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lib.php 5.5 KB

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  1. <?php
  2. // This file is part of
  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. // Adds gradeimporter to add new activity page
  17. function tool_devcourse_extend_navigation_course($navigation, $course, $coursecontext) {
  18. $url = new moodle_url('/admin/tool/devcourse/index.php');
  19. $devcoursenode = navigation_node::create('Development course', $url, navigation_node::TYPE_CUSTOM, 'Dev course', 'devcourse');
  20. $navigation->add_node($devcoursenode);
  21. }
  22. function gradeimporter_supports($feature) {
  23. switch ($feature) {
  24. case FEATURE_MOD_ARCHETYPE:
  25. return MOD_ARCHETYPE_RESOURCE;
  26. case FEATURE_GROUPS:
  27. return false;
  28. case FEATURE_GROUPINGS:
  29. return false;
  30. case FEATURE_MOD_INTRO:
  31. return true;
  32. case FEATURE_COMPLETION_TRACKS_VIEWS:
  33. return true;
  34. case FEATURE_GRADE_HAS_GRADE:
  35. return false;
  36. case FEATURE_GRADE_OUTCOMES:
  37. return false;
  38. case FEATURE_BACKUP_MOODLE2:
  39. return true;
  40. default:
  41. return null;
  42. }
  43. }
  44. function gradeimporter_add_instance($data, $mform) {
  45. /*
  46. *Given an object containing all the necessary data,
  47. *(defined by the form in mod_form.php) this function
  48. *creates a new instance and returns the id of this new
  49. *instance.
  50. *
  51. *@param $data: an object from the form in mod_form.php
  52. *@return int: the id of the newly inserted gradeimport record
  53. */
  54. global $DB;
  55. $data->timemodified = time();
  56. $data->id = $DB->insert_record("gradeimporter", $data);
  57. return $data->id;
  58. }
  59. function gradeimporter_update_instance($data) {
  60. /*
  61. *given an object containing all the necessary data,
  62. *(defined by the form in mod_form.php) this function
  63. *updates an existing instance with the new data.
  64. *
  65. *@param $data: an object from the form mod_form.php
  66. *@return boolean: if the record update was a success of fail
  67. */
  68. global $DB;
  69. $data->timemodified = time();
  70. $data->id = $data->instance;
  71. return $DB->update_record('gradeimporter', $data);
  72. }
  73. function gradeimporter_delete_instance($data) {
  74. /*
  75. *Given an id of a gradeimporter instance,
  76. * this function permanently deletes the instance
  77. * and any data that depends on it.
  78. *
  79. *@param int $id: Id of the gradeimporter instance
  80. *@return boolean, if the deletion was a success or
  81. * a failure.
  82. */
  83. global $DB;
  84. if (!$data = $DB->get_record('gradeimporter', array('id' => $id))) {
  85. return false;
  86. }
  87. $cm = get_coursemodule_from_instance('gradeimporter', $gradeimporter->id);
  88. $context = context_module::instance($cm->id);
  89. // Files
  90. $fs = get_file_storage();
  91. $fs->delete_area_files($context->id, 'submissionfiles');
  92. // Delete all files and submissions associated with this instance
  93. $DB->delete_records('gradeimporter_submission', array('gradeimporterid' => $gradeimporter->id));
  94. $DB->delete_records('gradeimporter_feedback', array('gradeimporterid' => $gradeimporter->id));
  95. $DB->delete_records('gradeimporter_submissiontype', array('gradeimporterid' => $gradeimporter->id));
  96. // Delete the instance itself
  97. $DB->delete_records('gradeimporter', array('id' => $id));
  98. return true;
  99. }
  100. /**
  101. * Implementation of pluginfile function to get file from a pluginfile url
  102. */
  103. function mod_gradeimporter_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options=array()) {
  104. // Check the contextlevel is as expected - if your plugin is a block, this becomes CONTEXT_BLOCK, etc.
  105. if ($context->contextlevel != CONTEXT_MODULE) {
  106. return false;
  107. }
  108. // Make sure the filearea is one of those used by the plugin.
  109. if ($filearea !== 'submissionfiles') {
  110. return false;
  111. }
  112. // Make sure the user is logged in and has access to the module
  113. // (plugins that are not course modules should leave out the 'cm' part).
  114. require_login($course, true, $cm);
  115. // Check the relevant capabilities - these may vary depending on the filearea being accessed.
  116. if (!has_capability('mod/gradeimporter:view', $context)) {
  117. return false;
  118. }
  119. // Leave this line out if you set the itemid to null in make_pluginfile_url (set $itemid to 0 instead).
  120. $itemid = array_shift($args); // The first item in the $args array.
  121. // Use the itemid to retrieve any relevant data records and perform any security checks to see if the
  122. // user really does have access to the file in question.
  123. // Extract the filename / filepath from the $args array.
  124. $filename = array_pop($args); // The last item in the $args array.
  125. if (!$args) {
  126. $filepath = '/'; // If $args is empty => the path is '/'
  127. } else {
  128. $filepath = '/'.implode('/', $args).'/'; // If $args contains elements of the filepath
  129. }
  130. // Retrieve the file from the Files API.
  131. $fs = get_file_storage();
  132. $file = $fs->get_file($context->id, 'mod_gradeimporter', $filearea, $itemid, $filepath, $filename);
  133. if (!$file) {
  134. echo "didnt find the file";
  135. return false; // The file does not exist.
  136. }
  137. // We can now send the file back to the browser - in this case with a cache lifetime of 1 day and no filtering.
  138. send_stored_file($file, 86400, 0, $forcedownload, $options);
  139. }