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1 | <?php //$Id$ |
| 2 | |
| 3 | // This file keeps track of upgrades to |
| 4 | // the forum module |
| 5 | // |
| 6 | // Sometimes, changes between versions involve |
| 7 | // alterations to database structures and other |
| 8 | // major things that may break installations. |
| 9 | // |
| 10 | // The upgrade function in this file will attempt |
| 11 | // to perform all the necessary actions to upgrade |
| 12 | // your older installtion to the current version. |
| 13 | // |
| 14 | // If there's something it cannot do itself, it |
| 15 | // will tell you what you need to do. |
| 16 | // |
| 17 | // The commands in here will all be database-neutral, |
| 18 | // using the functions defined in lib/ddllib.php |
| 19 | |
| 20 | function xmldb_forum_upgrade($oldversion=0) { |
| 21 | |
| 22 | global $CFG, $THEME, $db; |
| 23 | |
| 24 | $result = true; |
| 25 | |
| 26 | /// And upgrade begins here. For each one, you'll need one |
| 27 | /// block of code similar to the next one. Please, delete |
| 28 | /// this comment lines once this file start handling proper |
| 29 | /// upgrade code. |
| 30 | |
| 31 | /// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php |
| 32 | /// $result = result of "/lib/ddllib.php" function calls |
| 33 | /// } |
| 34 | |
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35 | if ($result && $oldversion < 2007101000) { |
| 36 | |
| 37 | /// Define field timemodified to be added to forum_queue |
| 38 | $table = new XMLDBTable('forum_queue'); |
| 39 | $field = new XMLDBField('timemodified'); |
| 40 | $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'postid'); |
| 41 | |
| 42 | /// Launch add field timemodified |
| 43 | $result = $result && add_field($table, $field); |
| 44 | } |
| 45 | |
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46 | if ($result and $oldversion < 2007101511) { |
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47 | notify('Processing forum grades, this may take a while if there are many forums...', 'notifysuccess'); |
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48 | //MDL-13866 - send forum ratins to gradebook again |
| 49 | require_once($CFG->dirroot.'/mod/forum/lib.php'); |
| 50 | // too much debug output |
| 51 | $db->debug = false; |
| 52 | forum_update_grades(); |
| 53 | $db->debug = true; |
| 54 | } |
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55 | |
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56 | if ($result && $oldversion < 2007101512) { |
| 57 | |
| 58 | /// Cleanup the forum subscriptions |
| 59 | notify('Removing stale forum subscriptions', 'notifysuccess'); |
| 60 | |
| 61 | $roles = get_roles_with_capability('moodle/course:view', CAP_ALLOW); |
| 62 | $roles = array_keys($roles); |
| 63 | $roles = implode(',', $roles); |
| 64 | |
| 65 | $sql = "SELECT fs.userid, f.id AS forumid |
| 66 | FROM {$CFG->prefix}forum f |
| 67 | JOIN {$CFG->prefix}course c ON c.id = f.course |
| 68 | JOIN {$CFG->prefix}context ctx ON (ctx.instanceid = c.id AND ctx.contextlevel = ".CONTEXT_COURSE.") |
| 69 | JOIN {$CFG->prefix}forum_subscriptions fs ON fs.forum = f.id |
| 70 | LEFT JOIN {$CFG->prefix}role_assignments ra ON (ra.contextid = ctx.id AND ra.userid = fs.userid AND ra.roleid IN ($roles)) |
| 71 | WHERE ra.id IS NULL"; |
| 72 | |
| 73 | if ($rs = get_recordset_sql($sql)) { |
| 74 | $db->debug = false; |
| 75 | while ($remove = rs_fetch_next_record($rs)) { |
| 76 | delete_records('forum_subscriptions', 'userid', $remove->userid, 'forum', $remove->forumid); |
| 77 | echo '.'; |
| 78 | } |
| 79 | $db->debug = true; |
| 80 | rs_close($rs); |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | |
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85 | return $result; |
| 86 | } |
| 87 | |
| 88 | ?> |
