feat: neue PostgreSQL-Suche (tba-search) aus newmail-vhost übernommen
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Thomas Bartelt
@@ -0,0 +1,359 @@
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<?php
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/**
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* Krempl PostgreSQL Database Connection Class
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*
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* Usage:
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* require_once __DIR__ . '/core/postgres/KremplDB.php';
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* $db = new KremplDB();
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* $results = $db->searchGeraete('AWB 921 PH');
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*/
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class KremplDB {
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private $pg_conn = null;
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private $mysql_conn = null;
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private $config = null;
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public function __construct($connect_mysql = false) {
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$config_file = __DIR__ . '/config.ini';
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if (!file_exists($config_file)) {
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throw new Exception("Config file not found: $config_file");
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}
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$this->config = parse_ini_file($config_file, true);
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if (!isset($this->config['postgresql'])) {
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throw new Exception("PostgreSQL config section not found in config.ini");
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}
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$this->connectPostgres();
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if ($connect_mysql) {
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$this->connectMySQL();
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}
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}
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private function connectPostgres() {
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$pg = $this->config['postgresql'];
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$conn_string = sprintf(
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"host=%s port=%s dbname=%s user=%s password=%s",
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$pg['host'] ?? 'localhost',
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$pg['port'] ?? '5432',
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$pg['database'] ?? 'krempl_data',
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$pg['user'] ?? 'krempl_user',
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$pg['password'] ?? ''
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);
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$this->pg_conn = @pg_connect($conn_string);
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if (!$this->pg_conn) {
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throw new Exception("PostgreSQL connection failed. Check credentials in config.ini");
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}
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}
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private function connectMySQL() {
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if (!isset($this->config['mysql'])) {
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throw new Exception("MySQL config section not found in config.ini");
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}
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$my = $this->config['mysql'];
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$this->mysql_conn = @mysqli_connect(
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$my['host'] ?? 'localhost',
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$my['user'] ?? '',
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$my['password'] ?? '',
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$my['database'] ?? ''
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);
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if (!$this->mysql_conn) {
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throw new Exception("MySQL connection failed: " . mysqli_connect_error());
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}
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mysqli_set_charset($this->mysql_conn, 'utf8mb4');
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}
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public function getPostgresConnection() {
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return $this->pg_conn;
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}
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public function getMySQLConnection() {
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return $this->mysql_conn;
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}
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/**
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* Search for devices using intelligent normalized search
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*
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* @param string $search_term The search term (e.g. "AWB 921 PH", "ZCS 2100B")
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* @param int $limit Maximum number of results (default: 20)
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* @return array Array of devices with scores and ersatzteile
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*/
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public function searchGeraete($search_term, $limit = 20) {
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if (empty($search_term)) {
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return [];
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}
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$results = [];
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// Search for devices using the smart search function
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$query = "SELECT * FROM search_geraete_smart($1, $2)";
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$result = pg_query_params($this->pg_conn, $query, [$search_term, $limit]);
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if (!$result) {
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throw new Exception("Search query failed: " . pg_last_error($this->pg_conn));
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}
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while ($row = pg_fetch_assoc($result)) {
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// For each device, find matching ersatzteile
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$row['ersatzteile'] = $this->getErsatzteileForGeraet($row['geraet_id']);
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$results[] = $row;
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}
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return $results;
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}
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/**
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* Get all ersatzteile (spare parts) for a specific device
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*
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* @param int $geraet_id The device ID
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* @param int $limit Maximum number of results (default: 200)
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* @return array Array of ersatzteile with navision_id, krempl_id, etc.
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*/
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public function getErsatzteileForGeraet($geraet_id, $limit = 200) {
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$query = "
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SELECT
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e.id AS krempl_id,
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e.navision_id,
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e.originalnummer,
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e.marke
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FROM ersatzteil_mapping em
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INNER JOIN ersatzteile e ON em.ersatzteil_id = e.id
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WHERE $1 = ANY(em.geraet_ids)
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ORDER BY e.navision_id
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LIMIT $2
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";
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$result = pg_query_params($this->pg_conn, $query, [$geraet_id, $limit]);
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if (!$result) {
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throw new Exception("Ersatzteile query failed: " . pg_last_error($this->pg_conn));
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}
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$ersatzteile = [];
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while ($row = pg_fetch_assoc($result)) {
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$ersatzteile[] = $row;
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}
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return $ersatzteile;
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}
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/**
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* Get all devices compatible with a specific ersatzteil (by navision_id)
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*
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* @param int $navision_id The Navision ID from the shop
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* @param int $limit Maximum number of results (default: 500)
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* @return array Array of compatible devices
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*/
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public function getGeraeteForNavisionId($navision_id, $limit = 500) {
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// First find the krempl ersatzteil_id
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$query1 = "SELECT id FROM ersatzteile WHERE navision_id = $1 LIMIT 1";
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$result1 = pg_query_params($this->pg_conn, $query1, [$navision_id]);
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if (!$result1) {
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throw new Exception("Navision lookup failed: " . pg_last_error($this->pg_conn));
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}
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$row = pg_fetch_assoc($result1);
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if (!$row) {
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return []; // No krempl data for this navision_id
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}
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$ersatzteil_id = $row['id'];
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// Get the array of device IDs
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$query2 = "SELECT geraet_ids FROM ersatzteil_mapping WHERE ersatzteil_id = $1";
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$result2 = pg_query_params($this->pg_conn, $query2, [$ersatzteil_id]);
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if (!$result2) {
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throw new Exception("Mapping lookup failed: " . pg_last_error($this->pg_conn));
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}
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$row = pg_fetch_assoc($result2);
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if (!$row || !$row['geraet_ids']) {
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return [];
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}
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// Parse the PostgreSQL array format
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$geraet_ids_str = trim($row['geraet_ids'], '{}');
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$geraet_ids = array_map('intval', explode(',', $geraet_ids_str));
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// Get device details
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$query3 = "
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SELECT
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id,
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nr,
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modell_bezeichnung,
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typ,
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typ_de,
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marke,
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zusatz
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FROM geraete
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WHERE id = ANY($1)
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ORDER BY marke, modell_bezeichnung
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LIMIT $2
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";
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$result3 = pg_query_params($this->pg_conn, $query3, ['{' . implode(',', $geraet_ids) . '}', $limit]);
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if (!$result3) {
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throw new Exception("Geraete lookup failed: " . pg_last_error($this->pg_conn));
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}
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$geraete = [];
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while ($row = pg_fetch_assoc($result3)) {
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$geraete[] = $row;
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}
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return $geraete;
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}
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/**
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* Rebuild the search index after CSV re-import
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* Call this after running import.py
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*
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* @return int Number of rows indexed
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*/
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public function rebuildSearchIndex() {
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$query = "SELECT rebuild_geraete_search_index()";
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$result = pg_query($this->pg_conn, $query);
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if (!$result) {
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throw new Exception("Rebuild index failed: " . pg_last_error($this->pg_conn));
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}
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$row = pg_fetch_row($result);
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return (int)$row[0];
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}
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/**
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* Get database statistics
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*
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* @return array Statistics about the database
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*/
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public function getStats() {
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$stats = [];
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$queries = [
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'geraete_count' => "SELECT COUNT(*) FROM geraete",
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'ersatzteile_count' => "SELECT COUNT(*) FROM ersatzteile",
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'mapping_count' => "SELECT COUNT(*) FROM ersatzteil_mapping",
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'passendwie_count' => "SELECT COUNT(*) FROM passendwie",
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'search_index_count' => "SELECT COUNT(*) FROM geraete_search_index",
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];
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foreach ($queries as $key => $query) {
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$result = pg_query($this->pg_conn, $query);
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if ($result) {
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$row = pg_fetch_row($result);
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$stats[$key] = (int)$row[0];
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}
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}
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return $stats;
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}
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/**
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* Get available shop items for a device (Hybrid: PostgreSQL + MySQL)
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*
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* This function combines Krempl data (PostgreSQL) with shop inventory (MySQL)
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* to show only the spare parts that are actually available in the shop.
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*
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* @param int $geraet_id The Krempl device ID
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* @param int $limit Maximum number of items to return (default: 200)
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* @return array Array of shop items with full details
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*/
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public function getAvailableItemsForGeraet($geraet_id, $limit = 200) {
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// Ensure MySQL is connected
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if (!$this->mysql_conn) {
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$this->connectMySQL();
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}
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// Step 1: Get all Navision IDs from PostgreSQL for this device
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$navision_ids = [];
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$query = "
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SELECT e.navision_id
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FROM ersatzteil_mapping em
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INNER JOIN ersatzteile e ON em.ersatzteil_id = e.id
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WHERE $1 = ANY(em.geraet_ids)
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AND e.navision_id IS NOT NULL
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ORDER BY e.navision_id
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";
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$result = pg_query_params($this->pg_conn, $query, [$geraet_id]);
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if (!$result) {
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throw new Exception("Failed to get navision_ids: " . pg_last_error($this->pg_conn));
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}
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while ($row = pg_fetch_assoc($result)) {
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$navision_ids[] = (int)$row['navision_id'];
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}
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if (empty($navision_ids)) {
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return []; // No parts found
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}
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// Step 2: Query MySQL for items that match these Navision IDs
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// Logic: number >= 8 digits → navision_id is in `number`
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// number < 8 digits → navision_id is in `attribute_7`
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$navision_ids_str = implode(',', $navision_ids);
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$mysql_query = "
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SELECT
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i.id,
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i.number,
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i.name,
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i.attribute_7 AS navision_id_alt,
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i.inventory,
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i.base_price,
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i.manufacturer_id,
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i.structure_id,
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CASE
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WHEN LENGTH(i.number) >= 8 THEN i.number
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ELSE i.attribute_7
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END AS matched_navision_id
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FROM items i
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WHERE (
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(LENGTH(i.number) >= 8 AND i.number IN ($navision_ids_str))
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OR
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(LENGTH(i.number) < 8 AND i.attribute_7 IN ($navision_ids_str))
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)
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AND i.active = 1
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ORDER BY i.name
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LIMIT $limit
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";
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$mysql_result = mysqli_query($this->mysql_conn, $mysql_query);
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if (!$mysql_result) {
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throw new Exception("MySQL query failed: " . mysqli_error($this->mysql_conn));
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}
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$items = [];
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while ($row = mysqli_fetch_assoc($mysql_result)) {
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$items[] = $row;
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}
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return $items;
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}
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public function __destruct() {
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if ($this->pg_conn) {
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pg_close($this->pg_conn);
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}
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if ($this->mysql_conn) {
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mysqli_close($this->mysql_conn);
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}
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}
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}
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