MDL-29956: Implement common cartridge export (r16882)

2011-11-14 21:25:08 +01:00
parent 3319af85a9
commit 42dffc6feb
87 changed files with 15666 additions and 201 deletions
@@ -0,0 +1,119 @@
+<?php
+
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+/**
+ * @package   moodlecore
+ * @subpackage backup-imscc
+ * @copyright 2011 Darko Miletic ([email protected])
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') or die('Direct access to this script is forbidden.');
+
+class cc11_basiclti extends entities11 {
+
+    public function generate_node () {
+
+        cc2moodle::log_action('Creating BasicLTI mods');
+
+        $response = '';
+
+        if (!empty(cc2moodle::$instances['instances'][MOODLE_TYPE_BASICLTI])) {
+            foreach (cc2moodle::$instances['instances'][MOODLE_TYPE_BASICLTI] as $instance) {
+                $response .= $this->create_node_course_modules_mod_basiclti($instance);
+            }
+        }
+
+        return $response;
+    }
+
+    private function create_node_course_modules_mod_basiclti ($instance) {
+
+        $sheet_mod_basiclti = cc112moodle::loadsheet(SHEET_COURSE_SECTIONS_SECTION_MODS_MOD_BASICLTI);
+
+        $topic_data = $this->get_basiclti_data($instance);
+
+        $result = '';
+        if (!empty($topic_data)) {
+
+            $find_tags = array('[#mod_instance#]'        ,
+                               '[#mod_basiclti_name#]'   ,
+                               '[#mod_basiclti_intro#]'  ,
+                               '[#mod_basiclti_timec#]'  ,
+                               '[#mod_basiclti_timem#]'  ,
+                               '[#mod_basiclti_toolurl#]',
+                               '[#mod_basiclti_orgid#]'  ,
+                               '[#mod_basiclti_orgurl#]' ,
+                               '[#mod_basiclti_orgdesc#]'
+                               );
+
+            $replace_values = array($instance['instance'],
+                                    $topic_data['title'],
+                                    $topic_data['description'],
+                                    time(),time(),
+                                    $topic_data['launchurl'],
+                                    $topic_data['orgid'],
+                                    $topic_data['orgurl'],
+                                    $topic_data['orgdesc']
+                                    );
+
+            $result = str_replace($find_tags, $replace_values, $sheet_mod_basiclti);
+
+        }
+
+        return $result;
+    }
+
+    protected function getValue($node, $default = '') {
+        $result = $default;
+        if (is_object($node) && ($node->length > 0) && !empty($node->item(0)->nodeValue)) {
+            $result = htmlentities(trim($node->item(0)->nodeValue));
+        }
+        return $result;
+    }
+
+    public function get_basiclti_data($instance) {
+
+        $topic_data = '';
+
+        $basiclti_file = $this->get_external_xml($instance['resource_indentifier']);
+
+        if (!empty($basiclti_file)) {
+            $basiclti_file_path = cc2moodle::$path_to_manifest_folder . DIRECTORY_SEPARATOR . $basiclti_file;
+            $basiclti_file_dir = dirname($basiclti_file_path);
+            $basiclti = $this->load_xml_resource($basiclti_file_path);
+            if (!empty($basiclti)) {
+                $xpath = cc2moodle::newx_path($basiclti, cc112moodle::$basicltins);
+                $topic_title = $this->getValue($xpath->query('/xmlns:cartridge_basiclti_link/blti:title'),'Untitled');
+                $blti_description = $this->getValue($xpath->query('/xmlns:cartridge_basiclti_link/blti:description'));
+                $launch_url = $this->getValue($xpath->query('/xmlns:cartridge_basiclti_link/blti:launch_url'));
+                $tool_raw = $this->getValue($xpath->query('/xmlns:cartridge_basiclti_link/blti:vendor/lticp:code'),null);
+                $tool_url = $this->getValue($xpath->query('/xmlns:cartridge_basiclti_link/blti:vendor/lticp:url'),null);
+                $tool_desc = $this->getValue($xpath->query('/xmlns:cartridge_basiclti_link/blti:vendor/lticp:description'),null);
+                $topic_data['title'      ] = $topic_title;
+                $topic_data['description'] = $blti_description;
+                $topic_data['launchurl'  ] = $launch_url;
+                $topic_data['orgid'      ] = $tool_raw;
+                $topic_data['orgurl'     ] = $tool_url;
+                $topic_data['orgdesc'    ] = $tool_desc;
+            }
+        }
+
+        return $topic_data;
+    }
+
+}
+