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<?php
class DRKBlutspendeBridge extends FeedExpander
{
const MAINTAINER = 'User123698745';
const NAME = 'DRK-Blutspende';
const BASE_URI = 'https://www.drk-blutspende.de';
const URI = self::BASE_URI;
const CACHE_TIMEOUT = 60 * 60 * 1; // 1 hour
const DESCRIPTION = 'German Red Cross (Deutsches Rotes Kreuz) blood donation service feed with more details';
const CONTEXT_APPOINTMENTS = 'Termine';
const PARAMETERS = [
self::CONTEXT_APPOINTMENTS => [
'term' => [
'name' => 'PLZ / Ort',
'required' => true,
'exampleValue' => '12555',
],
'radius' => [
'name' => 'Umkreis in km',
'type' => 'number',
'exampleValue' => 10,
],
'limit_days' => [
'name' => 'Limit von Tagen',
'title' => 'Nur Termine innerhalb der nächsten x Tagen',
'type' => 'number',
'exampleValue' => 28,
],
'limit_items' => [
'name' => 'Limit von Terminen',
'title' => 'Nicht mehr als x Termine',
'type' => 'number',
'required' => true,
'defaultValue' => 20,
]
]
];
public function collectData()
{
$limitItems = intval($this->getInput('limit_items'));
$this->collectExpandableDatas(self::buildAppointmentsURI(), $limitItems);
}
protected function parseItem(array $item)
{
$html = getSimpleHTMLDOM($item['uri']);
$detailsElement = $html->find('.details', 0);
$dateElement = $detailsElement->find('.datum', 0);
$dateLines = self::explodeLines($dateElement->plaintext);
$addressElement = $detailsElement->find('.adresse', 0);
$addressLines = self::explodeLines($addressElement->plaintext);
$infoElement = $detailsElement->find('.angebote > h4 + p', 0);
$info = $infoElement ? $infoElement->innertext : '';
$imageElements = $detailsElement->find('.fotos img');
$item['title'] = $dateLines[0] . ' ' . $dateLines[1] . ' ' . $addressLines[0] . ' - ' . $addressLines[1];
$item['content'] = <<<HTML
<p><b>{$dateLines[0]} {$dateLines[1]}</b></p>
<p>{$addressElement->innertext}</p>
<p>{$info}</p>
HTML;
foreach ($imageElements as $imageElement) {
$src = $imageElement->getAttribute('src');
$item['content'] .= <<<HTML
<p><img src="{$src}"></p>
HTML;
}
$item['description'] = null;
return $item;
}
public function getURI()
{
if ($this->queriedContext === self::CONTEXT_APPOINTMENTS) {
return str_replace('.rss?', '?', self::buildAppointmentsURI());
}
return parent::getURI();
}
private function buildAppointmentsURI()
{
$term = $this->getInput('term') ?? '';
$radius = $this->getInput('radius') ?? '';
$limitDays = intval($this->getInput('limit_days'));
$dateTo = $limitDays > 0 ? date('Y-m-d', time() + (60 * 60 * 24 * $limitDays)) : '';
return self::BASE_URI . '/blutspendetermine/termine.rss?date_to=' . $dateTo . '&radius=' . $radius . '&term=' . $term;
}
/**
* Returns an array of strings, each of which is a substring of string formed by splitting it on boundaries formed by line breaks.
*/
private function explodeLines(string $text): array
{
return array_map('trim', preg_split('/(\s*(\r\n|\n|\r)\s*)+/', $text));
}
}
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