88 lines
3.1 KiB
PHP
88 lines
3.1 KiB
PHP
<?php
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namespace App\Services;
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use Illuminate\Support\Facades\Storage;
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class ThumbnailService
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{
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protected const CDN_HOST = 'http://files.skinbase.org';
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protected const VALID_SIZES = ['sm','md','lg','xl'];
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protected const THUMB_SIZES = [
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'sm' => ['height' => 240, 'quality' => 78, 'dir' => 'sm'],
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'md' => ['height' => 360, 'quality' => 82, 'dir' => 'md'],
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'lg' => ['height' => 1200, 'quality' => 85, 'dir' => 'lg'],
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'xl' => ['height' => 2400, 'quality' => 90, 'dir' => 'xl'],
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];
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/**
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* Build a thumbnail URL from a filePath/hash/id and ext.
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* Accepts either a direct hash string in $filePath, or an $id + $ext pair.
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* Legacy size codes (4 -> sm, others -> md) are supported.
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*/
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public static function url(?string $filePath, ?int $id = null, ?string $ext = null, $size = 6): string
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{
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// If $filePath seems to be a content hash and $ext is provided, build directly
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if (!empty($filePath) && !empty($ext) && preg_match('/^[0-9a-f]{16,128}$/i', $filePath)) {
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$sizeKey = is_string($size) ? $size : (($size === 4) ? 'sm' : 'md');
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return self::fromHash($filePath, $ext, $sizeKey) ?: '';
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}
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// Resolve by id when provided
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if ($id !== null) {
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try {
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$artClass = '\\App\\Models\\Artwork';
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if (class_exists($artClass)) {
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$art = $artClass::where('id', $id)->orWhere('legacy_id', $id)->first();
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if ($art) {
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$hash = $art->hash ?? null;
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$extToUse = $ext ?? ($art->thumb_ext ?? null);
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$sizeKey = is_string($size) ? $size : (($size === 4) ? 'sm' : 'md');
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if (!empty($hash) && !empty($extToUse)) {
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return self::fromHash($hash, $extToUse, $sizeKey) ?: '';
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}
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}
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}
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} catch (\Throwable $e) {
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// fallthrough to storage/filePath fallback
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}
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}
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// Fallback to Storage::url or return provided path
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if (!empty($filePath)) {
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try {
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return Storage::url($filePath);
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} catch (\Throwable $e) {
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return $filePath;
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}
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}
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return '';
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}
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/**
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* Build CDN URL from hash and extension.
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*/
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public static function fromHash(?string $hash, ?string $ext, string $sizeKey = 'md'): ?string
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{
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if (empty($hash) || empty($ext)) return null;
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$sizeKey = in_array($sizeKey, self::VALID_SIZES) ? $sizeKey : 'md';
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$h = $hash;
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$h1 = substr($h, 0, 2);
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$h2 = substr($h, 2, 2);
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return sprintf('%s/%s/%s/%s/%s.%s', rtrim(self::CDN_HOST, '/'), $sizeKey, $h1, $h2, $h, $ext);
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}
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/**
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* Build srcset using sm and md sizes for legacy layouts.
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*/
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public static function srcsetFromHash(?string $hash, ?string $ext): ?string
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{
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$a = self::fromHash($hash, $ext, 'sm');
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$b = self::fromHash($hash, $ext, 'md');
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if (!$a || !$b) return null;
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return $a . ' 320w, ' . $b . ' 600w';
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}
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}
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