ()
	Unfold the task. More...
	getRemoveOption ()
	Returns Option An Option to remove the current task and do some cleanup if possible. This Option is displayed if the Bucket is completed. You do not have to provide an additional Option to remove in your UserInteraction, the remove-Option is added to the list of Options (last position) See also self::getAbortOption(); More...
	getAbortOption ()
	Returns Option In case a Job is failed or did not respond for some time, an Abort-Option is displayed. There is already a Standard-Abort-Option registered, you can override with your own and do some cleanup if possible. More...
Public Member Functions inherited from ILIAS\BackgroundTasks\Task\Job
	run (array $input, Observer $observer)

Protected Member Functions
	calculateRecursive ($a_ref_ids, &$a_file_size)
	Calculates the number and size of the files being downloaded recursively. More...
	validateAccess ($ref_id)
	Check file access. More...
Protected Member Functions inherited from ILIAS\BackgroundTasks\Implementation\Tasks\AbstractTask
	checkTypes ($values)
	extractType ($value)

Protected Attributes
	$settings
Protected Attributes inherited from ILIAS\BackgroundTasks\Implementation\Tasks\AbstractTask
	$input = []
	$output

Private Attributes
	$logger = null

Additional Inherited Members
Data Fields inherited from ILIAS\BackgroundTasks\Implementation\Tasks\AbstractTask
const	MAIN_REMOVE = 'bt_main_remove'
const	MAIN_ABORT = 'bt_main_abort'

Detailed Description

Description of class class.

Author

Lukas Zehnder lz@st.nosp@m.uder.nosp@m.-raim.nosp@m.ann..nosp@m.ch

Definition at line 14 of file class.ilCheckSumOfFileSizesJob.php.

Constructor & Destructor Documentation

__construct()

ilCheckSumOfFileSizesJob::__construct

(

)

Construct.

Definition at line 30 of file class.ilCheckSumOfFileSizesJob.php.

References $GLOBALS, and settings().

    {
        $this->logger = $GLOBALS['DIC']->logger()->cal();
        $this->settings = new ilSetting("fold");
    }

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Member Function Documentation

calculateRecursive()

ilCheckSumOfFileSizesJob::calculateRecursive (   $a_ref_ids, &  $a_file_size  )

protected

Calculates the number and size of the files being downloaded recursively.

Parameters

array	$a_ref_ids
	int	& $a_file_count
	int	& $a_file_size

Definition at line 107 of file class.ilCheckSumOfFileSizesJob.php.

References $DIC, ilObjFileAccess\_lookupFileSize(), ilObject\_lookupObjId(), ilObject\_lookupType(), and validateAccess().

Referenced by run().

    {
        global $DIC;
        $tree = $DIC['tree'];

        include_once("./Modules/File/classes/class.ilObjFileAccess.php");

        // parse folders
        foreach ($a_ref_ids as $ref_id) {
            if (!$this->validateAccess($ref_id)) {
                continue;
            }

            // we are only interested in folders and files
            switch (ilObject::_lookupType($ref_id, true)) {
                case "fold":
                    // get child objects
                    $subtree = $tree->getChildsByTypeFilter($ref_id, array("fold", "file"));
                    if (count($subtree) > 0) {
                        $child_ref_ids = array();
                        foreach ($subtree as $child) {
                            $child_ref_ids[] = $child["ref_id"];
                        }
                        $this->calculateRecursive($child_ref_ids, $a_file_size);
                    }
                    break;

                case "file":
                    $a_file_size += ilObjFileAccess::_lookupFileSize(ilObject::_lookupObjId($ref_id));
                    break;
            }
        }
    }

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getExpectedTimeOfTaskInSeconds()

ilCheckSumOfFileSizesJob::getExpectedTimeOfTaskInSeconds

(

)

Returns

int the amount of seconds this task usually taskes. If your task-duration scales with the the amount of data, try to set a possible high value of try to calculate it. If a task duration exceeds this value, it will be displayed as "possibly failed" to the user

Implements ILIAS\BackgroundTasks\Task\Job.

Definition at line 169 of file class.ilCheckSumOfFileSizesJob.php.

    {
        return 30;
    }

getInputTypes()

ilCheckSumOfFileSizesJob::getInputTypes

(

)

Implements ILIAS\BackgroundTasks\Task.

Definition at line 40 of file class.ilCheckSumOfFileSizesJob.php.

    {
        return
            [
                new SingleType(ilCopyDefinition::class),
            ];
    }

getOutputType()

ilCheckSumOfFileSizesJob::getOutputType

(

)

Implements ILIAS\BackgroundTasks\Task.

Definition at line 52 of file class.ilCheckSumOfFileSizesJob.php.

    {
        return new SingleType(ilCopyDefinition::class);
    }

isStateless()

ilCheckSumOfFileSizesJob::isStateless

(

)

Implements ILIAS\BackgroundTasks\Task\Job.

Definition at line 61 of file class.ilCheckSumOfFileSizesJob.php.

    {
        return true;
    }

run()

ilCheckSumOfFileSizesJob::run	(	array	$input,
		\ILIAS\BackgroundTasks\Observer	$observer
	)

Todo:

use filesystem service

Definition at line 71 of file class.ilCheckSumOfFileSizesJob.php.

References calculateRecursive(), and settings().

    {
        $this->logger->debug('Start checking adherence to maxsize!');
        $this->logger->dump($input);
        $definition = $input[0];
        $object_ref_ids = $definition->getObjectRefIds();

        // get global limit (max sum of individual file-sizes) from file settings
        $size_limit = (int) $this->settings->get("bgtask_download_limit", 0);
        $size_limit_bytes = $size_limit * 1024 * 1024;
        $this->logger->debug('Global limit (max sum of all file-sizes) in file-settings: ' . $size_limit_bytes . ' bytes');
        // get sum of individual file-sizes
        $total_bytes = 0;
        $this->calculateRecursive($object_ref_ids, $total_bytes);
        $this->logger->debug('Calculated sum of all file-sizes: ' . $total_bytes . 'MB');
        // check if calculated total size adheres top global limit
        $adheres_to_limit = new BooleanValue();
        $adheres_to_limit->setValue(true);
        if ($total_bytes > $size_limit_bytes) {
            $adheres_to_limit->setValue(false);
        }

        $definition->setSumFileSizes($total_bytes);
        $definition->setAdheresToLimit($adheres_to_limit);

        return $definition;
    }

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validateAccess()

ilCheckSumOfFileSizesJob::validateAccess (   $ref_id )

protected

Check file access.

Parameters

int

$ref_id

Returns

boolean

Definition at line 149 of file class.ilCheckSumOfFileSizesJob.php.

References $DIC, and ilObject\_isInTrash().

Referenced by calculateRecursive().

    {
        global $DIC;
        $ilAccess = $DIC['ilAccess'];

        if (!$ilAccess->checkAccess("read", "", $ref_id)) {
            return false;
        }

        if (ilObject::_isInTrash($ref_id)) {
            return false;
        }

        return true;
    }

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Field Documentation

$logger

ilCheckSumOfFileSizesJob::$logger = null

private

Definition at line 20 of file class.ilCheckSumOfFileSizesJob.php.

$settings

ilCheckSumOfFileSizesJob::$settings

protected

Definition at line 24 of file class.ilCheckSumOfFileSizesJob.php.

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The documentation for this class was generated from the following file:

• Services/BackgroundTasks/classes/Jobs/class.ilCheckSumOfFileSizesJob.php