MDL-20523 Script for upgrading sites that use the old bloglevel settings.

diff --git a/admin/bloglevelupgrade.php b/admin/bloglevelupgrade.php
new file mode 100644 (file)
index 0000000..ba3b52c
--- /dev/null
+++ b/admin/bloglevelupgrade.php
@@ -0,0 +1,150 @@
+<?php /// $Id$
+      /// Create "blog" forums in each course and copy blog entries from these courses' participants in these forums
+
+require_once('../config.php');
+require_once($CFG->dirroot.'/course/lib.php');
+require_once($CFG->dirroot.'/blog/lib.php');
+require_once($CFG->dirroot.'/mod/forum/lib.php');
+require_once($CFG->libdir.'/adminlib.php');
+
+admin_externalpage_setup('bloglevelupgrade');
+$PAGE->set_generaltype('maintenance');
+
+$go = optional_param('go', 0, PARAM_BOOL);
+
+admin_externalpage_print_header();
+echo $OUTPUT->heading(get_string('bloglevelupgrade', 'admin'));
+
+$strbloglevelupgrade = get_string('bloglevelupgradeinfo', 'admin');
+
+if (!$go or !data_submitted() or !confirm_sesskey()) {   /// Print a form
+    $optionsyes = array('go'=>1, 'sesskey'=>sesskey());
+    echo $OUTPUT->confirm($strbloglevelupgrade, new moodle_url('bloglevelupgrade.php', $optionsyes), 'index.php');
+    echo $OUTPUT->footer();
+    die;
+}
+
+echo $OUTPUT->box_start();
+
+/// Turn off time limits, sometimes upgrades can be slow.
+
+@set_time_limit(0);
+@ob_implicit_flush(true);
+while(@ob_end_flush());
+
+$i = 0;
+
+// If $CFG->bloglevel is set to BLOG_GROUP_LEVEL or BLOG_COURSE_LEVEL, create a new "blog" forum in each course
+// whose enrolled students have written blog entries, copy these entries in that forum and switch off blogs at site level
+
+if ($CFG->bloglevel == BLOG_COURSE_LEVEL || $CFG->bloglevel == BLOG_GROUP_LEVEL) {
+    $pbar = new progress_bar('bloglevelupgrade', 500, true);
+
+    $bloggers = $DB->get_records_sql("SELECT userid FROM {post} WHERE module = 'blog' GROUP BY userid");
+    require_once($CFG->dirroot.'/mod/forum/lib.php');
+
+    $a = new object();
+    $a->userscount = 0;
+    $a->blogcount = 0;
+
+    foreach ($bloggers as $blogger) {
+        $courses = get_my_courses($blogger->userid);
+        $blogentries = $DB->get_records('post', array('module' => 'blog', 'userid' => $blogger->userid));
+
+        foreach ($courses as $course) {
+            $forum = forum_get_course_forum($course->id, 'blog');
+            $cm = get_coursemodule_from_instance('forum', $forum->id);
+
+            if ($CFG->bloglevel == BLOG_GROUP_LEVEL && $course->groupmode != NOGROUPS) {
+                // Unless the course is set to separate groups forced, force the forum to Separate groups
+                if (!($course->groupmode == SEPARATEGROUPS && $course->groupmodeforce)) {
+                    $cm->groupmode = SEPARATEGROUPS;
+                    $DB->update_record('course_modules', $cm);
+                }
+
+                $groups = groups_get_user_groups($course->id, $blogger->userid);
+                foreach ($groups[0] as $groupid) { // [0] is for all groupings combined
+                    $a->blogcount += bloglevelupgrade_entries($blogentries, $forum, $cm, $groupid);
+                }
+            } else {
+                $a->blogcount += bloglevelupgrade_entries($blogentries, $forum, $cm);
+            }
+        }
+
+        $a->userscount = $i . '/' .  count($bloggers);
+        $pbar->update($i, count($bloggers), get_string('bloglevelupgradeprogress', 'admin', $a));
+        $i++;
+    }
+}
+
+function bloglevelupgrade_entries($blogentries, $forum, $cm, $groupid=-1) {
+    $count = 0;
+
+    $forumcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
+    $sitecontext = get_context_instance(CONTEXT_SYSTEM);
+
+    foreach ($blogentries as $blogentry) {
+        $discussion = new stdClass();
+        $discussion->course = $forum->course;
+        $discussion->forum = $forum->id;
+        $discussion->name = $blogentry->subject;
+        $discussion->intro = $blogentry->summary;
+        $discussion->assessed = $forum->assessed;
+        $discussion->messageformat = $forum->introformat;
+        $discussion->messagetrust = 0;
+        $discussion->attachments = 0;
+        $discussion->mailnow = false;
+        $discussion->timemodified = $blogentry->created;
+        $discussion->itemid = null;
+        $discussion->groupid = $groupid;
+        $message = '';
+
+        $discussionid = forum_add_discussion($discussion, null, $message);
+
+        // Copy file attachment records
+        $fs = get_file_storage();
+        $files = $fs->get_area_files($sitecontext->id, 'blog_attachment', $blogentry->id);
+
+        if (!empty($files)) {
+            foreach ($files as $storedfile) {
+                $newfile = new object();
+                $newfile->filearea = 'forum_attachment';
+                $newfile->itemid = $discussion->firstpost;
+                $newfile->contextid = $forumcontext->id;
+                $fs->create_file_from_storedfile($newfile, $storedfile->get_id());
+            }
+        }
+
+        $files = $fs->get_area_files($sitecontext->id, 'blog_post', $blogentry->id);
+
+        if (!empty($files)) {
+            foreach ($files as $storedfile) {
+                $newfile = new object();
+                $newfile->filearea = 'forum_post';
+                $newfile->itemid = $discussion->firstpost;
+                $newfile->contextid = $forumcontext->id;
+                $fs->create_file_from_storedfile($newfile, $storedfile->get_id());
+            }
+        }
+        $count++;
+    }
+    return $count;
+}
+// END OF LOOP
+
+// set conversion flag - switches to new plugin automatically
+set_config('bloglevel_upgrade_complete', 1);
+// Finally switch bloglevel to 0 (disabled)
+set_config('bloglevel', 0);
+
+echo $OUTPUT->box_end();
+
+/// Rebuild course cache which might be incorrect now
+echo $OUTPUT->notification('Rebuilding course cache...', 'notifysuccess');
+rebuild_course_cache();
+echo $OUTPUT->notification('...finished', 'notifysuccess');
+
+echo $OUTPUT->continue_button('index.php');
+
+echo $OUTPUT->footer();
+die;

diff --git a/admin/cron.php b/admin/cron.php
index cd6982811a6eb9f7f127ed51f28dfe36d21d9b34..fd14064d022e58d42f47bf8f6180df177dec37dd 100644 (file)
--- a/admin/cron.php
+++ b/admin/cron.php
@@ -548,14 +548,23 @@
     // Run external blog cron if needed
     if ($CFG->useexternalblogs) {
         require_once($CFG->dirroot . '/blog/lib.php');
-        $sql = "SELECT * FROM {blog_external} WHERE timefetched < ? - ? OR timefetched = 0";
-        $external_blogs = $DB->get_records_sql($sql, array(mktime(), $CFG->externalblogcrontime));
+        mtrace("Fetching external blog entries...", '');
+        $sql = "timefetched < ? - ? OR timefetched = 0";
+        $externalblogs = $DB->get_records_select('blog_external', $sql, array(mktime(), $CFG->externalblogcrontime));
         
         foreach ($external_blogs as $eb) {
-            blog_fetch_external_entries($eb);
+            blog_sync_external_entries($eb);
         }
     }
 
+    // Run blog associations cleanup
+    if ($CFG->useblogassociations) {
+        require_once($CFG->dirroot . '/blog/lib.php');
+        // delete entries whose contextids no longer exists
+        mtrace("Deleting blog associations linked to non-existent contexts...", '');
+        $DB->delete_records_select('blog_association', 'contextid NOT IN (SELECT id FROM {context})');
+    }
+
     // cleanup file trash
     $fs = get_file_storage();
     $fs->cron();

diff --git a/lang/en_utf8/forum.php b/lang/en_utf8/forum.php
index 6076401316452cef851a059d77c001f9884a2db6..93e7acc9fc23fe66803780ccb889b7bee5f71f9f 100644 (file)
--- a/lang/en_utf8/forum.php
+++ b/lang/en_utf8/forum.php
@@ -30,6 +30,7 @@ $string['attachmentnopost'] = 'You cannot export attachments without a post id';
 $string['blockafter'] = 'Post threshold for blocking';
 $string['blockperiod'] = 'Time period for blocking';
 $string['blockperioddisabled'] = 'Don\'t block';
+$string['blogforum'] = 'Standard forum displayed in a blog-like format';
 $string['bynameondate'] = 'by $a->name - $a->date';
 $string['cannotadd'] = 'Could not add the discussion for this forum';
 $string['cannotaddteacherforumto'] = 'Could not add converted teacher forum instance to section 0 in the course';
@@ -164,6 +165,7 @@ $string['forum:viewsubscribers'] = 'View subscribers';
 $string['generalforum'] = 'Standard forum for general use';
 $string['generalforums'] = 'General forums';
 $string['inforum'] = 'in $a';
+$string['introblog'] = 'The posts in this forum were copied here automatically from blogs of users in this course because those blog entries are no longer available';
 $string['intronews'] = 'General news and announcements';
 $string['introsocial'] = 'An open forum for chatting about anything you want to';
 $string['introteacher'] = 'A forum for teacher-only notes and discussion';
@@ -359,4 +361,4 @@ $string['youratedthis'] = 'You rated this';
 $string['yournewquestion'] = 'Your new question';
 $string['yournewtopic'] = 'Your new discussion topic';
 $string['yourreply'] = 'Your reply';
-?>
\ No newline at end of file
+?>