Add /hackernews example

Signed-off-by: Joas Schilling <coding@schilljs.com>

1 files changed, 74 insertions, 0 deletions

diff --git a/sample-commands/hackernews.php b/sample-commands/hackernews.php
new file mode 100644
index 000000000..eea886829
--- /dev/null
+++ b/sample-commands/hackernews.php
@@ -0,0 +1,74 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2019 Joas Schilling <coding@schilljs.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+if (PHP_SAPI !== 'cli') {
+	// Only allow access via the console
+	exit;
+}
+
+if ($argc < 2) {
+	echo 'Missing search term in call to hackernews.php';
+	return 1;
+}
+
+$mode = $argv[1];
+
+if ($mode === '--help' || !in_array($mode, ['top', 'new', 'best', ''], true)) {
+	echo '/hackernews - A simple command to list the Top 5 top, new or best stories' . "\n";
+	echo "\n";
+	echo 'Example: /hackernews top' . "\n";
+	return;
+}
+
+$mode = $mode ?: 'top';
+$endpoint = 'https://hacker-news.firebaseio.com/v0/' . $mode . 'stories.json';
+$content = file_get_contents($endpoint);
+$results = json_decode($content, true);
+$stories = array_slice($results, 0, 5);
+
+$response = 'Hackernews ' . ucfirst($mode) . '  5:' . "\n";
+$length = 120;
+
+foreach ($stories as $storyId) {
+	$endpoint = 'https://hacker-news.firebaseio.com/v0/item/' . $storyId . '.json';
+	$content = file_get_contents($endpoint);
+	$result = json_decode($content, true);
+
+	$link = " - {$result['url']}\n";
+	$remainingLength = max(strlen($result['title']),$length - strlen($link));
+	if ($remainingLength < strlen('* ' . $result['title'])) {
+		$response .= substr('* ' . $result['title'], 0, $remainingLength) . '…' . $link;
+	} else {
+		$response .= '* ' . $result['title'] . $link;
+	}
+}
+
+$page = 'news';
+if ($mode === 'new') {
+	$page = 'newest';
+} else if ($mode === 'best') {
+	$page = 'best';
+}
+
+$response .= "Find more at https://news.ycombinator.com/$page";
+
+echo ($response);