public static function updateSolrConfiguration($pb_invoked_from_command_line = false)
{
/* get search and search indexing configuration */
$po_app_config = Configuration::load();
$po_search_config = Configuration::load($po_app_config->get("search_config"));
$po_search_indexing_config = Configuration::load($po_search_config->get("search_indexing_config"));
$ps_solr_home_dir = $po_search_config->get('search_solr_home_dir');
$po_datamodel = Datamodel::load();
$po_search_base = new SearchBase();
global $o_db;
if (!is_object($o_db)) {
/* catch command line usage */
$o_db = new Db();
}
$t_element = new ca_metadata_elements();
/* parse search indexing configuration to see which tables are indexed */
$va_tables = $po_search_indexing_config->getAssocKeys();
/* create solr.xml first to support multicore */
$vs_solr_xml = "";
$vs_solr_xml .= '<?xml version="1.0" encoding="UTF-8" ?>' . SolrConfiguration::nl();
$vs_solr_xml .= '<solr persistent="true">' . SolrConfiguration::nl();
$vs_solr_xml .= SolrConfiguration::tabs(1) . '<cores adminPath="/admin/cores">' . SolrConfiguration::nl();
foreach ($va_tables as $vs_table) {
/* I don't like tablenums, so we use the table name to name the cores */
$vs_solr_xml .= SolrConfiguration::tabs(2) . '<core name="' . $vs_table . '" instanceDir="' . $vs_table . '" />' . SolrConfiguration::nl();
}
$vs_solr_xml .= SolrConfiguration::tabs(1) . '</cores>' . SolrConfiguration::nl();
$vs_solr_xml .= '</solr>' . SolrConfiguration::nl();
/* try to write configuration file */
$vr_solr_xml_file = fopen($ps_solr_home_dir . "/solr.xml", 'w+');
// overwrite old one
if (!is_resource($vr_solr_xml_file)) {
die("Couldn't write to solr.xml file in Solr home directory. Please check the permissions.\n");
}
fprintf($vr_solr_xml_file, "%s", $vs_solr_xml);
fclose($vr_solr_xml_file);
/* configure the cores */
foreach ($va_tables as $vs_table) {
$t_instance = $po_datamodel->getTableInstance($vs_table);
/* create core directory */
if (!file_exists($ps_solr_home_dir . "/" . $vs_table)) {
if (!mkdir($ps_solr_home_dir . "/" . $vs_table, 0777)) {
/* TODO: think about permissions */
die("Couldn't create directory in Solr home. Please check the permissions.\n");
}
}
/* create conf directory */
if (!file_exists($ps_solr_home_dir . "/" . $vs_table . "/conf")) {
if (!mkdir($ps_solr_home_dir . "/" . $vs_table . "/conf", 0777)) {
die("Couldn't create directory in core directory. Please check the permissions.\n");
}
}
/* create solrconfig.xml for this core */
$vr_solrconfig_xml_file = fopen($ps_solr_home_dir . "/" . $vs_table . "/conf/solrconfig.xml", 'w+');
if (!is_resource($vr_solrconfig_xml_file)) {
die("Couldn't write to solrconfig.xml file for core {$vs_table}. Please check the permissions.\n");
}
/* read template and copy it */
$va_solrconfig_xml_template = file(__CA_LIB_DIR__ . "/core/Search/Solr/solrplugin_templates/solrconfig.xml");
if (!is_array($va_solrconfig_xml_template)) {
die("Couldn't read solrconfig.xml template.");
}
foreach ($va_solrconfig_xml_template as $vs_line) {
fprintf($vr_solrconfig_xml_file, "%s", $vs_line);
}
fclose($vr_solrconfig_xml_file);
/* create schema.xml for this core */
$vr_schema_xml_file = fopen($ps_solr_home_dir . "/" . $vs_table . "/conf/schema.xml", 'w+');
if (!is_resource($vr_schema_xml_file)) {
die("Couldn't write to schema.xml file for core {$vs_table}. Please check the permissions.\n");
}
/* read template, modify it, add table-specific fields and write to schema.xml configuration for this core */
$va_schema_xml_template = file(__CA_LIB_DIR__ . "/core/Search/Solr/solrplugin_templates/schema.xml");
if (!is_array($va_schema_xml_template)) {
die("Couldn't read solrconfig.xml template.");
}
foreach ($va_schema_xml_template as $vs_line) {
/* 1st replacement: core name */
if (strpos($vs_line, "CORE_NAME") !== false) {
fprintf($vr_schema_xml_file, "%s", str_replace("CORE_NAME", $vs_table, $vs_line));
continue;
}
/* 2nd replacement: fields - the big part */
if (strpos($vs_line, "<!--FIELDS-->") !== false) {
$vs_field_schema = "";
$vs_subject_table_copyfields = "";
/* the schema is very very hardcoded, so we have to create a design that still fits
* when new metadata elements are created or sth like that. for now, we're just considering
* the "straightforward" fields
*/
$va_schema_fields = array();
/* list of all fields created - is used for copyField directives after field block */
/* subject table */
/* we add the PK - this is used for incremental indexing */
$vs_field_schema .= SolrConfiguration::tabs(2) . '<field name="' . $vs_table . '.' . $t_instance->primaryKey() . '" type="int" indexed="true" stored="true" />' . SolrConfiguration::nl();
$vs_field_schema .= SolrConfiguration::tabs(2) . '<field name="' . $t_instance->primaryKey() . '" type="int" indexed="true" stored="true" />' . SolrConfiguration::nl();
$vs_subject_table_copyfields .= SolrConfiguration::tabs(1) . '<copyField source="' . $vs_table . '.' . $t_instance->primaryKey() . '" dest="' . $t_instance->primaryKey() . '" />' . SolrConfiguration::nl();
/* get fields-to-index from search indexing configuration */
if (!is_array($va_table_fields = $po_search_base->getFieldsToIndex($vs_table))) {
$va_table_fields = array();
}
$vn_table_num = $po_datamodel->getTableNum($vs_table);
$va_attributes = null;
if (is_array($va_table_fields)) {
foreach ($va_table_fields as $vs_field_name => $va_field_options) {
if (preg_match('!^_ca_attribute_(\\d+)$!', $vs_field_name, $va_matches)) {
$t_element->load($va_matches[1]);
$va_attributes[$t_element->getPrimaryKey()] = array('element_id' => $t_element->get('element_id'), 'element_code' => $t_element->get('element_code'), 'datatype' => $t_element->get('datatype'));
}
}
}
if (is_array($va_attributes)) {
$va_metadata_fields = array();
foreach ($va_attributes as $vn_element_id => $va_element_info) {
$va_metadata_fields += SolrConfiguration::getElementType($va_element_info);
}
/*set datatype for metadata elements in $va_table_fields array*/
foreach ($va_metadata_fields as $key => $value) {
if (array_key_exists($key, $va_table_fields)) {
unset($va_table_fields[$key]);
}
$va_table_fields[$key] = $value;
}
}
/* we now have the current configuration */
/* since Solr supports live updates only if changes are 'backwards-compatible'
* (i.e. no fields are deleted), we have to merge the current configuration with the
* cached one, create the new configuration based upon that and cache it.
*
* Invocation of the command-line script support/utils/createSolrConfiguration.php,
* however, creates a completely fresh configuration and caches it.
*/
$va_frontend_options = array('lifetime' => null, 'logging' => false, 'write_control' => true, 'automatic_cleaning_factor' => 0, 'automatic_serialization' => true);
$vs_cache_dir = __CA_APP_DIR__ . '/tmp';
$va_backend_options = array('cache_dir' => $vs_cache_dir, 'file_locking' => true, 'read_control' => false, 'file_name_prefix' => 'ca_cache', 'cache_file_perm' => 0777);
$vo_cache = Zend_Cache::factory('Core', 'File', $va_frontend_options, $va_backend_options);
if (!($va_cache_data = $vo_cache->load('ca_search_indexing_info_' . $vs_table))) {
$va_cache_data = array();
}
if (!$pb_invoked_from_command_line) {
$va_table_fields = array_merge($va_cache_data, $va_table_fields);
}
$vo_cache->save($va_table_fields, 'ca_search_indexing_info_' . $vs_table);
if (is_array($va_table_fields)) {
foreach ($va_table_fields as $vs_field_name => $va_field_options) {
if (in_array("STORE", $va_field_options)) {
$vb_field_is_stored = true;
} else {
$vb_field_is_stored = false;
}
if (in_array("DONT_TOKENIZE", $va_field_options)) {
$vb_field_is_tokenized = false;
} else {
$vb_field_is_tokenized = true;
}
$va_schema_fields[] = $vs_table . '.' . SolrConfiguration::adjustFieldsToIndex($vs_field_name);
if (in_array($va_field_options['type'], array('text', 'string'))) {
$vs_type = $vb_field_is_tokenized ? 'text' : 'string';
} else {
if (!isset($va_field_options['type']) && $t_instance->hasField($vs_field_name)) {
// if the primary key is configured to be indexed in search_indexing.conf, ignore it here
// (we add it anyway and solr doesn't like duplicate fields!)
if ($t_instance->primaryKey() == $vs_field_name) {
continue;
}
switch ($t_instance->getFieldInfo($vs_field_name, "FIELD_TYPE")) {
case FT_TEXT:
case FT_MEDIA:
case FT_FILE:
case FT_PASSWORD:
case FT_VARS:
$va_field_options['type'] = 'text';
break;
case FT_NUMBER:
case FT_TIME:
case FT_TIMERANGE:
case FT_TIMECODE:
$va_field_options['type'] = 'float';
break;
case FT_TIMESTAMP:
case FT_DATETIME:
case FT_HISTORIC_DATETIME:
case FT_DATE:
case FT_HISTORIC_DATE:
case FT_DATERANGE:
case FT_HISTORIC_DATERANGE:
$va_field_options['type'] = 'daterange';
break;
case FT_BIT:
$va_field_options['type'] = 'bool';
break;
default:
$va_field_options['type'] = null;
break;
}
}
$vs_type = isset($va_field_options['type']) && $va_field_options['type'] ? $va_field_options['type'] : 'text';
}
$vs_field_schema .= SolrConfiguration::tabs(2) . '<field name="' . $vs_table . '.' . SolrConfiguration::adjustFieldsToIndex($vs_field_name) . '" type="' . $vs_type;
$vs_field_schema .= '" indexed="true" ';
$vb_field_is_stored ? $vs_field_schema .= 'stored="true" ' : ($vs_field_schema .= 'stored="false" ');
$vs_field_schema .= '/>' . SolrConfiguration::nl();
}
}
/* related tables */
$va_related_tables = $po_search_base->getRelatedIndexingTables($vs_table);
foreach ($va_related_tables as $vs_related_table) {
$va_related_table_fields = $po_search_base->getFieldsToIndex($vs_table, $vs_related_table);
foreach ($va_related_table_fields as $vs_related_table_field => $va_related_table_field_options) {
if (in_array("STORE", $va_related_table_field_options)) {
$vb_field_is_stored = true;
} else {
$vb_field_is_stored = false;
}
if (in_array("DONT_TOKENIZE", $va_related_table_field_options)) {
$vb_field_is_tokenized = false;
} else {
$vb_field_is_tokenized = true;
}
$va_schema_fields[] = $vs_related_table . '.' . $vs_related_table_field;
$vs_field_schema .= SolrConfiguration::tabs(2) . '<field name="' . $vs_related_table . '.' . $vs_related_table_field . '" type="';
$vb_field_is_tokenized ? $vs_field_schema .= 'text' : ($vs_field_schema .= 'string');
$vs_field_schema .= '" indexed="true" ';
$vb_field_is_stored ? $vs_field_schema .= 'stored="true" ' : ($vs_field_schema .= 'stored="false" ');
$vs_field_schema .= '/>' . SolrConfiguration::nl();
}
}
/* copyfield directives
* we use a single field in each index (called "text") where
* all other fields are copied. the text field is the default
* search field. it is used if a field name specification is
* omitted in a search query.
*/
$vs_copyfields = "";
foreach ($va_schema_fields as $vs_schema_field) {
$vs_copyfields .= SolrConfiguration::tabs(1) . '<copyField source="' . $vs_schema_field . '" dest="text" />' . SolrConfiguration::nl();
}
//
// Get access points
//
if (!is_array($va_access_points = $po_search_base->getAccessPoints($vs_table))) {
$va_access_points = array();
}
foreach ($va_access_points as $vs_access_point => $va_access_point_info) {
foreach ($va_access_point_info['fields'] as $vn_i => $vs_schema_field) {
$vs_copyfields .= SolrConfiguration::tabs(1) . '<copyField source="' . $vs_schema_field . '" dest="' . $vs_access_point . '" />' . SolrConfiguration::nl();
}
$vs_field_schema .= SolrConfiguration::tabs(2) . '<field name="' . $vs_access_point . '" type="text" indexed="true" stored="true" multiValued="true"/>' . SolrConfiguration::nl();
}
/* write field indexing config into file */
fprintf($vr_schema_xml_file, "%s", $vs_field_schema);
continue;
}
/* 3rd replacement: uniquekey */
if (strpos($vs_line, "<!--KEY-->") !== false) {
$vs_pk = $t_instance->primaryKey();
fprintf($vr_schema_xml_file, "%s", str_replace("<!--KEY-->", $vs_table . "." . $vs_pk, $vs_line));
continue;
}
/* 4th replacement: copyFields */
if (strpos($vs_line, "<!--COPYFIELDS-->") !== false) {
/* $vs_copyfields *should* be set, otherwise the template has been messed up */
fprintf($vr_schema_xml_file, "%s", $vs_copyfields);
// add copyField for the subject table fields so that the pk can be adressed in 2 ways:
// "objects.object_id" or "object.id"
fprintf($vr_schema_xml_file, "%s", $vs_subject_table_copyfields);
continue;
}
/* "normal" line */
fprintf($vr_schema_xml_file, "%s", $vs_line);
}
fclose($vr_schema_xml_file);
}
}