From b85ca64f6b941be457b815b45f14c61da9e97803 Mon Sep 17 00:00:00 2001
From: Sam Light <samlight1994@gmail.com>
Date: Sat, 15 Jun 2024 23:02:07 +0100
Subject: Created SvgCollectionState

---
 src/SvgCollectionState.php | 132 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 src/SvgCollectionState.php

diff --git a/src/SvgCollectionState.php b/src/SvgCollectionState.php
new file mode 100644
index 0000000..1bf8013
--- /dev/null
+++ b/src/SvgCollectionState.php
@@ -0,0 +1,132 @@
+<?php
+
+namespace Lightscale\LaralightSvg;
+
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Cache\Repository;
+
+class SvgCollectionState
+{
+    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'] ?? '';
+
+        $existing = $data['existing'] ?? [];
+        $pending = $data['pending'] ?? [];
+
+        $this->existing = static::arrayToMap($existing);
+        $this->pending = static::arrayToMap($pending);
+    }
+
+    public function push(): void
+    {
+        $data = [
+            'existing' => array_values($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,
+           ...$svgs,
+        ];
+        if ($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);
+        }
+    }
+
+    protected function cache(): Repository
+    {
+        return Cache::store(config('svg.cache_store'));
+    }
+
+    protected function cacheKey(): string
+    {
+        return SvgServiceProvider::NAMESPACE . '::' . $this->name;
+    }
+
+}
-- 
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