mod/data/css.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * This file is part of the Database module for Moodle
  19  *
  20  * @copyright 2005 Martin Dougiamas  http://dougiamas.com
  21  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22  * @package mod_data
  23  */
  24 use mod_data\manager;
  25 use mod_data\preset;
  26
  27 define('NO_MOODLE_COOKIES', true); // Session not used here.
  28
  29 require_once('../../config.php');
  30
  31 $id = optional_param('id', 0, PARAM_INT); // Course module id.
  32 $d = optional_param('d', 0, PARAM_INT); // Database id.
  33 $presetfullname = optional_param('preset', '', PARAM_PATH); // The directory the preset is in.
  34
  35 $lifetime  = 600; // Seconds to cache this stylesheet.
  36 $url = new moodle_url('/mod/data/css.php');
  37
  38 $manager = null;
  39 if ($id) {
  40     list($course, $cm) = get_course_and_cm_from_cmid($id, manager::MODULE);
  41     $manager = manager::create_from_coursemodule($cm);
  42     $instance = $manager->get_instance();
  43 } else {
  44     // We must have the database activity id.
  45     $d = required_param('d', PARAM_INT);
  46     $instance = $DB->get_record('data', ['id' => $d], '*', MUST_EXIST);
  47     $manager = manager::create_from_instance($instance);
  48 }
  49 $url->param('d', $instance->id);
  50
  51 // Get the content.
  52 if ($presetfullname) {
  53     $url->param('preset', $presetfullname);
  54     $preset = preset::create_from_fullname($manager, $presetfullname);
  55     $content = $preset->get_template_content('csstemplate');
  56     $lifetime  = 60; // Preset preview does not need a long cache.
  57 } else {
  58     $content = $instance->csstemplate;
  59 }
  60
  61 $PAGE->set_url($url);
  62
  63 header('Last-Modified: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT');
  64 header('Expires: ' . gmdate("D, d M Y H:i:s", time() + $lifetime) . ' GMT');
  65 header('Cache-control: max_age = '. $lifetime);
  66 header('Pragma: ');
  67 header('Content-type: text/css; charset=utf-8');  // Correct MIME type.
  68
  69 echo $content;