Add implementation for index request.

Author: Reza Shadman

src/Api/Document/IndexRequest.php

@@ -0,0 +1,125 @@
+<?php namespace Quince\Pelastic\Api\Document;
+
+use Quince\Pelastic\Api\Request;
+use Quince\Pelastic\Contracts\Api\Document\Index\IndexRequestInterface;
+use Quince\Pelastic\Contracts\DocumentInterface;
+
+class IndexRequest extends Request implements IndexRequestInterface {
+
+    /**
+     * Set document to work on
+     *
+     * @param DocumentInterface $document
+     * @param null $id
+     * @return $this
+     */
+    public function setDocument(DocumentInterface $document, $id = null)
+    {
+        $this->setAttribute('document', $document);
+
+        if (null !== $id) {
+            $this->setId($id);
+        }elseif (null !== ($id = $document->getId())) {
+            $this->setId($id);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Set id
+     *
+     * @param $id
+     * @return $this
+     */
+    public function setId($id)
+    {
+        $this->setAttribute('id', $id);
+
+        return $this;
+    }
+
+    /**
+     * Index to store document on
+     *
+     * @param $index
+     * @return $this
+     */
+    public function setIndex($index)
+    {
+        $this->setAttribute('index', (string) $index);
+    }
+
+    /**
+     * Type to set document on
+     *
+     * @param $type
+     * @return $this
+     */
+    public function setType($type)
+    {
+        $this->setAttribute('type', (string) $type);
+    }
+
+    /**
+     * Index with all args
+     *
+     * @param DocumentInterface $document
+     * @param $index
+     * @param null $type
+     * @param null $id
+     * @return mixed
+     */
+    public function index(DocumentInterface $document, $index, $type = null, $id = null)
+    {
+        $this->setIndex($index);
+
+        if (null !== $type) {
+            $this->setType($type);
+        }
+
+        $this->setDocument($document, $id);
+
+        return $this;
+    }
+
+    /**
+     * Get document of the request
+     *
+     * @return DocumentInterface
+     */
+    public function getDocument()
+    {
+        return $this->getAttribute('document', true);
+    }
+
+    /**
+     * Get id of the document
+     *
+     * @return string|integer
+     */
+    public function getDocumentId()
+    {
+        return $this->getAttribute('id', false, $this->getDocument()->getId());
+    }
+
+    /**
+     * Get index that should be used to store documents on.
+     *
+     * @return string
+     */
+    public function getIndex()
+    {
+        return $this->getAttribute('id', true);
+    }
+
+    /**
+     * Get type that should be used to store documents on.
+     *
+     * @return string
+     */
+    public function getType()
+    {
+        return $this->getAttribute('type', false, null);
+    }
+}