/**
* Tests the *wl_get_meta_type* function
*/
function testEntityGetMetaType()
{
$type = wl_get_meta_type(Wordlift_Schema_Service::FIELD_GEO_LATITUDE);
$this->assertEquals('double', $type);
$type = wl_get_meta_type('latitude');
$this->assertEquals('double', $type);
$this->assertEquals(Wordlift_Schema_Service::DATA_TYPE_DOUBLE, $type);
$type = wl_get_meta_type(Wordlift_Schema_Service::FIELD_DATE_START);
$this->assertEquals('date', $type);
$type = wl_get_meta_type('startDate');
$this->assertEquals('date', $type);
$this->assertEquals(Wordlift_Schema_Service::DATA_TYPE_DATE, $type);
$type = wl_get_meta_type(Wordlift_Schema_Service::FIELD_LOCATION);
$this->assertEquals('uri', $type);
$type = wl_get_meta_type('location');
$this->assertEquals('uri', $type);
$this->assertEquals(Wordlift_Schema_Service::DATA_TYPE_URI, $type);
$type = wl_get_meta_type('random_silly_name');
$this->assertEquals(null, $type);
}
/**
* Saves the values of wordlift metaboxes set in the entity editor page
*/
function wl_entity_metabox_save($post_id)
{
if (!isset($_POST['wl_metaboxes'])) {
return;
}
// Loop over the wl_metaboxes array and save metaboxes values
foreach ($_POST['wl_metaboxes'] as $meta_name => $meta_values) {
// First, verify nonce is set for this meta
$nonce_name = 'wordlift_' . $meta_name . '_entity_box_nonce';
$nonce_verify = 'wordlift_' . $meta_name . '_entity_box';
if (!isset($_POST[$nonce_name])) {
return $post_id;
}
// Verify that the nonce is valid.
if (!wp_verify_nonce($_POST[$nonce_name], $nonce_verify)) {
return $post_id;
}
// Delete values before updating
delete_post_meta($post_id, $meta_name);
// Save the property value(s)
if (isset($meta_name) && isset($meta_values) && $meta_values !== '') {
// There can be one or more property values, so we force to array:
if (!is_array($meta_values)) {
$meta_values = array($meta_values);
}
foreach ($meta_values as $meta_value) {
// If the meta expects an entity...
$expecting_uri = wl_get_meta_type($meta_name) === WL_DATA_TYPE_URI;
// ...and the user inputs an entity that is not present in the db...
$absent_from_db = is_null(wl_get_entity_post_by_uri($meta_value));
// ...and that is not a external uri
$name_is_uri = strpos($meta_value, 'http') === 0;
if ($expecting_uri && $absent_from_db && !$name_is_uri) {
// ...we create a new entity!
$new_entity = wl_save_entity('', $meta_value, WL_ENTITY_TYPE_NAME, '');
// Assign type
$constraints = wl_get_meta_constraints($meta_name);
$type = 'http://schema.org/' . $constraints['uri_type'];
wl_set_entity_main_type($new_entity->ID, $type);
// TODO: directly publish the new entity
// Update the value that will be saved as meta
$meta_value = wl_get_entity_uri($new_entity->ID);
}
// TODO: use WL methods
add_post_meta($post_id, $meta_name, $meta_value);
}
}
}
// Push changes on RedLink
wl_linked_data_push_to_redlink($post_id);
}
/**
* Fills up the microdata_template with entity's values.
*
* @param string $entity_id An entity ID.
* @param string $entity_type Entity type stracture.
* @param integer $recursion_level Recursion depth level in microdata compiling. Recursion depth limit is defined by WL_MAX_NUM_RECURSIONS_WHEN_PRINTING_MICRODATA constant.
*
* @return string The content with embedded microdata.
*/
function wl_content_embed_compile_microdata_template($entity_id, $entity_type, $recursion_level = 0)
{
wl_write_log("[ entity id :: {$entity_id} ][ entity type :: " . var_export($entity_type, true) . " ][ recursion level :: {$recursion_level} ]");
$regex = '/{{(.*?)}}/';
$matches = array();
if (null === $entity_type) {
return '';
}
$template = $entity_type['microdata_template'];
// Return empty string if template fields have not been found.
if (false === preg_match_all($regex, $template, $matches, PREG_SET_ORDER)) {
return '';
}
foreach ($matches as $match) {
$placeholder = $match[0];
$field_name = $match[1];
// Get property value.
$meta_collection = wl_schema_get_value($entity_id, $field_name);
// If no value is given, just remove the placeholder from the template
if (null == $meta_collection) {
$template = str_replace($placeholder, '', $template);
continue;
}
// What kind of value is it?
// TODO: Performance issue here: meta type retrieving should be centralized
$expected_type = wl_get_meta_type($field_name);
foreach ($meta_collection as $field_value) {
if (WL_DATA_TYPE_URI == $expected_type) {
// If is a numeric value we assume it is an ID referencing for an internal entity.
if (is_numeric($field_value)) {
// Found id, get uri.
$field_value = wl_get_entity_uri($field_value);
}
// Just if the linked entity does exist I can go further with template compiling
$nested_entity = wl_get_entity_post_by_uri($field_value);
if (!is_null($nested_entity)) {
$content = '<span itemid="' . esc_attr($field_value) . '">' . $nested_entity->post_title . '</span>';
$compiled_template = wl_content_embed_item_microdata($content, $field_value, $field_name, ++$recursion_level);
$template = str_replace($placeholder, $compiled_template, $template);
} else {
$template = str_replace($placeholder, '', $template);
}
continue;
}
// Standard condition: field containing a raw value
$value = '<span itemprop="' . esc_attr($field_name) . '" content="' . esc_attr($field_value) . '"></span>';
$template = str_replace($placeholder, $value, $template);
}
}
return $template;
}
/**
* Fills up the microdata_template with entity's values.
*
* @param string $entity_id An entity ID.
* @param string $entity_type Entity type structure.
* @param integer $recursion_level Recursion depth level in microdata compiling. Recursion depth limit is defined by WL_MAX_NUM_RECURSIONS_WHEN_PRINTING_MICRODATA constant.
*
* @return string The content with embedded microdata.
*/
function wl_content_embed_compile_microdata_template($entity_id, $entity_type, $recursion_level = 0)
{
global $wl_logger;
if (WP_DEBUG) {
$wl_logger->trace("Embedding microdata [ entity id :: {$entity_id} ][ entity type :: " . var_export($entity_type, true) . " ][ recursion level :: {$recursion_level} ]");
}
$regex = '/{{(.*?)}}/';
$matches = array();
if (null === $entity_type) {
return '';
}
$template = $entity_type['microdata_template'];
// Return empty string if template fields have not been found.
if (false === preg_match_all($regex, $template, $matches, PREG_SET_ORDER)) {
return '';
}
foreach ($matches as $match) {
$placeholder = $match[0];
$field_name = $match[1];
// Get property value.
$meta_collection = wl_schema_get_value($entity_id, $field_name);
// If no value is given, just remove the placeholder from the template
if (null == $meta_collection) {
$template = str_replace($placeholder, '', $template);
continue;
}
// What kind of value is it?
// TODO: Performance issue here: meta type retrieving should be centralized
$expected_type = wl_get_meta_type($field_name);
if (WP_DEBUG) {
$wl_logger->trace("Embedding microdata [ placeholder :: {$placeholder} ][ field name :: {$field_name} ][ meta collection :: " . (is_array($meta_collection) ? var_export($meta_collection, true) : $meta_collection) . " ][ expected type :: {$expected_type} ]");
}
foreach ($meta_collection as $field_value) {
// Quick and dirty patch for #163:
// - only apply to URIs, i.e. to properties pointing to another post ( $field_value should be a post ID ),
// - check that $field_value is actually a number,
// - check that the referenced post is published.
// OR
// - if the value is empty then we don't display it.
if (Wordlift_Schema_Service::DATA_TYPE_URI === $expected_type && is_numeric($field_value) && 'publish' !== ($post_status = get_post_status($field_value)) || empty($field_value)) {
if (WP_DEBUG) {
$wl_logger->trace("Microdata refers to a non-published post [ field value :: {$field_value} ][ post status :: {$post_status} ]");
}
// Remove the placeholder.
$template = str_replace($placeholder, '', $template);
continue;
}
if (Wordlift_Schema_Service::DATA_TYPE_URI == $expected_type) {
// If is a numeric value we assume it is an ID referencing for an internal entity.
if (is_numeric($field_value)) {
// Found id, get uri.
$field_value = wl_get_entity_uri($field_value);
}
// Just if the linked entity does exist I can go further with template compiling
$nested_entity = wl_get_entity_post_by_uri($field_value);
if (!is_null($nested_entity)) {
$content = '<span itemid="' . esc_attr($field_value) . '">' . $nested_entity->post_title . '</span>';
$compiled_template = wl_content_embed_item_microdata($content, $field_value, $field_name, ++$recursion_level);
$template = str_replace($placeholder, $compiled_template, $template);
} else {
$template = str_replace($placeholder, '', $template);
}
continue;
}
// Standard condition: field containing a raw value
// For non visible test, schema.org dictates to use the *meta* tag.
// see http://schema.org/docs/gs.html#advanced_missing
$value = '<meta itemprop="' . esc_attr($field_name) . '" content="' . esc_attr($field_value) . '" />';
$template = str_replace($placeholder, $value, $template);
}
}
return $template;
}
