[BundestagParteispendenBridge] Add bridge to get the latest donations (…

…#1613)

bridges/BundestagParteispendenBridge.php

@@ -0,0 +1,89 @@
+<?php
+class BundestagParteispendenBridge extends BridgeAbstract {
+	const MAINTAINER = 'mibe';
+	const NAME = 'Deutscher Bundestag - Parteispenden';
+	const URI = 'https://www.bundestag.de/parlament/praesidium/parteienfinanzierung/fundstellen50000';
+
+	const CACHE_TIMEOUT = 86400; // 24h
+	const DESCRIPTION = 'Returns the latest "soft money" donations to parties represented in the German Bundestag.';
+	const CONTENT_TEMPLATE = <<<TMPL
+<p><b>Partei:</b><br>%s</p>
+<p><b>Spendenbetrag:</b><br>%s</p>
+<p><b>Spender:</b><br>%s</p>
+<p><b>Eingang der Spende:</b><br>%s</p>
+TMPL;
+
+	public function getIcon()
+	{
+		return 'https://www.bundestag.de/static/appdata/includes/images/layout/favicon.ico';
+	}
+
+	public function collectData()
+	{
+		$ajaxUri = <<<URI
+https://www.bundestag.de/ajax/filterlist/de/parlament/praesidium/parteienfinanzierung/fundstellen50000/462002-462002
+URI;
+		// Get the main page
+		$html = getSimpleHTMLDOMCached($ajaxUri, self::CACHE_TIMEOUT)
+			or returnServerError('Could not request AJAX list.');
+
+		// Build the URL from the first anchor element. The list is sorted by year, descending, so the first element is the current year.
+		$firstAnchor = $html->find('a', 0)
+			or returnServerError('Could not find the proper HTML element.');
+
+		$url = 'https://www.bundestag.de' . $firstAnchor->href;
+
+		// Get the actual page with the soft money donations
+		$html = getSimpleHTMLDOMCached($url, self::CACHE_TIMEOUT)
+			or returnServerError('Could not request ' . $url);
+
+		$rows = $html->find('table.table > tbody > tr')
+			or returnServerError('Could not find the proper HTML elements.');
+
+		foreach($rows as $row) {
+			$item = $this->generateItemFromRow($row);
+			if (is_array($item)) {
+				$item['uri'] = $url;
+				$this->items[] = $item;
+			}
+		}
+	}
+
+	private function generateItemFromRow(simple_html_dom_node $row)
+	{
+		// The row must have 5 columns. There are monthly header rows, which are ignored here.
+		if(count($row->children) != 5)
+			return null;
+
+		$item = array();
+
+		//              | column     | paragraph inside column
+		$party  = $row->children[0]->children[0]->innertext;
+		$amount = $row->children[1]->children[0]->innertext . ' €';
+		$donor  = $row->children[2]->children[0]->innertext;
+		$date   = $row->children[3]->children[0]->innertext;
+		$dip    = $row->children[4]->children[0]->find('a.dipLink', 0);
+
+		// Strip whitespace from date string.
+		$date = str_replace(' ', '', $date);
+
+		$content = sprintf(self::CONTENT_TEMPLATE, $party, $amount, $donor, $date);
+
+		$item = array(
+			'title' => $party . ': ' . $amount,
+			'content' => $content,
+			'uid' => sha1($content),
+			);
+
+		// Try to get the link to the official document
+		if ($dip != null)
+			$item['enclosures'] = array($dip->href);
+
+		// Try to parse the date
+		$dateTime = DateTime::createFromFormat('d.m.Y', $date);
+		if ($dateTime !== FALSE)
+			$item['timestamp'] = $dateTime->getTimestamp();
+
+		return $item;
+	}
+}