New Wizard Repository SessionWizardRepository (closes #23)

src/Repository/SessionWizardRepository.php

@@ -0,0 +1,86 @@
+<?php declare(strict_types=1);
+
+namespace Arcanist\Repository;
+
+use Arcanist\TTL;
+use Illuminate\Support\Str;
+use Arcanist\AbstractWizard;
+use Illuminate\Support\Facades\Session;
+use Arcanist\Contracts\WizardRepository;
+use Arcanist\Exception\WizardNotFoundException;
+
+class SessionWizardRepository implements WizardRepository
+{
+    private string $keyPrefix = 'arcanist.';
+
+    public function __construct(private TTL $ttl)
+    {
+    }
+
+    public function saveData(AbstractWizard $wizard, array $data): void
+    {
+        if (!$wizard->exists()) {
+
+            $sessionLen = (is_countable(Session::get($this->getSessionPath($wizard)))) ? count(Session::get($this->getSessionPath($wizard))) : 0;
+            $wizard->setId($sessionLen + 1);
+
+            $this->store($wizard, $data);
+
+            return;
+        }
+
+        $sessionKey = $this->buildSessionKey($wizard);
+
+        if (!Session::has($sessionKey)) {
+            throw new WizardNotFoundException();
+        }
+
+        $this->store($wizard, array_merge(Session::get($sessionKey, []), $data));
+    }
+
+    public function deleteWizard(AbstractWizard $wizard): void
+    {
+        $sessionKey = $this->buildSessionKey($wizard);
+
+        if (!Session::has($sessionKey)) {
+            return;
+        }
+
+        Session::forget($sessionKey);
+        $wizard->setId(null);
+    }
+
+    public function loadData(AbstractWizard $wizard): array
+    {
+        return $this->loadWizard($wizard);
+    }
+
+    private function loadWizard(AbstractWizard $wizard): array
+    {
+        $sessionKey = $this->buildSessionKey($wizard);
+
+        if (!Session::has($sessionKey)) {
+            throw new WizardNotFoundException();
+        }
+
+        return Session::get($sessionKey);
+    }
+
+    private function getSessionPath(AbstractWizard $wizard): string
+    {
+        return $this->keyPrefix . $wizard::class;
+    }
+
+    private function buildSessionKey(AbstractWizard $wizard): string
+    {
+        return $this->getSessionPath($wizard) . '.' . $wizard->getId();
+    }
+
+    private function store(AbstractWizard $wizard, array $data): void
+    {
+        Session::put(
+            $this->buildSessionKey($wizard),
+            $data
+        );
+    }
+}