relationships.php

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<?php
function get_relationship($id) {
    return _elgg_services()->relationshipsTable->get($id);
}

function delete_relationship($id) {
    return _elgg_services()->relationshipsTable->delete($id);

}

function add_entity_relationship($guid_one, $relationship, $guid_two) {
    return _elgg_services()->relationshipsTable->add($guid_one, $relationship, $guid_two);
}

function check_entity_relationship($guid_one, $relationship, $guid_two) {
    return _elgg_services()->relationshipsTable->check($guid_one, $relationship, $guid_two);
}

function remove_entity_relationship($guid_one, $relationship, $guid_two) {
    return _elgg_services()->relationshipsTable->remove($guid_one, $relationship, $guid_two);
}

function remove_entity_relationships($guid, $relationship = "", $inverse_relationship = false, $type = '') {
    return _elgg_services()->relationshipsTable->removeAll($guid, $relationship, $inverse_relationship, $type);
}

function get_entity_relationships($guid, $inverse_relationship = false) {
    return _elgg_services()->relationshipsTable->getAll($guid, $inverse_relationship);
}

function elgg_get_entities_from_relationship_count(array $options = []) {
    return _elgg_services()->relationshipsTable->getEntitiesFromCount($options);
}

function elgg_list_entities_from_relationship_count($options) {
    return elgg_list_entities($options, 'elgg_get_entities_from_relationship_count');
}

function _elgg_relationships_test($hook, $type, $tests) {
    $tests[] = ElggRelationshipUnitTest::class;
    return $tests;
}


function _elgg_relationship_init() {
    elgg_register_plugin_hook_handler('unit_test', 'system', '_elgg_relationships_test');
}

return function(\Elgg\EventsService $events, \Elgg\HooksRegistrationService $hooks) {
    $events->registerHandler('init', 'system', '_elgg_relationship_init');
};