ilPollImagesMigration Class Reference

Inheritance diagram for ilPollImagesMigration:

Collaboration diagram for ilPollImagesMigration:

Public Member Functions
	getLabel ()
	getDefaultAmountOfStepsPerRun ()
	Tell the default amount of steps to be executed for one run of the migration. More...
	getPreconditions (Environment $environment)
	Objectives the migration depend on. More...
	prepare (Environment $environment)
	Prepare the migration by means of some environment. More...
	step (Environment $environment)
	Run one step of the migration. More...
	getRemainingAmountOfSteps ()
	Count up how many "things" need to be migrated. More...
	getImageFullPath (string $img, int $id)

Protected Member Functions
	getThumbnailImagePath (string $img, int $id)
	getOrgImagePath (string $img, int $id)
	getLegacyPath (int $a_id)

Protected Attributes
ilDBInterface	$db

Additional Inherited Members
Data Fields inherited from ILIAS\Setup\Migration
const	INFINITE = -1

Detailed Description

Definition at line 25 of file class.ilPollImagesMigration.php.

Member Function Documentation

getDefaultAmountOfStepsPerRun()

ilPollImagesMigration::getDefaultAmountOfStepsPerRun

(

)

Tell the default amount of steps to be executed for one run of the migration.

Return Migration::INFINITE if all units should be migrated at once.

Implements ILIAS\Setup\Migration.

Definition at line 34 of file class.ilPollImagesMigration.php.

                                                   : int
    {
        return 5;
    }

getImageFullPath()

ilPollImagesMigration::getImageFullPath	(	string	$img,
		int	$id
	)

Definition at line 105 of file class.ilPollImagesMigration.php.

References getLegacyPath().

Referenced by step().

                                                          : ?string
    {
        return $this->getLegacyPath($id) . '/' . $img;
    }

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getLabel()

ilPollImagesMigration::getLabel

(

)

Returns

string - a meaningful and concise description for your migration.

Implements ILIAS\Setup\Migration.

Definition at line 29 of file class.ilPollImagesMigration.php.

                              : string
    {
        return "PollImagesMigration";
    }

getLegacyPath()

ilPollImagesMigration::getLegacyPath ( int  $a_id )

protected

Definition at line 120 of file class.ilPollImagesMigration.php.

References $path, CLIENT_WEB_DIR, and ilFileSystemAbstractionStorage\createPathFromId().

Referenced by getImageFullPath(), getOrgImagePath(), and getThumbnailImagePath().

                                               : string
    {
        $path = 'sec/ilPoll/' . ilFileSystemAbstractionStorage::createPathFromId($a_id, 'poll');
        return rtrim(CLIENT_WEB_DIR, '/') . '/' . rtrim($path, '/');
    }

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getOrgImagePath()

ilPollImagesMigration::getOrgImagePath ( string  $img, int  $id  )

protected

Definition at line 115 of file class.ilPollImagesMigration.php.

References getLegacyPath().

Referenced by step().

                                                            : string
    {
        return $this->getLegacyPath($id) . "/org_" . $img;
    }

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getPreconditions()

ilPollImagesMigration::getPreconditions

(

Environment

$environment

)

Objectives the migration depend on.

Exceptions

UnachievableException

if the objective is not achievable

Returns

Objective[]

Implements ILIAS\Setup\Migration.

Definition at line 39 of file class.ilPollImagesMigration.php.

     : array {
        return [
            new ilIniFilesLoadedObjective(),
            new ilDatabaseInitializedObjective(),
            new ilDatabaseUpdatedObjective(),
        ];
    }

getRemainingAmountOfSteps()

ilPollImagesMigration::getRemainingAmountOfSteps

(

)

Count up how many "things" need to be migrated.

This helps the admin to decide how big he can create the steps and also how long a migration takes

Implements ILIAS\Setup\Migration.

Definition at line 96 of file class.ilPollImagesMigration.php.

References $res.

                                               : int
    {
        $res = $this->db->query(
            'SELECT COUNT(*) AS count FROM il_poll WHERE migrated = 0'
        );
        $row = $this->db->fetchAssoc($res);
        return (int) $row['count'];
    }

getThumbnailImagePath()

ilPollImagesMigration::getThumbnailImagePath ( string  $img, int  $id  )

protected

Definition at line 110 of file class.ilPollImagesMigration.php.

References getLegacyPath().

Referenced by step().

                                                                  : string
    {
        return $this->getLegacyPath($id) . "/thb_" . $img;
    }

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prepare()

ilPollImagesMigration::prepare

(

Environment

$environment

)

Prepare the migration by means of some environment.

This is not supposed to modify the environment, but will be run to prime the migration object to run step and getRemainingAmountOfSteps afterwards.

Implements ILIAS\Setup\Migration.

Definition at line 49 of file class.ilPollImagesMigration.php.

References ILIAS\Setup\Environment\getResource().

     : void {
        $this->db = $environment->getResource(Environment::RESOURCE_DATABASE);
    }

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step()

ilPollImagesMigration::step

(

Environment

$environment

)

Run one step of the migration.

Implements ILIAS\Setup\Migration.

Definition at line 55 of file class.ilPollImagesMigration.php.

References $id, $res, getImageFullPath(), getOrgImagePath(), getThumbnailImagePath(), ILIAS\Repository\int(), null, ilDBConstants\T_INTEGER, and ilDBConstants\T_TEXT.

     : void {
        $res = $this->db->query("SELECT id, image FROM il_poll WHERE migrated = 0 LIMIT 1");
        $row = $res->fetchAssoc();
        $image = $row["image"] ?? "";
        $id = (int) $row["id"];

        if ($image === "") {
            $this->db->manipulate("UPDATE il_poll SET migrated = 1 WHERE id = " . $this->db->quote($id, ilDBConstants::T_INTEGER));
            return;
        }

        $file_path = $this->getImageFullPath($image, $id);
        $thumbnail_path = $this->getThumbnailImagePath($image, $id);
        $org_path = $this->getOrgImagePath($image, $id);
        $stakeholder = (new ilPollImageRepositoryStakeholder())->withUserId(6);
        $irss_helper = new ilResourceStorageMigrationHelper($stakeholder, $environment);
        $rid = $irss_helper->movePathToStorage($file_path, 6, null, null, false);
        $rid_thumbnail = $irss_helper->movePathToStorage($thumbnail_path, 6, null, null, false);
        $org_thumbnail = $irss_helper->movePathToStorage($org_path, 6, null, null, false);

        $res_existing = $this->db->query("SELECT * FROM il_poll_image WHERE object_id = " . $this->db->quote($id, ilDBConstants::T_INTEGER));
        $row_existing = $res_existing->fetchAssoc();
        if (is_null($row_existing)) {
            $this->db->manipulate(
                "INSERT INTO il_poll_image (object_id, rid) VALUES "
                . " (" . $this->db->quote($id, ilDBConstants::T_INTEGER)
                . ", " . $this->db->quote($rid->serialize(), ilDBConstants::T_TEXT) . ")"
            );
        }

        if (!is_null($row_existing)) {
            $irss_helper->getResourceBuilder()->remove($irss_helper->getResourceBuilder()->get($rid), $stakeholder);
        }
        $irss_helper->getResourceBuilder()->remove($irss_helper->getResourceBuilder()->get($rid_thumbnail), $stakeholder);
        $irss_helper->getResourceBuilder()->remove($irss_helper->getResourceBuilder()->get($org_thumbnail), $stakeholder);

        $this->db->manipulate("UPDATE il_poll SET migrated = 1 WHERE id = " . $this->db->quote($id, ilDBConstants::T_INTEGER));
    }

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Field Documentation

$db

ilDBInterface ilPollImagesMigration::$db

protected

Definition at line 27 of file class.ilPollImagesMigration.php.

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

• components/ILIAS/Poll/classes/Setup/class.ilPollImagesMigration.php