Updating BP formula to match PTP's

sections/schedule/hourly/bonus_points.php

 <?
 //------------------------ Update Bonus Points -------------------------//
 
-$getUsers = $DB->query("
-  SELECT um.ID,
-         COUNT(DISTINCT x.fid) AS Torrents,
-         SUM(t.Size) AS Size,
-         SUM(xs.seedtime) AS Seedtime,
-         SUM(t.Seeders) AS Seeders
-  FROM users_main AS um
-  LEFT JOIN users_info AS i on um.ID = i.UserID
-  LEFT JOIN xbt_files_users AS x ON um.ID=x.uid
-  LEFT JOIN torrents AS t ON t.ID=x.fid
-  LEFT JOIN xbt_snatched AS xs ON x.uid=xs.uid AND x.fid=xs.fid
-  WHERE
-    um.Enabled = '1'
-    AND i.DisablePoints = '0'
-    AND x.active = 1
-    AND x.completed = 0
-    AND x.Remaining = 0
-  GROUP BY um.ID");
-if ($DB->has_results()) {
-  $QueryPart = '';
-  while (list($UserID, $NumTorr, $TSize, $TTime, $TSeeds) = $DB->next_record()) {
-    $Points = intval((0.5 + (0.55*($NumTorr * (sqrt(($TSize/$NumTorr)/1073741824) * pow(1.5,($TTime/$NumTorr)/(24*365))))) / (max(1, sqrt(($TSeeds/$NumTorr)+4)/3)))**0.95);
-    if ($Points > 100000) $Points = 0;
-    $QueryPart .= "WHEN $UserID THEN BonusPoints+$Points ";
-    $Cache->delete_value('user_info_heavy_'.$UserID);
-  }
-
-  $DB->query("
-    UPDATE users_main
-    SET BonusPoints = CASE ID "
-    .$QueryPart.
-    "ELSE BonusPoints END");
+function bytesToGiB($bytes) {
+	if ($bytes > 1048576) {
+		$GiB = $bytes / 1073741824;
+	} else {
+		$GiB = 0;
+	}
+	return $GiB;
 }
+
+function calculateBP() {
+	global $DB;
+	global $Cache;
+
+	$getUsers = $DB->query("SELECT DISTINCT(uid) AS uid FROM xbt_files_users");
+	if ($DB->has_results()) {
+		$users = array();
+		while ($result = $DB->next_record()) {
+			$users[] = $result['uid'];
+		}
+		foreach($users as $UserID) {
+			$DB->query("
+				SELECT t.Size,
+						t.Seeders,
+						(us.SeedTime/60/60/24) AS days
+				FROM xbt_files_users AS x
+				LEFT JOIN torrents AS t ON t.ID=x.fid
+				LEFT JOIN users_seedtime AS us ON x.fid=us.TorrentID AND x.uid=us.UserID
+				WHERE x.uid = $UserID AND x.active=1");
+
+			$totalBP = 0;
+			while ($torrent = $DB->next_record()) {
+				$points = bytesToGiB($torrent['Size']) * ( 0.25 + ( 0.6 * log(1+$torrent['days']) / pow($torrent['Seeders'],0.6) ) );
+				$totalBP = $totalBP + $points;
+			}
+
+			if ($totalBP > 0) {
+				$DB->query("SELECT BonusPoints, BPDems FROM users_main WHERE ID=$UserID");
+				list($BonusPoints, $BPDems) = $DB->next_record();
+				$OldBP = (float) $BonusPoints.'.'.$BPDems;
+				$NewBP = $OldBP + $totalBP;
+				$NewDems = $NewBP - floor($NewBP);
+				$NewBP = $NewBP - $NewDems;
+				$NewDems = (int) substr($NewDems, 2);
+
+				$DB->query("
+					UPDATE users_main
+					SET BonusPoints = $NewBP, BPDems = $NewDems
+					WHERE ID=$UserID");
+
+			}
+
+		    $Cache->delete_value('user_info_heavy_'.$UserID);
+		}
+
+	}
+}
+
+calculateBP();
+
 ?>