function testColorCodingOnFrontEnd()
{
$entity_id = wl_create_post('', 'entity-1', 'Entity 1', 'publish', 'entity');
$entity_uri = wl_get_entity_uri($entity_id);
wl_set_entity_main_type($entity_id, 'http://schema.org/Event');
# Create a test entity post.
$content = <<<EOF
This post is referencing the sample <span id="urn:enhancement-4f0e0fbc-e981-7852-9521-f4718eafa13f" class="textannotation highlight wl-event" itemid="{$entity_uri}">Entity 1</span>.
EOF;
$post_id = wl_create_post($content, 'post-1', 'Post 1', 'publish', 'post');
$post = get_post($post_id);
// Disable front-end color coding.
wl_configuration_set_enable_color_coding(false);
$this->assertNotContains('class="wl-event"', wl_content_embed_item_microdata($post->post_content, $entity_uri));
// Enable front-end color coding.
wl_configuration_set_enable_color_coding(true);
$this->assertContains('class="wl-event"', wl_content_embed_item_microdata($post->post_content, $entity_uri));
}
/**
* 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;
}
