Subversion Repositories cheapmusic

<?php

require_once('php/XmlStreamer.php');

require_once('php/tools.php');

require_once('php/clsLibGTIN.php');

ini_set("memory_limit", "256M");

$cnt = 0;

class ReleasesXmlStreamer extends XmlStreamer

{

	public function processNode($xmlString, $elementName, $nodeIndex)

	{

		global $cnt;

		global $fh;

		global $fhTracks;

		global $fhArtists;

		global $fhLabels;

		$xml = simplexml_load_string($xmlString, 'simple_xml_extended');

		if ($elementName == 'release') {

			++$cnt;

			$id = $xml->Attribute('id');

			$master_id = !empty($xml->master_id) ? $xml->master_id : 0;

			$title = $xml->title;

			$country = $xml->country;

// bugbug		$notes = $xml->notes;

			$released = substr($xml->released, 0, 4);

			if (empty($released)) {

				$released = 0;

			}

			$identifiers = [];

			$barcode = "";

			if (isset($xml->identifiers)) {

				foreach ($xml->identifiers->identifier as $n) {

					if ($n->Attribute('type') == 'Barcode') {

						$barcodeNumbers = preg_replace('/[^0-9]/', '', $n->Attribute('value'));

						if (clsLibGTIN::GTINCheck($barcodeNumbers, false, 1) !== false) {

							$barcode = $barcodeNumbers;

						}

					}

				}

			}

			$trackStr = "";

			if (isset($xml->tracklist)) {

				$trackStr .= '<ul class="small list-unstyled">';

				foreach ($xml->tracklist->track as $track) {

					if (isset($track->sub_tracks)) {

						if ((isset($track->position) && !empty($track->position)) || (isset($track->duration) && !empty($track->duration))) {

							$trackStr .= '<span class="font-italic">';

							$trackStr .= processTrack($track, true);

							$trackStr .= '</span>';

						}

						foreach ($track->sub_tracks->track as $subtrack) {

							$trackStr .= '<ul class="list-unstyled">';

							$trackStr .= processTrack($subtrack, true);

							$trackStr .= "</ul>";

						}

					} else {

						if (isset($track->position) && empty($track->position) && isset($track->duration) && empty($track->duration)) {

							$trackStr .= "<li class=\"font-weight-bold\">" . $track->title . "</li>";

						} else {

							$trackStr .= processTrack($track, true);

						}

					}

				}

				$trackStr .= "</ul>";

			}

			$trackStr = rtrim($trackStr);

			if (!empty($trackStr)) {

				fputcsv2($fhTracks, array($id, $trackStr), ',', '"', true);

			}

			$formats = [];

			$quantity = 1;

			$formatName = "";

			$formatText = "";

			if (isset($xml->formats)) {

				if ($xml->formats->format->count() == 1) {

					$quantity = $xml->formats->format->Attribute('qty');

					$formatName = $xml->formats->format->Attribute('name');

					$formatText = $xml->formats->format->Attribute('text');

					if (isset($xml->formats->format->descriptions)) {

						foreach ($xml->formats->format->descriptions->description as $description) {

							$formats[] = $description;

						}

					}

				} else {

					$quantity = 0;

					$formatName = "Various";

					$formatText = "";

					foreach ($xml->formats->format as $format) {

						$tempQuantity = $format->Attribute('qty');

						$quantity += $tempQuantity;

						$tempName = $format->Attribute('name');

						$tempText = $format->Attribute('text');

						$str = "";

						if (!empty($tempQuantity)) {

							$str .= $tempQuantity . " x ";

						}

						if (!empty($tempName)) {

							$str .= $tempName;

						}

						if (!empty($tempText)) {

							$str .= " " . $tempText;

						}

						if (!empty($str)) {

							$formats[] = $str;

						}

						if (isset($format->descriptions)) {

							foreach ($format->descriptions->description as $description) {

								$formats[] = $description;

							}

						}

					}

				}

			}

			if (isset($xml->labels)) {

				foreach ($xml->labels->label as $label) {

					fputcsv2($fhLabels, array($id, $label->Attribute('id'), $label->Attribute('catno')), ',', '"', true);

				}

			}

			$genres = [];

			if (isset($xml->genres)) {

				foreach ($xml->genres->genre as $n) {

					$genres[] = $n;

				}

			}

			$styles = [];

			if (isset($xml->styles)) {

				foreach ($xml->styles->style as $n) {

					$styles[] = $n;

				}

			}

			if (isset($xml->artists)) {

				foreach ($xml->artists->artist as $n) {

					fputcsv2($fhArtists, array($id, $n->id), ',', '"', true);

				}

			}

			$arr = array(

				$id,

				$master_id,

				$title,

				$country,

				$released,

				$barcode,

				$quantity,

				$formatName,

				$formatText,

				join(", ", $formats),

				join(", ", $genres),

				join(", ", $styles)

			);

			fputcsv2($fh, $arr, ',', '"', true);

		}

		return true;

	}

}

$xmlfile = "./in/discogs_20190601_releases.xml.gz";

//$xmlfile = "./in/releases.xml.gz";

$fh = fopen("out/releases.load", "w+");

$fhTracks = fopen("out/releaseTracks.load", "w+");

$fhArtists = fopen("out/releaseArtists.load", "w+");

$fhLabels = fopen("out/releaseLabels.load", "w+");

$xmlstream = "compress.zlib://$xmlfile";

// zcat in/discogs_CCYYMMDD_releases.xml.gz | wc -c

$xmlfileSize = 45092265603;

//$xmlfileSize = 9524162;

$streamer = new ReleasesXmlStreamer($xmlstream, $xmlfileSize);

if ($streamer->parse()) {

	echo "Finished $cnt releases." . PHP_EOL;

} else {

	echo "Couldn't find root node" . PHP_EOL;

}

fclose($fh);

fclose($fhTracks);

fclose($fhArtists);

fclose($fhLabels);

function processTrack($track, $posFlag)

{

	$str = "<li>";

	if ($posFlag && !empty($track->position)) {

		if (!preg_match("/^[a-zA-Z][0-9]/", $track->position) && !preg_match("/^[a-zA-Z]$/", $track->position)) {

			$str .= $track->{'position'} . '. ';

		}

	}

	$str .= $track->title;

	$trackArtists = [];

	if (isset($track->artists)) {

		foreach ($track->artists->artist as $artist) {

			$trackArtists[] = trim(preg_replace('/\([0-9]+\)$/', "", $artist->name));

		}

		if (count($trackArtists)) {

			$str .= " - " . join(", ", $trackArtists);

		}

	}

	if (!empty($track->duration)) {

		$str .= " [" . $track->duration . "]";

	}

	$str .= "</li>";

	return $str;

}