course publication MDL-19315 work version of course sharing

blocks/community/communitycourse.php

@@ -60,7 +60,9 @@ $huburl  = optional_param('huburl', false, PARAM_URL);
 $download  = optional_param('download', -1, PARAM_INTEGER);
 $courseid  = optional_param('courseid', '', PARAM_INTEGER);
 if ($download != -1 and !empty($courseid) and confirm_sesskey()) {
-    $community->get_community_course_backup($courseid, $huburl);
+    $community->download_community_course_backup($courseid, $huburl);
+    $downloadmessage = $OUTPUT->notification(get_string('downloadconfirmed', 'hub', 'backup_'.$courseid.".zip"),
+            'notifysuccess');
 }
 
 $renderer = $PAGE->get_renderer('block_community');
@@ -84,6 +86,7 @@ if (!empty($fromform)) {
 // OUTPUT
 echo $OUTPUT->header();
 echo $OUTPUT->heading(get_string('addcommunitycourse', 'block_community'), 3, 'main');
+echo $downloadmessage;
 $hubselectorform->display();
 echo $renderer->course_list($courses, $huburl);
 echo $OUTPUT->footer();

blocks/community/locallib.php

@@ -56,18 +56,58 @@ class community {
     }
 
     /**
-     *
+     * Download the community course backup and save it in file API
      * @param <type> $courseid
      * @param <type> $huburl
      */
-    public function get_community_course_backup($courseid, $huburl) {
+    public function download_community_course_backup($courseid, $huburl) {
-        global $CFG;
+        global $CFG, $USER;
         require_once($CFG->dirroot. "/lib/filelib.php");
         require_once($CFG->dirroot. "/lib/hublib.php");
-        $curl = new curl();
+        //$curl = new curl();
         $params['courseid'] = $courseid;
         $params['filetype'] = BACKUP_FILE_TYPE;
-        $filecontent = $curl->get($huburl.'/local/hub/webservice/download.php', $params);
+
+        $url  = new moodle_url($huburl.'/local/hub/webservice/download.php', $params);
+        varlog($url);
+        $path = $CFG->dataroot.'/temp/download/'.'backup_'.$courseid.".zip";
+        $fp = fopen($path, 'w');
+        $ch = curl_init($huburl.'/local/hub/webservice/download.php?filetype='.BACKUP_FILE_TYPE.'&courseid='.$courseid);
+        curl_setopt($ch, CURLOPT_FILE, $fp);
+        $data = curl_exec($ch);
+        curl_close($ch);
+        fclose($fp);
+
+        $record->contextid = get_context_instance(CONTEXT_USER, $USER->id)->id;
+        $record->filearea = 'community_backups';
+        $record->itemid = $courseid;
+        $record->filename = 'backup_'.$courseid.".zip";
+        $record->filepath = '/';
+        $fs = get_file_storage();
+        $fs->create_file_from_pathname($record, $CFG->dataroot.'/temp/download/'.'backup_'.$courseid.".zip");
+    }
+
+
+    /**
+     * Decide where to save the file, can be
+     * reused by sub class
+     * @param string filename
+     */
+    public function prepare_file($filename) {
+        global $CFG;
+        if (!file_exists($CFG->dataroot.'/temp/download')) {
+            mkdir($CFG->dataroot.'/temp/download/', 0777, true);
+        }
+        if (is_dir($CFG->dataroot.'/temp/download')) {
+            $dir = $CFG->dataroot.'/temp/download/';
+        }
+        if (empty($filename)) {
+            $filename = uniqid('repo').'_'.time().'.tmp';
+        }
+        if (file_exists($dir.$filename)) {
+            $filename = uniqid('m').$filename;
+        }
+        return $dir.$filename;
     }
 
 }

blocks/community/renderer.php

@@ -102,13 +102,13 @@ class block_community_renderer extends plugin_renderer_base {
                                 'coursedescription' => $course->description));
                     $addlinkhtml = html_writer::tag('a', get_string('add'), array('href' => $addurl));
                 } else {
-                    //Add link TODO make it a button and send by post
+//                    Add link TODO make it a button and send by post
-//                    $addurl = new moodle_url("/blocks/community/communitycourse.php",
+                    $addurl = new moodle_url("/blocks/community/communitycourse.php",
-//                            array('sesskey' => sesskey(), 'download' => 1, 'confirmed' => 1,
+                            array('sesskey' => sesskey(), 'download' => 1, 'confirmed' => 1,
-//                                'courseid' => $course->id, 'huburl' => $huburl));
+                                'courseid' => $course->id, 'huburl' => $huburl));
-//                    $addlinkhtml = html_writer::tag('a', get_string('download', 'block_community'), array('href' => $addurl));
+                    $addlinkhtml = html_writer::tag('a', get_string('download', 'block_community'), array('href' => $addurl));
                 
-                    $addlinkhtml = "Download not implemented yet";
+//                    $addlinkhtml = "Download not implemented yet";
                 }
 
                 // add a row to the table

course/publish/forms.php

@@ -216,13 +216,13 @@ class course_publication_form extends moodleform {
 
 
 
-        $mform->addElement('filemanager', 'screenshots', get_string('screenshots','hub'), null,
+//        $mform->addElement('filemanager', 'screenshots', get_string('screenshots','hub'), null,
-                array('subdirs'=>0,
+//                array('subdirs'=>0,
-                'maxbytes'=>1000000,
+//                'maxbytes'=>1000000,
-                'maxfiles'=>3
+//                'maxfiles'=>3
-        ));
+//        ));
-        $mform->setHelpButton('screenshots', array('screenshots', get_string('screenshots', 'hub'), 'hub'));
+//        $mform->setHelpButton('screenshots', array('screenshots', get_string('screenshots', 'hub'), 'hub'));
-        $mform->addHelpButton('screenshots', 'screenshots', 'hub');
+//        $mform->addHelpButton('screenshots', 'screenshots', 'hub');
 
         $this->add_action_buttons(false, $buttonlabel);
     }

course/publish/publish.php

@@ -128,7 +128,12 @@ if (has_capability('moodle/course:publish', get_context_instance(CONTEXT_COURSE,
     $serverurl = $huburl."/local/hub/webservice/webservices.php";
     require_once($CFG->dirroot."/webservice/xmlrpc/lib.php");
     $xmlrpcclient = new webservice_xmlrpc_client();
-    $result = $xmlrpcclient->call($serverurl, $registeredhub->token, $function, $params);
+    $courseids = $xmlrpcclient->call($serverurl, $registeredhub->token, $function, $params);
+    varlog('The course id after retrieveing from ws:');
+    varlog($courseids);
+    if (count($courseids) != 1) {
+        throw new moodle_exception('coursewronglypublished');
+    }
 
     $courseregisteredmsg = $OUTPUT->notification(get_string('coursepublished', 'hub'), 'notifysuccess');
 
@@ -151,11 +156,14 @@ if (has_capability('moodle/course:publish', get_context_instance(CONTEXT_COURSE,
 
 // send backup
     if ($share) {
-        $params['filetype'] = BACKUP_FILE_TYPE;
+        foreach ($courseids as $courseid) {
-        $params['file'] = $backupfile;
+            $params['filetype'] = BACKUP_FILE_TYPE;
-        $params['filename'] = $backupfile->get_filename();
+            $params['courseid'] = $courseid;
-        $curl->post($huburl."/local/hub/webservice/upload.php", $params);
+            $params['file'] = $backupfile;
+            $curl->post($huburl."/local/hub/webservice/upload.php", $params);
+        }
     }
+    
 
 //TODO: Delete the backup from user_tohub
 

lang/en/hub.php

@@ -65,6 +65,7 @@ $string['demourl'] = 'Demo URL';
 $string['demourl_help'] = 'Enter the demo URL of your course. By default it is the URL of your course. The demo url is displayed as a link in a search result.';
 $string['description'] = 'Description';
 $string['downloadable'] = 'Downloadable';
+$string['downloadconfirmed'] = 'The backup has been saved into your personal area';
 $string['educationallevel'] = 'Educational level';
 $string['educationallevel_help'] = '';
 $string['edulevelassociation'] = 'Association';