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<?php
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namespace Swader\Diffbot\Entity;
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use Swader\Diffbot\Abstracts\Entity;
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use Swader\Diffbot\Traits\StandardEntity;
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class Article extends Entity
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{
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use StandardEntity;
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/** @var Discussion */
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protected $discussion = null;
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public function __construct(array $data)
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{
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if (class_exists('\Carbon\Carbon')) {
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$format = 'D, d M o H:i:s e';
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\Carbon\Carbon::setToStringFormat($format);
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}
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parent::__construct($data);
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if (isset($this->data['discussion'])) {
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$this->discussion = new Discussion($this->data['discussion']);
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}
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}
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/**
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* Should always return "article"
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* @return string
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*/
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public function getType()
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{
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return $this->data['type'];
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}
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/**
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* Returns plaintext version of article (no HTML) as parsed by Diffbot.
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* Only the content is returned, the text in the surrounding (layout etc) elements is ignored.
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* @return string
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*/
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public function getText()
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{
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return $this->data['text'];
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}
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/**
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* Returns full HTML of the article's content - only the content, not the surrounding layout HTML.
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* @return string
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*/
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public function getHtml()
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{
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return $this->data['html'];
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}
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/**
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* Returns date as per http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3
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* Example date: "Wed, 18 Dec 2013 00:00:00 GMT"
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* This will be a Carbon (https://github.com/briannesbitt/Carbon) instance if Carbon is installed.
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* @return \Carbon\Carbon | string
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*/
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public function getDate()
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{
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if (!isset($this->data['date'])) {
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return null;
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}
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try {
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return (class_exists('\Carbon\Carbon')) ?
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new \Carbon\Carbon($this->data['date'], 'GMT') :
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$this->data['date'];
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} catch (\Exception $e) {
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return null;
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}
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}
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/**
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* Returns the full name of the author, as signed on the article's page
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* @return string | null
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*/
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public function getAuthor()
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{
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return $this->getOrDefault('author');
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}
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/**
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* Returns the URL of the author's profile, if available. Otherwise, null.
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* @return string | null
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*/
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public function getAuthorUrl()
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{
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return $this->getOrDefault('authorUrl');
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}
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/**
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* The array returned will contain all tags that Diffbot's AI concluded match the content
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*
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* Note that these are *not* the meta tags as defined by the author, but machine learned ones.
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* The format of the array is:
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*
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* [
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* [
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* "id": 133907,
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* "count": 3,
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* "prevalence": 0.3103448275862069,
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* "label": "Apache HTTP Server",
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* "type": "Http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#InformationEntity",
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* "uri": "http://dbpedia.org/resource/Apache_HTTP_Server"
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* ],
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* [
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* "id": 208652,
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* "count": 5,
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* "prevalence": 0.5172413793103449,
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* "label": "PHP",
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* "type": "Http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#InformationEntity",
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* "uri": "http://dbpedia.org/resource/PHP"
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* ]
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* ]
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*
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* @return array
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*/
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public function getTags()
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{
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return $this->getOrDefault('tags');
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}
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/**
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* Number of pages automatically concatenated to form the text or html response.
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* By default, Diffbot will automatically concatenate up to 20 pages of an article.
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* @see http://support.diffbot.com/automatic-apis/handling-multiple-page-articles/
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* @return int
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*/
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public function getNumPages()
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{
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return $this->getOrDefault('numPages', 1);
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}
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/**
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* Array of all page URLs concatenated in a multipage article. Max 20 entries.
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* Empty array if article was not concatenated before being returned.
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* @see http://support.diffbot.com/automatic-apis/handling-multiple-page-articles/
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* @return array
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*/
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public function getNextPages()
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{
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return $this->getOrDefault('nextPages', []);
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}
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/**
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* Returns the sentiment score of the analyzed article text, a value randing from
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* -1.0 (very negative) to 1.0 (very positive).
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* @return float|null
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*/
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public function getSentiment()
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{
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return $this->getOrDefault('sentiment');
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}
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/**
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* Returns an array of images found in the page's content.
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*
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* Note that this (tries) to ignore content-unrelated images like ads arounds the page, etc.
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* The format of the array will be:
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*
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* [
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* {
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* "height": 808,
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* "diffbotUri": "image|3|-543943368",
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* "naturalHeight": 808,
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* "width": 717,
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* "primary": true,
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* "naturalWidth": 717,
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* "url": "https://example.com/image1.png"
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* },
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* {
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* "height": 506,
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* "diffbotUri": "image|3|-844014913",
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* "naturalHeight": 506,
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* "width": 715,
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* "naturalWidth": 715,
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* "url": "https://example.com/image1.jpeg"
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* }
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* ]
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*
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* @return array
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*/
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public function getImages()
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{
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return $this->getOrDefault('images', []);
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}
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/**
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* Returns an array of videos found in the article's content.
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*
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* Works on and off - the better choice is the Video API
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* @see https://www.diffbot.com/dev/docs/video
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* The format of the array will be:
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*
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* [
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* {
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* "diffbotUri": "video|3|-1138675744",
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* "primary": true,
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* "url": "http://player.vimeo.com/video/22439234"
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* },
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* {
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* "diffbotUri": "video|3|-1138675744",
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* "primary": true,
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* "url": "http://player.vimeo.com/video/22439234"
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* }
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* ]
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*
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* @return array
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*/
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public function getVideos()
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{
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return $this->getOrDefault('videos', []);
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}
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/**
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* Returns the Discussion entity - comments of the article
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* @return Discussion
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*/
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public function getDiscussion()
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{
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return $this->discussion;
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}
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/**
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* The plain-text name of the site (e.g. The New York Times or Diffbot).
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*
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* If no site name is automatically determined, the root domain (diffbot.com) will be returned.
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*
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* @return string | null
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*/
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public function getSiteName()
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{
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return $this->getOrDefault('siteName');
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}
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/**
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* If known, the country of the article publication.
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*
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* @return string | null
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*/
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public function getPublisherCountry()
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{
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return $this->getOrDefault('publisherCountry', null);
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}
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/**
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* If known, the region of the article publication.
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*
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* @return string | null
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*/
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public function getPublisherRegion()
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{
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return $this->getOrDefault('publisherRegion', null);
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}
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/**
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* If an article's date is ambiguous, Diffbot will attempt to estimate a
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* more specific timestamp using various factors. This will not be
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* generated for articles older than two days, or articles without an identified date.
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*
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* @see Article::getDate() - used when estimatedDate isn't defined
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*
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* This will be a Carbon (https://github.com/briannesbitt/Carbon) instance if Carbon is installed.
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*
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* @return \Carbon\Carbon | string
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*/
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public function getEstimatedDate()
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{
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$date = $this->getOrDefault('estimatedDate', $this->getDate());
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return (class_exists('\Carbon\Carbon')) ?
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new \Carbon\Carbon($date, 'GMT') :
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$date;
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}
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/**
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* Returns the canonical url from a page, if any.
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* @return string
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*/
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public function getCanonicalUrl()
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{
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return isset($this->data['canonicalUrl']) ? $this->data['canonicalUrl'] : null;
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}
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}
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