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<?php
namespace Lightscale\LaralightSvg;
use Illuminate\Support\Facades\Storage;
class SvgCollection
{
protected array $paths;
protected int $maxAge;
private ?SvgCollectionState $state = null;
public function __construct(
private readonly string $name,
array $config = [],
)
{
$this->paths = $config['paths'] ?? [];
$this->maxAge = $config['max_age'] ?? config('svg.default_max_age', 0);
}
public function addPath(string $path)
{
$this->paths[] = $path;
}
public function getName(): string
{
return $this->name;
}
public function getSvgUrl(string $svg): string
{
$state = $this->getState();
$state->addSvg($svg);
$hash = $state->getHash();
return route(
'laralight-svg.serve-svg',
['collection' => $this->getName(), 'v' => $hash]
) . "#{$svg}";
}
protected function getState(): SvgCollectionState
{
if ($this->state === null) {
$this->state = new SvgCollectionState($this->getName());
}
return $this->state;
}
public function getSvg(): ?string
{
$state = $this->getState();
if ($state->hasPending()) {
$this->compileSvg();
}
return $state->getFullSvg();
}
protected function compileSvg(): void
{
$state = $this->getState();
$svg = $state->getFullSvg();
$compiler = new SvgSpriteCompiler($svg);
if ($compiler->isNew()) {
$state->clearExisting(false);
}
$pending = $state->getPending();
$added = [];
$disks = array_map(
fn($p) => Storage::build(['driver' => 'local', 'root' => $p]),
array_reverse($this->paths)
);
foreach ($pending as $pendingSvg) {
$file = $this->getFile($disks, $pendingSvg);
if ($file !== null && $compiler->addSvg($pendingSvg, $file)) {
$added[] = $pendingSvg;
}
else {
\Log::error("Failed to add {$pendingSvg} to svg sprite");
}
}
$state->clearPending(false);
$state->concatExisting($added, false);
$state->setFullSvg($compiler->getSvg(), false);
$state->updateHash();
$state->push();
}
protected function getFile(array $disks, string $svg): ?string
{
foreach ($disks as $disk) {
$file = $disk->get("{$svg}.svg");
if ($file !== null) return $file;
}
return null;
}
public function clearState(): void
{
$this->getState()->clear();
}
public function getMaxAge(): int
{
return $this->maxAge;
}
}
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