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Much more efficient updating of forum_read table! I think it works ...!
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moodler
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76c78acfea
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@ -4,7 +4,7 @@ function forum_upgrade($oldversion) {
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// This function does anything necessary to upgrade
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// older versions to match current functionality
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global $CFG;
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global $CFG, $db;
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if ($oldversion < 2002073008) {
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execute_sql("DELETE FROM modules WHERE name = 'discuss' ");
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@ -161,54 +161,70 @@ function forum_upgrade($oldversion) {
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if ($oldversion < 2005011500) {
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modify_database('','CREATE TABLE prefix_forum_read (
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`id` int(10) unsigned NOT NULL auto_increment,
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`userid` int(10) NOT NULL default \'0\',
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`forumid` int(10) NOT NULL default \'0\',
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`discussionid` int(10) NOT NULL default \'0\',
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`postid` int(10) NOT NULL default \'0\',
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`firstread` int(10) NOT NULL default \'0\',
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`lastread` int(10) NOT NULL default \'0\',
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PRIMARY KEY (`id`),
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KEY `prefix_forum_user_forum_idx` (`userid`,`forumid`),
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KEY `prefix_forum_user_discussion_idx` (`userid`,`discussionid`),
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KEY `prefix_forum_user_post_idx` (`userid`,`postid`)
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) COMMENT=\'Tracks each users read posts\';');
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`id` int(10) unsigned NOT NULL auto_increment,
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`userid` int(10) NOT NULL default \'0\',
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`forumid` int(10) NOT NULL default \'0\',
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`discussionid` int(10) NOT NULL default \'0\',
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`postid` int(10) NOT NULL default \'0\',
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`firstread` int(10) NOT NULL default \'0\',
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`lastread` int(10) NOT NULL default \'0\',
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PRIMARY KEY (`id`),
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KEY `prefix_forum_user_forum_idx` (`userid`,`forumid`),
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KEY `prefix_forum_user_discussion_idx` (`userid`,`discussionid`),
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KEY `prefix_forum_user_post_idx` (`userid`,`postid`)
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) COMMENT=\'Tracks each users read posts\';');
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/// Enter initial read records for all posts older than 1 day.
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modify_database('','TRUNCATE TABLE prefix_forum_read;');
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require $CFG->dirroot.'/mod/forum/lib.php';
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/// Timestamp for old posts (and therefore considered read).
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$dateafter = time() - ($CFG->forum_oldpostdays*24*60*60);
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/// Timestamp for one day ago.
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$onedayago = time() - (24*60*60);
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/// Enter initial read records for all posts older than 1 day.
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/// Get all discussions that have had posts since the old post date.
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if ($discrecords = get_records_select('forum_discussions', 'timemodified > '.$dateafter,
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'course', 'id,course,forum,groupid')) {
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$currcourse = 0;
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$users = 0;
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foreach ($discrecords as $discrecord) {
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if ($discrecord->course != $currcourse) {
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/// Discussions are ordered by course, so we only need to get any course's users once.
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$currcourse = $discrecord->course;
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$users = get_course_users($currcourse);
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}
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/// If this course has users, and posts more than a day old, mark them for each user.
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if (is_array($users) &&
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($posts = get_records_select('forum_posts', 'discussion = '.$discrecord->id.
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' AND modified < '.$onedayago, '', 'id,discussion,modified'))) {
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foreach($posts as $post) {
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foreach ($users as $user) {
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/// If its a group discussion, make sure the user is in the group.
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if (!$discrecord->groupid || ismember($discrecord->groupid, $user->id)) {
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forum_tp_mark_post_read($user->id, $post, $discrecord->forum);
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}
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}
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}
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}
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}
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}
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require $CFG->dirroot.'/mod/forum/lib.php';
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/// Timestamp for old posts (and therefore considered read).
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$dateafter = time() - ($CFG->forum_oldpostdays*24*60*60);
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/// Timestamp for one day ago.
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$onedayago = time() - (24*60*60);
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/// Get all discussions that have had posts since the old post date.
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if ($discussions = get_records_select('forum_discussions', 'timemodified > '.$dateafter,
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'course', 'id,course,forum,groupid,userid')) {
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$roughposts = count_records_select('forum_posts', 'modified < '.$onedayago.' AND modified > '.$dateafter);
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notify('Updating forum read/unread records for approx '.$roughposts.' posts...');
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$db->debug = false; // Too much to look at!
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$currcourse = 0;
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$users = 0;
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$count = 0;
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foreach ($discussions as $discussion) {
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if ($discussion->course != $currcourse) {
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/// Discussions are ordered by course, so we only need to get any course's users once.
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$currcourse = $discussion->course;
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$users = get_course_users($currcourse, '', '', 'id,id');
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}
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/// If this course has users, and posts more than a day old, mark them for each user.
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if ($users &&
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($posts = get_records_select('forum_posts', 'discussion = '.$discussion->id.
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' AND modified < '.$onedayago.' AND modified > '.$dateafter,
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'', 'id,discussion,modified'))) {
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foreach ($users as $user) {
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/// If its a group discussion, make sure the user is in the group.
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if (!$discussion->groupid ||
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$discussion->userid == $user->id ||
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ismember($discussion->groupid, $user->id)) {
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foreach ($posts as $post) {
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$count++;
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if ($count % 100 == 0) {
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echo $count.'<br />';
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} else {
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echo '.';
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}
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forum_tp_mark_post_read($user->id, $post, $discussion->forum);
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}
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}
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}
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}
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}
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$db->debug = true;
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}
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}
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if ($oldversion < 2005032900) {
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@ -116,41 +116,57 @@ function forum_upgrade($oldversion) {
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modify_database('','CREATE INDEX prefix_forum_user_discussion_idx ON prefix_forum_read (userid, discussionid);');
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modify_database('','CREATE INDEX prefix_forum_user_post_idx ON prefix_forum_read (userid, postid);');
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/// Enter initial read records for all posts older than 1 day.
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modify_database('','TRUNCATE TABLE prefix_forum_read;'); // Just in case this is being re-run
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require_once($CFG->dirroot.'/mod/forum/lib.php');
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/// Timestamp for old posts (and therefore considered read).
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$dateafter = time() - ($CFG->forum_oldpostdays*24*60*60);
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/// Timestamp for one day ago.
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$onedayago = time() - (24*60*60);
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/// Enter initial read records for all posts older than 1 day.
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/// Get all discussions that have had posts since the old post date.
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if ($discrecords = get_records_select('forum_discussions', 'timemodified > '.$dateafter,
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'course', 'id,course,forum,groupid')) {
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$currcourse = 0;
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$users = 0;
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foreach ($discrecords as $discrecord) {
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if ($discrecord->course != $currcourse) {
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/// Discussions are ordered by course, so we only need to get any course's users once.
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$currcourse = $discrecord->course;
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$users = get_course_users($currcourse);
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}
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/// If this course has users, and posts more than a day old, mark them for each user.
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if (is_array($users) &&
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($posts = get_records_select('forum_posts', 'discussion = '.$discrecord->id.
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' AND modified < '.$onedayago, '', 'id,discussion,modified'))) {
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foreach($posts as $post) {
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foreach ($users as $user) {
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/// If its a group discussion, make sure the user is in the group.
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if (!$discrecord->groupid || ismember($discrecord->groupid, $user->id)) {
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forum_tp_mark_post_read($user->id, $post, $discrecord->forum);
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}
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}
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}
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}
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}
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}
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require $CFG->dirroot.'/mod/forum/lib.php';
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/// Timestamp for old posts (and therefore considered read).
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$dateafter = time() - ($CFG->forum_oldpostdays*24*60*60);
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/// Timestamp for one day ago.
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$onedayago = time() - (24*60*60);
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/// Get all discussions that have had posts since the old post date.
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if ($discussions = get_records_select('forum_discussions', 'timemodified > '.$dateafter,
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'course', 'id,course,forum,groupid,userid')) {
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$roughposts = count_records_select('forum_posts', 'modified < '.$onedayago.' AND modified > '.$dateafter);
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notify('Updating forum read/unread records for approx '.$roughposts.' posts...');
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$db->debug = false; // Too much to look at!
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$currcourse = 0;
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$users = 0;
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$count = 0;
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foreach ($discussions as $discussion) {
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if ($discussion->course != $currcourse) {
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/// Discussions are ordered by course, so we only need to get any course's users once.
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$currcourse = $discussion->course;
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$users = get_course_users($currcourse, '', '', 'id,id');
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}
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/// If this course has users, and posts more than a day old, mark them for each user.
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if ($users &&
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($posts = get_records_select('forum_posts', 'discussion = '.$discussion->id.
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' AND modified < '.$onedayago.' AND modified > '.$dateafter,
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'', 'id,discussion,modified'))) {
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foreach ($users as $user) {
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/// If its a group discussion, make sure the user is in the group.
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if (!$discussion->groupid ||
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$discussion->userid == $user->id ||
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ismember($discussion->groupid, $user->id)) {
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foreach ($posts as $post) {
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$count++;
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if ($count % 100 == 0) {
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echo $count.'<br />';
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} else {
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echo '.';
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}
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forum_tp_mark_post_read($user->id, $post, $discussion->forum);
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}
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}
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}
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}
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}
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$db->debug = true;
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}
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}
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if ($oldversion < 2005032900) {
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