- First WIP on form handling

src/Method/FormContext.php

@@ -0,0 +1,86 @@
+<?php
+
+namespace Picea\Ui\Method;
+
+use Psr\Http\Message\ServerRequestInterface,
+    Psr\Http\Message\ResponseInterface;
+
+class FormContext implements FormContextInterface
+{
+    public bool $formSent;
+    
+    public array $values;
+
+    public array $messages = [];
+    
+    public ServerRequestInterface $request;
+    
+    public ? ResponseInterface $response = null;
+
+    public function __construct(ServerRequestInterface $request) 
+    {
+        $this->request = $request;
+        $this->values = $request->getParsedBody() ?: [];
+    }
+    
+    public function valid() : bool
+    {
+        foreach($this->messages as $message) {
+            if ( $message->isError() ) {
+                return false;
+            }
+        }
+        
+        return true;
+    }
+    
+    public function formSent() : bool
+    {
+        return $this->formSent;
+    }
+
+    public function __set($key, $value)
+    {
+        return $this->set($key, $value);
+    }
+
+    public function __get($key)
+    {
+        return $this->get($key);
+    }
+
+    public function __isset($key)
+    {
+        return array_key_exists($key, $_SESSION);
+    }
+
+    public function __unset($key)
+    {
+        $this->delete($key);
+    }   
+    
+    public function get(string $key, $default = null)
+    {
+        return $this->has($key) ? $this->values[$key] : $default;
+    }
+
+    public function set(string $key, $value)
+    {
+        return $_SESSION[$key] = $value;
+    }
+
+    public function delete(string $key) : void
+    {
+        unset($this->values[$key]);
+    }
+
+    public function has(string $key) : bool
+    {
+        return array_key_exists($key, $this->values);
+    }
+    
+    public function pushMessage(FormMessage $message) : void
+    {
+        $this->messages[] = $message;
+    }
+}