Merge branch 'tcitworld-ebook' into dev

1 files changed, 89 insertions, 0 deletions

diff --git a/inc/3rdparty/libraries/MOBIClass/PreprocessedArticle.php b/inc/3rdparty/libraries/MOBIClass/PreprocessedArticle.php
new file mode 100644
index 00000000..2e992404
--- /dev/null
+++ b/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;
+        }
+}
+?>