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MDL-21432 restore - block tasks, factories

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This commit is contained in:
Eloy Lafuente 2010-07-11 18:25:53 +00:00
parent 2801883fd5
commit 90338ad14b
2 changed files with 54 additions and 11 deletions
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13
backup/util/factories/restore_factory.class.php
View file

@ -40,22 +40,15 @@ abstract class restore_factory {
}
}
public static function get_restore_block_task($format, $blockid, $moduleid = null) {
global $CFG, $DB;
public static function get_restore_block_task($blockname, $basepath) {
// Check blockid exists
if (!$block = $DB->get_record('block_instances', array('id' => $blockid))) {
throw new restore_task_exception('block_task_block_instance_not_found', $blockid);
}
// Set default block backup task
$classname = 'restore_default_block_task';
$testname = 'restore_' . $block->blockname . '_block_task';
$testname = 'restore_' . $blockname . '_block_task';
// If the block has custom backup/restore task class (testname), use it
if (class_exists($testname)) {
$classname = $testname;
}
return new $classname($block->blockname, $blockid, $moduleid);
return new $classname($blockname, $basepath);
}
public static function get_restore_section_task($info) {

52
backup/util/helper/backup_general_helper.class.php
View file

@ -56,6 +56,51 @@ abstract class backup_general_helper extends backup_helper {
return $checksum;
}
/**
* Load all the blocks information needed for a given path within moodle2 backup
*
* This function, given one full path (course, activities/xxxx) will look for all the
* blocks existing in the backup file, returning one array used to build the
* proper restore plan by the @restore_plan_builder
*/
public static function get_blocks_from_path($path) {
global $DB;
$blocks = array(); // To return results
static $availableblocks = array(); // Get and cache available blocks
if (empty($availableblocks)) {
$availableblocks = array_keys(get_plugin_list('block'));
}
$path = $path . '/blocks'; // Always look under blocks subdir
if (!is_dir($path)) {
return array();
}
$dir = opendir($path);
while (false !== ($file = readdir($dir))) {
if ($file == '.' || $file == '..') { // Skip dots
continue;
}
if (is_dir($path .'/' . $file)) { // Dir found, check it's a valid block
if (!file_exists($path .'/' . $file . '/block.xml')) { // Skip if xml file not found
continue;
}
// Extract block name
$blockname = preg_replace('/(.*)_\d+/', '\\1', $file);
// Check block exists and is installed
if (in_array($blockname, $availableblocks) && $DB->record_exists('block', array('name' => $blockname))) {
$blocks[$path .'/' . $file] = $blockname;
}
}
}
closedir($dir);
return $blocks;
}
/**
* Load and format all the needed information from moodle_backup.xml
*
@ -159,9 +204,14 @@ abstract class backup_general_helper extends backup_helper {
*/
public static function detect_backup_format($tempdir) {
global $CFG;
$filepath = $CFG->dataroot . '/temp/backup/' . $tempdir . '/moodle_backup.xml';
// Does tempdir exist and is dir
if (!is_dir(dirname($filepath))) {
throw new backup_helper_exception('tmp_backup_directory_not_found', dirname($filepath));
}
// First look for MOODLE (moodle2) format
$filepath = $CFG->dataroot . '/temp/backup/' . $tempdir . '/moodle_backup.xml';
if (file_exists($filepath)) { // Looks promising, lets load some information
$handle = fopen ($filepath, "r");
$first_chars = fread($handle,200);