ilParticipant Class Reference

Base class for course and group participant. More...

Inheritance diagram for ilParticipant:

Collaboration diagram for ilParticipant:

Public Member Functions
	getUserId ()
	get user id
	isBlocked ()
	isAssigned ()
	isMember ()
	isAdmin ()
	isTutor ()
	isParticipant ()
	getNumberOfMembers ()
	add ($a_usr_id, $a_role)
	Add user to course.
	delete ($a_usr_id)
	Drop user from all roles.
	deleteSubscriber ($a_usr_id)
	Delete subsciber.
	addDesktopItem ($a_usr_id)
	Add desktop item.
	dropDesktopItem ($a_usr_id)
	Drop desktop item.
	updateNotification ($a_usr_id, $a_notification)
	Update notification status.
	checkLastAdmin ($a_usr_ids)
	Check if user for deletion are last admins.

Protected Member Functions
	__construct ($a_obj_id, $a_usr_id)
	Singleton Constructor.
	readParticipant ()
	Read participant.
	readParticipantStatus ()
	Read participant status ilDB $ilDB.

Protected Attributes
	$type = ''

Private Attributes
	$obj_id = 0
	$usr_id = 0
	$ref_id = 0
	$participants = false
	$admins = false
	$tutors = false
	$members = false
	$numMembers = 0
	$participants_status = array()

Detailed Description

Base class for course and group participant.

Author

Stefan Meyer smeye.nosp@m.r.il.nosp@m.ias@g.nosp@m.mx.d.nosp@m.e

Version

$Id$

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

Constructor & Destructor Documentation

ilParticipant::__construct (   $a_obj_id,   $a_usr_id  )

protected

Singleton Constructor.

protected

Parameters

int	obj_id of container

Reimplemented in ilCourseParticipant.

Definition at line 56 of file class.ilParticipant.php.

References $lng, ilObject\_getAllReferences(), ilObject\_lookupType(), readParticipant(), and readParticipantStatus().

        {
                global $ilDB,$lng;
                
                $this->obj_id = $a_obj_id;
                $this->usr_id = $a_usr_id;
                $this->type = ilObject::_lookupType($a_obj_id);
                $ref_ids = ilObject::_getAllReferences($this->obj_id);
                $this->ref_id = current($ref_ids);
                
                $this->readParticipant();
                $this->readParticipantStatus();
        }

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Member Function Documentation

ilParticipant::add	(		$a_usr_id,
			$a_role
	)

Add user to course.

public

Parameters

int	user id
int	role IL_CRS_ADMIN || IL_CRS_TUTOR || IL_CRS_MEMBER

global ilRbacReview $rbacreview

Definition at line 239 of file class.ilParticipant.php.

References $ilLog, addDesktopItem(), deleteSubscriber(), ilWaitingList\deleteUserEntry(), IL_CRS_ADMIN, IL_CRS_MEMBER, IL_CRS_TUTOR, IL_GRP_ADMIN, and IL_GRP_MEMBER.

        {
                global $rbacadmin,$ilLog,$ilAppEventHandler,$rbacreview;
                

                if($rbacreview->isAssignedToAtLeastOneGivenRole($a_usr_id,$this->roles))
                {
                        return false;
                }
                
                switch($a_role)
                {
                        case IL_CRS_ADMIN:
                                $this->admins = true;
                                break;

                        case IL_CRS_TUTOR:
                                $this->tutors = true;
                                break;

                        case IL_CRS_MEMBER:
                                $this->members = true;                          
                                break;
                                
                        case IL_GRP_ADMIN:
                                $this->admins = true;
                                break;
                                
                        case IL_GRP_MEMBER:
                                $this->members = true;
                                break;
                }

                $rbacadmin->assignUser($this->role_data[$a_role],$a_usr_id);
                $this->addDesktopItem($a_usr_id);
                
                // Delete subscription request
                $this->deleteSubscriber($a_usr_id);
                
                include_once './Services/Membership/classes/class.ilWaitingList.php';
                ilWaitingList::deleteUserEntry($a_usr_id,$this->obj_id);

                if($this->type == 'crs')
                {
                        // Add event: used for ecs accounts
                        $ilLog->write(__METHOD__.': Raise new event: Modules/Course addParticipant');
                        $ilAppEventHandler->raise("Modules/Course", "addParticipant", array('obj_id' => $this->obj_id, 'usr_id' => $a_usr_id,'role_id' => $a_role));
                }
                return true;
        }

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ilParticipant::addDesktopItem

(

$a_usr_id

)

Add desktop item.

public

Parameters

int

usr_id

Definition at line 345 of file class.ilParticipant.php.

References ilObjUser\_addDesktopItem(), and ilObjUser\_isDesktopItem().

Referenced by add().

        {
                if(!ilObjUser::_isDesktopItem($a_usr_id, $this->ref_id,$this->type))
                {
                        ilObjUser::_addDesktopItem($a_usr_id, $this->ref_id,$this->type);
                }
                return true;
        }

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ilParticipant::checkLastAdmin

(

$a_usr_ids

)

Check if user for deletion are last admins.

public

Parameters

array

array of user ids for deletion

Definition at line 419 of file class.ilParticipant.php.

References $query, $res, IL_CRS_ADMIN, and IL_GRP_ADMIN.

        {
                global $ilDB;
                
                $admin_role_id = 
                        $this->type == 'crs' ? 
                        $this->role_data[IL_CRS_ADMIN] :
                        $this->role_data[IL_GRP_ADMIN];
                
                
                $query = "
                SELECT                  COUNT(rolesusers.usr_id) cnt
                
                FROM                    object_data rdata
                
                LEFT JOIN               rbac_ua  rolesusers             
                ON                              rolesusers.rol_id = rdata.obj_id
                
                WHERE                   rdata.obj_id = %s
                ";
                
                $query .= ' AND '.$ilDB->in('rolesusers.usr_id', $a_usr_ids, true, 'integer');          
                $res = $ilDB->queryF($query, array('integer'), array($admin_role_id));          

                $data = $ilDB->fetchAssoc($res);
                                        
                return (int)$data['cnt'] > 0;   
        }

ilParticipant::delete

(

$a_usr_id

)

Drop user from all roles.

public

Parameters

int

usr_id

Definition at line 297 of file class.ilParticipant.php.

References $query, $res, and dropDesktopItem().

        {
                global $rbacadmin,$ilDB, $ilAppEventHandler;
                
                $this->dropDesktopItem($a_usr_id);
                foreach($this->roles as $role_id)
                {
                        $rbacadmin->deassignUser($role_id,$a_usr_id);
                }
                
                $query = "DELETE FROM obj_members ".
                        "WHERE usr_id = ".$ilDB->quote($a_usr_id ,'integer')." ".
                        "AND obj_id = ".$ilDB->quote($this->obj_id ,'integer');
                $res = $ilDB->manipulate($query);
                
                if($this->type == 'crs')
                {
                        // Add event: used for ecs accounts
                        $ilAppEventHandler->raise("Modules/Course", "deleteParticipant", array('obj_id' => $this->obj_id, 'usr_id' => $a_usr_id));
                }               
                
                return true;
        }

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ilParticipant::deleteSubscriber

(

$a_usr_id

)

Delete subsciber.

public

Definition at line 326 of file class.ilParticipant.php.

References $query, and $res.

Referenced by add().

        {
                global $ilDB;

                $query = "DELETE FROM il_subscribers ".
                        "WHERE usr_id = ".$ilDB->quote($a_usr_id ,'integer')." ".
                        "AND obj_id = ".$ilDB->quote($this->obj_id ,'integer')." ";
                $res = $ilDB->manipulate($query);

                return true;
        }

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ilParticipant::dropDesktopItem

(

$a_usr_id

)

Drop desktop item.

public

Parameters

int

usr_id

Definition at line 361 of file class.ilParticipant.php.

References ilObjUser\_dropDesktopItem(), and ilObjUser\_isDesktopItem().

Referenced by delete().

        {
                if(ilObjUser::_isDesktopItem($a_usr_id, $this->ref_id,$this->type))
                {
                        ilObjUser::_dropDesktopItem($a_usr_id, $this->ref_id,$this->type);
                }

                return true;
        }

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ilParticipant::getNumberOfMembers

(

)

Definition at line 109 of file class.ilParticipant.php.

References $numMembers.

        {
                return $this->numMembers;
        }

ilParticipant::getUserId

(

)

get user id

Returns

int

Definition at line 74 of file class.ilParticipant.php.

References $usr_id.

Referenced by isBlocked(), and readParticipantStatus().

        {
                return $this->usr_id;
        }

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ilParticipant::isAdmin

(

)

Definition at line 94 of file class.ilParticipant.php.

References $admins.

        {
                return $this->admins;
        }

ilParticipant::isAssigned

(

)

Definition at line 84 of file class.ilParticipant.php.

References $participants.

        {
                return (bool) $this->participants;
        }

ilParticipant::isBlocked

(

)

Definition at line 79 of file class.ilParticipant.php.

References getUserId().

        {
                return (bool) $this->participants_status[$this->getUserId()]['blocked'];
        }

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ilParticipant::isMember

(

)

Definition at line 89 of file class.ilParticipant.php.

References $members.

        {
                return (bool) $this->members;
        }

ilParticipant::isParticipant

(

)

Definition at line 104 of file class.ilParticipant.php.

References $participants.

        {
                return (bool) $this->participants;
        }

ilParticipant::isTutor

(

)

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

References $tutors.

        {
                return (bool) $this->tutors;
        }

ilParticipant::readParticipant ( )

protected

Read participant.

Returns

void

Definition at line 119 of file class.ilParticipant.php.

References $ilLog, IL_CRS_ADMIN, IL_CRS_MEMBER, IL_CRS_TUTOR, IL_GRP_ADMIN, and IL_GRP_MEMBER.

Referenced by __construct().

        {
                global $rbacreview,$ilObjDataCache,$ilLog;

                $rolf = $rbacreview->getRoleFolderOfObject($this->ref_id);

                if(!isset($rolf['ref_id']) or !$rolf['ref_id'])
                {
                        $title = $ilObjDataCache->lookupTitle($ilObjDataCache->lookupObjId($this->ref_id));
                        #$ilLog->write(__METHOD__.': Found object without role folder. Ref_id: '.$this->ref_id.', title: '.$title);
                        #$ilLog->logStack();
                        return false;
                }

                $this->roles = $rbacreview->getRolesOfRoleFolder($rolf['ref_id'],false);

                $users = array();
                $this->participants = array();
                $this->members = $this->admins = $this->tutors = array();
                
                $member_roles = array();

                foreach($this->roles as $role_id)
                {
                        $title = $ilObjDataCache->lookupTitle($role_id);
                        switch(substr($title,0,8))
                        {
                                case 'il_crs_m':
                                        $member_roles[] = $role_id;
                                        $this->role_data[IL_CRS_MEMBER] = $role_id;
                                        if($rbacreview->isAssigned($this->getUserId(),$role_id))
                                        {
                                                $this->participants = true;
                                                $this->members = true;
                                        }
                                        break;

                                case 'il_crs_a':
                                        $this->role_data[IL_CRS_ADMIN] = $role_id;
                                        if($rbacreview->isAssigned($this->getUserId(),$role_id))
                                        {
                                                $this->participants = true;
                                                $this->admins = true;
                                        }
                                        break;

                                case 'il_crs_t':
                                        $this->role_data[IL_CRS_TUTOR] = $role_id;
                                        if($rbacreview->isAssigned($this->getUserId(),$role_id))
                                        {
                                                $this->participants = true;
                                                $this->tutors = true;
                                        }
                                        break;

                                case 'il_grp_a':
                                        $this->role_data[IL_GRP_ADMIN] = $role_id;
                                        if($rbacreview->isAssigned($this->getUserId(),$role_id))
                                        {
                                                $this->participants = true;
                                                $this->admins = true;
                                        }
                                        break;

                                case 'il_grp_m':
                                        $member_roles[] = $role_id;
                                        $this->role_data[IL_GRP_MEMBER] = $role_id;
                                        if($rbacreview->isAssigned($this->getUserId(),$role_id))
                                        {
                                                $this->participants = true;
                                                $this->members = true;
                                        }
                                        break;

                                default:
                                        
                                        $member_roles[] = $role_id;
                                        if($rbacreview->isAssigned($this->getUserId(),$role_id))
                                        {
                                                $this->participants = true;
                                                $this->members = true;
                                        }
                                        break;
                        }
                }
                $this->numMembers = $rbacreview->getNumberOfAssignedUsers((array) $member_roles);
        }

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ilParticipant::readParticipantStatus ( )

protected

Read participant status ilDB $ilDB.

Definition at line 211 of file class.ilParticipant.php.

References $query, $res, $row, DB_FETCHMODE_OBJECT, and getUserId().

Referenced by __construct().

        {
                global $ilDB;

                $query = "SELECT * FROM obj_members ".
                        "WHERE obj_id = ".$ilDB->quote($this->obj_id ,'integer')." ".
                        'AND usr_id = '.$ilDB->quote($this->getUserId(),'integer');

                $res = $ilDB->query($query);
                $this->participants_status = array();
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $this->participants_status[$this->getUserId()]['blocked'] = $row->blocked;
                        $this->participants_status[$this->getUserId()]['notification']  = $row->notification;
                        $this->participants_status[$this->getUserId()]['passed'] = $row->passed;
                }
        }

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ilParticipant::updateNotification	(		$a_usr_id,
			$a_notification
	)

Update notification status.

public

Parameters

int	usr_id
bool	passed

Definition at line 379 of file class.ilParticipant.php.

References $query, and $res.

        {
                global $ilDB;
                
                $this->participants_status[$a_usr_id]['notification'] = (int) $a_notification;

                $query = "SELECT * FROM obj_members ".
                        "WHERE obj_id = ".$ilDB->quote($this->obj_id ,'integer')." ".
                        "AND usr_id = ".$ilDB->quote($a_usr_id ,'integer');
                $res = $ilDB->query($query);
                if($res->numRows())
                {
                        $query = "UPDATE obj_members SET ".
                                "notification = ".$ilDB->quote((int) $a_notification ,'integer')." ".
                                "WHERE obj_id = ".$ilDB->quote($this->obj_id ,'integer')." ".
                                "AND usr_id = ".$ilDB->quote($a_usr_id ,'integer');
                }
                else
                {
                        $query = "INSERT INTO obj_members (notification,obj_id,usr_id,passed,blocked) ".
                                "VALUES ( ".
                                $ilDB->quote((int) $a_notification ,'integer').", ".
                                $ilDB->quote($this->obj_id ,'integer').", ".
                                $ilDB->quote($a_usr_id ,'integer').", ".
                                $ilDB->quote(0,'integer').", ".
                                $ilDB->quote(0,'integer').
                                ")";
                        
                }
                $res = $ilDB->manipulate($query);
                return true;
        }

Field Documentation

ilParticipant::$admins = false

private

Definition at line 42 of file class.ilParticipant.php.

Referenced by isAdmin().

ilParticipant::$members = false

private

Definition at line 44 of file class.ilParticipant.php.

Referenced by isMember().

ilParticipant::$numMembers = 0

private

Definition at line 46 of file class.ilParticipant.php.

Referenced by getNumberOfMembers().

ilParticipant::$obj_id = 0

private

Definition at line 36 of file class.ilParticipant.php.

ilParticipant::$participants = false

private

Definition at line 41 of file class.ilParticipant.php.

Referenced by isAssigned(), and isParticipant().

ilParticipant::$participants_status = array()

private

Definition at line 48 of file class.ilParticipant.php.

ilParticipant::$ref_id = 0

private

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

ilParticipant::$tutors = false

private

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

Referenced by isTutor().

ilParticipant::$type = ''

protected

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

ilParticipant::$usr_id = 0

private

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

Referenced by getUserId().

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

• Services/Membership/classes/class.ilParticipant.php