<?php
function forum_help($section) {
switch ($section) {
case 'admin/help#forum':
$output = '<p>'. t('The forum module lets you create threaded discussion forums for a particular topic on your site. This is similar to a message board system such as phpBB. Forums are very useful because they allow community members to discuss topics with one another, and they are archived for future reference.') .'</p>';
$output .= '<p>'. t('Forums can be organized under what are called <em>containers</em>. Containers hold forums and, in turn, forums hold threaded discussions. Both containers and forums can be placed inside other containers and forums. By planning the structure of your containers and forums well, you make it easier for users to find a topic area of interest to them. Forum topics can be moved by selecting a different forum and can be left in the existing forum by selecting <em>leave a shadow copy</em>. Forum topics can also have their own URL.') .'</p>';
$output .= '<p>'. t('Forums module <strong>requires Taxonomy and Comments module</strong> be enabled.') .'</p>';
$output .= '<p>'. t('For more information please read the configuration and customization handbook <a href="@forum">Forum page</a>.', array('@forum' => 'http://drupal.org/handbook/modules/forum/')) .'</p>';
return $output;
case 'admin/content/forum':
return '<p>'. t('This is a list of existing containers and forums that you can edit. Containers hold forums and, in turn, forums hold threaded discussions. Both containers and forums can be placed inside other containers and forums. By planning the structure of your containers and forums well, you make it easier for users to find a topic area of interest to them.') .'</p>';
case 'admin/content/forum/add/container':
return '<p>'. t('Containers help you organize your forums. The job of a container is to hold, or contain, other forums that are related. For example, a container named "Food" might hold two forums named "Fruit" and "Vegetables".') .'</p>';
case 'admin/content/forum/add/forum':
return '<p>'. t('A forum holds discussion topics that are related. For example, a forum named "Fruit" might contain topics titled "Apples" and "Bananas".') .'</p>';
case 'admin/content/forum/settings':
return '<p>'. t('These settings provide the ability to fine tune the display of your forum topics.') .'</p>';
}
}
function forum_menu($may_cache) {
$items = array();
if ($may_cache) {
$items[] = array('path' => 'forum',
'title' => t('Forums'),
'callback' => 'forum_page',
'access' => user_access('access content'),
'type' => MENU_SUGGESTED_ITEM);
$items[] = array('path' => 'admin/content/forum',
'title' => t('Forums'),
'description' => t('Control forums and their hierarchy and change forum settings.'),
'callback' => 'forum_overview',
'access' => user_access('administer forums'),
'type' => MENU_NORMAL_ITEM);
$items[] = array('path' => 'admin/content/forum/list',
'title' => t('List'),
'access' => user_access('administer forums'),
'type' => MENU_DEFAULT_LOCAL_TASK,
'weight' => -10);
$items[] = array('path' => 'admin/content/forum/add/container',
'title' => t('Add container'),
'callback' => 'forum_form_main',
'callback arguments' => array('container'),
'access' => user_access('administer forums'),
'type' => MENU_LOCAL_TASK);
$items[] = array('path' => 'admin/content/forum/add/forum',
'title' => t('Add forum'),
'callback' => 'forum_form_main',
'callback arguments' => array('forum'),
'access' => user_access('administer forums'),
'type' => MENU_LOCAL_TASK);
$items[] = array('path' => 'admin/content/forum/settings',
'title' => t('Settings'),
'callback' => 'drupal_get_form',
'callback arguments' => array('forum_admin_settings'),
'weight' => 5,
'access' => user_access('administer forums'),
'type' => MENU_LOCAL_TASK);
}
elseif (is_numeric(arg(5))) {
$term = taxonomy_get_term(arg(5));
if ($term) {
$items[] = array('path' => 'admin/content/forum/edit/container',
'title' => t('Edit container'),
'callback' => 'forum_form_main',
'callback arguments' => array('container', (array)$term),
'access' => user_access('administer forums'),
'type' => MENU_CALLBACK);
$items[] = array('path' => 'admin/content/forum/edit/forum',
'title' => t('Edit forum'),
'callback' => 'forum_form_main',
'callback arguments' => array('forum', (array)$term),
'access' => user_access('administer forums'),
'type' => MENU_CALLBACK);
}
}
return $items;
}
function forum_node_info() {
return array(
'forum' => array(
'name' => t('Forum topic'),
'module' => 'forum',
'description' => t('Create a new topic for discussion in the forums.'),
'title_label' => t('Subject'),
)
);
}
function forum_access($op, $node) {
global $user;
if ($op == 'create') {
return user_access('create forum topics');
}
if ($op == 'update' || $op == 'delete') {
if (user_access('edit own forum topics') && ($user->uid == $node->uid)) {
return TRUE;
}
}
}
function forum_perm() {
return array('create forum topics', 'edit own forum topics', 'administer forums');
}
function forum_nodeapi(&$node, $op, $teaser, $page) {
switch ($op) {
case 'delete revision':
db_query('DELETE FROM {forum} WHERE vid = %d', $node->vid);
break;
}
}
function forum_taxonomy($op, $type, $term = NULL) {
if ($op == 'delete' && $term['vid'] == _forum_get_vid()) {
switch ($type) {
case 'term':
$results = db_query('SELECT f.nid FROM {forum} f WHERE f.tid = %d', $term['tid']);
while ($node = db_fetch_object($results)) {
node_delete($node->nid);
}
$containers = variable_get('forum_containers', array());
$key = array_search($term['tid'], $containers);
if ($key !== FALSE) {
unset($containers[$key]);
}
variable_set('forum_containers', $containers);
break;
case 'vocabulary':
variable_del('forum_nav_vocabulary');
}
}
}
function forum_admin_settings() {
$form = array();
$number = drupal_map_assoc(array(5, 10, 15, 20, 25, 30, 35, 40, 50, 60, 80, 100, 150, 200, 250, 300, 350, 400, 500));
$form['forum_hot_topic'] = array('#type' => 'select',
'#title' => t('Hot topic threshold'),
'#default_value' => variable_get('forum_hot_topic', 15),
'#options' => $number,
'#description' => t('The number of posts a topic must have to be considered hot.'),
);
$number = drupal_map_assoc(array(10, 25, 50, 75, 100));
$form['forum_per_page'] = array('#type' => 'select',
'#title' => t('Topics per page'),
'#default_value' => variable_get('forum_per_page', 25),
'#options' => $number,
'#description' => t('The default number of topics displayed per page; links to browse older messages are automatically being displayed.'),
);
$forder = array(1 => t('Date - newest first'), 2 => t('Date - oldest first'), 3 => t('Posts - most active first'), 4=> t('Posts - least active first'));
$form['forum_order'] = array('#type' => 'radios',
'#title' => t('Default order'),
'#default_value' => variable_get('forum_order', '1'),
'#options' => $forder,
'#description' => t('The default display order for topics.'),
);
return system_settings_form($form);
}
function forum_form_alter($form_id, &$form) {
if ($form_id == 'taxonomy_form_vocabulary') {
if ($form['vid']['#value'] == _forum_get_vid()) {
$form['help_forum_vocab'] = array(
'#value' => t('This is the designated forum vocabulary. Some of the normal vocabulary options have been removed.'),
'#weight' => -1,
);
$form['nodes']['forum'] = array('#type' => 'checkbox', '#value' => 1, '#title' => t('forum topic'), '#attributes' => array('disabled' => '' ), '#description' => t('forum topic is affixed to the forum vocabulary.'));
$form['hierarchy'] = array('#type' => 'value', '#value' => 1);
unset($form['relations']);
unset($form['tags']);
unset($form['multiple']);
$form['required'] = array('#type' => 'value', '#value' => 1);
}
else {
unset($form['nodes']['forum']);
}
}
}
function forum_load($node) {
$forum = db_fetch_object(db_query('SELECT * FROM {forum} WHERE vid = %d', $node->vid));
return $forum;
}
function forum_block($op = 'list', $delta = 0, $edit = array()) {
switch ($op) {
case 'list':
$blocks[0]['info'] = t('Active forum topics');
$blocks[1]['info'] = t('New forum topics');
return $blocks;
case 'configure':
$form['forum_block_num_'. $delta] = array('#type' => 'select', '#title' => t('Number of topics'), '#default_value' => variable_get('forum_block_num_'. $delta, '5'), '#options' => drupal_map_assoc(array(2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)));
return $form;
case 'save':
variable_set('forum_block_num_'. $delta, $edit['forum_block_num_'. $delta]);
break;
case 'view':
if (user_access('access content')) {
switch ($delta) {
case 0:
$title = t('Active forum topics');
$sql = db_rewrite_sql("SELECT n.nid, n.title, l.comment_count, l.last_comment_timestamp FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid WHERE n.status = 1 AND n.type = 'forum' ORDER BY l.last_comment_timestamp DESC");
$result = db_query_range($sql, 0, variable_get('forum_block_num_0', '5'));
if (db_num_rows($result)) {
$content = node_title_list($result);
}
break;
case 1:
$title = t('New forum topics');
$sql = db_rewrite_sql("SELECT n.nid, n.title, l.comment_count FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid WHERE n.type = 'forum' AND n.status = 1 ORDER BY n.nid DESC");
$result = db_query_range($sql, 0, variable_get('forum_block_num_1', '5'));
if (db_num_rows($result)) {
$content = node_title_list($result);
}
break;
}
if ($content) {
$content .= '<div class="more-link">'. l(t('more'), 'forum', array('title' => t('Read the latest forum topics.'))) .'</div>';
}
$block['subject'] = $title;
$block['content'] = $content;
return $block;
}
}
}
function forum_view(&$node, $teaser = FALSE, $page = FALSE) {
drupal_add_css(drupal_get_path('module', 'forum') .'/forum.css');
if ($page) {
$vocabulary = taxonomy_get_vocabulary(variable_get('forum_nav_vocabulary', ''));
$breadcrumb = array();
$breadcrumb[] = array('path' => 'forum', 'title' => $vocabulary->name);
if ($parents = taxonomy_get_parents_all($node->tid)) {
$parents = array_reverse($parents);
foreach ($parents as $p) {
$breadcrumb[] = array('path' => 'forum/'. $p->tid, 'title' => $p->name);
}
}
$breadcrumb[] = array('path' => 'node/'. $node->nid);
menu_set_location($breadcrumb);
}
$node = node_prepare($node, $teaser);
if (!$teaser) {
$node->content['forum_navigation'] = array(
'#value' => theme('forum_topic_navigation', $node),
'#weight' => 100,
);
}
return $node;
}
function forum_submit(&$node) {
$node->icon = !empty($node->icon) ? $node->icon : '';
if ($node->taxonomy) {
$tree = taxonomy_get_tree(_forum_get_vid());
if ($tree) {
foreach ($tree as $term) {
$forum_terms[] = $term->tid;
}
}
foreach ($node->taxonomy as $term) {
if (in_array($term, $forum_terms)) {
$node->tid = $term;
}
}
$old_tid = db_result(db_query_range("SELECT tid FROM {forum} WHERE nid = %d ORDER BY vid DESC", $node->nid, 0,1));
if ($old_tid) {
if (($node->tid != $old_tid) && $node->shadow) {
$node->taxonomy[] = $old_tid;
}
}
}
}
function forum_validate($node) {
if ($node->taxonomy) {
$vocabulary = variable_get('forum_nav_vocabulary', '');
$containers = variable_get('forum_containers', array());
foreach ($node->taxonomy as $term) {
if (db_result(db_query('SELECT COUNT(*) FROM {term_data} WHERE tid = %d AND vid = %d', $term, $vocabulary))) {
if (in_array($term, $containers)) {
$term = taxonomy_get_term($term);
form_set_error('taxonomy', t('The item %forum is only a container for forums. Please select one of the forums below it.', array('%forum' => $term->name)));
}
}
}
}
}
function forum_update($node) {
if ($node->revision) {
db_query("INSERT INTO {forum} (nid, vid, tid) VALUES (%d, %d, %d)", $node->nid, $node->vid, $node->tid);
}
else {
db_query('UPDATE {forum} SET tid = %d WHERE vid = %d', $node->tid, $node->vid);
}
}
function forum_form(&$node) {
$type = node_get_types('type', $node);
$form['title'] = array('#type' => 'textfield', '#title' => check_plain($type->title_label), '#default_value' => $node->title, '#required' => TRUE, '#weight' => -5);
if ($node->nid) {
$forum_terms = taxonomy_node_get_terms_by_vocabulary($node->nid, _forum_get_vid());
$shadow = (count($forum_terms) > 1);
$form['shadow'] = array('#type' => 'checkbox', '#title' => t('Leave shadow copy'), '#default_value' => $shadow, '#description' => t('If you move this topic, you can leave a link in the old forum to the new forum.'));
}
$form['body_filter']['body'] = array('#type' => 'textarea', '#title' => check_plain($type->body_label), '#default_value' => $node->body, '#rows' => 20, '#required' => TRUE);
$form['body_filter']['format'] = filter_form($node->format);
return $form;
}
function forum_prepare(&$node) {
if (!$node->nid) {
$node->taxonomy[arg(3)]->vid = _forum_get_vid();
$node->taxonomy[arg(3)]->tid = arg(3);
}
}
function forum_insert($node) {
db_query('INSERT INTO {forum} (nid, vid, tid) VALUES (%d, %d, %d)', $node->nid, $node->vid, $node->tid);
}
function forum_delete(&$node) {
db_query('DELETE FROM {forum} WHERE nid = %d', $node->nid);
}
function forum_form_container($edit = array()) {
$form['name'] = array(
'#title' => t('Container name'),
'#type' => 'textfield',
'#default_value' => $edit['name'],
'#maxlength' => 64,
'#description' => t('The container name is used to identify related forums.'),
'#required' => TRUE
);
$form['description'] = array(
'#type' => 'textarea',
'#title' => t('Description'),
'#default_value' => $edit['description'],
'#description' => t('The container description can give users more information about the forums it contains.')
);
$form['parent']['#tree'] = TRUE;
$form['parent'][0] = _forum_parent_select($edit['tid'], t('Parent'), 'container');
$form['weight'] = array('#type' => 'weight',
'#title' => t('Weight'),
'#default_value' => $edit['weight'],
'#description' => t('When listing containers, those with with light (small) weights get listed before containers with heavier (larger) weights. Containers with equal weights are sorted alphabetically.')
);
$form['vid'] = array('#type' => 'hidden',
'#value' => _forum_get_vid());
$form['submit'] = array(
'#type' => 'submit',
'#value' => t('Submit')
);
if ($edit['tid']) {
$form['delete'] = array('#type' => 'submit', '#value' => t('Delete'));
$form['tid'] = array('#type' => 'value', '#value' => $edit['tid']);
}
$form['#base'] = 'forum_form';
return $form;
}
function forum_form_main($type, $edit = array()) {
if ($_POST['op'] == t('Delete') || $_POST['confirm']) {
return drupal_get_form('forum_confirm_delete', $edit['tid']);
}
switch ($type) {
case 'forum':
return drupal_get_form('forum_form_forum', $edit);
break;
case 'container':
return drupal_get_form('forum_form_container', $edit);
break;
}
}
function forum_form_forum($edit = array()) {
$form['name'] = array('#type' => 'textfield',
'#title' => t('Forum name'),
'#default_value' => $edit['name'],
'#maxlength' => 64,
'#description' => t('The forum name is used to identify related discussions.'),
'#required' => TRUE,
);
$form['description'] = array('#type' => 'textarea',
'#title' => t('Description'),
'#default_value' => $edit['description'],
'#description' => t('The forum description can give users more information about the discussion topics it contains.'),
);
$form['parent']['#tree'] = TRUE;
$form['parent'][0] = _forum_parent_select($edit['tid'], t('Parent'), 'forum');
$form['weight'] = array('#type' => 'weight',
'#title' => t('Weight'),
'#default_value' => $edit['weight'],
'#description' => t('When listing forums, those with lighter (smaller) weights get listed before containers with heavier (larger) weights. Forums with equal weights are sorted alphabetically.'),
);
$form['vid'] = array('#type' => 'hidden', '#value' => _forum_get_vid());
$form['submit' ] = array('#type' => 'submit', '#value' => t('Submit'));
if ($edit['tid']) {
$form['delete'] = array('#type' => 'submit', '#value' => t('Delete'));
$form['tid'] = array('#type' => 'hidden', '#value' => $edit['tid']);
}
$form['#base'] = 'forum_form';
return $form;
}
function forum_form_submit($form_id, $form_values) {
if ($form_id == 'forum_form_container') {
$container = TRUE;
$type = t('forum container');
}
else {
$container = FALSE;
$type = t('forum');
}
$status = taxonomy_save_term($form_values);
switch ($status) {
case SAVED_NEW:
if ($container) {
$containers = variable_get('forum_containers', array());
$containers[] = $form_values['tid'];
variable_set('forum_containers', $containers);
}
drupal_set_message(t('Created new @type %term.', array('%term' => $form_values['name'], '@type' => $type)));
break;
case SAVED_UPDATED:
drupal_set_message(t('The @type %term has been updated.', array('%term' => $form_values['name'], '@type' => $type)));
break;
}
return 'admin/content/forum';
}
function forum_confirm_delete($tid) {
$term = taxonomy_get_term($tid);
$form['tid'] = array('#type' => 'value', '#value' => $tid);
$form['name'] = array('#type' => 'value', '#value' => $term->name);
return confirm_form($form, t('Are you sure you want to delete the forum %name?', array('%name' => $term->name)), 'admin/content/forum', t('Deleting a forum or container will delete all sub-forums and associated posts as well. This action cannot be undone.'), t('Delete'), t('Cancel'));
}
function forum_confirm_delete_submit($form_id, $form_values) {
taxonomy_del_term($form_values['tid']);
drupal_set_message(t('The forum %term and all sub-forums and associated posts have been deleted.', array('%term' => $form_values['name'])));
watchdog('content', t('forum: deleted %term and all its sub-forums and associated posts.', array('%term' => $form_values['name'])));
return 'admin/content/forum';
}
function forum_overview() {
$header = array(t('Name'), t('Operations'));
$tree = taxonomy_get_tree(_forum_get_vid());
if ($tree) {
foreach ($tree as $term) {
if (in_array($term->tid, variable_get('forum_containers', array()))) {
$rows[] = array(str_repeat(' -- ', $term->depth) .' '. l($term->name, 'forum/'. $term->tid), l(t('edit container'), 'admin/content/forum/edit/container/'. $term->tid));
}
else {
$rows[] = array(str_repeat(' -- ', $term->depth) .' '. l($term->name, 'forum/'. $term->tid), l(t('edit forum'), 'admin/content/forum/edit/forum/'. $term->tid));
}
}
}
else {
$rows[] = array(array('data' => '<em>' . t('There are no existing containers or forums. You may add some on the <a href="@container">add container</a> or <a href="@forum">add forum</a> pages.', array('@container' => url('admin/content/forum/add/container'), '@forum' => url('admin/content/forum/add/forum'))) . '</em>', 'colspan' => 2));
}
return theme('table', $header, $rows);
}
function _forum_parent_select($tid, $title, $child_type) {
$parents = taxonomy_get_parents($tid);
if ($parents) {
$parent = array_shift($parents);
$parent = $parent->tid;
}
else {
$parent = 0;
}
$children = taxonomy_get_tree(_forum_get_vid(), $tid);
foreach ($children as $child) {
$exclude[] = $child->tid;
}
$exclude[] = $tid;
$tree = taxonomy_get_tree(_forum_get_vid());
$options[0] = '<'. t('root') .'>';
if ($tree) {
foreach ($tree as $term) {
if (!in_array($term->tid, $exclude)) {
$options[$term->tid] = str_repeat(' -- ', $term->depth) . $term->name;
}
}
}
if ($child_type == 'container') {
$description = t('Containers are usually placed at the top (root) level of your forum but you can also place a container inside a parent container or forum.');
}
else if ($child_type == 'forum') {
$description = t('You may place your forum inside a parent container or forum, or at the top (root) level of your forum.');
}
return array('#type' => 'select', '#title' => $title, '#default_value' => $parent, '#options' => $options, '#description' => $description, '#required' => TRUE);
}
function forum_term_path($term) {
return 'forum/'. $term->tid;
}
function _forum_get_vid() {
$vid = variable_get('forum_nav_vocabulary', '');
if (empty($vid)) {
$vid = db_result(db_query("SELECT vid FROM {vocabulary} WHERE module = '%s'", 'forum'));
if (!$vid) {
$edit = array('name' => t('Forums'), 'multiple' => 0, 'required' => 1, 'hierarchy' => 1, 'relations' => 0, 'module' => 'forum', 'weight' => -10, 'nodes' => array('forum' => 1));
taxonomy_save_vocabulary($edit);
$vid = $edit['vid'];
}
variable_set('forum_nav_vocabulary', $vid);
}
return $vid;
}
function _forum_format($topic) {
if ($topic && $topic->timestamp) {
return t('@time ago<br />by !author', array('@time' => format_interval(time() - $topic->timestamp), '!author' => theme('username', $topic)));
}
else {
return t('n/a');
}
}
function forum_get_forums($tid = 0) {
$forums = array();
$_forums = taxonomy_get_tree(variable_get('forum_nav_vocabulary', ''), $tid);
if (count($_forums)) {
$counts = array();
$sql = "SELECT r.tid, COUNT(n.nid) AS topic_count, SUM(l.comment_count) AS comment_count FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid INNER JOIN {term_node} r ON n.nid = r.nid WHERE n.status = 1 AND n.type = 'forum' GROUP BY r.tid";
$sql = db_rewrite_sql($sql);
$_counts = db_query($sql, $forum->tid);
while ($count = db_fetch_object($_counts)) {
$counts[$count->tid] = $count;
}
}
foreach ($_forums as $forum) {
if (in_array($forum->tid, variable_get('forum_containers', array()))) {
$forum->container = 1;
}
if ($counts[$forum->tid]) {
$forum->num_topics = $counts[$forum->tid]->topic_count;
$forum->num_posts = $counts[$forum->tid]->topic_count + $counts[$forum->tid]->comment_count;
}
else {
$forum->num_topics = 0;
$forum->num_posts = 0;
}
$sql = "SELECT ncs.last_comment_timestamp, IF (ncs.last_comment_uid != 0, u2.name, ncs.last_comment_name) AS last_comment_name, ncs.last_comment_uid FROM {node} n INNER JOIN {users} u1 ON n.uid = u1.uid INNER JOIN {term_node} tn ON n.nid = tn.nid INNER JOIN {node_comment_statistics} ncs ON n.nid = ncs.nid INNER JOIN {users} u2 ON ncs.last_comment_uid=u2.uid WHERE n.status = 1 AND n.type='forum' AND tn.tid = %d ORDER BY ncs.last_comment_timestamp DESC";
$sql = db_rewrite_sql($sql);
$topic = db_fetch_object(db_query_range($sql, $forum->tid, 0, 1));
$last_post = new stdClass();
$last_post->timestamp = $topic->last_comment_timestamp;
$last_post->name = $topic->last_comment_name;
$last_post->uid = $topic->last_comment_uid;
$forum->last_post = $last_post;
$forums[$forum->tid] = $forum;
}
return $forums;
}
function _forum_topics_unread($term, $uid) {
$sql = "SELECT COUNT(n.nid) FROM {node} n INNER JOIN {term_node} tn ON n.nid = tn.nid AND tn.tid = %d LEFT JOIN {history} h ON n.nid = h.nid AND h.uid = %d WHERE n.status = 1 AND n.type = 'forum' AND n.created > %d AND h.nid IS NULL";
$sql = db_rewrite_sql($sql);
return db_result(db_query($sql, $term, $uid, NODE_NEW_LIMIT));
}
function forum_get_topics($tid, $sortby, $forum_per_page) {
global $user, $forum_topic_list_header;
$forum_topic_list_header = array(
array('data' => ' ', 'field' => NULL),
array('data' => t('Topic'), 'field' => 'n.title'),
array('data' => t('Replies'), 'field' => 'l.comment_count'),
array('data' => t('Created'), 'field' => 'n.created'),
array('data' => t('Last reply'), 'field' => 'l.last_comment_timestamp'),
);
$order = _forum_get_topic_order($sortby);
for ($i = 0; $i < count($forum_topic_list_header); $i++) {
if ($forum_topic_list_header[$i]['field'] == $order['field']) {
$forum_topic_list_header[$i]['sort'] = $order['sort'];
}
}
$term = taxonomy_get_term($tid);
$sql = db_rewrite_sql("SELECT n.nid, f.tid, n.title, n.sticky, u.name, u.uid, n.created AS timestamp, n.comment AS comment_mode, l.last_comment_timestamp, IF(l.last_comment_uid != 0, cu.name, l.last_comment_name) AS last_comment_name, l.last_comment_uid, l.comment_count AS num_comments FROM {node_comment_statistics} l, {users} cu, {term_node} r, {users} u, {forum} f, {node} n WHERE n.status = 1 AND l.last_comment_uid = cu.uid AND n.nid = l.nid AND n.nid = r.nid AND r.tid = %d AND n.uid = u.uid AND n.vid = f.vid");
$sql .= tablesort_sql($forum_topic_list_header, 'n.sticky DESC,');
$sql .= ', n.created DESC';
$sql_count = db_rewrite_sql("SELECT COUNT(n.nid) FROM {node} n INNER JOIN {term_node} r ON n.nid = r.nid AND r.tid = %d WHERE n.status = 1 AND n.type = 'forum'");
$result = pager_query($sql, $forum_per_page, 0, $sql_count, $tid);
$topics = array();
while ($topic = db_fetch_object($result)) {
if ($user->uid) {
if ($topic->tid != $tid) {
$topic->new = 0;
}
else {
$history = _forum_user_last_visit($topic->nid);
$topic->new_replies = comment_num_new($topic->nid, $history);
$topic->new = $topic->new_replies || ($topic->timestamp > $history);
}
}
else {
$topic->new_replies = 0;
$topic->new = 0;
}
if ($topic->num_comments > 0) {
$last_reply = new stdClass();
$last_reply->timestamp = $topic->last_comment_timestamp;
$last_reply->name = $topic->last_comment_name;
$last_reply->uid = $topic->last_comment_uid;
$topic->last_reply = $last_reply;
}
$topics[] = $topic;
}
return $topics;
}
function _forum_new($tid) {
global $user;
$sql = "SELECT n.nid FROM {node} n LEFT JOIN {history} h ON n.nid = h.nid AND h.uid = %d INNER JOIN {term_node} r ON n.nid = r.nid AND r.tid = %d WHERE n.status = 1 AND n.type = 'forum' AND h.nid IS NULL AND n.created > %d ORDER BY created";
$sql = db_rewrite_sql($sql);
$nid = db_result(db_query_range($sql, $user->uid, $tid, NODE_NEW_LIMIT, 0, 1));
return $nid ? $nid : 0;
}
function forum_page($tid = 0) {
if (!is_numeric($tid)) {
return MENU_NOT_FOUND;
}
$tid = (int)$tid;
drupal_add_css(drupal_get_path('module', 'forum') .'/forum.css');
$forum_per_page = variable_get('forum_per_page', 25);
$sortby = variable_get('forum_order', 1);
$forums = forum_get_forums($tid);
$parents = taxonomy_get_parents_all($tid);
if ($tid && !in_array($tid, variable_get('forum_containers', array()))) {
$topics = forum_get_topics($tid, $sortby, $forum_per_page);
}
return theme('forum_display', $forums, $topics, $parents, $tid, $sortby, $forum_per_page);
}
function theme_forum_display($forums, $topics, $parents, $tid, $sortby, $forum_per_page) {
global $user;
$vocabulary = taxonomy_get_vocabulary(variable_get('forum_nav_vocabulary', ''));
$title = $vocabulary->name;
$breadcrumb = array();
if ($tid) {
$breadcrumb[] = array('path' => 'forum', 'title' => $title);
}
if ($parents) {
$parents = array_reverse($parents);
foreach ($parents as $p) {
if ($p->tid == $tid) {
$title = $p->name;
}
else {
$breadcrumb[] = array('path' => 'forum/'. $p->tid, 'title' => $p->name);
}
}
}
drupal_set_title(check_plain($title));
$breadcrumb[] = array('path' => $_GET['q']);
menu_set_location($breadcrumb);
if (count($forums) || count($parents)) {
$output = '<div id="forum">';
$output .= '<ul>';
if (user_access('create forum topics')) {
$output .= '<li>'. l(t('Post new forum topic.'), "node/add/forum/$tid") .'</li>';
}
else if ($user->uid) {
$output .= '<li>'. t('You are not allowed to post a new forum topic.') .'</li>';
}
else {
$output .= '<li>'. t('<a href="@login">Login</a> to post a new forum topic.', array('@login' => url('user/login', drupal_get_destination()))) .'</li>';
}
$output .= '</ul>';
$output .= theme('forum_list', $forums, $parents, $tid);
if ($tid && !in_array($tid, variable_get('forum_containers', array()))) {
$output .= theme('forum_topic_list', $tid, $topics, $sortby, $forum_per_page);
drupal_add_feed(url('taxonomy/term/'. $tid .'/0/feed'), 'RSS - '. $title);
}
$output .= '</div>';
}
else {
drupal_set_title(t('No forums defined'));
$output = '';
}
return $output;
}
function theme_forum_list($forums, $parents, $tid) {
global $user;
if ($forums) {
$header = array(t('Forum'), t('Topics'), t('Posts'), t('Last post'));
foreach ($forums as $forum) {
if ($forum->container) {
$description = '<div style="margin-left: '. ($forum->depth * 30) ."px;\">\n";
$description .= ' <div class="name">'. l($forum->name, "forum/$forum->tid") ."</div>\n";
if ($forum->description) {
$description .= ' <div class="description">'. filter_xss_admin($forum->description) ."</div>\n";
}
$description .= "</div>\n";
$rows[] = array(array('data' => $description, 'class' => 'container', 'colspan' => '4'));
}
else {
$new_topics = _forum_topics_unread($forum->tid, $user->uid);
$forum->old_topics = $forum->num_topics - $new_topics;
if (!$user->uid) {
$new_topics = 0;
}
$description = '<div style="margin-left: '. ($forum->depth * 30) ."px;\">\n";
$description .= ' <div class="name">'. l($forum->name, "forum/$forum->tid") ."</div>\n";
if ($forum->description) {
$description .= ' <div class="description">'. filter_xss_admin($forum->description) ."</div>\n";
}
$description .= "</div>\n";
$rows[] = array(
array('data' => $description, 'class' => 'forum'),
array('data' => $forum->num_topics . ($new_topics ? '<br />'. l(format_plural($new_topics, '1 new', '@count new'), "forum/$forum->tid", NULL, NULL, 'new') : ''), 'class' => 'topics'),
array('data' => $forum->num_posts, 'class' => 'posts'),
array('data' => _forum_format($forum->last_post), 'class' => 'last-reply'));
}
}
return theme('table', $header, $rows);
}
}
function theme_forum_topic_list($tid, $topics, $sortby, $forum_per_page) {
global $forum_topic_list_header;
$rows = array();
if ($topics) {
foreach ($topics as $topic) {
if ($topic->tid != $tid) {
$rows[] = array(
array('data' => theme('forum_icon', $topic->new, $topic->num_comments, $topic->comment_mode, $topic->sticky), 'class' => 'icon'),
array('data' => check_plain($topic->title), 'class' => 'title'),
array('data' => l(t('This topic has been moved'), "forum/$topic->tid"), 'colspan' => '3')
);
}
else {
$rows[] = array(
array('data' => theme('forum_icon', $topic->new, $topic->num_comments, $topic->comment_mode, $topic->sticky), 'class' => 'icon'),
array('data' => l($topic->title, "node/$topic->nid"), 'class' => 'topic'),
array('data' => $topic->num_comments . ($topic->new_replies ? '<br />'. l(format_plural($topic->new_replies, '1 new', '@count new'), "node/$topic->nid", NULL, NULL, 'new') : ''), 'class' => 'replies'),
array('data' => _forum_format($topic), 'class' => 'created'),
array('data' => _forum_format(isset($topic->last_reply) ? $topic->last_reply : NULL), 'class' => 'last-reply')
);
}
}
}
$output = theme('table', $forum_topic_list_header, $rows);
$output .= theme('pager', NULL, $forum_per_page, 0);
return $output;
}
function theme_forum_icon($new_posts, $num_posts = 0, $comment_mode = 0, $sticky = 0) {
if ($num_posts > variable_get('forum_hot_topic', 15)) {
$icon = $new_posts ? 'hot-new' : 'hot';
}
else {
$icon = $new_posts ? 'new' : 'default';
}
if ($comment_mode == COMMENT_NODE_READ_ONLY || $comment_mode == COMMENT_NODE_DISABLED) {
$icon = 'closed';
}
if ($sticky == 1) {
$icon = 'sticky';
}
$output = theme('image', "misc/forum-$icon.png");
if ($new_posts) {
$output = "<a name=\"new\">$output</a>";
}
return $output;
}
function theme_forum_topic_navigation($node) {
$output = '';
$sql = "SELECT n.nid, n.title, n.sticky, l.comment_count, l.last_comment_timestamp FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid INNER JOIN {term_node} r ON n.nid = r.nid AND r.tid = %d WHERE n.status = 1 AND n.type = 'forum' ORDER BY n.sticky DESC, ". _forum_get_topic_order_sql(variable_get('forum_order', 1));
$result = db_query(db_rewrite_sql($sql), $node->tid);
$stop = 0;
while ($topic = db_fetch_object($result)) {
if ($stop == 1) {
$next = new stdClass();
$next->nid = $topic->nid;
$next->title = $topic->title;
break;
}
if ($topic->nid == $node->nid) {
$stop = 1;
}
else {
$prev = new stdClass();
$prev->nid = $topic->nid;
$prev->title = $topic->title;
}
}
if ($prev || $next) {
$output .= '<div class="forum-topic-navigation clear-block">';
if ($prev) {
$output .= l(t('‹ ') . $prev->title, 'node/'. $prev->nid, array('class' => 'topic-previous', 'title' => t('Go to previous forum topic')));
}
if ($prev && $next) {
$output .= ' ';
}
if (!empty($next)) {
$output .= l($next->title . t(' ›'), 'node/'. $next->nid, array('class' => 'topic-next', 'title' => t('Go to next forum topic')));
}
$output .= '</div>';
}
return $output;
}
function _forum_user_last_visit($nid) {
global $user;
static $history = array();
if (empty($history)) {
$result = db_query('SELECT nid, timestamp FROM {history} WHERE uid = %d', $user->uid);
while ($t = db_fetch_object($result)) {
$history[$t->nid] = $t->timestamp > NODE_NEW_LIMIT ? $t->timestamp : NODE_NEW_LIMIT;
}
}
return isset($history[$nid]) ? $history[$nid] : NODE_NEW_LIMIT;
}
function _forum_get_topic_order($sortby) {
switch ($sortby) {
case 1:
return array('field' => 'l.last_comment_timestamp', 'sort' => 'desc');
break;
case 2:
return array('field' => 'l.last_comment_timestamp', 'sort' => 'asc');
break;
case 3:
return array('field' => 'l.comment_count', 'sort' => 'desc');
break;
case 4:
return array('field' => 'l.comment_count', 'sort' => 'asc');
break;
}
}
function _forum_get_topic_order_sql($sortby) {
$order = _forum_get_topic_order($sortby);
return $order['field'] .' '. $order['sort'];
}