/**
* Delete the specified post from the triple store.
*
* @param array|int $post An array of post data
*/
function rl_delete_post($post)
{
$post_id = is_numeric($post) ? $post : $post->ID;
// hide all entities that are not referenced by any published post.
foreach (wl_core_get_related_entity_ids($post_id) as $entity_id) {
// check if there is at least one referencing post published.
$is_published = array_reduce(wl_core_get_related_post_ids($entity_id), function ($carry, $item) {
$post = get_post($item);
return $carry || 'publish' === $post->post_status;
});
// set the entity to draft if no referencing posts are published.
if (!$is_published) {
wl_update_post_status($entity_id, 'draft');
}
}
// get the entity URI (valid also for posts)
$uri_esc = wl_sparql_escape_uri(wl_get_entity_uri($post_id));
wl_write_log("rl_delete_post [ post id :: {$post_id} ][ uri esc :: {$uri_esc} ]");
// create the SPARQL statement by joining the SPARQL prefixes and deleting any known predicate.
$stmt = rl_sparql_prefixes();
foreach (wl_predicates() as $predicate) {
$stmt .= "DELETE { <{$uri_esc}> {$predicate} ?o . } WHERE { <{$uri_esc}> {$predicate} ?o . };\n" . "DELETE { ?s {$predicate} <{$uri_esc}> . } WHERE { ?s {$predicate} <{$uri_esc}> . };\n";
}
// if the post is an entity and has exported properties, delete the related predicates.
if (WL_ENTITY_TYPE_NAME === $post->post_type) {
$type = wl_entity_type_taxonomy_get_type($post->ID);
if (isset($type['custom_fields'])) {
foreach ($type['custom_fields'] as $field => $params) {
// TODO: enclose in <> only if predicate starts with http(s)://
$predicate = '<' . $params['predicate'] . '>';
$stmt .= "DELETE { <{$uri_esc}> {$predicate} ?o . } WHERE { <{$uri_esc}> {$predicate} ?o . };\n";
}
}
}
// finally execute the query.
rl_execute_sparql_update_query($stmt);
}
function testEntityWithAlternativeLabelIsProperlyOverridden()
{
$original_label = uniqid('entity-original', true);
// Create an entity
$entity_id = wl_create_post('', 'entity-1', $original_label, 'draft', 'entity');
// Check that there are no related posts for the entity
$related_post_ids = wl_core_get_related_post_ids($entity_id, array("predicate" => "what"));
$this->assertCount(0, $related_post_ids);
// Generate e label and set it as alternative label for the new entity
$alternative_label = uniqid('entity-alternative', true);
Wordlift_Entity_Service::get_instance()->set_alternative_labels($entity_id, $alternative_label);
// Check that the alternative label is properly set
$labels = Wordlift_Entity_Service::get_instance()->get_alternative_labels($entity_id);
$this->assertCount(1, $labels);
$this->assertContains($alternative_label, $labels);
// Force post status to publish: this triggers the save_post hook
wl_update_post_status($entity_id, 'publish');
// Check that entity label is properly mapped on entity post title
$this->assertEquals($original_label, get_post($entity_id)->post_title);
// Notice that the uri is generated trough the original label
// while the current label is the alternative one
$fake = $this->prepareFakeGlobalPostArrayFromFile('/assets/fake_global_post_array_with_one_existing_entity_linked_as_what.json', array('CURRENT_URI' => $this->buildEntityUriForLabel($original_label), 'CURRENT_LABEL' => $alternative_label));
$_POST = $fake;
// Retrieve the entity uri (the first key in wl_entities associative aray)
$original_entity_uri = current(array_keys($fake['wl_entities']));
// Reference the entity to the post content trough its alternative label
$content = <<<EOF
<span itemid="{$original_entity_uri}">{$alternative_label}</span>
EOF;
// Create a post referincing to the created entity
$post_id = wl_create_post($content, 'my-post', 'A post', 'draft');
// Check that entity label is STILL properly mapped on entity post title
$this->assertEquals($original_label, get_post($entity_id)->post_title);
$expected_entity_uri = $this->buildEntityUriForLabel($original_label);
$entity_uri = wl_get_entity_uri($entity_id);
$this->assertEquals($entity_uri, $expected_entity_uri);
// And it should be related to the post as what predicate
$related_entity_ids = wl_core_get_related_entity_ids($post_id, array("predicate" => "what"));
$this->assertCount(1, $related_entity_ids);
$this->assertContains($entity_id, $related_entity_ids);
}
function testRedlinkIsUpdatedWhenRelatedEntityIsTrashed()
{
// Create draft entity
$e_id = wl_create_post('ciao', 'entity-1', uniqid('entity', true), 'draft', 'entity');
$e_uri = wl_get_entity_uri($e_id);
$body = <<<EOF
<span itemid="{$e_uri}">Entity 1</span>
EOF;
// Create draft post mentioning the entity
$p_id = wl_create_post($body, 'post-1', uniqid('post', true), 'draft', 'post');
// Publish the post (and related entities)
wl_update_post_status($p_id, 'publish');
// Verify the post triples contain a reference to the entity
$lines = $this->getPostTriples($p_id);
$this->assertCount(9, $lines);
// Trash the entity
wl_update_post_status($e_id, 'trash');
// Verify the post triples does no more contain a reference to the entity
$lines = $this->getPostTriples($p_id);
$this->assertCount(8, $lines);
}
