feat: add new bridge HashnodeBridge (#2231)

https://github.com/RSS-Bridge/rss-bridge/pull/2231

bridges/HashnodeBridge.php

@@ -0,0 +1,46 @@
+<?php
+
+class HashnodeBridge extends BridgeAbstract {
+
+	const MAINTAINER = 'liamka';
+	const NAME = 'Hashnode';
+	const URI = 'https://hashnode.com';
+	const CACHE_TIMEOUT = 3600; // 1hr
+	const DESCRIPTION = 'See trending or latest posts in Hashnode community.';
+	const LATEST_POSTS = 'https://hashnode.com/api/stories/recent?page=';
+
+	public function collectData(){
+		$this->items = [];
+		for ($i = 0; $i < 5; $i++) {
+			$url = self::LATEST_POSTS . $i;
+			$content = getContents($url);
+			$array = json_decode($content, true);
+
+			if($array['posts'] != null) {
+				foreach($array['posts'] as $post) {
+					$item = [];
+					$item['title'] = $post['title'];
+					$item['content'] = nl2br(htmlspecialchars($post['brief']));
+					$item['timestamp'] = $post['dateAdded'];
+					if($post['partOfPublication'] === true) {
+						$item['uri'] = sprintf(
+							'https://%s.hashnode.dev/%s',
+							$post['publication']['username'],
+							$post['slug']
+						);
+					} else {
+						$item['uri'] = sprintf('https://hashnode.com/post/%s', $post['slug']);
+					}
+					if(!isset($item['uri'])) {
+						continue;
+					}
+					$this->items[] = $item;
+				}
+			}
+		}
+	}
+
+	public function getName(){
+		return self::NAME . ': Recent posts';
+	}
+}