drupal/modules/watchdog.module

<?

$module = array("cron" => "watchdog_cron", 
                "admin" => "watchdog_admin");

function watchdog_cron() {
  watchdog_clean();
}

function watchdog_display($order = "date") {
  $colors = array("#D8BFD8", "#6495ED", "#6A5ADF", "#FFFFFF", "#FFA500", "#FF3C3C");
  $fields = array("date" => "id DESC", "username" => "user", "location" => "location", "message" => "message DESC", "level" => "level DESC");

  // Perform query:
  $result = db_query("SELECT l.*, u.userid FROM watchdog l LEFT JOIN users u ON l.user = u.id ORDER BY l.$fields[$order]");
 
  // Generate output:
  $output .= "<TABLE BORDER=\"1\" CELLPADDING=\"2\" CELLSPACING=\"2\">\n";
  $output .= " <TR>\n";
  $output .= "  <TH ALIGN=\"right\" COLSPAN=\"4\">\n";
  $output .= "   <FORM ACTION=\"admin.php?mod=watchdog\" METHOD=\"post\">\n";
  $output .= "    <SELECT NAME=\"order\">\n";
  foreach ($fields as $key=>$value) {
    $output .= "     <OPTION VALUE=\"$key\"". ($key == $order ? " SELECTED" : "") .">Sort by $key</OPTION>\n";
  }
  $output .= "    </SELECT>\n";
  $output .= "    <INPUT TYPE=\"submit\" NAME=\"op\" VALUE=\"Update\">\n";
  $output .= "   </FORM>\n";
  $output .= "  </TH>\n";
  $output .= " </TR>\n";
  $output .= " <TR>\n";
  $output .= "  <TH>date</TH>\n";
  $output .= "  <TH>message</TH>\n";
  $output .= "  <TH>user</TH>\n";
  $output .= "  <TH>operations</TH>\n";
  $output .= " </TR>\n";

  while ($watchdog = db_fetch_object($result)) {
    $output .= " <TR BGCOLOR=\"". $colors[$watchdog->level] ."\"><TD>". format_date($watchdog->timestamp) ."</TD><TD>". substr(check_output($watchdog->message), 0, 44) ."</TD><TD ALIGN=\"center\">". format_username($watchdog->userid, 1) ."</A></TD><TD ALIGN=\"center\"><A HREF=\"admin.php?mod=watchdog&op=view&id=$watchdog->id\">details</A></TD></TR>\n";
  }

  $output .= "</TABLE>\n";

  print $output;
}

function watchdog_view($id) {
  $result = db_query("SELECT l.*, u.userid FROM watchdog l LEFT JOIN users u ON l.user = u.id WHERE l.id = $id");

  if ($watchdog = db_fetch_object($result)) {
    $output .= "<TABLE BORDER=\"1\" CELLPADDING=\"3\" CELLSPACING=\"0\">\n";
    $output .= " <TR><TD ALIGN=\"right\"><B>Level:</B></TD><TD>$watchdog->level</TD></TR>\n";
    $output .= " <TR><TD ALIGN=\"right\"><B>Date:</B></TD><TD>". format_date($watchdog->timestamp, "extra large") ."</TD></TR>\n";
    $output .= " <TR><TD ALIGN=\"right\"><B>User:</B></TD><TD>". format_username($watchdog->userid, 1) ."</TD></TR>\n";
    $output .= " <TR><TD ALIGN=\"right\"><B>Location:</B></TD><TD>$watchdog->location</TD></TR>\n";
    $output .= " <TR><TD ALIGN=\"right\"><B>Message:</B></TD><TD>$watchdog->message</TD></TR>\n";
    $output .= " <TR><TD ALIGN=\"right\"><B>Hostname:</B></TD><TD>$watchdog->hostname</TD></TR>\n";
    $output .= "</TABLE>\n";
    print $output;
  }
}

function watchdog_admin() {
  global $op, $id, $order;

  switch ($op) {
    case "view":
      watchdog_view($id);
      break;
    case "Update":
      watchdog_display($order);
      break;
    default:
      watchdog_display();
  }
}

?>