public function actionView()
{
$this->layout = 'hopam_detail';
$hopam = Song::model()->findByPk($_GET['id']);
$hopam->view += 1;
$hopam->update(array('view'));
//$comment = $this->newComment($hopam);
$cs = Yii::app()->getClientScript();
$js = $this->generateJs();
$cs->registerScript('sharebox', $js, CClientScript::POS_READY);
$this->render('view', array('hopam' => $hopam));
//,'comment'=>$comment
}
/**
* Returns the data model based on the primary key given in the GET variable.
* If the data model is not found, an HTTP exception will be raised.
* @param integer the ID of the model to be loaded
*/
public function loadModel($id)
{
$model = Song::model()->findByPk($id);
if ($model === null) {
throw new CHttpException(404, 'The requested page does not exist.');
}
return $model;
}
public function actionEditmusic($id)
{
$songModel = Song::model();
$songModel = $songModel->findByPk($id);
if (isset($_POST['Song'])) {
$songModel->attributes = $_POST['Song'];
if ($songModel->save()) {
Yii::app()->user->setFlash('editmusicstatus', '修改音乐成功 :)');
} else {
Yii::app()->user->setFlash('editmusicstatus', '系统错误，修改失败 :(');
}
}
$data = array('songModel' => $songModel);
$this->render('editmusic', $data);
}
public function actionUpdate($id)
{
/* @var Artist $model */
$model = $this->loadModel($id);
// check access
if (!Yii::app()->user->checkAccess('edit artist')) {
throw new CHttpException(401);
}
// does this artists exists in our DB?
if ($model === null) {
Yii::log("Artist update requested with id {$id} but no such artist found!", CLogger::LEVEL_INFO, __METHOD__);
throw new CHttpException(404, Yii::t("MusicModule.general", 'The requested page does not exist.'));
}
// enable adding songs by default (will be changed below if needed to)
$enable_add_more_songs = true;
if (isset($_POST['Artist'])) {
// start optimistically
$all_songs_valid = true;
$songs_to_save = array();
$success_saving_all = true;
$model->attributes = $_POST['Artist'];
if (isset($_POST['Song'])) {
if (count($_POST['Song']) > Song::MAX_SONGS_PER_ARTIST) {
/*
* server side protection against attempt to submit more than MAX_SONGS_PER_ARTIST
* this should be accompanied with a client side (JS) protection.
* If its accompanied with client side protection then going into this code block means our system
* is being abused/"tested". No need to give a polite error message.
*/
throw new CHttpException(500, Yii::t("MusicModule.forms", "The max amount of allowed songs is {max_songs_num}", array('{max_songs_num}' => Song::MAX_SONGS_PER_ARTIST)));
}
foreach ($_POST['Song'] as $index => $submitted_song) {
// We could have empty songs which means empty submitted forms in POST. Ignore those:
if ($submitted_song['title'] == '') {
// empty one - skip it, if you please.
continue;
}
// next, validate each submitted song instance
if ((int) $submitted_song['id'] > 0) {
/* Validate that the submitted song belong to this artist */
$song = Song::model()->findByPk($submitted_song['id']);
if ($song->artist->id != $model->id) {
Yii::log("Attempts to update Song with an id of {$song->id} but it belongs to an Artist with an id of {$song->model->id}" . " and not 'this' artist with id = {$model->id}", CLogger::LEVEL_ERROR, __METHOD__);
throw new CHttpException(500, "Error occurred");
}
} else {
// this submitted song object is a new model. instantiate one:
$song = new Song();
}
$song->attributes = $submitted_song;
if (!$song->validate()) {
// at least one invalid song:
$all_songs_valid = false;
// we do not 'break' here since we want validation on all song at the same shot
} else {
// put aside the valid song to be saved
$songs_to_save[] = $song;
}
}
// while we know that songs were submitted, determine if to show 'adding songs' or no.
// a check whether the max songs per artist was exceeded was performed already above.
if (count($_POST['Song']) == Song::MAX_SONGS_PER_ARTIST) {
$enable_add_more_songs = false;
}
}
if ($all_songs_valid && $model->validate()) {
/* all songs (if any) were valid and artist object is valid too. Save it all in one transaction. Save first the
* artist as we need its id for its songs records
*/
$trans = Yii::app()->db->beginTransaction();
try {
// use aux variable for manipulating the image file.
$image = CUploadedFile::getInstance($model, 'icon_filename');
// check if a new image was submitted or not:
if ($image) {
/* the only thing that might have changed in the update is the extension name of the image (if you support more than 'only jpeg').
* therefore, if something was submitted, and since we already know the ID of the artist (this is an update scenario), we can
* determine the full updated icon_filename attribute of the model prior to its save() (unlike in create action - see there...).
*/
$model->icon_filename = $model->getImageFsFilename($image);
}
$model->save(false);
// save the updated image, if any
if ($image) {
$image->saveAs($model->getImageFsFilename($image));
}
// save songs
foreach ($songs_to_save as $song) {
$song->save(false);
}
$trans->commit();
} catch (Exception $e) {
// oops, saving artist or its songs failed. rollback, report us, and show the user an error.
$trans->rollback();
Yii::log("Error occurred while saving (update scenario) artist or its 'songs'. Rolling back... . Failure reason as reported in exception: " . $e->getMessage(), CLogger::LEVEL_ERROR, __METHOD__);
Yii::app()->user->setFlash('error', Yii::t("MusicModule.forms", "Error occurred"));
$success_saving_all = false;
}
if ($success_saving_all) {
$success_msg = count($songs_to_save) > 0 ? "Artist and song records have been updated" : "Artist record have been updated";
Yii::app()->user->setFlash('success', Yii::t("MusicModule.forms", $success_msg));
$this->redirect(array("view", "id" => $model->id));
}
}
} else {
// initial rendering of update form. prepare songs for printing.
// we put it in the same variable as used for saving (that's the reason for the awkward variable naming).
$songs_to_save = $model->songs;
}
$this->render('update', array('artist' => $model, 'songs' => isset($songs_to_save) ? $songs_to_save : array(new Song('insert')), 'enable_add_more_songs' => $enable_add_more_songs));
}
