ilBuddyList Class Reference

Class ilBuddyList. More...

Collaboration diagram for ilBuddyList:

Public Member Functions
	reset ()
	Remove the singleton instance from static array, used for unit tests. More...
	getRepository ()
	setRepository ($repository)
	readFromRepository ()
	getRelations ()
	setRelations (ilBuddySystemRelationCollection $relations)
	getOwnerId ()
	Returns the user id of the buddy list owner. More...
	getLinkedRelations ()
	Gets all linked/approved relations. More...
	getRequestRelationsForOwner ()
	Gets all requested relations the buddy list owner has to interact with. More...
	getRequestRelationsByOwner ()
	Gets all requested relations the buddy list owner initiated. More...
	getRequestedRelations ()
	Gets all requested relations. More...
	getIgnoredRelationsForOwner ()
	Gets all ignored relations the buddy list owner has to interact with. More...
	getIgnoredRelationsByOwner ()
	Gets all ignored relations the buddy list owner initiated. More...
	getIgnoredRelations ()
	Gets all ignored relations. More...
	getRelationUserIds ()
	Returns an array of all user ids the buddy list owner has a relation with. More...
	setOwnerId ($owner_id)
	getRelationByUserId ($usr_id)
	link (ilBuddySystemRelation $relation)
	unlink (ilBuddySystemRelation $relation)
	request (ilBuddySystemRelation $relation)
	ignore (ilBuddySystemRelation $relation)
	destroy ()
	Removes all buddy system references of the user (persistently) More...

Static Public Member Functions
static	getInstanceByUserId ($usr_id)

Protected Member Functions
	__construct ($owner_id)
	performLazyLoading ()
	getRelationTargetUserId (ilBuddySystemRelation $relation)

Protected Attributes
	$owner_id
	$relations
	$repository
	$relations_read = false

Static Protected Attributes
static	$instances = array()

Detailed Description

Class ilBuddyList.

Author

Michael Jansen mjans.nosp@m.en@d.nosp@m.ataba.nosp@m.y.de

Definition at line 18 of file class.ilBuddyList.php.

Constructor & Destructor Documentation

__construct()

ilBuddyList::__construct (   $owner_id )

protected

Definition at line 82 of file class.ilBuddyList.php.

        {
                $this->setOwnerId($owner_id);
                $this->setRepository(new ilBuddySystemRelationRepository($this->getOwnerId()));
        }

References $owner_id, getOwnerId(), setOwnerId(), and setRepository().

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Member Function Documentation

destroy()

ilBuddyList::destroy

(

)

Removes all buddy system references of the user (persistently)

Returns

self

Definition at line 454 of file class.ilBuddyList.php.

        {
                $this->getRepository()->destroy();
                $this->getRelations()->clear();
                return $this;
        }

References getRelations(), and getRepository().

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getIgnoredRelations()

ilBuddyList::getIgnoredRelations

(

)

Gets all ignored relations.

Returns

ilBuddySystemRelationCollection

Definition at line 238 of file class.ilBuddyList.php.

        {
                return $this->getRelations()->filter(function(ilBuddySystemRelation $relation) {
                        return $relation->isIgnored();
                });
        }

References getRelations(), and ilBuddySystemRelation\isIgnored().

Referenced by getIgnoredRelationsByOwner(), and getIgnoredRelationsForOwner().

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getIgnoredRelationsByOwner()

ilBuddyList::getIgnoredRelationsByOwner

(

)

Gets all ignored relations the buddy list owner initiated.

Returns

ilBuddySystemRelationCollection

Definition at line 226 of file class.ilBuddyList.php.

        {
                $owner = $this->getOwnerId();
                return $this->getIgnoredRelations()->filter(function(ilBuddySystemRelation $relation) use ($owner) {
                        return $relation->getUserId() == $owner;
                });
        }

References getIgnoredRelations(), getOwnerId(), and ilBuddySystemRelation\getUserId().

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getIgnoredRelationsForOwner()

ilBuddyList::getIgnoredRelationsForOwner

(

)

Gets all ignored relations the buddy list owner has to interact with.

Returns

ilBuddySystemRelationCollection

Definition at line 214 of file class.ilBuddyList.php.

        {
                $owner = $this->getOwnerId();
                return $this->getIgnoredRelations()->filter(function(ilBuddySystemRelation $relation) use ($owner) {
                        return $relation->getBuddyUserId() == $owner;
                });
        }

References ilBuddySystemRelation\getBuddyUserId(), getIgnoredRelations(), and getOwnerId().

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getInstanceByUserId()

static ilBuddyList::getInstanceByUserId (   $usr_id )

static

Parameters

int

$usr_id

Returns

self

Exceptions

ilBuddySystemException

Definition at line 50 of file class.ilBuddyList.php.

        {
                if(ilObjUser::_isAnonymous($usr_id))
                {
                        throw new ilBuddySystemException(sprintf("You cannot create an instance for the anonymous user (id: %s)", $usr_id));
                }
 
                if(isset(self::$instances[$usr_id]))
                {
                        return self::$instances[$usr_id];
                }
 
                self::$instances[$usr_id] = new self($usr_id);
                return self::$instances[$usr_id];
        }

References ilObjUser\_isAnonymous().

Referenced by ilBuddyListTest\testAlreadyGivenStateExceptionIsThrownWhenALinkedRelationShouldBeMarkedAsLinked(), ilBuddyListTest\testAlreadyGivenStateExceptionIsThrownWhenAnIgnoredRelationShouldBeMarkedAsIgnored(), ilBuddyListTest\testAlreadyGivenStateExceptionIsThrownWhenAnUnlinkedRelationShouldBeMarkedAsUnlinked(), ilBuddyListTest\testAlreadyGivenStateExceptionIsThrownWhenARequestedRelationShouldBeMarkedAsRequested(), ilBuddyListTest\testDifferentRelationStatesCanBeRetrieved(), ilBuddyListTest\testExceptionIsThrownWhenNonNumericOwnerIdIsPassed(), ilBuddyListTest\testExceptionIsThrownWhenRelationIsRequestedForANonNumericUserId(), ilBuddyListTest\testInstanceByBeCreatedBySingletonMethod(), ilBuddyListTest\testListIsInitiallyEmpty(), ilBuddyListTest\testRelationCannotBeRequestedForAnonymous(), ilBuddyListTest\testRelationCannotBeRequestedForUnknownUserAccounts(), ilBuddyListTest\testRelationRequestCanBeApprovedByTheRelationTarget(), ilBuddyListTest\testRelationRequestCanBeIgnoredByTheRelationTarget(), ilBuddyListTest\testRelationRequestCannotBeApprovedByTheRelationOwner(), ilBuddyListTest\testRelationRequestCannotBeIgnoredByTheRelationOwner(), ilBuddyListTest\testRepositoryIsEnquiredOnlyOnceToFetchRelationsWhenCalledImplicitly(), ilBuddyListTest\testRepositoryIsEnquiredToFetchRelationsWhenRequestedExplicitly(), ilBuddyListTest\testRepositoryIsEnquiredWhenBuddyListShouldBeDestroyed(), ilBuddyListTest\testStateTransitionExceptionIsThrownWhenALinkedRelationShouldBeMarkedAsIgnored(), ilBuddyListTest\testUnlinkedRelationIsReturnedWhenRelationWasRequestedForAUknownBuddyId(), and ilBuddyListTest\testValuesCanBeFetchedByGettersWhenSetBySetters().

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getLinkedRelations()

ilBuddyList::getLinkedRelations

(

)

Gets all linked/approved relations.

Returns

ilBuddySystemRelationCollection

Definition at line 168 of file class.ilBuddyList.php.

        {
                return $this->getRelations()->filter(function(ilBuddySystemRelation $relation) {
                        return $relation->isLinked();
                });
        }

References getRelations(), and ilBuddySystemRelation\isLinked().

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getOwnerId()

ilBuddyList::getOwnerId

(

)

Returns the user id of the buddy list owner.

Returns

int

Definition at line 159 of file class.ilBuddyList.php.

        {
                return $this->owner_id;
        }

References $owner_id.

Referenced by __construct(), getIgnoredRelationsByOwner(), getIgnoredRelationsForOwner(), getRelationByUserId(), getRequestRelationsByOwner(), getRequestRelationsForOwner(), ignore(), link(), and reset().

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getRelationByUserId()

ilBuddyList::getRelationByUserId

(

$usr_id

)

Parameters

int

$usr_id

Exceptions

InvalidArgumentException

Returns

ilBuddySystemRelation

Definition at line 282 of file class.ilBuddyList.php.

        {
                if(!is_numeric($usr_id))
                {
                        throw new InvalidArgumentException(sprintf("Please pass a numeric owner id, given: %s", var_export($usr_id, 1)));
                }
 
                if($this->getRelations()->containsKey($usr_id))
                {
                        return $this->getRelations()->get($usr_id);
                }
 
                require_once 'Services/Contact/BuddySystem/classes/states/class.ilBuddySystemRelationStateFactory.php';
                $relation = new ilBuddySystemRelation(ilBuddySystemRelationStateFactory::getInstance()->getInitialState());
                $relation->setIsOwnedByRequest(true);
                $relation->setUserId($this->getOwnerId());
                $relation->setBuddyUserId($usr_id);
                $relation->setTimestamp(time());
 
                $this->getRelations()->set($usr_id, $relation);
 
                return $relation;
        }

References ilBuddySystemRelationStateFactory\getInstance(), getOwnerId(), and getRelations().

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getRelations()

ilBuddyList::getRelations

(

)

Returns

ilBuddySystemRelationCollection

Definition at line 137 of file class.ilBuddyList.php.

        {
                if(null === $this->relations)
                {
                        $this->performLazyLoading();
                }
 
                return $this->relations;
        }

References $relations, and performLazyLoading().

Referenced by destroy(), getIgnoredRelations(), getLinkedRelations(), getRelationByUserId(), getRelationUserIds(), getRequestedRelations(), ignore(), link(), request(), and unlink().

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getRelationTargetUserId()

ilBuddyList::getRelationTargetUserId ( ilBuddySystemRelation  $relation )

protected

Parameters

ilBuddySystemRelation

$relation

Returns

int

Definition at line 272 of file class.ilBuddyList.php.

        {
                return ($relation->getUserId() == $this->getOwnerId() ? $relation->getBuddyUserId() : $relation->getUserId());
        }

References ilBuddySystemRelation\getBuddyUserId(), and ilBuddySystemRelation\getUserId().

Referenced by ignore(), link(), request(), and unlink().

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getRelationUserIds()

ilBuddyList::getRelationUserIds

(

)

Returns an array of all user ids the buddy list owner has a relation with.

Returns

int[]

Definition at line 249 of file class.ilBuddyList.php.

        {
                return $this->getRelations()->getKeys();
        }

References getRelations().

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getRepository()

ilBuddyList::getRepository

(

)

Returns

ilBuddySystemRelationRepository

Definition at line 101 of file class.ilBuddyList.php.

        {
                return $this->repository;
        }

References $repository.

Referenced by destroy(), ignore(), link(), readFromRepository(), request(), and unlink().

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getRequestedRelations()

ilBuddyList::getRequestedRelations

(

)

Gets all requested relations.

Returns

ilBuddySystemRelationCollection

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

        {
                return $this->getRelations()->filter(function(ilBuddySystemRelation $relation) {
                        return $relation->isRequested();
                });
        }

References getRelations(), and ilBuddySystemRelation\isRequested().

Referenced by getRequestRelationsByOwner(), and getRequestRelationsForOwner().

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getRequestRelationsByOwner()

ilBuddyList::getRequestRelationsByOwner

(

)

Gets all requested relations the buddy list owner initiated.

Returns

ilBuddySystemRelationCollection

Definition at line 191 of file class.ilBuddyList.php.

        {
                $owner = $this->getOwnerId();
                return $this->getRequestedRelations()->filter(function(ilBuddySystemRelation $relation) use ($owner) {
                        return $relation->getUserId() == $owner;
                });
        }

References getOwnerId(), getRequestedRelations(), and ilBuddySystemRelation\getUserId().

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getRequestRelationsForOwner()

ilBuddyList::getRequestRelationsForOwner

(

)

Gets all requested relations the buddy list owner has to interact with.

Returns

ilBuddySystemRelationCollection

Definition at line 179 of file class.ilBuddyList.php.

        {
                $owner = $this->getOwnerId();
                return $this->getRequestedRelations()->filter(function(ilBuddySystemRelation $relation) use ($owner) {
                        return $relation->getBuddyUserId() == $owner;
                });
        }

References ilBuddySystemRelation\getBuddyUserId(), getOwnerId(), and getRequestedRelations().

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ignore()

ilBuddyList::ignore

(

ilBuddySystemRelation

$relation

)

Parameters

ilBuddySystemRelation

$relation

Returns

self

Exceptions

ilBuddySystemException

Definition at line 416 of file class.ilBuddyList.php.

        {
                try
                {
                        if($relation->isLinked())
                        {
                                require_once 'Services/Contact/BuddySystem/exceptions/class.ilBuddySystemRelationStateTransitionException.php';
                                throw new ilBuddySystemRelationStateTransitionException('buddy_bs_action_already_linked');
                        }
 
                        if($this->getOwnerId() == $relation->getUserId())
                        {
                                throw new ilBuddySystemException("You can only ignore a request when you are not the initiator");
                        }
 
                        $relation->ignore();
 
                        $this->getRepository()->save($relation);
                        $this->getRelations()->set($this->getRelationTargetUserId($relation), $relation);
                }
                catch(ilBuddySystemException $e)
                {
                        if($relation->isIgnored())
                        {
                                require_once 'Services/Contact/BuddySystem/exceptions/class.ilBuddySystemRelationStateAlreadyGivenException.php';
                                throw new ilBuddySystemRelationStateAlreadyGivenException('buddy_bs_action_already_ignored');
                        }
 
                        throw $e;
                }
 
                return $this;
        }

References getOwnerId(), getRelations(), getRelationTargetUserId(), getRepository(), ilBuddySystemRelation\getUserId(), ilBuddySystemRelation\ignore(), ilBuddySystemRelation\isIgnored(), and ilBuddySystemRelation\isLinked().

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link()

ilBuddyList::link

(

ilBuddySystemRelation

$relation

)

Parameters

ilBuddySystemRelation

$relation

Returns

self

Exceptions

ilBuddySystemException

Definition at line 311 of file class.ilBuddyList.php.

        {
                try
                {
                        if($relation->isLinked())
                        {
                                require_once 'Services/Contact/BuddySystem/exceptions/class.ilBuddySystemRelationStateAlreadyGivenException.php';
                                throw new ilBuddySystemRelationStateAlreadyGivenException('buddy_bs_action_already_linked');
                        }
 
                        if($this->getOwnerId() == $relation->getUserId())
                        {
                                throw new ilBuddySystemException("You can only accept a request when you are not the initiator");
                        }
 
                        $relation->link();
 
                        $this->getRepository()->save($relation);
                        $this->getRelations()->set($this->getRelationTargetUserId($relation), $relation);
                }
                catch(ilBuddySystemRelationStateException $e)
                {
                        throw $e;
                }
 
                return $this;
        }

References getOwnerId(), getRelations(), getRelationTargetUserId(), getRepository(), ilBuddySystemRelation\getUserId(), ilBuddySystemRelation\isLinked(), and ilBuddySystemRelation\link().

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performLazyLoading()

ilBuddyList::performLazyLoading ( )

protected

Definition at line 125 of file class.ilBuddyList.php.

        {
                if(!$this->relations_read)
                {
                        $this->readFromRepository();
                        $this->relations_read = true;
                }
        }

References readFromRepository().

Referenced by getRelations().

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readFromRepository()

ilBuddyList::readFromRepository

(

)

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

        {
                $this->setRelations(new ilBuddySystemRelationCollection((array)$this->getRepository()->getAll()));
        }

References getRepository(), and setRelations().

Referenced by performLazyLoading().

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request()

ilBuddyList::request

(

ilBuddySystemRelation

$relation

)

Parameters

ilBuddySystemRelation

$relation

Returns

self

Exceptions

ilBuddySystemException

Definition at line 371 of file class.ilBuddyList.php.

        {
                if(ilObjUser::_isAnonymous($this->getRelationTargetUserId($relation)))
                {
                        throw new ilBuddySystemException(sprintf("You cannot add the anonymous user to the list (id: %s)", $this->getRelationTargetUserId($relation)));
                }
 
                if(!strlen(ilObjUser::_lookupLogin($this->getRelationTargetUserId($relation))))
                {
                        throw new ilBuddySystemException(sprintf("You cannot add a non existing user (id: %s)", $this->getRelationTargetUserId($relation)));
                }
 
                try
                {
                        $relation->request();
                        $this->getRepository()->save($relation);
                        $this->getRelations()->set($this->getRelationTargetUserId($relation), $relation);
                }
                catch(ilBuddySystemException $e)
                {
                        if($relation->isRequested())
                        {
                                require_once 'Services/Contact/BuddySystem/exceptions/class.ilBuddySystemRelationStateAlreadyGivenException.php';
                                throw new ilBuddySystemRelationStateAlreadyGivenException('buddy_bs_action_already_requested');
                        }
 
                        throw $e;
                }
 
                $GLOBALS['ilAppEventHandler']->raise(
                        'Services/Contact',
                        'contactRequested',
                        array(
                                'usr_id' => $this->getRelationTargetUserId($relation)
                        )
                );
 
                return $this;
        }

References $GLOBALS, ilObjUser\_isAnonymous(), ilObjUser\_lookupLogin(), getRelations(), getRelationTargetUserId(), getRepository(), ilBuddySystemRelation\isRequested(), and ilBuddySystemRelation\request().

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reset()

ilBuddyList::reset

(

)

Remove the singleton instance from static array, used for unit tests.

Definition at line 91 of file class.ilBuddyList.php.

        {
                $this->relations_read = false;
                $this->relations      = null;
                unset(self::$instances[$this->getOwnerId()]);
        }

References getOwnerId().

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setOwnerId()

ilBuddyList::setOwnerId

(

$owner_id

)

Parameters

int

$owner_id

Exceptions

InvalidArgumentException

Definition at line 258 of file class.ilBuddyList.php.

        {
                if(!is_numeric($owner_id))
                {
                        throw new InvalidArgumentException(sprintf("Please pass a numeric owner id, given: %s", var_export($owner_id, 1)));
                }
 
                $this->owner_id = $owner_id;
        }

References $owner_id.

Referenced by __construct().

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setRelations()

ilBuddyList::setRelations

(

ilBuddySystemRelationCollection

$relations

)

Parameters

ilBuddySystemRelationCollection

$relations

Definition at line 150 of file class.ilBuddyList.php.

        {
                $this->relations = $relations;
        }

References $relations.

Referenced by readFromRepository().

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setRepository()

ilBuddyList::setRepository

(

$repository

)

Parameters

ilBuddySystemRelationRepository

$repository

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

        {
                $this->repository = $repository;
        }

References $repository.

Referenced by __construct().

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unlink()

ilBuddyList::unlink

(

ilBuddySystemRelation

$relation

)

Parameters

ilBuddySystemRelation

$relation

Exceptions

ilBuddySystemException

Returns

self

Definition at line 344 of file class.ilBuddyList.php.

        {
                try
                {
                        $relation->unlink();
                        $this->getRepository()->save($relation);
                        $this->getRelations()->set($this->getRelationTargetUserId($relation), $relation);
                }
                catch(ilBuddySystemException $e)
                {
                        if($relation->isUnlinked())
                        {
                                require_once 'Services/Contact/BuddySystem/exceptions/class.ilBuddySystemRelationStateAlreadyGivenException.php';
                                throw new ilBuddySystemRelationStateAlreadyGivenException('buddy_bs_action_already_unlinked');
                        }
 
                        throw $e;
                }
 
                return $this;
        }

References getRelations(), getRelationTargetUserId(), getRepository(), ilBuddySystemRelation\isUnlinked(), and ilBuddySystemRelation\unlink().

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Field Documentation

$instances

ilBuddyList::$instances = array()

staticprotected

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

$owner_id

int ilBuddyList::$owner_id

protected

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

Referenced by __construct(), getOwnerId(), and setOwnerId().

$relations

ilBuddyList::$relations

protected

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

Referenced by getRelations(), and setRelations().

$relations_read

ilBuddyList::$relations_read = false

protected

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

$repository

ilBuddyList::$repository

protected

Definition at line 33 of file class.ilBuddyList.php.

Referenced by getRepository(), and setRepository().

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

• Services/Contact/BuddySystem/classes/class.ilBuddyList.php