ref #7

controllers/assistant.php

 <?php
+use Mooc\DB\Block as dbBlock;
+
 /**
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -6,6 +8,7 @@
  * the License, or (at your option) any later version.
  *
  * @author      Elmar Ludwig
+ * @author      Ron Lucke
  * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
  */
 
@@ -153,5 +156,203 @@ class AssistantController extends StudipController
         $this->redirect(URLHelper::getURL('dispatch.php/course/scm'));
     }
 
+    /***********************
+     * C O U R S E W A R E *
+     * S T A R T           *
+     **********************/
+
+    public function courseware_action()
+    {
+        $remote_cid = '2fff5f8bc52281d4237139fc30e7f248';
+        $current_cid = $this->course_id;
+        $plugin_manager = \PluginManager::getInstance();
+        $this->coursewarePlugin = $plugin_manager->getPlugin('Courseware');
+
+        $current_courseware = dbBlock::findCourseware($current_cid);
+        $remote_courseware = $this->getRemoteCourseware($remote_cid);
+
+        $import_folder = $this->createImportFolder($current_cid);
+
+        // import remote course
+        //chapters
+        foreach ($remote_courseware['children'] as $chapter) {
+            $db_block = dbBlock::find($chapter['id']);
+            $data = array('title' => $db_block->title, 'cid' => $current_cid, 'publication_date' => $chapter['publication_date'], 'withdraw_date' => $chapter['withdraw_date']);
+            $current_chapter = $this->createAnyBlock($current_courseware->id, 'Chapter', $data);
+
+            //subchapters
+            foreach($chapter['children'] as $subchapter) {
+                $db_block = dbBlock::find($subchapter['id']);
+                $data = array('title' => $db_block->title, 'cid' => $current_cid, 'publication_date' => $subchapter['publication_date'], 'withdraw_date' => $subchapter['withdraw_date']);
+                $current_subchapter = $this->createAnyBlock($current_chapter->id, 'Subchapter', $data);
+
+                //sections
+                foreach($subchapter['children'] as $section) {
+                    $db_block = dbBlock::find($section['id']);
+                    $data = array('title' => $db_block->title, 'cid' => $current_cid, 'publication_date' => null, 'withdraw_date' => null);
+                    $current_section = $this->createAnyBlock($current_subchapter->id, 'Section', $data);
+
+                    //blocks
+                    foreach($section['children'] as $block) {
+                        $remote_db_block = dbBlock::find($block['id']);
+                        $remote_ui_block = $this->coursewarePlugin->getBlockFactory()->makeBlock($remote_db_block);
+
+                        $data = array('title' => $remote_db_block->title, 'cid' => $cid, 'publication_date' => null, 'withdraw_date' => null);
+                        $new_block = $this->createAnyBlock($current_section->id, $remote_db_block->type, $data, $remote_db_block->sub_type);
+
+                        $new_ui_block = $this->coursewarePlugin->getBlockFactory()->makeBlock($new_block);
+                        if (gettype($new_ui_block) != 'object') { 
+                            $new_block->delete();
+                            break 2;
+                        }
+                        $files = $remote_ui_block->getFiles();
+                        foreach($files as &$file) {
+                            $remote_file = FileRef::find($file['id']);
+
+                            if ($remote_file != null) {
+                                $file = FileManager::copyFileRef($remote_file, $import_folder, \User::findCurrent());
+                                
+                            }
+                        }
+
+                        if ($remote_ui_block->exportProperties() != null) {
+                            $new_ui_block->importProperties($remote_ui_block->exportProperties());
+                        }
+                        $new_ui_block->importContents($remote_ui_block->exportContents(), $files);
+
+                    }
+                }
+            }
+        }
+
+        $this->redirect(URLHelper::getURL('plugins.php/courseware/courseware', array('cid' => $this->course_id)));
+    }
+
+    private function getRemoteCourseware($cid)
+    {
+        $grouped = $this->getGrouped($cid);
+
+        $remote_courseware = current($grouped['']);
+        $this->buildTree($grouped, $remote_courseware);
+
+        return $remote_courseware;
+    }
+
+    private function getGrouped($cid)
+    {
+        $grouped = array_reduce(
+            dbBlock::findBySQL('seminar_id = ? ORDER BY id, position', array($cid)),
+            function($memo, $item) {
+                $arr = $item->toArray();
+                $arr['isStrucutalElement'] = true;
+                $arr['childType'] = $this->getSubElement($arr['type']);
+                if (!$item->isStructuralBlock()) {
+                    $arr['isStrucutalElement'] = false;
+                    $arr['isBlock'] = true;
+                    $ui_block = $this->coursewarePlugin->getBlockFactory()->makeBlock($item);
+                    $arr['ui_block'] = $ui_block;
+                }
+                $arr['isPublished'] = $item->isPublished();
+                $memo[$item->parent_id][] = $arr;
+                return $memo;
+            },
+            array());
+
+        return $grouped;
+    }
+
+    private function buildTree($grouped, &$root)
+    {
+        $this->addChildren($grouped, $root);
+        if ($root['type'] !== 'Section') {
+            if (!empty($root['children'])) {
+                foreach($root['children'] as &$child) {
+                    $this->buildTree($grouped, $child);
+                }
+            }
+        } else {
+            $root['children'] = $this->addChildren($grouped, $root);
+        }
+    }
+
+    private function getSubElement($type)
+    {
+        $sub_element = null;
+        switch($type) {
+            case 'Courseware':
+                $sub_element = 'Chapter';
+                break;
+            case 'Chapter':
+                $sub_element = 'Subchapter';
+                break;
+            case 'Subchapter':
+                $sub_element = 'Section';
+                break;
+            case 'Section':
+                $sub_element = 'Block';
+                break;
+            case 'Block':
+            default:
+        }
+
+        return $sub_element;
+    }
+
+    private function addChildren($grouped, &$parent)
+    {
+        $parent['children'] = $grouped[$parent['id']];
+        if ($parent['children'] != null) {
+            usort($parent['children'], function($a, $b) {
+                return $a['position'] - $b['position'];
+            });
+        }
+
+        return $parent['children'];
+    }
+
+    private function createAnyBlock($parent, $type, $data, $sub_type = '')
+    {
+        $block = new dbBlock();
+        $parent_id = is_object($parent) ? $parent->id : $parent;
+        $block->setData(array(
+            'seminar_id' => $data['cid'],
+            'parent_id' => $parent_id,
+            'type' => $type,
+            'sub_type' => $sub_type,
+            'title' => $data['title'],
+            'publication_date' => $data['publication_date'],
+            'withdraw_date' => $data['withdraw_date'],
+            'position' => $block->getNewPosition($parent_id)
+        ));
+
+        $block->store();
+
+        return $block;
+    }
+
+    private function createImportFolder($cid = null)
+    {
+        if($cid == null) {
+            $root_folder = Folder::findTopFolder($GLOBALS['SessionSeminar']);
+        } else {
+            $root_folder = Folder::findTopFolder($cid);
+        }
+        $parent_folder = FileManager::getTypedFolder($root_folder->id);
+
+        // create new folder for import
+        $request = array('name' => 'Courseware-Tutorial', 'description' => _('Dateien für das Courseware Tutorial'));
+        $new_folder = new StandardFolder();
+        $new_folder->setDataFromEditTemplate($request);
+        $new_folder->user_id = User::findCurrent()->id;
+        $courseware_folder = $parent_folder->createSubfolder($new_folder);
+
+        return FileManager::getTypedFolder($courseware_folder->id);
+    }
+
+    /***********************
+     * C O U R S E W A R E *
+     * E N D               *
+     **********************/
+
 
 }

views/assistant/index.php

@@ -99,7 +99,7 @@
             </h1>
             <div class="accordion_content">
                 <p>Mit dem Stud.IP-Plugin "Courseware" können Sie vielfältige Quellen zusammenführen und interaktive multimediale Lernmodule erstellen.</p>
-                <?= Studip\LinkButton::create(_('Kurs dafür einrichten'), $controller->url_for('courseware')) ?>
+                <?= Studip\LinkButton::create(_('Kurs dafür einrichten'), $controller->url_for('assistant/courseware')) ?>
                 <ul>
                     <li>
                         <a href="<?= $controller->link_for('assistant/courseware_info/example') ?>" data-dialog="size=640x400">Beispiel</a>