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<?php
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/**
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* @file
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* install file for privatemsg_filter
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*/
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/**
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* Implements hook_schema().
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*/
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function privatemsg_filter_schema() {
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$schema = array();
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$schema['pm_tags'] = array(
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'description' => '{pm_tags} holds the names of tags and their id.',
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'fields' => array(
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'tag_id' => array(
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'description' => 'Tag ID',
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'type' => 'serial',
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'not null' => TRUE,
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'unsigned' => TRUE,
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),
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'tag' => array(
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'description' => 'The name of the tag',
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'type' => 'varchar',
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'length' => 255,
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'not null' => TRUE,
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),
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'public' => array(
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'description' => 'Defines if a tag is public (visible for all users)',
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'type' => 'int',
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'unsigned' => TRUE,
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'size' => 'tiny',
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'default' => 0,
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),
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'hidden' => array(
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'type' => 'int',
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'description' => 'Defines if a tag should not be displayed and is usually automatically managed',
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'unsigned' => TRUE,
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'size' => 'tiny',
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'default' => 0,
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)
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),
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'primary key' => array('tag_id'),
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'indexes' => array(
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'tag_list' => array('tag_id', 'tag', 'public'),
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),
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);
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$schema['pm_tags_index'] = array(
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'description' => '{pm_tags_index} holds mapping information between tags, threads the users.',
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'fields' => array(
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'tag_id' => array(
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'description' => 'Tag ID',
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'type' => 'int',
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'not null' => TRUE,
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'unsigned' => TRUE,
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),
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'uid' => array(
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'description' => 'ID of the user',
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'type' => 'int',
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'not null' => TRUE,
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'unsigned' => TRUE,
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),
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'thread_id' => array(
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'description' => 'id of the thread',
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'type' => 'int',
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'not null' => TRUE,
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'unsigned' => TRUE,
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),
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),
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'primary key' => array('tag_id', 'uid', 'thread_id'),
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'indexes' => array(
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'thread_tags' => array('uid', 'thread_id'),
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),
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);
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return $schema;
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}
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/**
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* Implements hook_uninstall().
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*/
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function privatemsg_filter_uninstall() {
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variable_del('privatemsg_filter_searchbody');
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variable_del('privatemsg_filter_tagfield_weight');
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variable_del('privatemsg_filter_default_list');
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variable_del('privatemsg_filter_inbox_tag');
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}
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/**
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* Implements hook_enable().
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*/
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function privatemsg_filter_enable() {
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if (!($tag_id = variable_get('privatemsg_filter_inbox_tag', '')) || db_query('SELECT 1 FROM {pm_tags} WHERE tag_id = :tag_id', array(':tag_id' => $tag_id))->fetchField()) {
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$tag_id = db_insert('pm_tags')
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->fields(array(
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'tag' => 'Inbox',
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'hidden' => 1,
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))
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->execute();
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variable_set('privatemsg_filter_inbox_tag', $tag_id);
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}
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drupal_set_message(t('Visit <a href="!rebuild_url">Rebuild Inbox</a> to tag existing messages to show up in the inbox.', array('!rebuild_url' => url('admin/config/messaging/privatemsg/tags/rebuild'))));
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}
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/**
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* Add hidden flag and create inbox tag.
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*/
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function privatemsg_filter_update_7000() {
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if (!db_field_exists('pm_tags', 'hidden')) {
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db_add_field('pm_tags', 'hidden', array(
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'description' => 'Defines if a tag should not be displayed and is usually automatically managed',
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'type' => 'int',
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'unsigned' => TRUE,
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'size' => 'tiny',
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'default' => 0,
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));
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}
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if (!($tag_id = variable_get('privatemsg_filter_inbox_tag', '')) || (!db_query('SELECT 1 FROM {pm_tags} WHERE tag_id = :tag_id', array(':tag_id' => $tag_id))->fetchField())) {
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$tag_id = db_insert('pm_tags')
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->fields(array(
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'tag' => 'Inbox',
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'hidden' => 1,
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))
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->execute();
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variable_set('privatemsg_filter_inbox_tag', $tag_id);
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}
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}
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/**
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* Add inbox tag to existing inbox messages.
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*/
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function privatemsg_filter_update_7001(&$sandbox) {
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// First run, initialize sandbox.
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if (!isset($sandbox['current_thread_id'])) {
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// If the sandbox is not initialized, check if there are any threads tagged
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// with the inbox tag. If yes, the update did already run.
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if (db_query_range('SELECT 1 FROM {pm_tags_index} WHERE tag_id = :tag_id', 0, 1, array(':tag_id' => variable_get('privatemsg_filter_inbox_tag', 0)))->fetchField()) {
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return;
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}
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$sandbox['current_thread_id'] = 0;
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// Assume that the thread ids are distributed more or less equally over the
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// whole data set. This allows us to calculate the approximate progress.
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$sandbox['max'] = db_query('SELECT MAX(thread_id) FROM {pm_index}')->fetchField();
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}
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// There is no way to know if this update is run before or after
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// privatemsg_update_update_6201() which renames uid to recipient.
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$uid_column = 'uid';
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if (db_field_exists('pm_index', 'recipient')) {
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$uid_column = 'recipient';
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}
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// Fetch the 10 next thread_ids.
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$result = db_query_range('SELECT DISTINCT thread_id FROM {pm_index} WHERE thread_id > :thread_id ORDER BY thread_id ASC', 0, 20, array('thread_id' => $sandbox['current_thread_id']));
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$threads = $result->fetchCol();
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$inbox_tag = variable_get('privatemsg_filter_inbox_tag', '');
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if (!empty($threads)) {
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// By limiting this slow query (having condition with 2 depending subqueries)
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// on a specific set of threads, this allows us to process the slow having
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// part on a relatively small subset of pm_index that can be selected based on
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// the thread_id index.
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$sql = 'SELECT pmi.thread_id, pmi.' . $uid_column . ' AS uid FROM {pm_index} pmi WHERE thread_id IN (:threads) GROUP BY pmi.thread_id, pmi.' . $uid_column . ' HAVING ((SELECT pmf.author FROM {pm_message} pmf WHERE pmf.mid = pmi.thread_id) = pmi.' . $uid_column . ' AND COUNT(pmi.thread_id) > 1) OR (SELECT COUNT(*) FROM {pm_message} pmf INNER JOIN {pm_index} pmif ON (pmf.mid = pmif.mid) WHERE pmif.thread_id = pmi.thread_id AND pmf.author <> pmi.' . $uid_column . ') > 0';
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$result = db_query($sql, array(':threads' => $threads));
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foreach ($result as $row) {
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// Make sure that we don't add a tag to a thread twice,
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// only insert if there is no such tag yet.
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// We duplicate privatemsg_filter_add_tags() here in case
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// privatemsg_filter.module is disabled and therefore not loaded.
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$exists = db_query('SELECT 1 FROM {pm_tags_index} WHERE tag_id = :tag_id AND (uid = :uid AND thread_id = :thread_id)', array(':tag_id' => $inbox_tag, ':uid' => $row->uid, ':thread_id' => $row->thread_id))->fetchField();
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if (!$exists) {
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db_insert('pm_tags_index')
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->fields(array(
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'tag_id' => $inbox_tag,
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'uid' => $row->uid,
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'thread_id' => $row->thread_id,
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))
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->execute();
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}
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}
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$sandbox['current_thread_id'] = max($threads);
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}
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// Set #finished based on sandbox.
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$sandbox['#finished'] = empty($sandbox['max']) ? 1 : ($sandbox['current_thread_id'] / $sandbox['max']);
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}
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