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 ($a_target)
	check whether goto script will succeed
	_getDiskSpaceUsed ($a_id)
	Returns the number of bytes used on the harddisk by the learning module with the specified object id.
	_getDiskSpaceUsedBy ($user_id, $as_string=false)
	Returns the number of bytes used on the harddisk by the user with the specified user id.
Public Member Functions inherited from ilObjectAccess
	_checkCondition ($a_obj_id, $a_operator, $a_value, $a_usr_id=0)
	check condition

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 16527 2008-05-02 21:42:43Z hholtmann

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;
    }

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ilObjSAHSLearningModuleAccess::_checkGoto

(

$a_target

)

check whether goto script will succeed

Reimplemented from ilObjectAccess.

Definition at line 132 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;
    }

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ilObjSAHSLearningModuleAccess::_getDiskSpaceUsed

(

$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 156 of file class.ilObjSAHSLearningModuleAccess.php.

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

Referenced by _getDiskSpaceUsedBy().

    {
        $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;
        
    }

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ilObjSAHSLearningModuleAccess::_getDiskSpaceUsedBy	(		$user_id,
			$as_string = false
	)

Returns the number of bytes used on the harddisk by the user with the specified user id.

Parameters

int

user id.

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

References $lng, $size, _getDiskSpaceUsed(), ilObjFileAccess\_sizeToString(), and DB_FETCHMODE_ASSOC.

    {
        // XXX - This method is extremely slow. We should
        // use a cache to speed it up, for example, we should
        // store the disk space used in a table of the sahs object.
        global $ilDB, $lng;
        
        
        $q = "SELECT obj_id ".
            "FROM object_data ".
            "WHERE type = 'sahs' ".
            "AND owner = ".$ilDB->quote($user_id);
        $us_set = $ilDB->query($q);
        $size = 0;
        $count = 0;
        while($us_rec = $us_set->fetchRow(DB_FETCHMODE_ASSOC))
        {
            $size += ilObjSAHSLearningModuleAccess::_getDiskSpaceUsed($us_rec["obj_id"]);
            $count++;
        }
        include_once("Modules/File/classes/class.ilObjFileAccess.php");
        return ($as_string) ? 
            $count.' '.$lng->txt('sahs').', '.ilObjFileAccess::_sizeToString($size) : 
            $size;
    }

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ilObjSAHSLearningModuleAccess::_lookupOnline

(

$a_id

)

check wether learning module is online

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

References DB_FETCHMODE_ASSOC, and ilUtil\yn2tf().

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

    {
        global $ilDB;

        $q = "SELECT * FROM sahs_lm WHERE id = ".$ilDB->quote($a_id);
        $set = $ilDB->query($q);
        $rec = $set->fetchRow(DB_FETCHMODE_ASSOC);

        return ilUtil::yn2tf($rec["online"]);
    }

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

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