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- <?php
- if (!defined('LYCHEE')) exit('Error: Direct access is not allowed!');
- class Database extends Module {
- static function connect($host = 'localhost', $user, $password, $name = 'lychee') {
-
- Module::dependencies(isset($host, $user, $password, $name));
- $database = new mysqli($host, $user, $password);
-
- if ($database->connect_errno) exit('Error: ' . $database->connect_error);
-
- if ($database->server_version<50500) $database->set_charset('GBK');
- else $database->set_charset('utf8');
-
- $database->query('SET NAMES utf8;');
-
- if (!$database->select_db($name))
- if (!Database::createDatabase($database, $name)) exit('Error: Could not create database!');
-
- $query = Database::prepare($database, 'SELECT * FROM ?, ?, ?, ? LIMIT 0', array(LYCHEE_TABLE_PHOTOS, LYCHEE_TABLE_ALBUMS, LYCHEE_TABLE_SETTINGS, LYCHEE_TABLE_LOG));
- if (!$database->query($query))
- if (!Database::createTables($database)) exit('Error: Could not create tables!');
- return $database;
- }
- static function update($database, $dbName, $version = 0) {
-
- Module::dependencies(isset($database, $dbName));
- if (!isset($version)) return true;
-
- $updates = array(
- '020100',
- '020101',
- '020200',
- '020500',
- '020505',
- '020601',
- '020602',
- '020700'
- );
-
- foreach ($updates as $update) {
- if ($update<=$version) continue;
-
- include(__DIR__ . '/../database/update_' . $update . '.php');
- }
- return true;
- }
- static function createConfig($host = 'localhost', $user, $password, $name = 'lychee', $prefix = '') {
-
- Module::dependencies(isset($host, $user, $password, $name));
- $database = new mysqli($host, $user, $password);
- if ($database->connect_errno) return 'Warning: Connection failed!';
-
- if (!$database->select_db($name)) {
-
-
- $result = $database->query('CREATE DATABASE lychee_dbcheck');
- if (!$result) return 'Warning: Creation failed!';
- else $database->query('DROP DATABASE lychee_dbcheck');
- }
-
- $host = mysqli_real_escape_string($database, $host);
- $user = mysqli_real_escape_string($database, $user);
- $password = mysqli_real_escape_string($database, $password);
- $name = mysqli_real_escape_string($database, $name);
- $prefix = mysqli_real_escape_string($database, $prefix);
-
- $config = "<?php
- ###
- # @name Configuration
- # @author Tobias Reich
- # @copyright 2014 Tobias Reich
- ###
- if(!defined('LYCHEE')) exit('Error: Direct access is not allowed!');
- # Database configuration
- \$dbHost = '$host'; # Host of the database
- \$dbUser = '$user'; # Username of the database
- \$dbPassword = '$password'; # Password of the database
- \$dbName = '$name'; # Database name
- \$dbTablePrefix = '$prefix'; # Table prefix
- ?>";
-
- if (file_put_contents(LYCHEE_CONFIG_FILE, $config)===false) return 'Warning: Could not create file!';
- return true;
- }
- static function createDatabase($database, $name = 'lychee') {
-
- Module::dependencies(isset($database, $name));
-
- $result = $database->query("CREATE DATABASE IF NOT EXISTS $name;");
- $database->select_db($name);
- if (!$database->select_db($name)||!$result) return false;
- return true;
- }
- static function createTables($database) {
-
- Module::dependencies(isset($database));
-
- $exist = Database::prepare($database, 'SELECT * FROM ? LIMIT 0', array(LYCHEE_TABLE_LOG));
- if (!$database->query($exist)) {
-
- $file = __DIR__ . '/../database/log_table.sql';
- $query = @file_get_contents($file);
- if (!isset($query)||$query===false) return false;
-
- $query = Database::prepare($database, $query, array(LYCHEE_TABLE_LOG));
- if (!$database->query($query)) return false;
- }
-
- $exist = Database::prepare($database, 'SELECT * FROM ? LIMIT 0', array(LYCHEE_TABLE_SETTINGS));
- if (!$database->query($exist)) {
-
- $file = __DIR__ . '/../database/settings_table.sql';
- $query = @file_get_contents($file);
- if (!isset($query)||$query===false) {
- Log::error($database, __METHOD__, __LINE__, 'Could not load query for lychee_settings');
- return false;
- }
-
- $query = Database::prepare($database, $query, array(LYCHEE_TABLE_SETTINGS));
- if (!$database->query($query)) {
- Log::error($database, __METHOD__, __LINE__, $database->error);
- return false;
- }
-
- $file = __DIR__ . '/../database/settings_content.sql';
- $query = @file_get_contents($file);
- if (!isset($query)||$query===false) {
- Log::error($database, __METHOD__, __LINE__, 'Could not load content-query for lychee_settings');
- return false;
- }
-
- $query = Database::prepare($database, $query, array(LYCHEE_TABLE_SETTINGS));
- if (!$database->query($query)) {
- Log::error($database, __METHOD__, __LINE__, $database->error);
- return false;
- }
- }
-
- $exist = Database::prepare($database, 'SELECT * FROM ? LIMIT 0', array(LYCHEE_TABLE_ALBUMS));
- if (!$database->query($exist)) {
-
- $file = __DIR__ . '/../database/albums_table.sql';
- $query = @file_get_contents($file);
- if (!isset($query)||$query===false) {
- Log::error($database, __METHOD__, __LINE__, 'Could not load query for lychee_albums');
- return false;
- }
-
- $query = Database::prepare($database, $query, array(LYCHEE_TABLE_ALBUMS));
- if (!$database->query($query)) {
- Log::error($database, __METHOD__, __LINE__, $database->error);
- return false;
- }
- }
-
- $exist = Database::prepare($database, 'SELECT * FROM ? LIMIT 0', array(LYCHEE_TABLE_PHOTOS));
- if (!$database->query($exist)) {
-
- $file = __DIR__ . '/../database/photos_table.sql';
- $query = @file_get_contents($file);
- if (!isset($query)||$query===false) {
- Log::error($database, __METHOD__, __LINE__, 'Could not load query for lychee_photos');
- return false;
- }
-
- $query = Database::prepare($database, $query, array(LYCHEE_TABLE_PHOTOS));
- if (!$database->query($query)) {
- Log::error($database, __METHOD__, __LINE__, $database->error);
- return false;
- }
- }
- return true;
- }
- static function setVersion($database, $version) {
- $query = Database::prepare($database, "UPDATE ? SET value = '?' WHERE `key` = 'version'", array(LYCHEE_TABLE_SETTINGS, $version));
- $result = $database->query($query);
- if (!$result) {
- Log::error($database, __METHOD__, __LINE__, 'Could not update database (' . $database->error . ')');
- return false;
- }
- }
- static function prepare($database, $query, $data) {
-
- Module::dependencies(isset($database, $query, $data));
-
-
-
-
- $skip = 0;
- $num = array(
- 'placeholder' => substr_count($query, '?'),
- 'data' => count($data)
- );
- if (($num['data']-$num['placeholder'])<0) Log::notice($database, __METHOD__, __LINE__, 'Could not completely prepare query. Query has more placeholders than values.');
- foreach ($data as $value) {
-
- $value = mysqli_real_escape_string($database, $value);
-
- $num['placeholder'] = substr_count($query, '?');
-
- if ($num['placeholder']>$num['data']) $skip = $num['placeholder'] - $num['data'];
- if ($skip>0) {
-
-
-
- $pos = -1;
- for ($i=$skip; $i>0; $i--) $pos = strpos($query, '?', $pos + 1);
- $pos++;
- $temp = substr($query, 0, $pos);
- $query = substr($query, $pos);
- }
-
- $query = preg_replace('/\?/', $value, $query, 1);
- if ($skip>0) {
-
- $query = $temp . $query;
- }
-
- $skip = 0;
-
- $num['data']--;
- }
- return $query;
- }
- }
- ?>
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