/**
* Checks if the schema existing fields are properly set, triggers an exception otherwise.
*
* @throws \moodle_exception
* @param array $fields
* @param bool $requireexisting Require the fields to exist, otherwise exception.
* @return void
*/
protected function validate_fields(&$fields, $requireexisting = false)
{
global $CFG;
foreach ($fields as $fieldname => $data) {
$url = $this->engine->get_connection_url('/schema/fields/' . $fieldname);
$results = $this->curl->get($url);
if ($this->curl->error) {
throw new \moodle_exception('errorcreatingschema', 'search_solr', '', $this->curl->error);
}
if (!$results) {
throw new \moodle_exception('errorcreatingschema', 'search_solr', '', get_string('nodatafromserver', 'search_solr'));
}
$results = json_decode($results);
if ($requireexisting && !empty($results->error) && $results->error->code === 404) {
$a = new \stdClass();
$a->fieldname = $fieldname;
$a->setupurl = $CFG->wwwroot . '/search/engine/solr/setup_schema.php';
throw new \moodle_exception('errorvalidatingschema', 'search_solr', '', $a);
}
// The field should not exist so we only accept 404 errors.
if (empty($results->error) || !empty($results->error) && $results->error->code !== 404) {
if (!empty($results->error)) {
throw new \moodle_exception('errorcreatingschema', 'search_solr', '', $results->error->msg);
} else {
// All these field attributes are set when fields are added through this script and should
// be returned and match the defined field's values.
if (empty($results->field) || !isset($results->field->type) || !isset($results->field->multiValued) || !isset($results->field->indexed) || !isset($results->field->stored)) {
throw new \moodle_exception('errorcreatingschema', 'search_solr', '', get_string('schemafieldautocreated', 'search_solr', $fieldname));
} else {
if ($results->field->type !== $data['type'] && ($data['type'] !== 'text' || $results->field->type !== 'text_general') || $results->field->multiValued !== false || $results->field->indexed !== $data['indexed'] || $results->field->stored !== $data['stored']) {
throw new \moodle_exception('errorcreatingschema', 'search_solr', '', get_string('schemafieldautocreated', 'search_solr', $fieldname));
} else {
// The field already exists and it is properly defined, no need to create it.
unset($fields[$fieldname]);
}
}
}
}
}
}