/**
* Commit the new TAO resource to the database
*
* @return bool, true = success
*/
function add_instance()
{
// Given an object containing all the necessary data,
// (defined by the form in mod.html) this function
// will create a new instance and return the id number
// of the new instance.
global $CFG;
// is this a local resource or a remote one?
if (!empty($this->url) && empty($this->file)) {
$this->identifier = sha1($this->url);
$this->mimetype = mimeinfo("type", $this->url);
}
if (isset($this->url) && $this->url && !$this->is_local_resource()) {
$this->file = '';
} else {
if (empty($this->url) && isset($this->file) && $this->file) {
if (!taoresource_check_and_create_moddata_taoresource_dir()) {
// error - can't create resources temp dir
error("Error - can't create TAO resources dir");
}
$filename = $CFG->dataroot . TAORESOURCE_RESOURCEPATH . $this->file;
if (!taoresource_copy_file($this->tempfilename, $filename, true)) {
error("Error - can't copy temporary resource file ({$this->tempfilename}) to resource path ({$filename})");
}
$this->url = $CFG->wwwroot . '/mod/taoresource/view.php?identifier=' . $this->identifier;
// tidy up temp file
if (!taoresource_delete_file($this->tempfilename)) {
error("Error - can't delete temporary resource file ({$this->tempfilename})");
}
}
}
// one way or another we must have a URL by now
if (!$this->url) {
error("Tried to create a TAO Resource without a URL");
}
// trigger the before save plugins
$this->before_save();
$this->timemodified = time();
if (!($id = insert_record('taoresource_entry', $this))) {
return false;
}
$this->id = $id;
// now do the LOM metadata elements
foreach ($this->metadata_elements as $element) {
$element->entry_id = $id;
if (!$element->add_instance()) {
return false;
}
}
// trigger the after save plugins
$this->after_save();
return true;
}
error("Error - can't create resources temp dir");
}
$tempfile = $_FILES['taoresourcefile']['tmp_name'];
$taoresource_entry->uploadname = clean_param($_FILES['taoresourcefile']['name'], PARAM_PATH);
$taoresource_entry->mimetype = clean_param($_FILES['taoresourcefile']['type'], PARAM_URL);
if (empty($tempfile) || !($hash = taoresource_sha1file($tempfile))) {
error("Error - can't create hash of incoming resource file");
}
$taoresource_entry->identifier = $hash;
$taoresource_entry->file = $hash . '-' . $taoresource_entry->uploadname;
$taoresource_entry->tempfilename = $CFG->dataroot . TAORESOURCE_TEMPPATH . $taoresource_entry->file;
$formdata->identifier = $taoresource_entry->identifier;
$formdata->file = $taoresource_entry->file;
$formdata->uploadname = $taoresource_entry->uploadname;
$formdata->mimetype = $taoresource_entry->mimetype;
if (!taoresource_copy_file($tempfile, $taoresource_entry->tempfilename, true)) {
error("Error - can't copy upload file to temp");
}
}
} else {
// is this a local resource or a remote one?
if (!empty($formdata->url)) {
$taoresource_entry->url = $formdata->url;
$taoresource_entry->identifier = sha1($taoresource_entry->url);
$taoresource_entry->mimetype = mimeinfo("type", $taoresource_entry->url);
} else {
// if these values are missing then we have a big problem - blowup appropriately
if (empty($formdata->uploadname) || empty($formdata->mimetype) || empty($formdata->identifier) || empty($formdata->file)) {
// die a horrible death
error("Error - transition hiddne fields from step 1 missing in step 2");
}
