Pony.fm/app/Console/Commands/RebuildTrackCache.php
2015-12-31 16:24:33 -08:00

260 lines
11 KiB
PHP

<?php
/**
* Pony.fm - A community for pony fan music.
* Copyright (C) 2015 Kelvin Zhang
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Poniverse\Ponyfm\Console\Commands;
use File;
use Illuminate\Console\Command;
use Illuminate\Foundation\Bus\DispatchesJobs;
use Poniverse\Ponyfm\Jobs\EncodeTrackFile;
use Poniverse\Ponyfm\Models\Track;
use Poniverse\Ponyfm\Models\TrackFile;
class RebuildTrackCache extends Command
{
use DispatchesJobs;
/**
* The name and signature of the console command.
*
* @var string
*/
protected $signature = 'rebuild:track-cache
{--force : Skip all prompts.}';
/**
* The console command description.
*
* @var string
*/
protected $description = 'Rebuilds the track cache for when $CacheableFormats is changed. Deletes cacheable files and encodes missing files which are not cacheable.';
/**
* Create a new command instance.
*
*/
public function __construct()
{
parent::__construct();
}
/**
* Execute the console command.
*
* @return mixed
*/
public function handle()
{
$this->info('***');
$this->info('If this is your first time running this command, it is *highly* recommended that you ensure the file sizes for all track files have been populated.');
$this->info('***');
if ($this->option('force') || $this->confirm('Are you sure you want to delete all to-be-cached track files and encode missing non-cached track files?',
false)
) {
//==========================================================================================================
// Delete previously cached track files
//==========================================================================================================
$this->output->newLine(1);
$this->info('========== Step 1/4 - Deleting previously cached track files. ==========');
$count = 0;
// Chunk track files which are cacheable and NOT master
TrackFile::where('is_cacheable', true)
->where('is_master', false)
->chunk(200, function ($trackFiles) use (&$count) {
// Delete chunked track files
foreach ($trackFiles as $trackFile) {
// Clear expiration so will be re-cached on next request
$trackFile->expires_at = null;
$trackFile->update();
// Delete files
if (File::exists($trackFile->getFile())) {
$count++;
File::delete($trackFile->getFile());
$this->info('Deleted ' . $trackFile->getFile());
}
}
$this->info($count . ' track files deleted. Deletion complete. Continuing.');
});
//==========================================================================================================
// Update the database entries for cacheable track files - non-cacheable to cacheable
//==========================================================================================================
$this->output->newLine(3);
$this->info('========== Step 2/4 - Updating is_cacheable entries in database. ==========');
$trackFileCount = 0;
$formats = [];
// Find track files which are meant to be cacheable and NOT master, but currently not cacheable
TrackFile::where('is_cacheable', false)
->whereIn('format', Track::$CacheableFormats)
->where('is_master', false)
->chunk(200, function ($trackFiles) use (&$trackFileCount, &$formats) {
$this->output->newLine(1);
$this->info('---------- Start Chunk ----------');
// Set above files to cacheable in the database
foreach ($trackFiles as $trackFile) {
$trackFileCount++;
// Let user know which formats, previously not cached, were made cacheable
$formats[] = $trackFile->format;
$trackFile->expires_at = null;
$trackFile->is_cacheable = true;
$trackFile->update();
}
$this->info('----------- End Chunk -----------');
$this->output->newLine(1);
});
$this->info('Format(s) set from non-cacheable to cacheable: ' . implode(' ', array_unique($formats)));
$this->info($trackFileCount . ' non-cacheable track files set to cacheable.');
$this->output->newLine(2);
//==========================================================================================================
// Update the database entries for cacheable track files - cacheable to non-cacheable
//==========================================================================================================
$trackFileCount = 0;
$formats = [];
// Chunk track files which are NOT meant to be cacheable, but currently cacheable
TrackFile::where('is_cacheable', true)
->whereNotIn('format', Track::$CacheableFormats)
->chunk(200, function ($trackFiles) use (&$trackFileCount, &$formats) {
$this->output->newLine(1);
$this->info('---------- Start Chunk ----------');
// Set chunked track files to non-cacheable in the database
foreach ($trackFiles as $trackFile) {
$trackFileCount++;
// Let user know which formats, previously not cached, were made cacheable
$formats[] = $trackFile->format;
$trackFile->expires_at = null;
$trackFile->is_cacheable = false;
$trackFile->update();
}
$this->info('----------- End Chunk -----------');
$this->output->newLine(1);
$this->output->newLine(1);
});
$this->info('Format(s) set from cacheable to non-cacheable: ' . implode(' ', array_unique($formats)));
$this->info($trackFileCount . ' cacheable track files set to non-cacheable.');
//==========================================================================================================
// Delete track files which have now been marked as cacheable
//==========================================================================================================
$this->output->newLine(3);
$this->info('========== Step 3/4 - Deleting now-cacheable track files. ==========');
$count = 0;
$trackFileCount = 0;
// Find track files which are cacheable and NOT master
TrackFile::whereIn('format', Track::$CacheableFormats)
->where('is_master', false)
->chunk(200, function ($trackFiles) use (&$count, &$trackFileCount) {
$this->output->newLine(1);
$this->info('---------- Start Chunk ----------');
foreach ($trackFiles as $trackFile) {
$trackFileCount++;
// Delete track files if track files exist; double-check that they are NOT master files
if (File::exists($trackFile->getFile()) && $trackFile->is_master == false) {
$count++;
File::delete($trackFile->getFile());
$this->info('Deleted ' . $trackFile->getFile());
}
}
$this->info('----------- End Chunk -----------');
$this->output->newLine(1);
});
$this->info(sprintf('%d track files deleted out of %d track files. Continuing.', $count, $trackFileCount));
//==========================================================================================================
// Encode missing (i.e., now non-cacheable) track files
//==========================================================================================================
$this->output->newLine(3);
$this->info('========== Step 4/4 - Encoding missing track files. ==========');
$count = 0;
// Chunk non-cacheable track files
TrackFile::where('is_cacheable', false)
->where('is_master', false)
->chunk(200, function ($trackFiles) use (&$count) {
$this->output->newLine(1);
$this->info('---------- Start Chunk ----------');
// Record the track files which do not exist (i.e., have not been encoded yet)
$emptyTrackFiles = [];
foreach ($trackFiles as $trackFile) {
if (!File::exists($trackFile->getFile())) {
$count++;
$emptyTrackFiles[] = $trackFile;
}
}
// Encode recorded track files
foreach ($emptyTrackFiles as $emptyTrackFile) {
$this->info("Started encoding track file ID {$emptyTrackFile->id}");
$this->dispatch(new EncodeTrackFile($emptyTrackFile, false));
}
$this->info('----------- End Chunk -----------');
$this->output->newLine(1);
});
$this->info($count . ' track files encoded.');
$this->output->newLine(1);
$this->info('Rebuild complete. Exiting.');
} else {
$this->info('Rebuild cancelled. Exiting.');
}
}
}