/**
* Functions creates dump of tables in $file.
*
* @param mixed $tables Array of tables
* @param string $dir Directory for saving file with table names
* @param string $file Dump file name \
* @param Logger $log
* @return bool Boolean False on failure
*/
function fn_uc_backup_tables($tables, $dir, $file, $log)
{
if (empty($tables)) {
return array();
}
if (!is_array($tables)) {
$tables = array($tables);
}
$new_license_data = fn_uc_get_new_license_data();
if (!empty($new_license_data['new_license']) && !in_array(Registry::get('config.table_prefix') . 'settings', $tables)) {
$tables[] = Registry::get('config.table_prefix') . 'settings';
}
$file_backuped_tables = "{$dir}/db_backup_tables.txt";
$backuped_tables = is_file($file_backuped_tables) ? explode("\n", fn_get_contents($file_backuped_tables)) : array();
foreach ($tables as $key => &$table) {
$table = fn_check_db_prefix($table, Registry::get('config.table_prefix'));
if (in_array($table, $backuped_tables)) {
unset($tables[$key]);
}
}
if (empty($tables)) {
return $tables;
}
if (false === fn_uc_is_enough_disk_space($file, $tables)) {
fn_set_notification('W', __('warning'), __('text_uc_no_enough_space_to_backup_database'));
return false;
}
if (fn_uc_is_mysqldump_available(Registry::get('config.db_password'))) {
$log->write('Using mysqldump', __FILE__, __LINE__);
$command = 'mysqldump --compact --no-create-db --add-drop-table --default-character-set=utf8 --skip-comments --verbose --host=' . Registry::get('config.db_host') . ' --user='******'config.db_user') . ' --password=\'' . Registry::get('config.db_password') . '\' --databases ' . Registry::get('config.db_name') . ' --tables ' . implode(' ', $tables) . ' >> ' . $file;
system($command, $retval);
if (0 === $retval) {
$backuped_tables = array_merge($backuped_tables, $tables);
fn_put_contents($file_backuped_tables, implode("\n", $backuped_tables));
return $tables;
}
$log->write('mysqldump has reported failure', __FILE__, __LINE__);
}
$rows_per_pass = 40;
$max_row_size = 10000;
$t_status = db_get_hash_array("SHOW TABLE STATUS", 'Name');
$f = fopen($file, 'ab');
if (!empty($f)) {
foreach ($tables as &$table) {
$log->write('Backing up table: ' . $table, __FILE__, __LINE__);
fwrite($f, "\nDROP TABLE IF EXISTS " . str_replace('?:', Registry::get('config.table_prefix'), $table) . ";\n");
if (empty($t_status[str_replace('?:', Registry::get('config.table_prefix'), $table)])) {
// new table in upgrade, we need drop statement only
continue;
}
$scheme = db_get_row("SHOW CREATE TABLE {$table}");
fwrite($f, array_pop($scheme) . ";\n\n");
$total_rows = db_get_field("SELECT COUNT(*) FROM {$table}");
// Define iterator
if ($t_status[str_replace('?:', Registry::get('config.table_prefix'), $table)]['Avg_row_length'] < $max_row_size) {
$it = $rows_per_pass;
} else {
$it = 1;
}
fn_echo(' .');
for ($i = 0; $i < $total_rows; $i = $i + $it) {
$table_data = db_get_array("SELECT * FROM {$table} LIMIT {$i}, {$it}");
foreach ($table_data as $_tdata) {
$_tdata = fn_add_slashes($_tdata, true);
$values = array();
foreach ($_tdata as $v) {
$values[] = $v !== null ? "'{$v}'" : 'NULL';
}
fwrite($f, "INSERT INTO " . str_replace('?:', Registry::get('config.table_prefix'), $table) . " (`" . implode('`, `', array_keys($_tdata)) . "`) VALUES (" . implode(', ', $values) . ");\n");
}
}
$backuped_tables[] = "{$table}";
}
fclose($f);
@chmod($file, DEFAULT_FILE_PERMISSIONS);
fn_put_contents($file_backuped_tables, implode("\n", $backuped_tables));
return $tables;
}
}
/**
* Fuctnions parses SQL file and import data from it
*
* @param string $file File for import
* @param integer $buffer Buffer size for fread function
* @param bool $show_status Show or do not show process by printing ' .'
* @param integer $show_create_table 0 - Do not print the name of created table, 1 - Print name and get lang_var('create_table'), 2 - Print name without getting lang_var
* @param bool $check_prefix Check table prefix and replace it with the installed in config.php
* @param bool $track Use queries cache. Do not execute queries that already are executed.
* @param bool $skip_errors Skip errors or not
* @param bool $move_progress_bar Move COMET progress bar or not on show progress
* @return bool false, if file is not accessible
*/
function db_import_sql_file($file, $buffer = 16384, $show_status = true, $show_create_table = 1, $check_prefix = false, $track = false, $skip_errors = false, $move_progress_bar = true)
{
if (file_exists($file)) {
$path = dirname($file);
$file_name = fn_basename($file);
$tmp_file = $path . "/{$file_name}.tmp";
$executed_queries = array();
if ($track && file_exists($tmp_file)) {
$executed_queries = unserialize(fn_get_contents($tmp_file));
}
if ($skip_errors) {
$_skip_errors = Registry::get('runtime.database.skip_errors');
Registry::set('runtime.database.skip_errors', true);
}
$fd = fopen($file, 'r');
if ($fd) {
$ret = array();
$rest = '';
$fs = filesize($file);
if ($show_status && $move_progress_bar) {
fn_set_progress('step_scale', ceil($fs / $buffer));
}
while (!feof($fd)) {
$str = $rest . fread($fd, $buffer);
$rest = fn_parse_queries($ret, $str);
if ($show_status) {
fn_set_progress('echo', '<br />' . __('importing_data'), $move_progress_bar);
}
if (!empty($ret)) {
foreach ($ret as $query) {
if (!in_array($query, $executed_queries)) {
if ($show_create_table && preg_match('/CREATE\\s+TABLE\\s+`?(\\w+)`?/i', $query, $matches)) {
if ($show_create_table == 1) {
$_text = __('creating_table');
} elseif ($show_create_table == 2) {
$_text = 'Creating table';
}
$table_name = $check_prefix ? fn_check_db_prefix($matches[1], Registry::get('config.table_prefix')) : $matches[1];
if ($show_status) {
fn_set_progress('echo', '<br />' . $_text . ': <b>' . $table_name . '</b>', $move_progress_bar);
}
}
if ($check_prefix) {
$query = fn_check_db_prefix($query);
}
Database::query($query);
if ($track) {
$executed_queries[] = $query;
fn_put_contents($tmp_file, serialize($executed_queries));
}
if ($show_status) {
fn_echo(' .');
}
}
}
$ret = array();
}
}
fclose($fd);
return true;
}
if ($skip_errors) {
Registry::set('runtime.database.skip_errors', $_skip_errors);
}
}
return false;
}
/**
* Functions creates dump of tables in $file.
*
* @param mixed $tables Array of tables
* @param string $file Dump file name
* @return Boolean False on failure
*/
function fn_uc_backup_tables($tables, $file)
{
$rows_per_pass = 40;
$max_row_size = 10000;
if (!empty($tables)) {
if (!is_array($tables)) {
$tables = array($tables);
}
$t_status = db_get_hash_array("SHOW TABLE STATUS", 'Name');
$f = fopen($file, 'ab');
if (!empty($f)) {
foreach ($tables as &$table) {
$table = fn_check_db_prefix($table);
fwrite($f, "\nDROP TABLE IF EXISTS " . str_replace('?:', TABLE_PREFIX, $table) . ";\n");
if (empty($t_status[str_replace('?:', TABLE_PREFIX, $table)])) {
// new table in upgrade, we need drop statement only
continue;
}
$scheme = db_get_row("SHOW CREATE TABLE {$table}");
fwrite($f, array_pop($scheme) . ";\n\n");
$total_rows = db_get_field("SELECT COUNT(*) FROM {$table}");
// Define iterator
if ($t_status[str_replace('?:', TABLE_PREFIX, $table)]['Avg_row_length'] < $max_row_size) {
$it = $rows_per_pass;
} else {
$it = 1;
}
fn_echo(' .');
for ($i = 0; $i < $total_rows; $i = $i + $it) {
$table_data = db_get_array("SELECT * FROM {$table} LIMIT {$i}, {$it}");
foreach ($table_data as $_tdata) {
$_tdata = fn_add_slashes($_tdata, true);
fwrite($f, "INSERT INTO " . str_replace('?:', TABLE_PREFIX, $table) . " (`" . implode('`, `', array_keys($_tdata)) . "`) VALUES ('" . implode('\', \'', array_values($_tdata)) . "');\n");
}
}
}
fclose($f);
@chmod($file, DEFAULT_FILE_PERMISSIONS);
return $tables;
}
} else {
return array();
}
}
