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<?php
namespace Lightscale\LaralightSvg;
use Illuminate\Support\Facades\Cache;
use Illuminate\Cache\Repository;
class SvgCollectionState
{
protected int $createdAt;
protected ?string $hash;
protected array $existing;
protected array $pending;
protected string $svg;
public function __construct(
protected readonly string $name,
) {}
protected function arrayToMap(array $arr): array
{
$result = [];
foreach($arr as $val) {
$result[$val] = $val;
}
return $result;
}
public function pull(): void
{
$data = $this->cache()->get($this->cacheKey());
$this->svg = $data['svg'] ?? '';
$this->createdAt = $data['createdAt'] ?? time();
$this->existing = static::arrayToMap($data['existing'] ?? []);
$this->pending = static::arrayToMap($data['pending'] ?? []);
$this->hash = $data['hash'] ?? null;
}
public function push(): void
{
$data = [
'createdAt' => $this->createdAt,
'hash' => $this->hash,
'existing' => array_values($this->existing),
'pending' => array_values($this->pending),
'svg' => $this->svg,
];
$this->cache()->put($this->cacheKey(), $data);
}
public function getPending(): array
{
if (!isset($this->pending)) $this->pull();
return $this->pending;
}
public function getExisting(): array
{
if (!isset($this->existing)) $this->pull();
return $this->existing;
}
public function getFullSvg(): string
{
if (!isset($this->svg)) $this->pull();
return $this->svg;
}
public function setFullSvg(string $svg, bool $push = true): void
{
$this->svg = $svg;
if ($push) $this->push();
}
public function isExisting(string $svg): bool
{
return !empty($this->getExisting()[$svg] ?? null);
}
public function concatExisting(array $svgs, bool $push = true): void
{
$this->existing = [
...$this->existing,
...static::arrayToMap($svgs),
];
if ($push) $this->push();
}
public function clearExisting(bool $push = true): void
{
$this->existing = [];
if($push) $this->push();
}
public function isPending(string $svg): bool
{
return !empty($this->getPending()[$svg] ?? null);
}
public function hasPending(): bool
{
return !empty($this->getPending());
}
public function addPending(string $svg): void
{
$this->pending[$svg] = $svg;
$this->push();
}
public function clearPending(bool $push = true): void
{
$this->pending = [];
if($push) $this->push();
}
public function addSvg(string $svg): void
{
if (!$this->isExisting($svg) && !$this->isPending($svg)) {
$this->addPending($svg);
}
}
public function clear(): void
{
$this->cache()->forget($this->cacheKey());
}
protected function cache(): Repository
{
return Cache::store(config('svg.cache_store'));
}
protected function cacheKey(): string
{
return SvgServiceProvider::NAMESPACE . '::' . $this->name;
}
public function getHash(): ?string
{
return $this->hasPending() ? null : $this->hash;
}
public function updateHash(): void
{
$data = $this->existing;
sort($data);
$data[] = $this->createdAt;
$this->hash = substr(md5(json_encode($data)), 0, 10);
}
}
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