1 files changed, 133 insertions, 0 deletions
diff --git a/lib/facebook-graph-sdk/src/Facebook/FileUpload/FacebookTransferChunk.php b/lib/facebook-graph-sdk/src/Facebook/FileUpload/FacebookTransferChunk.php
new file mode 100644
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+++ b/lib/facebook-graph-sdk/src/Facebook/FileUpload/FacebookTransferChunk.php
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+<?php
+/**
+ * Copyright 2017 Facebook, Inc.
+ *
+ * You are hereby granted a non-exclusive, worldwide, royalty-free license to
+ * use, copy, modify, and distribute this software in source code or binary
+ * form for use in connection with the web services and APIs provided by
+ * Facebook.
+ *
+ * As with any software that integrates with the Facebook platform, your use
+ * of this software is subject to the Facebook Developer Principles and
+ * Policies [http://developers.facebook.com/policy/]. This copyright notice
+ * shall be included in all copies or substantial portions of the software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+namespace Facebook\FileUpload;
+
+/**
+ * Class FacebookTransferChunk
+ *
+ * @package Facebook
+ */
+class FacebookTransferChunk
+{
+    /**
+     * @var FacebookFile The file to chunk during upload.
+     */
+    private $file;
+
+    /**
+     * @var int The ID of the upload session.
+     */
+    private $uploadSessionId;
+
+    /**
+     * @var int Start byte position of the next file chunk.
+     */
+    private $startOffset;
+
+    /**
+     * @var int End byte position of the next file chunk.
+     */
+    private $endOffset;
+
+    /**
+     * @var int The ID of the video.
+     */
+    private $videoId;
+
+    /**
+     * @param FacebookFile $file
+     * @param int $uploadSessionId
+     * @param int $videoId
+     * @param int $startOffset
+     * @param int $endOffset
+     */
+    public function __construct(FacebookFile $file, $uploadSessionId, $videoId, $startOffset, $endOffset)
+    {
+        $this->file = $file;
+        $this->uploadSessionId = $uploadSessionId;
+        $this->videoId = $videoId;
+        $this->startOffset = $startOffset;
+        $this->endOffset = $endOffset;
+    }
+
+    /**
+     * Return the file entity.
+     *
+     * @return FacebookFile
+     */
+    public function getFile()
+    {
+        return $this->file;
+    }
+
+    /**
+     * Return a FacebookFile entity with partial content.
+     *
+     * @return FacebookFile
+     */
+    public function getPartialFile()
+    {
+        $maxLength = $this->endOffset - $this->startOffset;
+
+        return new FacebookFile($this->file->getFilePath(), $maxLength, $this->startOffset);
+    }
+
+    /**
+     * Return upload session Id
+     *
+     * @return int
+     */
+    public function getUploadSessionId()
+    {
+        return $this->uploadSessionId;
+    }
+
+    /**
+     * Check whether is the last chunk
+     *
+     * @return bool
+     */
+    public function isLastChunk()
+    {
+        return $this->startOffset === $this->endOffset;
+    }
+
+    /**
+     * @return int
+     */
+    public function getStartOffset()
+    {
+        return $this->startOffset;
+    }
+
+    /**
+     * Get uploaded video Id
+     *
+     * @return int
+     */
+    public function getVideoId()
+    {
+        return $this->videoId;
+    }
+}