use directly MOBIClass

inc/3rdparty/libraries/MOBIClass/PreprocessedArticle.php

@@ -0,0 +1,89 @@
+<?php
+
+/**
+ * Description of OnlineArticle
+ *
+ * @author Sander
+ */
+class PreprocessedArticle extends ContentProvider {
+	private $text;
+	private $images;
+	private $metadata = array();
+	private $imgCounter = 0;
+
+	public function  __construct($textData, $imageLinks, $metadata) {
+		$this->text = $textData;
+		$this->metadata = $metadata;
+
+		$this->images = $this->downloadImages($imageLinks);
+	}
+
+	/**
+	 * Create a Preprocessed article from a json string
+	 * @param string $json JSON data. Should be of the following format:
+	 * {"text": "TEXT", "images: ["imageURL1", "imageURL2"], "metadata": {"key": "value"}}
+	 *
+	 * Note: Any image tags should have the recindex attribute set to the appropriate index (the
+	 * same index as the image in the array)
+	 * @return PreprocessedArticle The generated preprocessed array
+	 */
+	static public function CreateFromJson($json){
+		$data = json_decode($json);
+		return new PreprocessedArticle($data["text"], $data["images"], $data["metadata"]);
+	}
+
+	/**
+	 * Get the text data to be integrated in the MOBI file
+	 * @return string
+	 */
+	public function getTextData(){
+		return $this->text;
+	}
+	/**
+	 * Get the images (an array containing the jpeg data). Array entry 0 will
+	 * correspond to image record 0.
+	 * @return array
+	 */
+	public function getImages(){
+		return $this->images;
+	}
+	/**
+	 * Get the metadata in the form of a hashtable (for example, title or author).
+	 * @return array
+	 */
+	public function getMetaData(){
+		return $this->metadata;
+	}
+	/**
+	 *
+	 * @param DOMElement $dom
+	 * @return array
+	 */
+	private function downloadImages($links){
+		$images = array();
+		foreach($links as $link) {
+			$imgFile = @imagecreatefromstring(Http::Request($link));
+
+			if($imgFile === false){
+				$imgFile = @imagecreate(1, 1);
+				$black = @imagecolorallocate($imgFile, 255, 255, 255);
+			}
+			if($imgFile !== false){
+				@imagefilter($imgFile, IMG_FILTER_GRAYSCALE);
+
+				ob_start();
+				@imagejpeg($imgFile);
+				$image = ob_get_contents();
+				ob_end_clean();
+
+				$images[$this->imgCounter] = new FileRecord(new Record($image));
+				imagedestroy($imgFile);
+				
+				$this->imgCounter++;
+			}
+		}
+
+		return $images;
+	}
+}
+?>