From 197149d90b223c578b7fcf201398360c45af6097 Mon Sep 17 00:00:00 2001
From: Yaman Qalieh <ybq987@gmail.com>
Date: Fri, 25 Mar 2022 05:58:54 -0400
Subject: [PATCH] [CraigslistBridge] Add new bridge (#2479)

---
 bridges/CraigslistBridge.php | 105 +++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 bridges/CraigslistBridge.php

diff --git a/bridges/CraigslistBridge.php b/bridges/CraigslistBridge.php
new file mode 100644
index 00000000..b2a3c3aa
--- /dev/null
+++ b/bridges/CraigslistBridge.php
@@ -0,0 +1,105 @@
+<?php
+class CraigslistBridge extends BridgeAbstract {
+	const MAINTAINER = 'Yaman Qalieh';
+	const NAME = 'Craigslist Bridge';
+	const URI = 'https://craigslist.org/';
+	const DESCRIPTION = 'Returns craigslist search results';
+
+	const PARAMETERS = array( array(
+		'region' => array(
+			'name' => 'Region',
+			'title' => 'The subdomain before craigslist.org in the URL',
+			'exampleValue' => 'sfbay',
+			'required' => true
+		),
+		'search' => array(
+			'name' => 'Search Query',
+			'title' => 'Everything in the URL after /search/',
+			'exampleValue' => 'sya?query=laptop',
+			'required' => true
+		),
+		'limit' => array(
+			'name' => 'Number of Posts',
+			'type' => 'number',
+			'title' => 'The maximum number of posts is 120. Use 0 for unlimited posts.',
+			'defaultValue' => '25'
+		)
+	));
+
+	const TEST_DETECT_PARAMETERS = array(
+		'https://sfbay.craigslist.org/search/sya?query=laptop' => array(
+			'region' => 'sfbay', 'search' => 'sya?query=laptop'
+		),
+		'https://newyork.craigslist.org/search/sss?query=32gb+flash+drive&bundleDuplicates=1&max_price=20' => array(
+			'region' => 'newyork', 'search' => 'sss?query=32gb+flash+drive&bundleDuplicates=1&max_price=20'
+		),
+	);
+
+	const URL_REGEX = '/^https:\/\/(?<region>\w+).craigslist.org\/search\/(?<search>.+)/';
+
+	public function detectParameters($url) {
+		if(preg_match(self::URL_REGEX, $url, $matches)) {
+			$params = array();
+			$params['region'] = $matches['region'];
+			$params['search'] = $matches['search'];
+			return $params;
+		}
+	}
+
+	public function getURI() {
+		if (!is_null($this->getInput('region'))) {
+			$domain = 'https://' . $this->getInput('region') . '.craigslist.org/search/';
+			return urljoin($domain, $this->getInput('search'));
+		}
+		return parent::getURI();
+	}
+
+	public function collectData() {
+		$uri = $this->getURI();
+		$html = getSimpleHTMLDOM($uri);
+
+		// Check if no results page is shown (nearby results)
+		if ($html->find('.displaycountShow', 0)->plaintext == '0') {
+			return;
+		}
+
+		// Search for "more from nearby areas" banner in order to skip those results
+		$results = $html->find('.result-row, h4.nearby');
+
+		// Limit the number of posts
+		if ($this->getInput('limit') > 0) {
+			$results = array_slice($results, 0, $this->getInput('limit'));
+		}
+
+		foreach($results as $post) {
+
+			// Skip "nearby results" banner and results
+			if ($post->tag == 'h4') {
+				break;
+			}
+
+			$item = array();
+
+			$heading = $post->find('.result-heading a', 0);
+			$item['uri'] = $heading->href;
+			$item['title'] = $heading->plaintext;
+			$item['timestamp'] = $post->find('.result-date', 0)->datetime;
+			$item['uid'] = $heading->id;
+			$item['content'] = $post->find('.result-price', 0)->plaintext . ' '
+							 . $post->find('.result-hood', 0)->plaintext;
+
+			$images = $post->find('.result-image[data-ids]', 0);
+			if (!is_null($images)) {
+				$item['content'] .= '<br>';
+				foreach(explode(',', $images->getAttribute('data-ids')) as $image) {
+					// Remove leading 3: from each image id
+					$id = substr($image, 2);
+					$image_uri = 'https://images.craigslist.org/' . $id . '_300x300.jpg';
+					$item['content'] .= '<img src="' . $image_uri . '">';
+					$item['enclosures'][] = $image_uri;
+				}
+			}
+			$this->items[] = $item;
+		}
+	}
+}