add recomputeSingleDocumentChangeset and document class clear to unit…

… of work

src/Annotation/Document.php

@@ -2,7 +2,6 @@
 
 namespace Refugis\ODM\Elastica\Annotation;
 
-use Doctrine\Common\Annotations\Annotation\Required;
 use Doctrine\Common\Annotations\Annotation\Target;
 
 /**
@@ -15,8 +14,6 @@ final class Document
      * The elastica index/type name.
      *
      * @var string
-     *
-     * @Required()
      */
     public $type;
 

src/Exception/DocumentNotManagedException.php

@@ -0,0 +1,13 @@
+<?php declare(strict_types=1);
+
+namespace Refugis\ODM\Elastica\Exception;
+
+use Throwable;
+
+class DocumentNotManagedException extends InvalidArgumentException
+{
+    public function __construct(object $document, Throwable $previous = null)
+    {
+        parent::__construct(\sprintf('Document %s is not managed. A document is managed if it\'s fetched from the database or registered as new through DocumentManager#persist', self::objToStr($document)), 0, $previous);
+    }
+}

src/Exception/ExceptionInterface.php

@@ -2,6 +2,6 @@
 
 namespace Refugis\ODM\Elastica\Exception;
 
-interface ExceptionInterface
+interface ExceptionInterface extends \Throwable
 {
 }

src/Exception/InvalidArgumentException.php

@@ -0,0 +1,18 @@
+<?php declare(strict_types=1);
+
+namespace Refugis\ODM\Elastica\Exception;
+
+class InvalidArgumentException extends \InvalidArgumentException implements ExceptionInterface
+{
+    /**
+     * Helper method to show an object as string.
+     *
+     * @param object $obj
+     *
+     * @return string
+     */
+    protected static function objToStr(object $obj): string
+    {
+        return \method_exists($obj, '__toString') ? (string) $obj : \get_class($obj).'@'.\spl_object_hash($obj);
+    }
+}

src/Exception/UnexpectedDocumentStateException.php

@@ -0,0 +1,30 @@
+<?php declare(strict_types=1);
+
+namespace Refugis\ODM\Elastica\Exception;
+
+use Refugis\ODM\Elastica\UnitOfWork;
+use Throwable;
+
+class UnexpectedDocumentStateException extends InvalidArgumentException
+{
+    public function __construct(int $state, Throwable $previous = null)
+    {
+        parent::__construct(\sprintf('Unexpected document state "%s"', self::getStateAsString($state)), 0, $previous);
+    }
+
+    /**
+     * Gets the state string.
+     */
+    private static function getStateAsString(int $state): string
+    {
+        switch ($state) {
+            case UnitOfWork::STATE_MANAGED: return 'MANAGED';
+            case UnitOfWork::STATE_NEW: return 'NEW';
+            case UnitOfWork::STATE_DETACHED: return 'DETACHED';
+            case UnitOfWork::STATE_REMOVED: return 'REMOVED';
+
+            default:
+                return \sprintf('UNKNOWN (%u)', $state);
+        }
+    }
+}

src/Id/IdentityGenerator.php

@@ -17,6 +17,9 @@ public function generate(DocumentManagerInterface $dm, $document)
         return $collection->getLastInsertedId();
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function isPostInsertGenerator(): bool
     {
         return true;

src/Id/PostInsertId.php

@@ -18,17 +18,23 @@ final class PostInsertId
      */
     private $id;
 
-    public function __construct($document, string $id)
+    public function __construct(object $document, string $id)
     {
         $this->document = $document;
         $this->id = $id;
     }
 
-    public function getDocument()
+    /**
+     * Gets the document for this id.
+     */
+    public function getDocument(): object
     {
         return $this->document;
     }
 
+    /**
+     * Returns the newly generated id.
+     */
     public function getId(): string
     {
         return $this->id;

src/Metadata/Processor/DocumentProcessor.php

@@ -2,6 +2,8 @@
 
 namespace Refugis\ODM\Elastica\Metadata\Processor;
 
+use Doctrine\Common\Inflector\Inflector;
+use Elastica\Type;
 use Kcs\Metadata\Loader\Processor\Annotation\Processor;
 use Kcs\Metadata\Loader\Processor\ProcessorInterface;
 use Kcs\Metadata\MetadataInterface;
@@ -22,7 +24,29 @@ class DocumentProcessor implements ProcessorInterface
     public function process(MetadataInterface $metadata, $subject): void
     {
         $metadata->document = true;
-        $metadata->collectionName = $subject->type;
+
+        $metadata->collectionName = $subject->type ?? $this->calculateType($metadata->name);
+        if (\class_exists(Type::class) && false === \strpos($metadata->collectionName, '/')) {
+            $metadata->collectionName .= '/'.$metadata->collectionName;
+        }
+
         $metadata->customRepositoryClassName = $subject->repositoryClass;
     }
+
+    /**
+     * Build a collection name from class name.
+     *
+     * @param string $name
+     *
+     * @return string
+     */
+    private function calculateType(string $name): string
+    {
+        $indexName = Inflector::tableize($name);
+        if (\class_exists(Type::class)) {
+            return "$indexName/$indexName";
+        }
+
+        return $indexName;
+    }
 }