Create indexmaker.php

api/indexmaker.php

@@ -0,0 +1,90 @@
+<?php
+//Generates stories of the home page using reddit's hotrank algorithm
+
+session_start();
+require_once('mysql.php');
+require_once('functions.php');
+
+//Reddit hotrank algorithm 
+function getscore($s,$time)
+{
+$order = log10(max(abs($s),1));
+if($s > 0)
+{
+    $sign = 1;
+}
+elseif($s < 0)
+{
+    $sign = -1;
+}
+else
+{
+    $sign = 0;
+}
+
+$seconds = $time - 1412433234;
+$signxorder = $sign * $order;
+$signxorderpseconds = $signxorder + $seconds;
+$score =  round($signxorderpseconds / 45000 ,7);
+return $score;
+
+}
+
+$query = $conn->prepare("SELECT * FROM posts ORDER BY id DESC LIMIT 100");
+$query->execute();
+
+while ($row = $query->fetch(PDO::FETCH_ASSOC)) 
+{
+    $postid = $row['postid'];
+    $userid = $row['user'];
+    $title = $row['title'];
+    $tagling = $row['tagline'];
+    $link = $row['link'];
+    $post_time = $row['post_time'];
+
+    $total_votes = totalvotes($postid,$conn); 
+    $hotrank = getscore($total_votes, $post_time);
+    $isvoted = isuservoted($postid,$conn);
+
+    $gu = $conn->prepare("SELECT * FROM users WHERE userid = :id LIMIT 1");
+    $gu->execute(array(':id' => $userid));
+
+    $gur = $gu->fetch(PDO::FETCH_ASSOC);
+    $user_name = $gur['name'];
+    $user_propic = $gur['propic'];
+
+    $gcoms = totalcomments($postid,$conn);
+
+    $allposts[] = ['datalink' => $postid,
+                    'user_id' => $userid,
+                   'upropic' => $user_propic,
+                   'user' => $user_name,
+                   'title' => $title,
+                   'tag_line' => $tagling,
+                   'post_url' => $link,
+                   'votecount' => $total_votes,
+                   'hot_rank' => $hotrank,
+                   'isVoted' => $isvoted,
+                   'post_time' => $post_time,
+                   'num_comments' => $gcoms];
+}
+
+usort($allposts, function($a, $b) {
+    return ($a['hot_rank'] < $b['hot_rank']) ? -1 : 1;
+ //   return $a['hot_rank'] - $b['hot_rank'];
+});
+
+$rsl = array_reverse($allposts);
+$sl = array_slice($rsl, 0, 20);
+
+if(isset($_REQUEST['pre']))
+{
+  echo "<pre>";
+  var_dump($sl);
+  echo "</pre>";
+}
+else
+{
+print(json_encode($sl));
+}
+?>