wip: initial working database support

src/CartSession.php

@@ -0,0 +1,103 @@
+<?php
+
+namespace Joelwmale\Cart;
+
+class CartSession
+{
+    private $customStorage;
+
+    private $session;
+
+    private $sessionId = null;
+    private $itemsKey = null;
+    private $conditionsKey = null;
+
+    public function __construct($session, $sessionKey, $config)
+    {
+        if ($this->isInternalSession($session)) {
+            $this->customStorage = false;
+            $this->session = $session;
+            $this->itemsKey = $sessionKey . '_cart_items';
+            $this->conditionsKey = $sessionKey . '_cart_conditions';
+        } else {
+            $this->customStorage = true;
+
+            // @TODO validate these 3 exist
+            $this->sessionId = $config['storage_id'];
+            $this->itemsKey = $config['storage_items'];
+            $this->conditionsKey = $config['storage_conditions'];
+
+            // get the base class to do findOrCreate
+            $this->session = $config['storage'];
+            $this->session = (new $this->session)->firstOrNew([$this->sessionId => $sessionKey]);
+
+            $this->session[$this->itemsKey] = $this->session[$this->itemsKey] ?? [];
+            $this->session[$this->conditionsKey] = $this->session[$this->conditionsKey] ?? [];
+        }
+    }
+
+    public function isInternalSession($session)
+    {
+        return in_array(is_object($session) ? get_class($session) : $session, [
+            'Illuminate\Session\SessionManager',
+            'Joelwmale\Cart\Tests\Helpers\SessionMock',
+        ]);
+    }
+
+    public function has($key)
+    {
+        return $this->session->has($key) ?? $this->session;
+    }
+
+    public function getItems()
+    {
+        return ! $this->customStorage ? $this->session->get($this->itemsKey) : $this->session[$this->itemsKey];
+    }
+
+    public function getConditions()
+    {
+        return ! $this->customStorage ? $this->session->get($this->conditionsKey) : $this->session[$this->conditionsKey];
+    }
+
+    public function putItems($value)
+    {
+        if (! $this->customStorage) {
+            return $this->session->put($this->itemsKey, $value);
+        }
+
+        $this->session[$this->itemsKey] = $value;
+        $this->session->save();
+
+        return $this->session;
+    }
+
+    public function putConditions($value)
+    {
+        if (! $this->customStorage) {
+            return $this->session->put($this->conditionsKey, $value);
+        }
+
+        if (! empty($value)) {
+            $value = $value->mapWithKeys(function ($condition) {
+                return [$condition->getName() => $condition->toArray()];
+            });
+        }
+
+        $this->session[$this->conditionsKey] = $value;
+        $this->session->save();
+
+        return $this->session;
+    }
+
+    public function clear()
+    {
+        if ($this->customStorage) {
+            return $this->session->delete();
+        }
+
+        $this->session->forget($this->itemsKey);
+        $this->session->forget($this->conditionsKey);
+
+        return true;
+    }
+}