mirror of
https://github.com/silverstripe/silverstripe-sqlite3
synced 2024-10-22 17:05:37 +02:00
110 lines
3.2 KiB
PHP
110 lines
3.2 KiB
PHP
<?php
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/**
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* This is a helper class for the SS installer.
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*
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* It does all the specific checking for SQLiteDatabase
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* to ensure that the configuration is setup correctly.
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*
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* @package sqlite3
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*/
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class SQLiteDatabaseConfigurationHelper implements DatabaseConfigurationHelper {
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/**
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* Ensure that one of the database classes
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* is available. If it is, we assume the PHP module for this
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* database has been setup correctly.
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*
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* @param array $databaseConfig Associative array of database configuration, e.g. "type", "path" etc
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* @return boolean
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*/
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public function requireDatabaseFunctions($databaseConfig) {
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if($databaseConfig['type'] == 'SQLitePDODatabase' || version_compare(phpversion(), '5.3.0', '<')) return class_exists('PDO') ? true : false;
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return class_exists('SQLite3');
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}
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/**
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* Ensure that the database server exists.
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* @param array $databaseConfig Associative array of db configuration, e.g. "type", "path" etc
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* @return array Result - e.g. array('success' => true, 'error' => 'details of error')
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*/
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public function requireDatabaseServer($databaseConfig) {
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if(is_writable($databaseConfig['path'])) {
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$success = true;
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} else {
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$success = false;
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$error = 'Webserver can\'t write database file to ' . $databaseConfig['path'];
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}
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return array(
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'success' => $success,
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'error' => $error
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);
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}
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/**
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* Ensure a database connection is possible using credentials provided.
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* @param array $databaseConfig Associative array of db configuration, e.g. "type", "path" etc
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* @return array Result - e.g. array('success' => true, 'error' => 'details of error')
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*/
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public function requireDatabaseConnection($databaseConfig) {
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$success = false;
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$error = '';
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SQLite3Database::safe_dir($databaseConfig['path']);
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$file = $databaseConfig['path'] . '/' . $databaseConfig['database'];
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if($databaseConfig['type'] == 'SQLitePDODatabase' || version_compare(phpversion(), '5.3.0', '<')) {
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$conn = @(new PDO("sqlite:$file"));
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} else {
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$conn = @(new SQLite3($file, SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE, $parameters['key']));
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}
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if($conn) {
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$success = true;
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} else {
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$success = false;
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$error = '';
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}
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return array(
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'success' => $success,
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'connection' => $conn,
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'error' => $error
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);
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}
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/**
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* Ensure that the database connection is able to use an existing database,
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* or be able to create one if it doesn't exist.
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*
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* Unfortunately, PostgreSQLDatabase doesn't support automatically creating databases
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* at the moment, so we can only check that the chosen database exists.
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*
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* @param array $databaseConfig Associative array of db configuration, e.g. "server", "username" etc
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* @return array Result - e.g. array('success' => true, 'alreadyExists' => 'true')
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*/
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public function requireDatabaseOrCreatePermissions($databaseConfig) {
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$success = false;
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$alreadyExists = false;
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$canCreate = false;
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$check = $this->requireDatabaseConnection($databaseConfig);
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$conn = $check['connection'];
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if($conn) {
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$success = true;
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$alreadyExists = true;
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} else {
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$success = false;
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$alreadyExists = false;
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}
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return array(
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'success' => $success,
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'alreadyExists' => $alreadyExists,
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);
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}
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}
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