/** * Determines if there is any data in the data set that can be visualized by this plugin using the provided settings * * @param SearchResult $po_data * @param array $pa_viz_settings Visualization settings * * @return bool True if data can be visualized */ public function canHandle($po_data, $pa_viz_settings) { $vn_cur_pos = $po_data->currentIndex(); if ($vn_cur_pos < 0) { $vn_cur_pos = 0; } $po_data->seek(0); $o_dm = Datamodel::load(); // // Make sure sources actually exist // $va_sources = $pa_viz_settings['sources']; foreach ($va_sources as $vs_source_code => $va_source_info) { $va_tmp = explode('.', $va_source_info['data']); $t_instance = $o_dm->getInstanceByTableName($va_tmp[0], true); if (!($t_instance = $o_dm->getInstanceByTableName($va_tmp[0], true))) { unset($va_sources[$vs_source_code]); continue; } if (!$t_instance->hasField($va_tmp[1]) && !$t_instance->hasElement($va_tmp[1])) { unset($va_sources[$vs_source_code]); } } $vn_c = 0; // // Only check the first 10,000 returned rows before giving up, to avoid timeouts // while ($po_data->nextHit() && $vn_c < 10000) { foreach ($va_sources as $vs_source_code => $va_source_info) { if (trim($po_data->get($va_source_info['data']))) { $po_data->seek($vn_cur_pos); return true; } } $vn_c++; } $po_data->seek($vn_cur_pos); return false; }
/** * Export set of records from a given SearchResult object to an array of strings with the individual exports, keyed by primary key. * The behavior is tailored towards the needs of the OAIPMHService. * * @param string $ps_exporter_code defines the exporter to use * @param SearchResult $po_result search result as object * @param array $pa_options * 'start' = * 'limit' = * @return array exported data */ public static function exportRecordsFromSearchResultToArray($ps_exporter_code, $po_result, $pa_options = null) { $vn_start = isset($pa_options['start']) ? (int) $pa_options['start'] : 0; $vn_limit = isset($pa_options['limit']) ? (int) $pa_options['limit'] : 0; ca_data_exporters::$s_exporter_cache = array(); ca_data_exporters::$s_exporter_item_cache = array(); require_once __CA_LIB_DIR__ . '/core/Search/SearchResult.php'; if (!$po_result instanceof SearchResult) { return false; } if (!($t_mapping = ca_data_exporters::loadExporterByCode($ps_exporter_code))) { return false; } if (sizeof(ca_data_exporters::checkMapping($ps_exporter_code)) > 0) { return false; } $t_instance = $t_mapping->getAppDatamodel()->getInstanceByTableNum($t_mapping->get('table_num')); if ($vn_start > 0 && $vn_start < $po_result->numHits()) { $po_result->seek($vn_start); } $va_return = array(); $vn_i = 0; while ($po_result->nextHit()) { if ($vn_limit && $vn_i >= $vn_limit) { break; } $vn_pk_val = $po_result->get($t_instance->primaryKey()); $va_return[$vn_pk_val] = ca_data_exporters::exportRecord($ps_exporter_code, $vn_pk_val); $vn_i++; } return $va_return; }
/** * Determines if there is any data in the data set that can be visualized by this plugin using the provided settings * * @param SearchResult $po_data * @param array $pa_viz_settings Visualization settings * * @return bool True if data can be visualized */ public function canHandle($po_data, $pa_viz_settings) { $vn_cur_pos = $po_data->currentIndex(); if ($vn_cur_pos < 0) { $vn_cur_pos = 0; } $po_data->seek(0); $va_sources = $pa_viz_settings['sources']; while ($po_data->nextHit()) { foreach ($va_sources as $vs_source_code => $va_source_info) { if (trim($po_data->get($va_source_info['data']))) { $po_data->seek($vn_cur_pos); return true; } } } $po_data->seek($vn_cur_pos); return false; }
/** * Fetched next hit in result set. * Overrides SearchResult::nextHit() to implement result filtering * * @return bool True if next hit was loaded, false if there are no more hits to iterate through */ public function nextHit() { if ($this->ops_filter_field) { while ($vb_r = parent::nextHit()) { if (in_array($this->get($this->ops_filter_field), $this->opa_filter_values)) { return $vb_r; } } } return parent::nextHit(); }
/** * Roll up by-user data for return * * @param SearchResult $qr_res A ca_object_checkouts result set * @param string $ps_display_template Optional display template; will be returned in _display key in returned array * * @return array List of events (checkins, checkouts, etc.) */ private static function _collectCheckoutData($qr_res, $ps_display_template = null) { $va_checkouts = array(); if ($qr_res) { while ($qr_res->nextHit()) { $va_tmp = array('checkout_id' => $qr_res->get('ca_object_checkouts.checkout_id'), 'group_uuid' => $qr_res->get('ca_object_checkouts.group_uuid'), 'object_id' => $qr_res->get('ca_object_checkouts.object_id'), 'created_on' => $qr_res->get('ca_object_checkouts.created_on', array('timeOmit' => true)), 'checkout_date' => $qr_res->get('ca_object_checkouts.checkout_date', array('timeOmit' => true)), 'due_date' => $qr_res->get('ca_object_checkouts.due_date', array('timeOmit' => true)), 'return_date' => $qr_res->get('ca_object_checkouts.return_date', array('timeOmit' => true)), 'checkout_notes' => $qr_res->get('ca_object_checkouts.checkout_notes')); if ($ps_display_template) { $va_tmp['_display'] = $qr_res->getWithTemplate($ps_display_template); } $va_checkouts[] = $va_tmp; } } return $va_checkouts; }