create contextmanager and refactor docgeneratorTemplateType

src/Bundle/ChillDocGeneratorBundle/Context/ContextManager.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Chill\DocGeneratorBundle\Context;
+
+class ContextManager
+{
+    private iterable $contexts;
+
+    /**
+     * @param iterable $contexts
+     */
+    public function __construct(iterable $contexts)
+    {
+        $this->contexts = $contexts;
+    }
+
+    public function getContext(): array
+    {
+        return iterator_to_array($this->contexts);
+    }
+}

src/Bundle/ChillDocGeneratorBundle/Context/DocGeneratorContextInterface.php

@@ -16,6 +16,11 @@ namespace Chill\DocGeneratorBundle\Context;
  */
 interface DocGeneratorContextInterface
 {
+
+    public static function getKey(): string;
+
+    public function getName(): string;
+
     /**
      * Get the data that will be injected to the generated document.
      *

src/Bundle/ChillDocGeneratorBundle/Context/Exception/UnexpectedTypeException.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Chill\DocGeneratorBundle\Context\Exception;
+
+class UnexpectedTypeException extends \LogicException
+{
+    public function __construct($value, string $expectedType)
+    {
+        parent::__construct(sprintf('Expected argument of type "%s", "%s" given', $expectedType, \is_object($value) ? \get_class($value) : \gettype($value)));
+    }
+}

src/Bundle/ChillDocGeneratorBundle/Context/HouseholdMemberSelectionContext.php

@@ -23,6 +23,16 @@ use function get_class;
  */
 class HouseholdMemberSelectionContext implements DocGeneratorContextInterface
 {
+    public function getName(): string
+    {
+        return 'household member';
+    }
+
+    public static function getKey(): string
+    {
+        return self::class;
+    }
+
     /**
      * Get the data that will be injected to the generated document.
      *