ilBadgeBackpack Class Reference

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V. More...

Collaboration diagram for ilBadgeBackpack:

Public Member Functions
	__construct (string $a_email)
	getGroups ()
	getBadges (string $a_group_id)

Data Fields
const	URL_DISPLAYER = "https://backpack.openbadges.org/displayer/"

Protected Member Functions
	authenticate ()
	sendRequest (string $a_url, array $a_param=array(), bool $a_is_post=false)

Protected Attributes
string	$email
int	$uid

Private Attributes
ilGlobalTemplateInterface	$main_tpl

Detailed Description

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V.

ILIAS is licensed with the GPL-3.0, see https://www.gnu.org/licenses/gpl-3.0.en.html You should have received a copy of said license along with the source code, too.

If this is not the case or you just want to try ILIAS, you'll find us at: https://www.ilias.de https://github.com/ILIAS-eLearning Class ilBadgeBackpack

Author

Jörg Lützenkirchen luetz.nosp@m.enki.nosp@m.rchen.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Definition at line 23 of file class.ilBadgeBackpack.php.

Constructor & Destructor Documentation

__construct()

ilBadgeBackpack::__construct

(

string

$a_email

)

Definition at line 31 of file class.ilBadgeBackpack.php.

    {
        global $DIC;
        $this->main_tpl = $DIC->ui()->mainTemplate();
        $this->email = $a_email;
    }

References $DIC.

Member Function Documentation

authenticate()

ilBadgeBackpack::authenticate ( )

protected

Definition at line 38 of file class.ilBadgeBackpack.php.

                                     : bool
    {
        $json = $this->sendRequest(
            self::URL_DISPLAYER . "convert/email",
            array("email" => $this->email),
            true
        );
 
        if (!isset($json->status) ||
            $json->status !== "okay") {
            return false;
        }
 
        $this->uid = $json->userId;
        return true;
    }

References sendRequest().

Referenced by getBadges(), and getGroups().

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getBadges()

ilBadgeBackpack::getBadges

(

string

$a_group_id

)

Definition at line 76 of file class.ilBadgeBackpack.php.

                                                 : ?array
    {
        if ($this->authenticate()) {
            $json = $this->sendRequest(
                self::URL_DISPLAYER . $this->uid . "/group/" . $a_group_id . ".json"
            );
 
            if ($json === null) {
                return null;
            }
 
            if (property_exists($json, 'status') && $json->status === "missing") {
                return null;
            }
 
            $result = [];
 
            foreach ($json->badges as $raw) {
                $badge = $raw->assertion->badge;
 
                // :TODO: not sure if this works reliably
                $issued_on = is_numeric($raw->assertion->issued_on)
                    ? $raw->assertion->issued_on
                    : strtotime($raw->assertion->issued_on);
 
                $result[] = [
                    "title" => $badge->name,
                    "description" => $badge->description,
                    "image_url" => $badge->image,
                    "criteria_url" => $badge->criteria,
                    "issuer_name" => $badge->issuer->name,
                    "issuer_url" => $badge->issuer->origin,
                    "issued_on" => new ilDate($issued_on, IL_CAL_UNIX)
                ];
            }
 
            return $result;
        }
        return null;
    }

References authenticate(), IL_CAL_UNIX, and sendRequest().

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getGroups()

ilBadgeBackpack::getGroups

(

)

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

                               : array
    {
        if ($this->authenticate()) {
            $json = $this->sendRequest(
                self::URL_DISPLAYER . $this->uid . "/groups.json"
            );
 
            $result = array();
 
            foreach ($json->groups as $group) {
                $result[$group->groupId] = array(
                    "title" => $group->name,
                    "size" => $group->badges
                );
            }
 
            return $result;
        }
        return [];
    }

References authenticate(), and sendRequest().

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sendRequest()

ilBadgeBackpack::sendRequest ( string  $a_url, array  $a_param = array(), bool  $a_is_post = false  )

protected

Definition at line 117 of file class.ilBadgeBackpack.php.

     : ?stdClass {
        try {
            $curl = new ilCurlConnection();
            $curl->init(false);
 
            $curl->setOpt(CURLOPT_FRESH_CONNECT, true);
            $curl->setOpt(CURLOPT_RETURNTRANSFER, true);
            $curl->setOpt(CURLOPT_FORBID_REUSE, true);
            $curl->setOpt(CURLOPT_HEADER, 0);
            $curl->setOpt(CURLOPT_CONNECTTIMEOUT, 3);
            $curl->setOpt(CURLOPT_POSTREDIR, 3);
 
            // :TODO: SSL problems on test server
            $curl->setOpt(CURLOPT_SSL_VERIFYPEER, false);
 
            $curl->setOpt(CURLOPT_HTTPHEADER, array(
                    "Accept: application/json",
                    "Expect:"
            ));
 
            if ($a_is_post) {
                $curl->setOpt(CURLOPT_POST, 1);
                if (count($a_param)) {
                    $curl->setOpt(CURLOPT_POSTFIELDS, http_build_query($a_param));
                }
            } else {
                $curl->setOpt(CURLOPT_HTTPGET, 1);
                if (count($a_param)) {
                    $a_url .= (strpos($a_url, "?") === false ? "?" : "") . http_build_query($a_param);
                }
            }
            $curl->setOpt(CURLOPT_URL, $a_url);
 
            $answer = $curl->exec();
        } catch (Exception $ex) {
            $this->main_tpl->setOnScreenMessage('failure', $ex->getMessage());
            return null;
        }
 
        return json_decode($answer, false, 512, JSON_THROW_ON_ERROR);
    }

Referenced by authenticate(), getBadges(), and getGroups().

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Field Documentation

$email

string ilBadgeBackpack::$email

protected

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

$main_tpl

ilGlobalTemplateInterface ilBadgeBackpack::$main_tpl

private

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

$uid

int ilBadgeBackpack::$uid

protected

Definition at line 28 of file class.ilBadgeBackpack.php.

URL_DISPLAYER

const ilBadgeBackpack::URL_DISPLAYER = "https://backpack.openbadges.org/displayer/"

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

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

• Services/Badge/classes/class.ilBadgeBackpack.php