upgrade

main/common_cartridge/import/src/converter/Cc13Forum.php

@@ -0,0 +1,166 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+require_once api_get_path(SYS_CODE_PATH).'forum/forumfunction.inc.php';
+
+class Cc13Forum extends Cc13Entities
+{
+    public function fullPath($path, $dir_sep = DIRECTORY_SEPARATOR)
+    {
+        $token = '/\$(?:IMS|1EdTech)[-_]CC[-_]FILEBASE\$/';
+        $path = preg_replace($token, '', $path);
+
+        if (is_string($path) && ($path != '')) {
+            $dot_dir = '.';
+            $up_dir = '..';
+            $length = strlen($path);
+            $rtemp = trim($path);
+            $start = strrpos($path, $dir_sep);
+            $can_continue = ($start !== false);
+            $result = $can_continue ? '' : $path;
+            $rcount = 0;
+
+            while ($can_continue) {
+                $dir_part = ($start !== false) ? substr($rtemp, $start + 1, $length - $start) : $rtemp;
+                $can_continue = ($dir_part !== false);
+
+                if ($can_continue) {
+                    if ($dir_part != $dot_dir) {
+                        if ($dir_part == $up_dir) {
+                            $rcount++;
+                        } else {
+                            if ($rcount > 0) {
+                                $rcount--;
+                            } else {
+                                $result = ($result == '') ? $dir_part : $dir_part.$dir_sep.$result;
+                            }
+                        }
+                    }
+                    $rtemp = substr($path, 0, $start);
+                    $start = strrpos($rtemp, $dir_sep);
+                    $can_continue = (($start !== false) || (strlen($rtemp) > 0));
+                }
+            }
+        }
+
+        return $result;
+    }
+
+    public function generateData()
+    {
+        $data = [];
+        if (!empty(Cc1p3Convert::$instances['instances']['forum'])) {
+            foreach (Cc1p3Convert::$instances['instances']['forum'] as $instance) {
+                $data[] = $this->getForumData($instance);
+            }
+        }
+
+        return $data;
+    }
+
+    public function getForumData($instance)
+    {
+        $topic_data = $this->getTopicData($instance);
+
+        $values = [];
+        if (!empty($topic_data)) {
+            $values = [
+                'instance' => $instance['instance'],
+                'title' => self::safexml($topic_data['title']),
+                'description' => self::safexml($topic_data['description']),
+            ];
+        }
+
+        return $values;
+    }
+
+    public function storeForums($forums)
+    {
+        // Create a Forum category for the import CC 1.3.
+        $courseInfo = api_get_course_info();
+        $catForumValues['forum_category_title'] = 'CC1p3';
+        $catForumValues['forum_category_comment'] = '';
+        $catId = store_forumcategory(
+            $catForumValues,
+            $courseInfo,
+            false
+        );
+
+        foreach ($forums as $forum) {
+            $forumValues = [];
+            $forumValues['forum_title'] = $forum['title'];
+            $forumValues['forum_image'] = '';
+            $forumValues['forum_comment'] = strip_tags($forum['description']);
+            $forumValues['forum_category'] = $catId;
+            $forumValues['moderated'] = 0;
+            store_forum($forumValues, $courseInfo);
+        }
+
+        return true;
+    }
+
+    public function getTopicData($instance)
+    {
+        $topic_data = [];
+
+        $topic_file = $this->getExternalXml($instance['resource_identifier']);
+
+        if (!empty($topic_file)) {
+            $topic_file_path = Cc1p3Convert::$pathToManifestFolder.DIRECTORY_SEPARATOR.$topic_file;
+            $topic_file_dir = dirname($topic_file_path);
+            $topic = $this->loadXmlResource($topic_file_path);
+
+            if (!empty($topic)) {
+                $xpath = Cc1p3Convert::newxPath($topic, Cc1p3Convert::$forumns);
+
+                $topic_title = $xpath->query('/dt:topic/dt:title');
+                if ($topic_title->length > 0 && !empty($topic_title->item(0)->nodeValue)) {
+                    $topic_title = $topic_title->item(0)->nodeValue;
+                } else {
+                    $topic_title = 'Untitled Topic';
+                }
+
+                $topic_text = $xpath->query('/dt:topic/dt:text');
+                $topic_text = !empty($topic_text->item(0)->nodeValue) ? $this->updateSources($topic_text->item(0)->nodeValue, dirname($topic_file)) : '';
+                $topic_text = !empty($topic_text) ? str_replace("%24", "\$", $this->includeTitles($topic_text)) : '';
+
+                if (!empty($topic_title)) {
+                    $topic_data['title'] = $topic_title;
+                    $topic_data['description'] = $topic_text;
+                }
+            }
+
+            $topic_attachments = $xpath->query('/dt:topic/dt:attachments/dt:attachment/@href');
+
+            if ($topic_attachments->length > 0) {
+                $attachment_html = '';
+
+                foreach ($topic_attachments as $file) {
+                    $attachment_html .= $this->generateAttachmentHtml($this->fullPath($file->nodeValue, '/'));
+                }
+
+                $topic_data['description'] = !empty($attachment_html) ? $topic_text.'<p>Attachments:</p>'.$attachment_html : $topic_text;
+            }
+        }
+
+        return $topic_data;
+    }
+
+    private function generateAttachmentHtml(string $filename, ?string $rootPath)
+    {
+        $images_extensions = ['gif', 'jpeg', 'jpg', 'jif', 'jfif', 'png', 'bmp', 'webp'];
+
+        $fileinfo = pathinfo($filename);
+        if (empty($rootPath)) {
+            $rootPath = '';
+        }
+
+        if (in_array($fileinfo['extension'], $images_extensions)) {
+            return '<img src="'.$rootPath.$filename.'" title="'.$fileinfo['basename'].'" alt="'.$fileinfo['basename'].'" /><br />';
+        } else {
+            return '<a href="'.$rootPath.$filename.'" title="'.$fileinfo['basename'].'" alt="'.$fileinfo['basename'].'">'.$fileinfo['basename'].'</a><br />';
+        }
+
+        return '';
+    }
+}