ilObjContentObjectAccess Class Reference

Class ilObjContentObjectAccess. More...

Inheritance diagram for ilObjContentObjectAccess:

Collaboration diagram for ilObjContentObjectAccess:

Public Member Functions
	__construct ()
	Constructor. More...
	_checkAccess ($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id="")
	checks wether a user may invoke a command or not (this method is called by ilAccessHandler::checkAccess) More...
Public Member Functions inherited from ilObjectAccess
	_checkAccess ($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id="")
	Checks wether a user may invoke a command or not (this method is called by ilAccessHandler::checkAccess) More...
	_checkCondition ($a_obj_id, $a_operator, $a_value, $a_usr_id)
	check condition More...
	canBeDelivered (ilWACPath $ilWACPath)
	Parameters ilWACPath $ilWACPath Returns bool More...
	canBeDelivered (ilWACPath $ilWACPath)

Static Public Member Functions
static	_getLastAccessedPage ($a_ref_id, $a_user_id="")
	get last accessed page More...
static	_checkGoto ($a_target)
	check whether goto script will succeed More...
static	_preloadData ($a_obj_ids, $a_ref_ids)
	Preload data. More...
Static Public Member Functions inherited from ilObjectAccess
static	_getCommands ()
	get commands More...
static	_checkGoto ($a_target)
	check whether goto script will succeed More...
static	_isOffline ($a_obj_id)
	Type-specific implementation of general status, has to be overwritten if object type does not support centralized offline handling. More...
static	_preloadData ($a_obj_ids, $a_ref_ids)
	Preload data. More...

Static Public Attributes
static	$lo_access

Protected Attributes
	$user
	$lng
	$rbacsystem
	$access

Detailed Description

Class ilObjContentObjectAccess.

Author

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

Version

$Id$

Definition at line 17 of file class.ilObjContentObjectAccess.php.

Constructor & Destructor Documentation

__construct()

ilObjContentObjectAccess::__construct

(

)

Constructor.

Reimplemented in ilObjLearningModuleAccess.

Definition at line 43 of file class.ilObjContentObjectAccess.php.

    {
        global $DIC;
 
        $this->user = $DIC->user();
        $this->lng = $DIC->language();
        $this->rbacsystem = $DIC->rbac()->system();
        $this->access = $DIC->access();
    }

References $DIC, and user().

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Member Function Documentation

_checkAccess()

ilObjContentObjectAccess::_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 67 of file class.ilObjContentObjectAccess.php.

    {
        $ilUser = $this->user;
        $lng = $this->lng;
        $rbacsystem = $this->rbacsystem;
        $ilAccess = $this->access;
 
        if ($a_user_id == "") {
            $a_user_id = $ilUser->getId();
        }
 
        switch ($a_cmd) {
            case "continue":
 
                // continue is now default and works all the time
                // see ilLMPresentationGUI::resume()
                /*
                if ($ilUser->getId() == ANONYMOUS_USER_ID)
                {
                    $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("lm_no_continue_for_anonym"));
                    return false;
                }
                if (ilObjContentObjectAccess::_getLastAccessedPage($a_ref_id,$a_user_id) <= 0)
                {
                    $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("not_accessed_yet"));
                    return false;
                }
                */
                break;
                
            // for permission query feature
            case "info":
                if (!ilObject::lookupOfflineStatus($a_obj_id)) {
                    $ilAccess->addInfoItem(IL_STATUS_MESSAGE, $lng->txt("online"));
                }
                break;
 
        }
 
        return true;
    }

References $access, $ilUser, $lng, $rbacsystem, $user, IL_STATUS_MESSAGE, and ilObject\lookupOfflineStatus().

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_checkGoto()

static ilObjContentObjectAccess::_checkGoto (   $a_target )

static

check whether goto script will succeed

Reimplemented from ilObjectAccess.

Definition at line 158 of file class.ilObjContentObjectAccess.php.

    {
        global $DIC;
 
        $ilAccess = $DIC->access();
        
        $t_arr = explode("_", $a_target);
 
        if (($t_arr[0] != "lm" && $t_arr[0] != "st"
            && $t_arr[0] != "pg")
            || ((int) $t_arr[1]) <= 0) {
            return false;
        }
 
        if ($t_arr[0] == "lm") {
            if ($ilAccess->checkAccess("read", "", $t_arr[1]) ||
                $ilAccess->checkAccess("visible", "", $t_arr[1])) {
                return true;
            }
        } else {
            if ($t_arr[2] > 0) {
                $ref_ids = array($t_arr[2]);
            } else {
                // determine learning object
                include_once("./Modules/LearningModule/classes/class.ilLMObject.php");
                $lm_id = ilLMObject::_lookupContObjID($t_arr[1]);
                $ref_ids = ilObject::_getAllReferences($lm_id);
            }
            // check read permissions
            foreach ($ref_ids as $ref_id) {
                // Permission check
                if ($ilAccess->checkAccess("read", "", $ref_id)) {
                    return true;
                }
            }
        }
        return false;
    }

References $DIC, ilObject\_getAllReferences(), and ilLMObject\_lookupContObjID().

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_getLastAccessedPage()

static ilObjContentObjectAccess::_getLastAccessedPage (   $a_ref_id,   $a_user_id = ""  )

static

get last accessed page

Parameters

int	$a_obj_id	content object id
int	$a_user_id	user object id

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

    {
        global $DIC;
 
        $ilDB = $DIC->database();
        $ilUser = $DIC->user();
        
        if ($a_user_id == "") {
            $a_user_id = $ilUser->getId();
        }
 
        if (isset(self::$lo_access[$a_ref_id])) {
            $acc_rec["obj_id"] = self::$lo_access[$a_ref_id];
        } else {
            $q = "SELECT * FROM lo_access WHERE " .
                "usr_id = " . $ilDB->quote($a_user_id, "integer") . " AND " .
                "lm_id = " . $ilDB->quote($a_ref_id, "integer");
    
            $acc_set = $ilDB->query($q);
            $acc_rec = $ilDB->fetchAssoc($acc_set);
        }
        
        if ($acc_rec["obj_id"] > 0) {
            $lm_id = ilObject::_lookupObjId($a_ref_id);
            $mtree = new ilTree($lm_id);
            $mtree->setTableNames('lm_tree', 'lm_data');
            $mtree->setTreeTablePK("lm_id");
            if ($mtree->isInTree($acc_rec["obj_id"])) {
                return $acc_rec["obj_id"];
            }
        }
        
        return 0;
    }

References $DIC, $ilDB, $ilUser, and ilObject\_lookupObjId().

Referenced by ilLMPresentationGUI\resume().

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_preloadData()

static ilObjContentObjectAccess::_preloadData (   $a_obj_ids,   $a_ref_ids  )

static

Preload data.

Parameters

array

$a_obj_ids

array of object ids

Reimplemented from ilObjectAccess.

Definition at line 202 of file class.ilObjContentObjectAccess.php.

    {
        global $DIC;
 
        $ilDB = $DIC->database();
        $ilUser = $DIC->user();
        
        $q = "SELECT obj_id, lm_id FROM lo_access WHERE " .
            "usr_id = " . $ilDB->quote($ilUser->getId(), "integer") . " AND " .
            $ilDB->in("lm_id", $a_ref_ids, false, "integer");
        ;
        $set = $ilDB->query($q);
        foreach ($a_ref_ids as $r) {
            self::$lo_access[$r] = 0;
        }
        while ($rec = $ilDB->fetchAssoc($set)) {
            self::$lo_access[$rec["lm_id"]] = $rec["obj_id"];
        }
    }

References $DIC, $ilDB, $ilUser, and $r.

Field Documentation

$access

ilObjContentObjectAccess::$access

protected

Definition at line 37 of file class.ilObjContentObjectAccess.php.

Referenced by _checkAccess().

$lng

ilObjContentObjectAccess::$lng

protected

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

Referenced by _checkAccess().

$lo_access

ilObjContentObjectAccess::$lo_access

static

Definition at line 53 of file class.ilObjContentObjectAccess.php.

$rbacsystem

ilObjContentObjectAccess::$rbacsystem

protected

Definition at line 32 of file class.ilObjContentObjectAccess.php.

Referenced by _checkAccess().

$user

ilObjContentObjectAccess::$user

protected

Definition at line 22 of file class.ilObjContentObjectAccess.php.

Referenced by _checkAccess().

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

• Modules/LearningModule/classes/class.ilObjContentObjectAccess.php