current code from svn, revision 62608

1 files changed, 190 insertions, 0 deletions

diff --git a/lib/models/CourseTopic.class.php b/lib/models/CourseTopic.class.php
new file mode 100644
index 0000000..adad4d1
--- /dev/null
+++ b/lib/models/CourseTopic.class.php
@@ -0,0 +1,190 @@
+<?php
+/**
+ * This program 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 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author     Rasmus Fuhse <fuhse@data-quest.de>
+ * @copyright   2014 Stud.IP Core-Group
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ *
+ * @property string issue_id database column
+ * @property string id alias column for issue_id
+ * @property string seminar_id database column
+ * @property string author_id database column
+ * @property string title database column
+ * @property string description database column
+ * @property string priority database column
+ * @property string mkdate database column
+ * @property string chdate database column
+ * @property DocumentFolder folder belongs_to DocumentFolder
+ * @property Course course belongs_to Course
+ * @property User author belongs_to User
+ * @property SimpleORMapCollection dates has_and_belongs_to_many CourseDate
+ */
+class CourseTopic extends SimpleORMap
+{
+    public static function findByTermin_id($termin_id)
+    {
+        return self::findBySQL("INNER JOIN themen_termine USING (issue_id)
+            WHERE themen_termine.termin_id = ?
+            ORDER BY priority ASC",
+            [$termin_id]
+        );
+    }
+
+    public static function findBySeminar_id($seminar_id, $order_by = 'ORDER BY priority')
+    {
+        return parent::findBySeminar_id($seminar_id, $order_by);
+    }
+
+    public static function findByTitle($seminar_id, $name)
+    {
+        return self::findOneBySQL("seminar_id = ? AND title = ?", [$seminar_id, $name]);
+    }
+
+    public static function getMaxPriority($seminar_id)
+    {
+        return DBManager::get()->fetchColumn("SELECT MAX(priority) FROM themen WHERE seminar_id=?", [$seminar_id]);
+    }
+
+    protected static function configure($config = [])
+    {
+        $config['db_table'] = 'themen';
+        $config['has_and_belongs_to_many']['dates'] = [
+            'class_name' => 'CourseDate',
+            'thru_table' => 'themen_termine',
+            'order_by'   => 'ORDER BY date',
+            'on_delete'  => 'delete',
+            'on_store'   => 'store'
+        ];
+        $config['has_many']['folders'] = [
+            'class_name'  => 'Folder',
+            'assoc_func' => 'findByTopic_id'
+        ];
+        $config['belongs_to']['course'] = [
+            'class_name'  => 'Course',
+            'foreign_key' => 'seminar_id'
+        ];
+        $config['belongs_to']['author'] = [
+            'class_name'  => 'User',
+            'foreign_key' => 'author_id'
+        ];
+
+        $config['additional_fields']['forum_thread_url']['get'] = 'getForumThreadURL';
+
+        $config['registered_callbacks']['before_create'][] = 'cbDefaultValues';
+        $config['registered_callbacks']['after_store'][] = 'cbUpdateConnectedContentModules';
+        $config['registered_callbacks']['before_delete'][] = 'cbUnlinkConnectedContentModules';
+
+        parent::configure($config);
+    }
+
+    /**
+    * set or update connection with document folder
+    */
+    public function connectWithDocumentFolder()
+    {
+        if ($this->seminar_id) {
+            $document_module = Seminar::getInstance($this->seminar_id)->getSlotModule('documents');
+            if ($document_module) {
+                if (!$this->folders->count()) {
+                    $folder = new Folder();
+                    $folder['range_id'] = $this['seminar_id'];
+                    $folder['parent_id'] = Folder::findTopFolder($this['seminar_id'])->getId();
+                    $folder['range_type'] = "course";
+                    $folder['folder_type'] = "CourseTopicFolder";
+                    $folder['data_content']['topic_id'] = $this->getId();
+                    $folder['user_id'] = $GLOBALS['user']->id;
+                    $folder['name'] = $this['title'];
+                    $folder['description'] = $this['description'];
+                    return $folder->store();
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+    * set or update connection with forum thread
+    */
+    public function connectWithForumThread()
+    {
+        if ($this->seminar_id) {
+            $forum_module = Seminar::getInstance($this->seminar_id)->getSlotModule('forum');
+            if ($forum_module instanceOf ForumModule) {
+                $forum_module->setThreadForIssue($this->id, $this->title, $this->description);
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public function getForumThreadURL()
+    {
+        if ($this->seminar_id) {
+            $forum_module = Seminar::getInstance($this->seminar_id)->getSlotModule('forum');
+            if ($forum_module instanceOf ForumModule) {
+                return html_entity_decode($forum_module->getLinkToThread($this->id));
+            }
+        }
+        return '';
+    }
+
+    protected function cbUpdateConnectedContentModules()
+    {
+        if ($this->isFieldDirty('title') || $this->isFieldDirty('description')) {
+            if ($this->forum_thread_url) {
+                $this->connectWithForumThread();
+            }
+        }
+    }
+
+    /**
+     * Removes link information for forum topic and remove forum topic as well
+     * if it is empty.
+     */
+    protected function cbUnlinkConnectedContentModules()
+    {
+        $query = "DELETE fei, fe
+                  FROM `forum_entries_issues` AS fei
+                  LEFT JOIN `forum_entries` AS fe
+                    ON fei.`topic_id` = fe.`topic_id` AND fe.`rgt` = fe.`lft` + 1
+                  WHERE `issue_id` = ?";
+        DBManager::get()->execute($query, [$this->id]);
+    }
+
+    protected function cbDefaultValues()
+    {
+        if (empty($this->content['priority'])) {
+            $this->content['priority'] = self::getMaxPriority($this->seminar_id) + 1;
+        }
+    }
+
+    /**
+     * return all filerefs belonging to this topic, permissions fpr given user are checked
+     *
+     * @param string|User $user_or_id
+     * @return mixed[] A mixed array with FolderType and FileRef objects.
+     */
+    public function getAccessibleFolderFiles($user_or_id)
+    {
+        $user_id = $user_or_id instanceof User ? $user_or_id->id : $user_or_id;
+        $all_files = [];
+        $all_folders = [];
+        $folders = $this->folders->getArrayCopy();
+        foreach ($this->dates as $date) {
+            $folders = array_merge($folders, $date->folders->getArrayCopy());
+        }
+        foreach ($folders as $folder) {
+            list($files, $typed_folders) = array_values(FileManager::getFolderFilesRecursive($folder->getTypedFolder(), $user_id));
+            foreach ($files as $file) {
+                $all_files[$file->id] = $file;
+            }
+            $all_folders = array_merge($all_folders, $typed_folders);
+        }
+        return ['files' => $all_files, 'folders' => $all_folders];
+    }
+}