ffwagency/borgerdk-php

<?php

/*
 * This file is part of the borgerdk-php SDK.
 *
 * (c) Jens Beltofte <jens.beltofte@ffwagency.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace BorgerDk\ArticleService\Resources;

use BorgerDk\ArticleService;
use Symfony\Component\DomCrawler\Crawler;

/**
 * Abstract class for all endpoints returning full articles.
 *
 * @package BorgerDk\ArticleService
 */
abstract class ArticleAbstract extends ResourceAbstract
{
    /**
     * Return the raw result from the service endpoint.
     *
     * @return object
     */
    public function getResultFormatted()
    {
        $items = array();

        if (isset($this->resourceResult->Article)) {
            $articles = is_array($this->resourceResult->Article) ?
                $this->resourceResult->Article : array($this->resourceResult->Article);
        } else {
            $articles = array($this->resourceResult);
        }

        foreach ($articles as $article) {
            $articleItem = $this->formatSingleArticle($article);
            $items[$articleItem->id] = $articleItem;
        }

        return $items;
    }

    /**
     * Prepare an object for a single article with the raw data extracted from article HTML.
     *
     * @param object $article
     *
     * @return \stdClass
     */
    public function formatSingleArticle($article)
    {
        $data = new \stdClass();
        $html = utf8_decode($article->Content);
        $crawler = new Crawler($html);

        // Basic article data
        $data->id = $article->ArticleID;
        $data->title = html_entity_decode($article->ArticleTitle, ENT_NOQUOTES, 'UTF-8');
        $data->header = html_entity_decode($article->ArticleHeader, ENT_NOQUOTES, 'UTF-8');
        $data->url = $article->ArticleUrl;
        $data->lastUpdated = $article->LastUpdated;
        $data->publishDate = $article->PublishingDate;

        // Extract self service links
        $data->selfServiceLinks = $crawler->filter('#selvbetjeningslinks > ul > li')->each(
            function (Crawler $node, $i) {
                $link = new \stdClass();
                $link->id = $this->getAttributeId($node);
                $link->url = $node->filter('a')->attr('href');
                $link->label = trim($node->filter('a')->text());
                $link->title = trim($node->filter('a')->attr('title'));
                return $link;
            }
        );

        // Micro articles
        $data->microArticles = $crawler->filter('#kernetekst > div[id^="microArticle_"]')->each(
            function (Crawler $node, $i) {
                $link = new \stdClass();
                $link->id = $this->getAttributeId($node);
                $link->headline = trim($node->filter('h2')->text());
                $link->content = trim($node->filter('div > div')->html());
                return $link;
            }
        );

        // Legislation
        $node = $crawler->filter('#lovgivning');
        if ($node->count()) {
            $data->legislation = new \stdClass();
            $data->legislation->headline = trim($node->filter('h3')->text());
            $data->legislation->content = trim($node->filter('div > div')->html());
        }

        // Recommendation
        $node = $crawler->filter('#anbefaler');
        if ($node->count()) {
            $data->recommendation = new \stdClass();
            $data->recommendation->headline = trim($node->filter('h3')->text());
            $data->recommendation->content = trim($node->filter('div > div')->html());
        }

        // Byline
        $node = $crawler->filter('#byline');
        if ($node->count()) {
            $data->byline = trim($node->text());
        }

        return $data;
    }

    /**
     * Extract guid for a specific node id attribute.
     *
     * @param Crawler $node
     *
     * @return string
     */
    private function getAttributeId(Crawler $node)
    {
        return join('', array_slice(explode('_', $node->attr('id')), -1));
    }
}