/**
* Given an ID of an instance of this module,
* this function will permanently delete the instance
* and any data that depends on it.
* @uses $COURSE, $DB
*/
function flashcard_delete_instance($id)
{
global $COURSE, $DB;
// clear anyway what remains here
filesystem_clear_dir($COURSE->id . '/moddata/flashcard/' . $id, FS_FULL_DELETE);
if (!($flashcard = $DB->get_record('flashcard', array('id' => $id)))) {
return false;
}
$result = true;
// Delete any dependent records here
$DB->delete_records('flashcard_card', array('flashcardid' => $flashcard->id));
if (!$DB->delete_records('flashcard', array('id' => $flashcard->id))) {
$result = false;
}
return $result;
}
echo $OUTPUT->box(get_string('vmoodlesnapshot2', 'local_vmoodle'));
$params = array('view' => 'management', 'what' => 'snapshot', 'step' => 2, 'wwwroot' => $wwwroot);
echo $OUTPUT->continue_button(new moodle_url('/local/vmoodle/view.php', $params));
echo $OUTPUT->footer();
die;
}
}
// End of process.
// copy moodle data and protect against copy recursion.
// $CFG->filedebug = 1;
filesystem_copy_tree($vdatapath, $absolute_datadir, $vdatabase, array("^{$templatefoldername}\$"));
// Remove Vmoodle clone session, temp and cache dir.
filesystem_clear_dir($relative_datadir . $separator . 'sessions', true);
filesystem_clear_dir($relative_datadir . $separator . 'temp', true);
filesystem_clear_dir($relative_datadir . $separator . 'cache', true);
filesystem_clear_dir($relative_datadir . $separator . 'localcache', true);
// Store original hostname for further database replacements.
$FILE = fopen($absolute_sqldir . $separator . 'manifest.php', 'w');
fwrite($FILE, "<?php\n ");
fwrite($FILE, "\$templatewwwroot = '" . $wwwroot . "';\n");
fwrite($FILE, "\$templatevdbprefix = '" . $CFG->prefix . "';\n ");
fwrite($FILE, "?>");
fclose($FILE);
if (empty($automation)) {
// Every step was SUCCESS.
$message_object->message = get_string('successfinishedcapture', 'local_vmoodle');
$message_object->style = 'notifysuccess';
// Save confirm message before redirection.
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
echo $OUTPUT->header();
echo $OUTPUT->box(get_string('vmoodlesnapshot3', 'local_vmoodle'));
}
$form->editing = 1;
include "add.html";
return -1;
}
/**************************** delete a vmoodle and uninstall it ************/
if ($action == 'delete') {
$id = required_param('id', PARAM_INT);
$vmoodle = $DB->get_record('local_vmoodle', array('id' => $id));
if ($vmoodle) {
/// drop record in vmoodle table
$DB->delete_records('local_vmoodle', array('id' => $id));
/// destroy database. work silently
@vmoodle_drop_database($vmoodle);
/// unlink datapath
filesystem_clear_dir($vmoodle->vdatapath, FS_FULL_DELETE, '');
/// unbind mnet hosts
if ($vmoodle->mnet) {
// unregister from me (this)
$thismoodle = vmoodle_make_this();
vmoodle_unregister_mnet($vmoodle, $thismoodle);
// unregister from all remaining peers (this)
$mnetpeers = $DB->get_records('local_vmoodle', array('mnet' => 1));
if (!empty($mnetpeers)) {
foreach ($mnetpeers as $peervmoodle) {
vmoodle_unregister_mnet($vmoodle, $peervmoodle);
}
}
}
} else {
error("Bad VMoodle Id");
/**
* clears and removes an entire dir
* @param string $relativepath the path from dataroot
* @param boolean $fulldelete if true, removes the dir root either
* @param string $pathbase the base path
* @return an array of entries wich are local names in path
*/
function filesystem_clear_dir($relativepath, $fullDelete = false, $pathbase = null)
{
global $CFG;
if (is_null($pathbase)) {
$pathbase = $CFG->dataroot . '/';
} elseif ($pathbase === '') {
$pathbase = '';
} else {
$pathbase = $pathbase . '/';
}
if (@$CFG->filedebug) {
mtrace("clearing dir <i>{$pathbase}{$relativepath}</i><br/>");
}
$exists = filesystem_is_dir($relativepath, $pathbase);
if (!$exists && !$fullDelete) {
return filesystem_create_dir($relativepath, $pathbase);
}
if (!$exists && $fullDelete) {
return true;
}
$files = filesystem_scan_dir($relativepath, FS_SHOW_HIDDEN, FS_ALL_ENTRIES, $pathbase);
foreach ($files as $aFile) {
if ($aFile == "." || $aFile == "..") {
continue;
}
if (filesystem_is_dir("{$relativepath}/{$aFile}", $pathbase)) {
filesystem_clear_dir("{$relativepath}/{$aFile}", FS_FULL_DELETE, $pathbase);
// fs_removeDir("{$relativepath}/{$aFile}");
} else {
filesystem_delete_file("{$relativepath}/{$aFile}", $pathbase);
}
}
if (file_exists($pathbase . $relativepath) && $fullDelete) {
return filesystem_remove_dir($relativepath, $pathbase);
}
return false;
}
/**
* Given an ID of an instance of this module,
* this function will permanently delete the instance
* and any data that depends on it.
* @uses $COURSE
*/
function poodllflashcard_delete_instance($id)
{
global $COURSE;
// clear anyway what remains here
filesystem_clear_dir($COURSE->id . '/moddata/poodllflashcard/' . $id, FS_FULL_DELETE);
if (!($flashcard = get_record('poodllflashcard', 'id', $id))) {
return false;
}
$result = true;
// Delete any dependent records here
delete_records('poodllflashcard_card', 'flashcardid', $flashcard->id);
if (!delete_records('poodllflashcard', 'id', $flashcard->id)) {
$result = false;
}
return $result;
}
