wip: initial working database support

src/Cart.php

@@ -15,6 +15,7 @@ class Cart
 
     protected $instanceName;
 
+    protected $customStorage = false;
     protected $sessionKey;
     protected $sessionKeyCartItems;
     protected $sessionKeyCartConditions;
@@ -26,41 +27,17 @@ class Cart
     protected $decimals;
     protected $decPoint;
 
-    public function __construct($session, $events, $instanceName, $session_key, $config)
+    public function __construct($session, $events, $instanceName, $sessionKey, $config)
     {
         $this->events = $events;
-        $this->session = $session;
+        $this->session = new CartSession($session, $sessionKey, $config);
         $this->instanceName = $instanceName;
-        $this->sessionKey = $session_key;
-        $this->sessionKeyCartItems = $this->sessionKey . '_cart_items';
-        $this->sessionKeyCartConditions = $this->sessionKey . '_cart_conditions';
         $this->config = $config;
         $this->currentItemId = null;
 
         $this->fireEvent('created');
     }
 
-    /**
-     * sets the session key
-     *
-     * @param  string  $sessionKey  the session key or identifier
-     * @return $this|bool
-     *
-     * @throws \Exception
-     */
-    public function session($sessionKey)
-    {
-        if (! $sessionKey) {
-            throw new \Exception('Session key is required.');
-        }
-
-        $this->sessionKey = $sessionKey;
-        $this->sessionKeyCartItems = $this->sessionKey . '_cart_items';
-        $this->sessionKeyCartConditions = $this->sessionKey . '_cart_conditions';
-
-        return $this;
-    }
-
     /**
      * get instance name of the cart
      *
@@ -284,10 +261,7 @@ public function clear()
             return false;
         }
 
-        $this->session->put(
-            $this->sessionKeyCartItems,
-            []
-        );
+        $this->session->putItems([]);
 
         $this->fireEvent('cleared');
 
@@ -326,7 +300,9 @@ public function condition(array|CartCondition $condition): self
 
         $conditions->put($condition->getName(), $condition);
 
-        $conditions = $conditions->sortBy(function ($condition, $key) {
+        $conditions = $conditions->reject(function ($condition) {
+            return empty($condition);
+        })->sortBy(function ($condition, $key) {
             return $condition->getOrder();
         });
 
@@ -342,9 +318,14 @@ public function condition(array|CartCondition $condition): self
      */
     public function getConditions(bool $array = false, bool $active = false): CartConditionCollection|array
     {
-        $conditions = new CartConditionCollection(
-            $this->session->get($this->sessionKeyCartConditions)
-        );
+        $conditions = new CartConditionCollection($this->session->getConditions());
+
+        $conditions = $conditions->reject(function ($condition) {
+            return empty($condition);
+        })
+            ->transform(function ($condition) {
+                return $condition instanceof CartCondition ? $condition : new CartCondition($condition);
+            });
 
         if ($active) {
             return $conditions->filter(function (CartCondition $condition) {
@@ -488,10 +469,7 @@ public function clearItemConditions($itemId)
      */
     public function clearCartConditions(): void
     {
-        $this->session->put(
-            $this->sessionKeyCartConditions,
-            []
-        );
+        $this->session->putConditions([]);
     }
 
     /**
@@ -653,14 +631,11 @@ public function getTotalQuantity()
         return $count;
     }
 
-    /**
-     * get the cart
-     *
-     * @return CartCollection
-     */
-    public function getContent()
+    public function getContent(): CartCollection
     {
-        return (new CartCollection($this->session->get($this->sessionKeyCartItems)))->reject(function ($item) {
+        return (new CartCollection($this->session->getItems()))->transform(function ($item) {
+            return $item instanceof ItemCollection ? $item : new ItemCollection($item, $this->config);
+        })->reject(function ($item) {
             return ! ($item instanceof ItemCollection);
         });
     }
@@ -734,11 +709,11 @@ protected function addItem($id, $item)
     /**
      * save the cart
      *
-     * @param    $cart  CartCollection
+     * @param  $cart  CartCollection
      */
     protected function save($cart)
     {
-        $this->session->put($this->sessionKeyCartItems, $cart);
+        $this->session->putItems($cart);
     }
 
     /**
@@ -746,7 +721,7 @@ protected function save($cart)
      */
     protected function saveConditions($conditions)
     {
-        $this->session->put($this->sessionKeyCartConditions, $conditions);
+        $this->session->putConditions($conditions);
     }
 
     /**

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;
+    }
+}