ilObjSAHSLearningModuleAccess Class Reference

Class ilObjContentObjectAccess. More...

Inheritance diagram for ilObjSAHSLearningModuleAccess:

Collaboration diagram for ilObjSAHSLearningModuleAccess:

Public Member Functions
	_checkAccess ($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id="")
	checks wether a user may invoke a command or not (this method is called by ilAccessHandler::checkAccess)
	_getCommands ()
	get commands
	_lookupOnline ($a_id)
	check wether learning module is online
	_checkGoto ($a_target)
	check whether goto script will succeed
	_lookupDiskUsage ($a_id)
	Returns the number of bytes used on the harddisk by the learning module with the specified object id.
Public Member Functions inherited from ilObjectAccess
	_checkCondition ($a_obj_id, $a_operator, $a_value, $a_usr_id=0)
	check condition

Static Public Member Functions
static	_lookupEditable ($a_obj_id)
	Lookup editable.
static	_lookupCertificate ($a_id)
	Checks whether the SCORM module has a certificate or not.
static	_lookupUserCertificate ($obj_id, $usr_id=0)
	Checks whether a certificate exists for the active user or not.

Detailed Description

Class ilObjContentObjectAccess.

Author

Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e

Version

Id:

class.ilObjSAHSLearningModuleAccess.php 22950 2010-02-11 14:33:32Z mjansen

Definition at line 35 of file class.ilObjSAHSLearningModuleAccess.php.

Member Function Documentation

ilObjSAHSLearningModuleAccess::_checkAccess	(		$a_cmd,
			$a_permission,
			$a_ref_id,
			$a_obj_id,
			$a_user_id = ""
	)

checks wether a user may invoke a command or not (this method is called by ilAccessHandler::checkAccess)

Parameters

string	$a_cmd	command (not permission!)
string	$a_permission	permission
int	$a_ref_id	reference id
int	$a_obj_id	object id
int	$a_user_id	user id (if not provided, current user is taken)

Returns

boolean true, if everything is ok

Reimplemented from ilObjectAccess.

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

References $lng, _lookupOnline(), and IL_NO_OBJECT_ACCESS.

    {
        global $ilUser, $lng, $rbacsystem, $ilAccess;

        if ($a_user_id == "")
        {
            $a_user_id = $ilUser->getId();
        }

        switch ($a_cmd)
        {
            case "view":

                if(!ilObjSAHSLearningModuleAccess::_lookupOnline($a_obj_id)
                    && !$rbacsystem->checkAccessOfUser($a_user_id,'write',$a_ref_id))
                {
                    $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
                    return false;
                }
                break;
        }

        switch ($a_permission)
        {
            case "visible":
                if (!ilObjSAHSLearningModuleAccess::_lookupOnline($a_obj_id) &&
                    (!$rbacsystem->checkAccessOfUser($a_user_id,'write', $a_ref_id)))
                {
                    $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
                    return false;
                }
                break;
        }


        return true;
    }

Here is the call graph for this function:

ilObjSAHSLearningModuleAccess::_checkGoto

(

$a_target

)

check whether goto script will succeed

Reimplemented from ilObjectAccess.

Definition at line 147 of file class.ilObjSAHSLearningModuleAccess.php.

    {
        global $ilAccess;
        
        $t_arr = explode("_", $a_target);

        if ($t_arr[0] != "sahs" || ((int) $t_arr[1]) <= 0)
        {
            return false;
        }

        if ($ilAccess->checkAccess("visible", "", $t_arr[1]))
        {
            return true;
        }
        return false;
    }

ilObjSAHSLearningModuleAccess::_getCommands

(

)

get commands

this method returns an array of all possible commands/permission combinations

example: $commands = array ( array("permission" => "read", "cmd" => "view", "lang_var" => "show"), array("permission" => "write", "cmd" => "edit", "lang_var" => "edit"), );

Reimplemented from ilObjectAccess.

Definition at line 99 of file class.ilObjSAHSLearningModuleAccess.php.

Referenced by ilObjSAHSLearningModuleListGUI\init().

    {
        $commands = array
        (
            array("permission" => "read", "cmd" => "view", "lang_var" => "show",
                "default" => true),
            array("permission" => "write", "cmd" => "edit", "lang_var" => "edit"),
        );
        
        return $commands;
    }

Here is the caller graph for this function:

static ilObjSAHSLearningModuleAccess::_lookupCertificate (   $a_id )

static

Checks whether the SCORM module has a certificate or not.

Parameters

int

user id.

Returns

true/false

Definition at line 184 of file class.ilObjSAHSLearningModuleAccess.php.

References ilSetting\_lookupValue().

Referenced by _lookupUserCertificate().

        {
                $certificatefile = CLIENT_WEB_DIR . "/certificates/scorm/" . $a_id . "/certificate.xml";
                if (@file_exists($certificatefile))
                {
                        return (ilSetting::_lookupValue('scorm', 'certificate_'.$a_id) == 1) ? true : false;
                }
                else
                {
                        return false;
                }
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilObjSAHSLearningModuleAccess::_lookupDiskUsage

(

$a_id

)

Returns the number of bytes used on the harddisk by the learning module with the specified object id.

Parameters

int	object id of a file object.

Definition at line 170 of file class.ilObjSAHSLearningModuleAccess.php.

References ilUtil\dirsize(), and ilUtil\getWebspaceDir().

Referenced by ilObjSAHSLearningModule\getDiskUsage().

    {
        $lm_data_dir = ilUtil::getWebspaceDir('filesystem')."/lm_data";
        $lm_dir = $lm_data_dir.DIRECTORY_SEPARATOR."lm_".$a_id;
        
        return file_exists($lm_dir) ? ilUtil::dirsize($lm_dir) : 0;
        
    }

Here is the call graph for this function:

Here is the caller graph for this function:

static ilObjSAHSLearningModuleAccess::_lookupEditable (   $a_obj_id )

static

Lookup editable.

Definition at line 132 of file class.ilObjSAHSLearningModuleAccess.php.

References $ilDB.

Referenced by ilObjSAHSLearningModuleListGUI\getCommandLink(), and ilObjSAHSLearningModuleListGUI\getProperties().

    {
                global $ilDB;
                
                $set = $ilDB->queryF('SELECT * FROM sahs_lm WHERE id = %s', 
                        array('integer'), array($a_obj_id));
                $rec = $ilDB->fetchAssoc($set);

                return $rec["editable"];
    }

Here is the caller graph for this function:

ilObjSAHSLearningModuleAccess::_lookupOnline

(

$a_id

)

check wether learning module is online

Definition at line 118 of file class.ilObjSAHSLearningModuleAccess.php.

References $ilDB, and ilUtil\yn2tf().

Referenced by _checkAccess(), and ilObjSAHSLearningModuleListGUI\getProperties().

    {
        global $ilDB;

        $set = $ilDB->queryF('SELECT * FROM sahs_lm WHERE id = %s', 
        array('integer'), array($a_id));
        $rec = $ilDB->fetchAssoc($set);
        
        return ilUtil::yn2tf($rec["c_online"]);
    }

Here is the call graph for this function:

Here is the caller graph for this function:

static ilObjSAHSLearningModuleAccess::_lookupUserCertificate (   $obj_id,   $usr_id = 0  )

static

Checks whether a certificate exists for the active user or not.

Parameters

int	obj_id Object ID of the SCORM Learning Module
int	usr_id Object ID of the user. If not given, the active user will be taken

Returns

true/false

Definition at line 203 of file class.ilObjSAHSLearningModuleAccess.php.

References $usr_id, ilObjUserTracking\_enabledLearningProgress(), ilLPStatusWrapper\_getCompleted(), ilObjSCORM2004LearningModule\_getCourseCompletionForUser(), ilObjSCORMLearningModule\_getCourseCompletionForUser(), _lookupCertificate(), and ilObjSAHSLearningModule\_lookupSubType().

Referenced by ilSCORMPresentationGUI\downloadCertificate(), ilObjSAHSLearningModuleListGUI\getProperties(), and ilSoapSCORMAdministration\hasSCORMCertificate().

        {
                global $ilUser;
                $uid = ($usr_id) ? $usr_id : $ilUser->getId();
                
                $completed = false;
                // check for certificates
                if (ilObjSAHSLearningModuleAccess::_lookupCertificate($obj_id))
                {
                        $lpdata = false;
                        include_once "./Modules/ScormAicc/classes/class.ilObjSAHSLearningModule.php";
                        $type = ilObjSAHSLearningModule::_lookupSubType($obj_id);
                        include_once("Services/Tracking/classes/class.ilObjUserTracking.php");
                        if (ilObjUserTracking::_enabledLearningProgress())
                        {
                                include_once "./Services/Tracking/classes/class.ilLPStatusWrapper.php";
                                $completed_user_ids_array = ilLPStatusWrapper::_getCompleted($obj_id);
                                if (in_array($uid, $completed_user_ids_array))
                                {
                                        $completed = true;
                                }
                                $lpdata = true;
                        }
                        switch ($type)
                        {
                                case "scorm":
                                        if (!$lpdata)
                                        {
                                                include_once "./Modules/ScormAicc/classes/class.ilObjSCORMLearningModule.php";
                                                $completed = ilObjSCORMLearningModule::_getCourseCompletionForUser($obj_id, $uid);
                                        }
                                        break;
                                case "scorm2004":
                                        if (!$lpdata)
                                        {
                                                include_once "./Modules/Scorm2004/classes/class.ilObjSCORM2004LearningModule.php";
                                                $completed = ilObjSCORM2004LearningModule::_getCourseCompletionForUser($obj_id, $uid);
                                        }
                                        break;
                                default:
                                        break;
                        }
                }
                return $completed;
        }

Here is the call graph for this function:

Here is the caller graph for this function:

---

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

• Modules/ScormAicc/classes/class.ilObjSAHSLearningModuleAccess.php