mirror of
https://code.mensbeam.com/MensBeam/Arsse.git
synced 2024-12-23 09:02:41 +00:00
215 lines
8.8 KiB
PHP
215 lines
8.8 KiB
PHP
<?php
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/** @license MIT
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* Copyright 2017 J. King, Dustin Wilson et al.
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* See LICENSE and AUTHORS files for details */
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declare(strict_types=1);
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namespace JKingWeb\Arsse\Test;
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use JKingWeb\Arsse\Arsse;
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use JKingWeb\Arsse\Db\Driver;
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class DatabaseInformation {
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public $name;
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public $backend;
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public $pdo;
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public $resultClass;
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public $statementClass;
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public $driverClass;
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public $stringOutput;
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public $interfaceConstructor;
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public $truncateFunction;
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public $razeFunction;
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protected static $data;
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public function __construct(string $name) {
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if (!isset(self::$data)) {
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self::$data = self::getData();
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}
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if (!isset(self::$data[$name])) {
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throw new \Exception("Invalid database driver name");
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}
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$this->name = $name;
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foreach (self::$data[$name] as $key => $value) {
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$this->$key = $value;
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}
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}
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public static function list(): array {
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if (!isset(self::$data)) {
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self::$data = self::getData();
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}
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return array_keys(self::$data);
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}
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public static function listPDO(): array {
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if (!isset(self::$data)) {
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self::$data = self::getData();
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}
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return array_values(array_filter(array_keys(self::$data), function($k) {
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return self::$data[$k]['pdo'];
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}));
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}
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protected static function getData() {
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$sqlite3TableList = function($db): array {
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$listTables = "SELECT name from sqlite_master where type = 'table' and name like 'arsse_%'";
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if ($db instanceof Driver) {
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$tables = $db->query($listTables)->getAll();
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$tables = sizeof($tables) ? array_column($tables, "name") : [];
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} elseif ($db instanceof \PDO) {
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retry:
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try {
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$tables = $db->query($listTables)->fetchAll(\PDO::FETCH_ASSOC);
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} catch (\PDOException $e) {
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goto retry;
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}
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$tables = sizeof($tables) ? array_column($tables, "name") : [];
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} else {
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$tables = [];
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$result = $db->query($listTables);
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while ($r = $result->fetchArray(\SQLITE3_ASSOC)) {
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$tables[] = $r['name'];
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}
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$result->finalize();
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}
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return $tables;
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};
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$sqlite3TruncateFunction = function($db, array $afterStatements = []) use ($sqlite3TableList) {
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// rollback any pending transaction
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try {
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$db->exec("ROLLBACK");
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} catch(\Throwable $e) {
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}
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foreach ($sqlite3TableList($db) as $table) {
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if ($table == "arsse_meta") {
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$db->exec("DELETE FROM $table where key <> 'schema_version'");
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} else {
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$db->exec("DELETE FROM $table");
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}
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}
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foreach ($afterStatements as $st) {
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$db->exec($st);
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}
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};
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$sqlite3RazeFunction = function($db, array $afterStatements = []) use ($sqlite3TableList) {
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// rollback any pending transaction
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try {
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$db->exec("ROLLBACK");
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} catch(\Throwable $e) {
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}
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$db->exec("PRAGMA foreign_keys=0");
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foreach ($sqlite3TableList($db) as $table) {
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$db->exec("DROP TABLE IF EXISTS $table");
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}
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$db->exec("PRAGMA user_version=0");
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$db->exec("PRAGMA foreign_keys=1");
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foreach ($afterStatements as $st) {
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$db->exec($st);
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}
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};
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$pgObjectList = function($db): array {
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$listObjects = "SELECT table_name as name, 'TABLE' as type from information_schema.tables where table_schema = current_schema() and table_name like 'arsse_%' union SELECT collation_name as name, 'COLLATION' as type from information_schema.collations where collation_schema = current_schema()";
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if ($db instanceof Driver) {
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return $db->query($listObjects)->getAll();
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} elseif ($db instanceof \PDO) {
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return $db->query($listObjects)->fetchAll(\PDO::FETCH_ASSOC);
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} else {
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throw \Exception("Native PostgreSQL interface not implemented");
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}
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};
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return [
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'SQLite 3' => [
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'pdo' => false,
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'backend' => "SQLite 3",
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'statementClass' => \JKingWeb\Arsse\Db\SQLite3\Statement::class,
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'resultClass' => \JKingWeb\Arsse\Db\SQLite3\Result::class,
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'driverClass' => \JKingWeb\Arsse\Db\SQLite3\Driver::class,
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'stringOutput' => false,
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'interfaceConstructor' => function() {
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try {
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$d = new \SQLite3(Arsse::$conf->dbSQLite3File);
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} catch (\Throwable $e) {
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return;
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}
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$d->enableExceptions(true);
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return $d;
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},
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'truncateFunction' => $sqlite3TruncateFunction,
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'razeFunction' => $sqlite3RazeFunction,
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],
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'PDO SQLite 3' => [
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'pdo' => true,
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'backend' => "SQLite 3",
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'statementClass' => \JKingWeb\Arsse\Db\PDOStatement::class,
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'resultClass' => \JKingWeb\Arsse\Db\PDOResult::class,
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'driverClass' => \JKingWeb\Arsse\Db\SQLite3\PDODriver::class,
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'stringOutput' => true,
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'interfaceConstructor' => function() {
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try {
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$d = new \PDO("sqlite:".Arsse::$conf->dbSQLite3File, "", "", [\PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION]);
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$d->exec("PRAGMA busy_timeout=0");
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return $d;
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} catch (\Throwable $e) {
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return;
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}
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},
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'truncateFunction' => $sqlite3TruncateFunction,
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'razeFunction' => $sqlite3RazeFunction,
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],
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'PDO PostgreSQL' => [
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'pdo' => true,
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'backend' => "PostgreSQL",
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'statementClass' => \JKingWeb\Arsse\Db\PDOStatement::class,
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'resultClass' => \JKingWeb\Arsse\Db\PDOResult::class,
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'driverClass' => \JKingWeb\Arsse\Db\PostgreSQL\PDODriver::class,
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'stringOutput' => true,
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'interfaceConstructor' => function() {
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$connString = \JKingWeb\Arsse\Db\PostgreSQL\Driver::makeConnectionString(true, Arsse::$conf->dbPostgreSQLUser, Arsse::$conf->dbPostgreSQLPass, Arsse::$conf->dbPostgreSQLDb, Arsse::$conf->dbPostgreSQLHost, Arsse::$conf->dbPostgreSQLPort, "");
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try {
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$d = new \PDO("pgsql:".$connString, Arsse::$conf->dbPostgreSQLUser, Arsse::$conf->dbPostgreSQLPass, [\PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION]);
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} catch (\Throwable $e) {
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return;
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}
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foreach (\JKingWeb\Arsse\Db\PostgreSQL\PDODriver::makeSetupQueries(Arsse::$conf->dbPostgreSQLSchema) as $q) {
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$d->exec($q);
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}
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return $d;
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},
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'truncateFunction' => function($db, array $afterStatements = []) use ($pgObjectList) {
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// rollback any pending transaction
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try {
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$db->exec("ROLLBACK");
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} catch(\Throwable $e) {
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}
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foreach ($pgObjectList($db) as $obj) {
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if ($obj['type'] != "TABLE") {
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continue;
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} elseif ($obj['name'] == "arsse_meta") {
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$db->exec("DELETE FROM {$obj['name']} where key <> 'schema_version'");
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} else {
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$db->exec("TRUNCATE TABLE {$obj['name']} restart identity cascade");
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}
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}
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foreach ($afterStatements as $st) {
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$db->exec($st);
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}
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},
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'razeFunction' => function($db, array $afterStatements = []) use ($pgObjectList) {
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// rollback any pending transaction
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try {
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$db->exec("ROLLBACK");
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} catch(\Throwable $e) {
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}
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foreach ($pgObjectList($db) as $obj) {
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$db->exec("DROP {$obj['type']} IF EXISTS {$obj['name']} cascade");
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}
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foreach ($afterStatements as $st) {
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$db->exec($st);
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}
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},
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],
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];
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}
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}
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