leftypol/templates/themes/categories/theme.php

<?php
	require 'info.php';

	function categories_build($action, $settings, $board) {
		// Possible values for $action:
		//	- all (rebuild everything, initialization)
		//	- news (news has been updated)
		//	- boards (board list changed)

		Categories::build($action, $settings);
	}

	// Wrap functions in a class so they don't interfere with normal Tinyboard operations
	class Categories {
		public static function build($action, $settings) {
			global $config;
			
			if ($action == 'all' ||
				$action == 'boards' ||
				$action == 'news' ||
				$action == 'post' ||
				$action == 'post-thread' ||
	 			$action == 'post-delete'){
				file_write($config['dir']['home'] . $settings['file_main'], Categories::homepage($settings));
				file_write($config['dir']['home'] . $settings['file_news'], Categories::news($settings));
			}

			if ($action == 'all'){
				file_write($config['dir']['home'] . $settings['file_sidebar'], Categories::sidebar($settings));
			}
		}


		// Build homepage
		public static function homepage($settings) {
			global $config;
			$description = "Leftypol is an imageboard where users can post anonymously.</br>We engage in both serious political discourse and informal discussion on various topics related to leftist thought. </br></br>They are... an interesting group of people - <i><a href='https://www.youtube.com/watch?v=rJvAxRCxxCg'>Senpai Wolff</a></i> ";
			$metadescription = "Leftypol is an imageboard where users can post anonymously about both serious political discourse and informal discussion on various topics related to leftist thought.";
			$metaextra = '<link rel="canonical" href="https://leftypol.org" />'.
'<script type="application/ld+json">{"@context": "https://schema.org","@type": "Organization","url": "https://leftypol.org","logo": "https://leftypol.org/static/leftypol_logo.png"}</script>'; // other sites should delete this!
			$query = query("SELECT * FROM ``news`` ORDER BY `time` DESC") or error(db_error());
			$news = $query->fetchAll(PDO::FETCH_ASSOC);
			$stats = Categories::getPostStatistics($settings);
			return Element(
				'themes/categories/frames.html',
				Array(
					'config' => $config,
					'settings' => $settings,
					'description' => $description,
					'metadescription' => $metadescription,
					'metaextra' => $metaextra,
					'categories' => Categories::getCategories($config),
					'news' => $news,
					'stats' => $stats,
					'boardlist' => createBoardlist(false)

				)
			);
		}

		// Build news page
		public static function news($settings) {
			global $config;

			$query = query("SELECT * FROM ``news`` ORDER BY `time` DESC") or error(db_error());
			$news = $query->fetchAll(PDO::FETCH_ASSOC);
			$stats = Categories::getPostStatistics($settings);
			return Element('themes/categories/news.html', Array(
				'settings' => $settings,
				'config' => $config,
				'news' => $news,
				'stats' => $stats,
				'boardlist' => createBoardlist(false)
			));
		}

		// Build sidebar
		public static function sidebar($settings) {
			global $config, $board;

			return Element('themes/categories/sidebar.html', Array(
				'settings' => $settings,
				'config' => $config,
				'categories' => Categories::getCategories($config)
			));
		}

		private static function getCategories($config) {
			$categories = $config['categories'];

			foreach ($categories as &$boards) {
				foreach ($boards as &$board) {
					$title = boardTitle($board);
					if (!$title)
						$title = $board; // board doesn't exist, but for some reason you want to display it anyway
					$board = Array('title' => $title, 'uri' => sprintf($config['board_path'], $board));
				}
			}

			return $categories;
		}

		private static function getPostStatistics($settings) {
			global $config;

			if (!isset($config['boards'])) {
				return null;
			}

			$HOUR = 3600;
			$DAY = $HOUR * 24;
			$WEEK = $DAY * 7;

			$stats = [];
			$hourly = [];
			$daily = [];
			$weekly = [];

			foreach (array_merge(... $config['boards']) as $uri) {
				$_board = getBoardInfo($uri);
				if (!$_board) {
					// board doesn't exist. 
					continue;
				}

				$boardStat['title'] = $_board['title'];

				$boardStat['hourly_ips'] = Categories::countUniqueIps($hourly, $HOUR, $_board);
				$boardStat['daily_ips'] = Categories::countUniqueIps($daily, $DAY, $_board);
				$boardStat['weekly_ips'] = Categories::countUniqueIps($weekly, $WEEK, $_board);

				$pph_query = query(
					sprintf("SELECT COUNT(*) AS count FROM ``posts_%s`` WHERE time > %d",
							$_board['uri'],
							time()-3600)
				) or error(db_error());

				$boardStat['pph'] = $pph_query->fetch()['count'];

				$stats['boards'][] = $boardStat;
			}

			$stats['hourly_ips'] = count($hourly);
			$stats['daily_ips'] = count($daily);
			$stats['weekly_ips'] = count($weekly);
			$stats['pph'] = array_sum(array_column($stats['boards'], 'pph'));

			return $stats;
		}

		private static function countUniqueIps(&$markAsCounted, $timespan, $_board) {
			$unique_query = query(
				sprintf("SELECT DISTINCT ip FROM ``posts_%s`` WHERE time > %d",
							$_board['uri'],
							time()-$timespan)
				) or error(db_error());
			$uniqueIps = $unique_query->fetchAll();
			foreach ($uniqueIps as $_k => $row) {
				$markAsCounted[$row['ip']] = true;
			}

			return count($uniqueIps);
		}
	};

?>