Add preliminary slave management page

classes/slaves.class.php

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+<?
+class Slaves {
+  public static function get_level($SlaveID) {
+    G::$DB->query("
+      SELECT u.Uploaded, u.Downloaded, u.BonusPoints, COUNT(t.UserID)
+      FROM users_main AS u
+      LEFT JOIN torrents AS t ON u.ID=t.UserID
+      WHERE u.ID = $SlaveID");
+    list($Upload, $Download, $Points, $Uploads) = G::$DB->next_record();
+    return intval(((($Uploads**0.35)*1.5)+1) * max(($Upload+($Points*1000000)-$Download)/(1024**3),1));
+  }
+};
+?>

sections/slaves/index.php

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+<?
+enforce_login();
+
+if (isset($_REQUEST['action'])) {
+  switch ($_REQUEST['action']) {
+    case '':
+      include('upload_1GB.php');
+      break;
+    default:
+      error(404);
+      break;
+  }
+} else {
+  require(SERVER_ROOT.'/sections/slaves/slaves.php');
+}
+?>

sections/slaves/slaves.php

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+<?
+$DB->query("SELECT OwnerID FROM slaves WHERE UserID = $UserID");
+if ($DB->has_results()) {
+  list($Owner) = $DB->next_record();
+}
+
+$UserLevel = Slaves::get_level($UserID);
+
+$DB->query("SELECT UserID FROM slaves WHERE OwnerID = $UserID");
+$Slaves = $DB->collect('UserID');
+
+if (isset($_POST['release'])) {
+  if (in_array($_POST['release'], $Slaves)) {
+    $DB->query("
+      DELETE FROM slaves
+      WHERE UserID = ".db_string($_POST['release'])."
+      AND OwnerID = '$UserID'");
+  }
+  $Slaves = array_diff($Slaves, [$_POST['release']]);
+}
+
+foreach ($Slaves as $i => $Slave) {
+  $Level = slaves::get_level($Slave);
+  $Slaves[$i] = ['ID' => $Slave, 'Level' => $Level];
+}
+
+View::show_header('Slaves');
+?>
+<div class="thin">
+  <h2>Slavery</h2>
+  <div class="box pad">
+<?  if (isset($Owner)) { ?>
+    <h3>You are owned by <?=Users::format_username($Owner, false, true, true)?></h3>
+<?  } else { ?>
+    <h3>You are free</h3>
+<?  } ?>
+  </div>
+<?  if (sizeof($Slaves) == 0) { ?>
+  <h3>You have no slaves</h3>
+<?  } else { ?>
+  <h2>Your slaves</h2>
+  <div class="box">
+    <table>
+      <tr class="colhead">
+        <td>Slave</td>
+        <td>Level</td>
+        <td>Release</td>
+      </tr>
+<?    foreach ($Slaves as $Slave) { ?>
+      <tr>
+        <td><?=Users::format_username($Slave['ID'], false, true, true)?></td>
+        <td><?=number_format($Slave['Level'])?></td>
+        <td><form method="post"><button type="submit" name="release" value=<?=$Slave['ID']?>>Release</button></form></td>
+      </tr>
+<?    } ?>
+    </table>
+  </div>
+<?  } ?>
+</div>
+<? View::show_footer(); ?>

slaves.php

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+<?
+define('ERROR_EXCEPTION', true);
+require('classes/script_start.php');