Initial xentral_oss_20.3.c9ffacf

classes/Core/Installer/TableSchemaEnsurer.php

@@ -0,0 +1,163 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Xentral\Core\Installer;
+
+use Xentral\Components\Database\DatabaseConfig;
+use Xentral\Components\Database\Exception\EscapingException;
+use Xentral\Components\SchemaCreator\Collection\SchemaCollection;
+use Xentral\Components\SchemaCreator\Exception\LineGeneratorException;
+use Xentral\Components\SchemaCreator\Exception\SchemaCreatorTableException;
+use Xentral\Components\SchemaCreator\SchemaCreator;
+use RuntimeException;
+
+final class TableSchemaEnsurer
+{
+    /** @var SchemaCreator $creator */
+    private $creator;
+
+    /** @var InstallerCacheConfig $config */
+    private $config;
+
+    /** @var DatabaseConfig $dbConfig */
+    private $dbConfig;
+
+    /**
+     * @param SchemaCreator        $creator
+     * @param InstallerCacheConfig $config
+     * @param DatabaseConfig       $dbConfig
+     */
+    public function __construct(SchemaCreator $creator, InstallerCacheConfig $config, DatabaseConfig $dbConfig)
+    {
+        $this->creator = $creator;
+        $this->config = $config;
+        $this->dbConfig = $dbConfig;
+    }
+
+    /**
+     * @param SchemaCollection $collection
+     *
+     * @throws RuntimeException
+     * @throws EscapingException
+     * @throws LineGeneratorException
+     * @throws SchemaCreatorTableException
+     *
+     * @return void
+     */
+    public function ensureSchemas(SchemaCollection $collection): void
+    {
+        $sqlSchema = [];
+        foreach ($collection as $schema) {
+            $schemaIndexes = $schema->getIndexes();
+            if (!$schemaIndexes->hasPrimaryKey()) {
+                throw new RuntimeException(
+                    sprintf(
+                        'Primary key is missing in schema for table "%s".',
+                        $schema->getTable()
+                    )
+                );
+            }
+            $query = $this->creator->getSqlSchema($schema);
+            if (!empty($query)) {
+                $query = sprintf('%s;',rtrim($query, ';'));
+            }
+            $sqlSchema[] = $query;
+        }
+
+        $sql = implode("\n", $sqlSchema);
+
+        if (trim($sql) === '') {
+            return;
+        }
+
+        $sqlFile = $this->getSqlFilePath();
+        if (!@file_put_contents($sqlFile, $sql)) {
+            throw new RuntimeException(
+                sprintf(
+                    'SQL-Datei "%s" cannot be created. Probably there are no write permissions in %s',
+                    $sqlFile,
+                    $this->config->getUserDataTempDir()
+                )
+            );
+        }
+        $this->importSql($sqlFile);
+    }
+
+    /**
+     * @param string $sqlFile
+     *
+     * @throws RuntimeException
+     *
+     * @return void
+     */
+    private function importSql(string $sqlFile): void
+    {
+        if (!$this->canExec()) {
+            throw new RuntimeException(
+                'PHP function "exec" is not available or has been disabled by php.ini settings.'
+            );
+        }
+
+        if (!is_file($sqlFile) || filesize($sqlFile) < 1) {
+            return;
+        }
+        @exec(
+            sprintf(
+                'mysql -D%s -h%s -u%s -p%s < %s',
+                escapeshellarg($this->dbConfig->getDatabase()),
+                escapeshellarg($this->dbConfig->getHostname()),
+                escapeshellarg($this->dbConfig->getUsername()),
+                escapeshellarg($this->dbConfig->getPassword()),
+                escapeshellarg($sqlFile)
+            ),
+            $output,
+            $returnVar
+        );
+
+        switch ($returnVar) {
+            case 0:
+                // No error
+                break;
+            case 1:
+                throw new RuntimeException('General error: ' . implode(' ', $output));
+                break;
+            case 126:
+                throw new RuntimeException('Can not execute "mysql" command.');
+                break;
+            case 127:
+                throw new RuntimeException('Command "mysql" not found.');
+                break;
+        }
+
+        unlink($sqlFile);
+    }
+
+    /**
+     * @return string
+     */
+    private function getSqlFilePath(): string
+    {
+        return $this->config->getUserDataTempDir() . '/' . uniqid('schema-', true) . '.sql';
+    }
+
+    /**
+     * @return bool
+     */
+    private function canExec(): bool
+    {
+        $functionName = 'exec';
+        if (!function_exists($functionName)) {
+            return false;
+        }
+
+        $disabledFunctions = explode(',', ini_get('disable_functions'));
+        foreach ($disabledFunctions as $disabledFunction) {
+            if (trim($disabledFunction) === $functionName) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}