protected static function boot()
{
parent::boot();
self::saving(function ($model) {
$sourceFileForeignKey = $model->sourceFile()->getForeignKey();
$uploadPointForeignKey = $model->uploadPoint()->getForeignKey();
if ($model->exists && $model->original["in_use"] && !$model->in_use && !$model->ready_for_delete) {
throw new Exception("The file can only be marked in_use once.");
} else {
if ($model->exists && $model->original["ready_for_delete"]) {
throw new Exception("This file is pending deletion and can no longer be modified.");
} else {
if (!$model->in_use && (!EloquentHelpers::getIsForeignNull($model->mediaItemVideoWithFile()) || !EloquentHelpers::getIsForeignNull($model->mediaItemWithCover()) || !EloquentHelpers::getIsForeignNull($model->mediaItemWithBanner()) || !EloquentHelpers::getIsForeignNull($model->mediaItemWithCoverArt()) || !EloquentHelpers::getIsForeignNull($model->playlistWithCover()) || !EloquentHelpers::getIsForeignNull($model->playlistWithBanner()) || !EloquentHelpers::getIsForeignNull($model->playlistWithCoverArt()))) {
throw new Exception("File must be marked as in use before it can belong to anything.");
} else {
if ($model->exists && $model->original[$sourceFileForeignKey] !== $model->{$sourceFileForeignKey} || !$model->exists && !is_null($model->{$sourceFileForeignKey})) {
throw new Exception("The source file should only be set externally.");
} else {
if ($model->exists && $model->original[$uploadPointForeignKey] !== $model->{$uploadPointForeignKey}) {
throw new Exception("The upload point can only be set on creation.");
}
}
}
}
}
return true;
});
}
protected static function boot()
{
parent::boot();
self::saving(function ($model) {
if ($model->enabled && is_null($model->scheduled_publish_time)) {
throw new Exception("A MediaItem which is enabled must have a scheduled publish time.");
}
// transaction ended in "saved" event
// needed to make sure if search index version number is incremented it
// takes effect at the same time that the rest of the media item is updated
DB::beginTransaction();
// assume that something has changed and force ths item to be reindexed
$a = MediaItem::find(intval($model->id));
// $a may be null if this item is currently being created
// when the item is being created pending_search_index_version defaults to 1
// meaning the item will be indexed
if (!is_null($a)) {
// make sure get latest version number. The version in $model might have changed before the transaction started
$currentPendingIndexVersion = intval($a->pending_search_index_version);
$model->pending_search_index_version = $currentPendingIndexVersion + 1;
}
return true;
});
self::saved(function ($model) {
DB::commit();
});
}
protected static function boot()
{
parent::boot();
self::saving(function ($model) {
// transaction ended in "saved" event
// needed to make sure if search index version number is incremented it
// takes effect at the same time that the rest of the media item is updated
DB::beginTransaction();
// assume that something has changed and force ths item to be reindexed
$a = Show::with("playlists", "playlists.mediaItems")->find(intval($model->id));
// $a may be null if this item is currently being created
// when the item is being created pending_search_index_version defaults to 1
// meaning the item will be indexed
if (!is_null($a)) {
// make sure get latest version number. The version in $model might have changed before the transaction started
$currentPendingIndexVersion = intval($a->pending_search_index_version);
$model->pending_search_index_version = $currentPendingIndexVersion + 1;
// also force all playlists liked to this and media items in them to be reindexed
// because media items and playlists contain show information in their indexes
foreach ($a->playlists as $playlist) {
$playlist->pending_search_index_version += 1;
$playlist->save();
foreach ($playlist->mediaItems as $mediaItem) {
$mediaItem->pending_search_index_version += 1;
$mediaItem->save();
}
}
}
return true;
});
self::saved(function ($model) {
DB::commit();
});
}
protected static function boot()
{
parent::boot();
self::saving(function ($model) {
// transaction committed in saved event
// transaction important because entries created/removed in dvr_live_stream_uris
// depending on stream state so must always change in sync with stream state.
DB::beginTransaction();
if ($model->hasJustLeftLive() && $model->hasJustBecomeStreamOver()) {
// send command to DVR Bridge Service servers to stop recording stream
// if this fails the dvr link will be removed
$model->stopDvrs();
// record the time that the stream is being marked as over
$model->end_time = Carbon::now();
}
if ($model->hasJustBecomeStreamOver() && ($model->hasJustLeftLive() || $model->hasJustLeftNotLive())) {
// run these once the response has been sent to the user just before the script ends
// this makes sure if this is currently in a transaction the transaction will have ended
Event::listen('app.finish', function () use(&$model) {
Event::fire('mediaItemLiveStream.showOver', array($model));
});
}
if ($model->hasJustBecomeNotLive() && ($model->hasJustLeftLive() || $model->hasJustLeftStreamOver())) {
// send command to DVR Bridge Service servers to stop recording stream
// and inform it that the recording can be deleted.
// entry will be removed from dvr_stream_uris table
$model->removeDvrs();
// run these once the response has been sent to the user just before the script ends
// this makes sure if this is currently in a transaction the transaction will have ended
Event::listen('app.finish', function () use(&$model) {
Event::fire('mediaItemLiveStream.notLive', array($model));
});
}
if ($model->liveStreamHasChanged()) {
// if the live stream attached to this media item live stream has just been changed
// then remove any dvr links as they will be to the previous live stream
$model->removeDvrs();
}
return true;
});
self::saved(function ($model) {
// this can't be in the saving callback because this needs to have an id so it can be associated with a MediaItemLiveStream,
// and if this is the first ever save because the model is being created it won't have an id yet.
if ($model->hasJustBecomeLive()) {
// send command to DVR Bridge Service servers to start recording stream
// and create entry in dvr_stream_uris table
$model->startDvrs();
}
// transaction starts in save event
DB::commit();
if ($model->hasJustBecomeLive()) {
// run these once the response has been sent to the user just before the script ends
// this makes sure if this is currently in a transaction the transaction will have ended
Event::listen('app.finish', function () use(&$model) {
Event::fire('mediaItemLiveStream.live', array($model));
Queue::push("uk\\co\\la1tv\\website\\jobs\\MediaItemLiveEmailsJob", array("mediaItemId" => intval($model->mediaItem->id)));
});
}
});
}
protected static function boot()
{
parent::boot();
self::saving(function ($model) {
if ($model->dvr_bridge_service_uri && !is_null($model->has_dvr)) {
throw new Exception("has_dvr must be null if it's a dvr bridge service uri.");
} else {
if (!$model->dvr_bridge_service_uri && is_null($model->has_dvr)) {
throw new Exception("has_dvr must not be null if it's not a dvr bridge service uri.");
}
}
return true;
});
}
protected static function boot()
{
parent::boot();
self::creating(function ($model) {
$model->original_session_id = $model->session_id;
return true;
});
self::saving(function ($model) {
if ($model->type !== "vod" && $model->type !== "live") {
throw new Exception("Invalid type.");
}
return true;
});
}
protected static function boot()
{
parent::boot();
self::saving(function ($model) {
if ($model->resultsInNoAccessibleAdminLogin()) {
throw new Exception("Cannot save this user as it would result in there being no admin with access to the system.");
}
return true;
});
self::deleting(function ($model) {
if ($model->resultsInNoAccessibleAdminLogin(true)) {
throw new Exception("Cannot delete this user as it would result in there being no admin with access to the system.");
}
return true;
});
}
protected static function boot()
{
parent::boot();
self::saving(function ($model) {
if ($model->enabled && is_null($model->scheduled_publish_time)) {
throw new Exception("A Playlist which is enabled must have a scheduled publish time.");
} else {
if ($model->show_id === NULL) {
if ($model->name === NULL) {
throw new Exception("A name must be specified.");
} else {
if ($model->series_no !== NULL) {
throw new Exception("A standard playlist cannot have a series number.");
}
}
} else {
if ($model->series_no === NULL) {
throw new Exception("Series number required.");
}
}
}
// transaction ended in "saved" event
// needed to make sure if search index version number is incremented it
// takes effect at the same time that the rest of the media item is updated
DB::beginTransaction();
// assume that something has changed and force ths item to be reindexed
$a = Playlist::with("mediaItems")->find(intval($model->id));
// $a may be null if this item is currently being created
// when the item is being created pending_search_index_version defaults to 1
// meaning the item will be indexed
if (!is_null($a)) {
// make sure get latest version number. The version in $model might have changed before the transaction started
$currentPendingIndexVersion = intval($a->pending_search_index_version);
$model->pending_search_index_version = $currentPendingIndexVersion + 1;
// also force reindex of all items that are currently in the playlist
foreach ($a->mediaItems as $mediaItem) {
$mediaItem->touch();
}
}
return true;
});
self::saved(function ($model) {
DB::commit();
});
}
protected static function boot()
{
parent::boot();
self::saving(function ($model) {
// transaction committed in saved event
// transaction important because entries removed in dvr_live_stream_uris
// depending if vod is available. both the vod going live and dvr entries
// being removed must succeed
DB::beginTransaction();
});
self::saved(function ($model) {
if ($model->getIsLive()) {
// remove any dvr recordings from the stream belonging to this media item
// if there are any
$liveStreamItem = $model->mediaItem->liveStreamItem;
if (!is_null($liveStreamItem)) {
$liveStreamItem->removeDvrs();
}
}
// transaction starts in save event
DB::commit();
});
}
