bigly-chat/docs/stats.php

<?php
    require(__DIR__ . "/../libs/page.php");
    require(__DIR__ . "/../libs/form.php");
	require(__DIR__ . "/../libs/comment.php");    

    page_header();

    function get_handler() {
        global $db;
        
        $stmt = $db->prepare("SELECT * FROM main.auth"); //weirdly, this requires a schema name
        $stmt->execute([]);
        $result = $stmt->fetchAll(PDO::FETCH_DEFAULT);

		$pr = array();
	
		foreach ($result as $usern) {
			$pr[$usern['username']] = 1;
		}	

		for ($i = 0; $i < 50; $i++) { 
			foreach ($result as $usern) {
				$theuser = $usern['username'];
				$stmt = $db->prepare("SELECT * FROM main.follow WHERE username = ?");
				$stmt->execute([$theuser]);
			
				$followers = $stmt->fetchAll(PDO::FETCH_DEFAULT);
						
				foreach ($followers as $follown) {
					$fn = $follown['target'];

					if ($usern['username'] == $fn) continue;

					$stmt = $db->prepare("SELECT * FROM main.follow WHERE target = ? AND NOT username = ?");
					$stmt->execute([$fn,$fn]);

					$dst = count($stmt->fetchAll(PDO::FETCH_DEFAULT));
	
					$pr[$usern['username']] += $pr[$fn] / ($dst + 10) / 10;
				}
			}

			$dist = 1 - ($i / 50);
			$dist = pow($dist,0.3);

			$new_sum = array_sum($pr);
			foreach ($result as $usern) {
				$h = $pr[$usern['username']];
				$pr[$usern['username']] = (pow($h / $new_sum,1.1) * 100) * $dist + ($h * (1 - $dist));  		
			}
		}

	
		$new_sum = array_sum($pr);
		foreach ($result as $usern) {
			$pr[$usern['username']] = $pr[$usern['username']] * 100 / $new_sum;  		
		}

		function cmp($a, $b) {
			if ($a == $b) {
				return 0;
			}
			return ($a > $b) ? -1 : 1;
		}

		uasort($pr,'cmp');

		foreach ($pr as $usern => $rr) { ?>
		<div class='comment'>
			<div class="avatar">
				<img src="/pfp/<?php echo $usern ?>.png" class="avatar-img">
				<div>
					<div><b>
						<a class="link" href="/user.php?id=<?php echo $usern ?>">
							<?php echo $usern ?>
						</a>
					</b>
					</div>
				</div>
			</div>
			<div><b>Power</b>: <?php echo $rr ?>%</div>
		</div>	
<?php 	}	
 	}

	get_handler();       
?>
	
<?php
   	page_footer();
?>