Gazelle/sections/tools/data/database_specifics.php

<?php
#declare(strict_types=1);

$ENV = ENV::go();

// View schemas
if (!empty($_GET['table'])) {
    $DB->query('SHOW TABLES');
    $Tables =$DB->collect('Tables_in_'.$ENV->getPriv('SQLDB'));

    if (!in_array($_GET['table'], $Tables)) {
        error(0);
    }

    $DB->query('SHOW CREATE TABLE '.db_string($_GET['table']));
    list(, $Schema) = $DB->next_record(MYSQLI_NUM, false);
    header('Content-type: text/plain');
    error($Schema);
}

// Cache the tables for 4 hours, makes sorting faster
if (!$Tables = $Cache->get_value('database_table_stats')) {
    $DB->query('SHOW TABLE STATUS');
    $Tables =$DB->to_array();
    $Cache->cache_value('database_table_stats', $Tables, 3600 * 4);
}

# todo: Remove Google Charts dependency
require SERVER_ROOT.'/classes/charts.class.php';
$Pie = new PIE_CHART(750, 400, array('Other'=>1,'Percentage'=>1,'Sort'=>1));

// Begin sorting
$Sort = [];
switch (empty($_GET['order_by']) ? '' : $_GET['order_by']) {
  case 'name':
    foreach ($Tables as $Key => $Value) {
        $Pie->add($Value[0], $Value[6] + $Value[8]);
        $Sort[$Key] = $Value[0];
    }
    break;

  case 'engine':
    foreach ($Tables as $Key => $Value) {
        $Pie->add($Value[0], $Value[6] + $Value[8]);
        $Sort[$Key] = $Value[1];
    }
    break;

  case 'rows':
    foreach ($Tables as $Key => $Value) {
        $Pie->add($Value[0], $Value[4]);
        $Sort[$Key] = $Value[4];
    }
    break;

  case 'rowsize':
    foreach ($Tables as $Key => $Value) {
        $Pie->add($Value[0], $Value[5]);
        $Sort[$Key] = $Value[5];
    }
    break;

  case 'datasize':
    foreach ($Tables as $Key => $Value) {
        $Pie->add($Value[0], $Value[6]);
        $Sort[$Key] = $Value[6];
    }
    break;

  case 'indexsize':
    foreach ($Tables as $Key => $Value) {
        $Pie->add($Value[0], $Value[8]);
        $Sort[$Key] = $Value[8];
    }
    break;

  case 'totalsize':
  default:
    foreach ($Tables as $Key => $Value) {
        $Pie->add($Value[0], $Value[6] + $Value[8]);
        $Sort[$Key] = $Value[6] + $Value[8];
    }
}
$Pie->generate();

if (!empty($_GET['order_way']) && $_GET['order_way'] === 'asc') {
    $SortWay = SORT_ASC;
} else {
    $SortWay = SORT_DESC;
}

array_multisort($Sort, $SortWay, $Tables);
// End sorting
?>

<h3>Database</h3>
<div class="box pad center">
  <img src="<?=$Pie->url()?>" />
</div>
<br />

<?php
# Staff Only: Detailed schema info / table dumps
if (check_perms('site_debug')) { ?>

<h3>Specifics</h3>
<div class="box pad center">
  <table>
    <tr class="colhead">
      <td>
        <a
          href="stats.php?action=torrents&order_by=name&order_way=<?=(!empty($_GET['order_by']) && $_GET['order_by'] === 'name' && !empty($_GET['order_way']) && $_GET['order_way'] === 'desc') ? 'asc' : 'desc'?>">Name</a>
      </td>

      <td>
        <a
          href="stats.php?action=torrents&order_by=engine&order_way=<?=(!empty($_GET['order_by']) && $_GET['order_by'] === 'engine' && !empty($_GET['order_way']) && $_GET['order_way'] === 'desc') ? 'asc' : 'desc'?>">Engine</a>
      </td>

      <td>
        <a
          href="stats.php?action=torrents&order_by=rows&order_way=<?=(!empty($_GET['order_by']) && $_GET['order_by'] === 'rows' && !empty($_GET['order_way']) && $_GET['order_way'] === 'desc') ? 'asc' : 'desc'?>">Rows
      </td>

      <td>
        <a
          href="stats.php?action=torrents&order_by=rowsize&order_way=<?=(!empty($_GET['order_by']) && $_GET['order_by'] === 'rowsize' && !empty($_GET['order_way']) && $_GET['order_way'] === 'desc') ? 'asc' : 'desc'?>">Row
          Size</a>
      </td>

      <td>
        <a
          href="stats.php?action=torrents&order_by=datasize&order_way=<?=(!empty($_GET['order_by']) && $_GET['order_by'] === 'datasize' && !empty($_GET['order_way']) && $_GET['order_way'] === 'desc') ? 'asc' : 'desc'?>">Data
          Size</a>
      </td>

      <td>
        <a
          href="stats.php?action=torrents&order_by=indexsize&order_way=<?=(!empty($_GET['order_by']) && $_GET['order_by'] === 'indexsize' && !empty($_GET['order_way']) && $_GET['order_way'] === 'desc') ? 'asc' : 'desc'?>">Index
          Size</a>
      </td>

      <td>
        <a
          href="stats.php?action=torrents&order_by=totalsize&order_way=<?=(!empty($_GET['order_by']) && $_GET['order_by'] === 'totalsize' && !empty($_GET['order_way']) && $_GET['order_way'] === 'desc') ? 'asc' : 'desc'?>">Total
          Size
      </td>

      <td>
        Tools
      </td>
    </tr>

    <?php
$TotalRows = 0;
$TotalDataSize = 0;
$TotalIndexSize = 0;

foreach ($Tables as $Table) {
    list($Name, $Engine, , , $Rows, $RowSize, $DataSize, , $IndexSize) = $Table;
    $TotalRows += $Rows;
    $TotalDataSize += $DataSize;
    $TotalIndexSize += $IndexSize; ?>

    <tr class="row">
      <td>
        <?=display_str($Name)?>
      </td>

      <td>
        <?=display_str($Engine)?>
      </td>

      <td>
        <?=number_format($Rows)?>
      </td>

      <td>
        <?=Format::get_size($RowSize)?>
      </td>

      <td>
        <?=Format::get_size($DataSize)?>
      </td>

      <td>
        <?=Format::get_size($IndexSize)?>
      </td>

      <td>
        <?=Format::get_size($DataSize + $IndexSize)?>
      </td>

      <td>
        <a href="tools.php?action=database_specifics&table=<?=display_str($Name)?>"
          class="brackets">Schema</a>
      </td>
    </tr>
    <?php
}
?>

    <tr>
      <td></td>

      <td></td>

      <td>
        <?=number_format($TotalRows)?>
      </td>

      <td></td>

      <td>
        <?=Format::get_size($TotalDataSize)?>
      </td>

      <td>
        <?=Format::get_size($TotalIndexSize)?>
      </td>

      <td>
        <?=Format::get_size($TotalDataSize + $TotalIndexSize)?>
      </td>

      <td></td>
    </tr>
  </table>
</div>
<?php
} # end if check_perms()