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