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<?php
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// $Id: comment_notify.install,v 1.15 2009/04/08 01:24:20 greggles Exp $
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/**
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* @file
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* comment_notify.install.
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*/
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/**
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* Implementation of hook_install().
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*/
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function comment_notify_install() {
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// Create the table.
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drupal_install_schema('comment_notify');
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// Insert a record for each existing comment.
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if ( $GLOBALS['db_type']=='pgsql') {
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db_query("INSERT INTO {comment_notify} (cid, notify, notify_hash) SELECT c.cid, 0, md5(c.mail || coalesce(u.mail, u.init) || c.uid || c.name || c.nid) FROM {comments} c LEFT OUTER JOIN {users} u on c.uid = u.uid");
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}
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else {
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db_query("INSERT INTO {comment_notify} (cid, notify, notify_hash) SELECT c.cid, 0, md5(concat(c.mail, ifnull(u.mail, u.init), c.uid, c.name, c.nid)) FROM {comments} c LEFT OUTER JOIN {users} u on c.uid = u.uid");
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}
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// Set module weight low so that other modules act on the comment first.
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db_query("UPDATE {system} SET weight = 10 WHERE name = 'comment_notify'");
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}
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/**
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* Implementation of hook_uninstall().
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*/
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function comment_notify_uninstall() {
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drupal_uninstall_schema('comment_notify');
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variable_del('node_notify_default_mailtext');
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db_query("DELETE FROM {variable} WHERE name LIKE 'comment_notify_%'");
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}
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/**
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* Implementation of hook_schema().
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*/
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function comment_notify_schema() {
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$schema['comment_notify'] = array(
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'description' => t('Stores information about which commenters on the site have subscriped to followup emails.'),
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'fields' => array(
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'cid' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'description' => 'The comment id from {comments}.cid',
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'not null' => TRUE,
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'disp-width' => '11'),
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'notify' => array(
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'type' => 'int',
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'description' => 'A boolean indicator for whether or not they subscribed: 1 means subscribed, 0 means not subscribed.',
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'size' => 'tiny',
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'not null' => TRUE,
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'disp-width' => '11'),
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'notify_hash' => array(
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'type' => 'varchar',
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'description' => 'An md5 hash of unique information about the commenter. Used for unsubscribing users.',
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'length' => '32',
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'not null' => TRUE,
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'default' => ''),
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'notified' => array(
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'type' => 'int',
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'description' => 'A boolean indicator for whether or not a notification for the comment has been sent: 1 means yes, 0 means no.',
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'size' => 'tiny',
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'not null' => TRUE,
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'default' => 0,
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'disp-width' => '11'),
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),
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'primary key' => array('cid'),
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'indexes' => array(
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'notify_hash' => array('notify_hash')),
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);
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$schema['comment_notify_user_settings'] = array(
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'fields' => array(
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'uid' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'description' => 'The user id from {users}.cid',
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'not null' => TRUE,
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'disp-width' => '11'),
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'node_notify' => array(
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'type' => 'int',
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'size' => 'tiny',
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'not null' => TRUE,
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'default' => 0,
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'disp-width' => '11'),
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'comment_notify' => array(
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'type' => 'int',
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'size' => 'tiny',
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'not null' => TRUE,
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'default' => 0,
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'disp-width' => '11'),
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),
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'primary key' => array('uid'),
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);
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return $schema;
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}
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/**
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* Sync up the two tables after as part of http://drupal.org/node/297791
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*/
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function comment_notify_update_6000() {
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$return[] = update_sql("DELETE FROM {comment_notify} WHERE cid NOT IN (SELECT cid FROM {comments})");
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return $return;
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}
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/**
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* Permissions got renamed, update them.
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*/
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function comment_notify_update_6001() {
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$ret = array();
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$result = db_query("SELECT pid, perm FROM {permission}");
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while ($row = db_fetch_object($result)) {
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$permissions = explode(', ', $row->perm);
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if (in_array('Subscribe to comments', $permissions) && !in_array('subscribe to comments', $permissions)) {
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$permissions[] = 'subscribe to comments';
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}
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if (in_array('Administer comment notify', $permissions) && !in_array('administer comment notify', $permissions)) {
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$permissions[] = 'administer comment notify';
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}
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$permissions = implode(', ', $permissions);
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$ret[] = update_sql("UPDATE {permission} SET perm = '%s' WHERE pid = %d", $permissions, $row->pid);
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}
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return $ret;
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}
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/**
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* Drop the notify column from the {comments} table. This column will only exist
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* if the 5.x-1.x version of comment_notify was installed at some point. Since
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* the 5.x-2.x version of the module {comment_notify}.notify has been used instead.
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*/
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function comment_notify_update_6002() {
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$ret = array();
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if (db_column_exists('comments', 'notify')) {
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db_drop_field($ret, 'comments', 'notify');
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}
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return $ret;
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}
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/**
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* Create a new table to store user preferences and move the $user->data there.
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*/
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function comment_notify_update_6003() {
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$ret = array();
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// This determines how many users will be processed in each batch run.
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$num_users_per_batch = 100;
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// Multi-part update.
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if (!isset($_SESSION['comment_notify_update_6003'])) {
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// We need to start at uid 1, so initialize our variable
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// to the value below that.
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$_SESSION['comment_notify_update_6003'] = 1;
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$_SESSION['comment_notify_update_6003_max'] = db_result(db_query("SELECT MAX(uid) FROM {users}"));
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// Create the table.
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$schema['comment_notify_user_settings'] = array(
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'fields' => array(
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'uid' => array(
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'type' => 'serial',
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'unsigned' => TRUE,
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'description' => 'The user id from {users}.cid',
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'not null' => TRUE,
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'disp-width' => '11'),
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'node_notify' => array(
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'type' => 'int',
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'size' => 'tiny',
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'not null' => TRUE,
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'default' => 0,
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'disp-width' => '11'),
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'comment_notify' => array(
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'type' => 'int',
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'size' => 'tiny',
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'not null' => TRUE,
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'default' => 0,
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'disp-width' => '11'),
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),
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'primary key' => array('uid'),
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);
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db_create_table($ret, 'comment_notify_user_settings', $schema['comment_notify_user_settings']);
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}
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// Do the next batch of the deed.
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// Find the next N records to update, or do the final batch.
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$next = min($_SESSION['comment_notify_update_6003'] + $num_users_per_batch, $_SESSION['comment_notify_update_6003_max']);
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// Check to make sure that the {comment_notify_user_settings} table exists.
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// If for some reason it was not created above, we might lose data when
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// we delete the comment_notify data that is currently in {users}.data.
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// If the table doesn't exist, then alert the user and don't allow any
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// more batches to be processed.
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if (!db_table_exists('comment_notify_user_settings')) {
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unset($_SESSION['comment_notify_update_6003']);
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unset($_SESSION['comment_notify_update_6003_max']);
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// Alert the user that there was an error.
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$ret[] = array('success' => FALSE, 'query' => t('For some reason the {comment_notify_user_settings} table was not properly created, and so per-user comment_notify settings could not be copied from {users}.data. You will need to run this update again.'));
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return $ret;
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}
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// Transfer the data in our specified range of uid values.
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$uid = $_SESSION['comment_notify_update_6003'];
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while ($uid <= $next) {
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// Get the value of {users}.data.
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$data = db_result(db_query('SELECT data FROM {users} WHERE uid = %d', $uid));
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$settings = array('uid' => $uid);
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if (!empty($data)) {
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$data = unserialize($data);
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if (isset($data['node_notify_mailalert'])) {
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$settings['node_notify'] = $data['node_notify_mailalert'];
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unset($data['node_notify_mailalert']);
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}
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if (isset($data['comment_notify_mailalert'])) {
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$settings['comment_notify'] = $data['comment_notify_mailalert'];
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unset($data['comment_notify_mailalert']);
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}
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$fields_sql = '';
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$values_sql = '';
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foreach ($settings as $field => $value) {
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$fields_sql .= "$field, ";
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$values_sql .= '%d, ';
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}
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// Trim off any trailing commas and spaces.
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$fields_sql = rtrim($fields_sql, ', ');
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$values_sql = rtrim($values_sql, ', ');
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// Add this user and settings to {comment_notify_user_settings} only if
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// at least one setting was found in {users}.data for this user.
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if (count($settings) > 1) {
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db_query("INSERT INTO {comment_notify_user_settings} ($fields_sql) VALUES ($values_sql)", $settings);
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// Remove this comment_notify data from {users}.data.
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db_query("UPDATE {users} SET data = '%s' WHERE uid = %d", serialize($data), $uid);
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}
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}
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$uid++;
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}
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// Remember where we left off.
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$_SESSION['comment_notify_update_6003'] = $next;
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if ($_SESSION['comment_notify_update_6003'] == $_SESSION['comment_notify_update_6003_max']) {
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// We're done, clear these out.
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unset($_SESSION['comment_notify_update_6003']);
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unset($_SESSION['comment_notify_update_6003_max']);
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// Provide an explaination of what we did.
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$ret[] = array('success' => TRUE, 'query' => t('Moved comment_notify user settings data from the {users} table into the {comment_notify_user_settings} table.'));
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}
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elseif ($uid == $next) {
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unset($_SESSION['comment_notify_update_6003']);
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unset($_SESSION['comment_notify_update_6003_max']);
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$ret[] = array('success' => FALSE, 'query' => t('Something is maybe not right.'));
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}
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else {
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// Report how much is left to complete.
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$ret['#finished'] = $_SESSION['comment_notify_update_6003'] / $_SESSION['comment_notify_update_6003_max'];
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}
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return $ret;
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}
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/**
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* Add a "notified" column to {comment_notify} to keep track of whether
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* notifications have already been sent out for a given comment. This
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* prevents new notifications from being sent when a comment is edited.
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*/
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function comment_notify_update_6004() {
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$ret = array();
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db_add_field($ret, 'comment_notify', 'notified', array('type' => 'int', 'size' => 'small', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0));
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// Set the value in the notified column to 1 for all existing records.
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$ret[] = update_sql('UPDATE {comment_notify} SET notified = 1');
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return $ret;
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}
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/**
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* Having our foreign keys auto_increment could lead to unexpected results.
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*/
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function comment_notify_update_6005() {
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$ret = array();
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db_change_field($ret, 'comment_notify', 'cid', 'cid',
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array('type' => 'int',
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'unsigned' => TRUE,
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'description' => 'The comment id from {comments}.cid',
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'not null' => TRUE,
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'disp-width' => '11'));
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db_change_field($ret, 'comment_notify_user_settings', 'uid', 'uid',
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array('type' => 'int',
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'unsigned' => TRUE,
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'description' => 'The user id from {users}.cid',
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'not null' => TRUE,
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'disp-width' => '11'));
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return $ret;
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}
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