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<?php
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/* $Id: blog_reactions.module,v 1.17 2008/10/06 19:36:30 sanduhrs Exp $ */
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/**
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* Blog reactions
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*
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* Fetch blog reactions from Technorati, Blogsearch and Bloglines
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*
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* @author Stefan Auditor <stefan.auditor@erdfisch.de>
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*/
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/**
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* Implementation of hook_menu().
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*/
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function blog_reactions_menu() {
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$items['admin/settings/blog_reactions'] = array(
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'title' => t('Blog reactions'),
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'description' => t('Change blog reactions settings.'),
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'page callback' => 'drupal_get_form',
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'page arguments' => array('blog_reactions_admin_settings'),
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'access arguments' => array('administer blog reactions'),
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'file' => 'blog_reactions.admin.inc',
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);
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return $items;
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}
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/**
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* Implementation of hook_block().
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*/
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function blog_reactions_block($op = 'list', $delta = 0, $edit = array()) {
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if ($op == 'list') {
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$blocks[0] = array(
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'info' => t('Blog reactions'),
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'cache' => BLOCK_CACHE_PER_PAGE,
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);
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return $blocks;
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}
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else if ($op == 'configure' && $delta == 0) {
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$form['items'] = array(
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'#type' => 'select',
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'#title' => t('Number of items'),
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'#default_value' => variable_get('blog_reactions_block_items', 10),
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'#options' => drupal_map_assoc(array('0', '10', '20', '30', '40', '50', '60', '70', '80', '90', '100')),
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'#description' => t('Number of reactions to show. Choose 0 for no limit.'),
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);
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return $form;
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}
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else if ($op == 'save' && $delta == 0) {
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variable_set('blog_reactions_block_items', $edit['items']);
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}
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else if ($op == 'view') {
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switch($delta) {
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case 0:
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if (arg(0) == 'node' AND is_numeric(arg(1))) {
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$blog_reactions_node_types = variable_get('blog_reactions_node_types', array('blog'));
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if (!in_array($node->type, $blog_reactions_node_types)) {
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$node = node_load(array('nid' => arg(1)));
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$blog_reactions_node_types = variable_get('blog_reactions_node_types', array('blog'));
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$blog_reactions_node_display = variable_get('blog_reactions_node_display', FALSE);
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if (!in_array($node->type, $blog_reactions_node_types) AND !$blog_reactions_node_display) {
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return;
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}
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if (user_access('access blog reactions') || user_access('administer blog reactions')) {
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$block = array(
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'subject' => t('Blog reactions'),
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'content' => blog_reactions_block_1($node->nid),
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);
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}
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}
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}
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break;
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}
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return $block;
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}
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}
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/**
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* Implementation of hook_perm().
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*
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* @return an array of permissions
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*/
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function blog_reactions_perm() {
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return array('administer blog reactions', 'access blog reactions');
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}
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/**
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* Implementation of hook_nodeapi().
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*/
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function blog_reactions_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
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$blog_reactions_node_types = variable_get('blog_reactions_node_types', array('blog'));
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$blog_reactions_node_display = variable_get('blog_reactions_node_display', FALSE);
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if (!in_array($node->type, $blog_reactions_node_types)) {
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return;
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}
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switch ($op) {
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case 'view':
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if ((user_access('access blog reactions') || user_access('administer blog reactions')) && $blog_reactions_node_display && !$a3) {
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$node->content['blog_reactions'] = array(
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'#value' => theme('blog_reactions', $node->blog_reactions['items']),
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'#weight' => 10,
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);
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}
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break;
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case 'load':
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$blog_reactions_node_types = variable_get('blog_reactions_node_types', array('blog'));
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if (in_array($node->type, $blog_reactions_node_types)) {
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$node->blog_reactions['items'] = blog_reactions_get_items($node->nid);
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$node->blog_reactions['last_update'] = blog_reactions_last_update($node->nid);
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}
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break;
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}
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}
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/**
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* Block to display reactions
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*/
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function blog_reactions_block_1($nid) {
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$node = node_load(array('nid' => $nid));
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return theme('blog_reactions_block', $node->blog_reactions['items']);
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}
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/**
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* Load all reactions on a node
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*/
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function blog_reactions_get_items($nid, $limit = 0) {
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if (!$limit) {
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$result = db_query("SELECT * FROM {blog_reactions} WHERE nid=%d ORDER BY published DESC", $nid);
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}
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else {
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$result = db_query_range("SELECT * FROM {blog_reactions} WHERE nid=%d ORDER BY published DESC", $nid, 0, $limit);
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}
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while ($reaction = db_fetch_object($result)) {
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$reactions[$reaction->brid]->brid = $reaction->brid;
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$reactions[$reaction->brid]->title = $reaction->title;
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$reactions[$reaction->brid]->link = array(
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'rel' => $reaction->rel,
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'href' => $reaction->href,
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'content_type' => $reaction->content_type,
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);
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$reactions[$reaction->brid]->comments = $reaction->comments;
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$reactions[$reaction->brid]->content = $reaction->content;
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$reactions[$reaction->brid]->source = array(
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$reaction->author,
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$reaction->uri,
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);
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$reactions[$reaction->brid]->published = $reaction->published;
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$reactions[$reaction->brid]->updated = $reaction->updated;
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}
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return $reactions ? $reactions : array();
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}
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/**
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* Save multiple reaction items
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*/
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function blog_reactions_set_items($reactions = array()) {
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foreach ($reactions as $key => $item) {
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$exists = blog_reactions_item_exists($item->brid);
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if ($exists) {
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blog_reactions_update_item($item);
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}
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else {
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blog_reactions_set_item($item);
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}
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}
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}
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/**
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* Check last update time
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*/
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function blog_reactions_last_update($nid) {
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return db_result(db_query("SELECT timestamp FROM {blog_reactions} WHERE nid=%d LIMIT 1", $nid));
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}
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/**
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* Save single reaction item
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*/
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function blog_reactions_set_item($item) {
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return db_query("INSERT INTO {blog_reactions} (nid, brid, service, title, rel, href, content_type, comments, content, author, uri, published, updated, timestamp) VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d)", $item->nid, $item->brid, $item->service, $item->title, $item->link['rel'], $item->link['href'], $item->link['content_type'], $item->comments, $item->content, $item->source['author'], $item->source['uri'], $item->published, $item->updated, time());
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}
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/**
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* Load single reaction item
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*/
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function blog_reactions_get_item($brid) {
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return db_query("SELECT brid FROM {blog_reactions} WHERE brid='%s'", $brid);
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}
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/**
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* Load single reaction item
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*/
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function blog_reactions_item_exists($brid) {
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$result = db_result(db_query("SELECT COUNT(brid) as count FROM {blog_reactions} WHERE brid='%s'", $brid));
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return $result ? TRUE : FALSE;
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}
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/**
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* Update single reaction item
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*/
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function blog_reactions_update_item($item) {
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return db_query("UPDATE {blog_reactions} SET nid=%d, title='%s', rel='%s', href='%s', content_type='%s', comments='%s', author='%s', uri='%s', published=%d, updated=%d, timestamp=%d WHERE brid='%s'", $item->nid, $item->title, $item->link['rel'], $item->link['href'], $item->link['content_type'], $item->comments, $item->source['author'], $item->source['uri'], $item->published, $item->updated, time(), $item->brid);
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}
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/**
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* Fetch XML-feed from Technorati, Blogsearch and Bloglines
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*/
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function blog_reactions_fetch($nid, $uri = NULL) {
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$reactions_technorati = array();
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$reactions_blogsearch = array();
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$reactions_bloglines = array();
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$services = variable_get('blog_reactions_services', array('technorati', 'blogsearch', 'bloglines'));
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if ($services['technorati']) {
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$reactions_technorati = blog_reactions_fetch_technorati($nid, $uri);
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}
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if ($services['blogsearch']) {
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$reactions_blogsearch = blog_reactions_fetch_blogsearch($nid, $uri);
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}
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if ($services['bloglines']) {
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$reactions_bloglines = blog_reactions_fetch_bloglines($nid, $uri);
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}
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$reactions = array_merge($reactions_technorati, $reactions_blogsearch, $reactions_bloglines);
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return $reactions;
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}
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/**
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* Fetch XML-Feed from feeds.technorati.com
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*/
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function blog_reactions_fetch_technorati($nid = NULL, $uri = NULL) {
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$feed_url = 'http://feeds.technorati.com/search/'. ($uri ? $uri : url('node/'. $nid, array('absolute' => TRUE)));
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$comment_url = 'http://technorati.com/search/';
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$response = drupal_http_request($feed_url);
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$xml = simplexml_load_string($response->data);
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$data = array();
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if ($xml->channel->item) {
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foreach ($xml->channel->item as $key => $value) {
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$data["$value->guid"]->nid = $nid;
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$data["$value->guid"]->brid = (string) trim($value->guid);
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$data["$value->guid"]->service = 'technorati';
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$data["$value->guid"]->title = (string) trim($value->title);
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$data["$value->guid"]->link = array(
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'rel' => 'alternative',
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'href' => (string) $value->link,
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'content_type' => 'text/html',
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);
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$data["$value->guid"]->comments = $comment_url .(string) $value->link;
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$data["$value->guid"]->content = (string) trim($value->description);
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$data["$value->guid"]->source = array (
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'author' => (string) trim($value->source),
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'uri' => (string) trim(parse_url($value->link, PHP_URL_HOST)),
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);
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$data["$value->guid"]->published = (integer) strtotime(trim($value->pubDate));
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$data["$value->guid"]->updated = (integer) strtotime(trim($value->pubDate));
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}
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}
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if (($xml->channel->item->title == 'No results' || $xml->channel->item->title == 'No reactions') && strpos($xml->channel->item->link, 'technorati.com')) {
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unset($data);
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}
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return $data ? $data : array();
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}
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/**
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* Fetch XML-Feed from blogsearch.google.com
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*/
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function blog_reactions_fetch_blogsearch($nid = NULL, $uri = NULL) {
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$feed_url = 'http://blogsearch.google.com/blogsearch_feeds?q=link:'. ($uri ? $uri : url('node/'. $nid, array('absolute' => TRUE)));
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$comment_url = 'http://blogsearch.google.com/blogsearch?q=link:';
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$response = drupal_http_request($feed_url);
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$xml = simplexml_load_string($response->data);
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$data = array();
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if ($xml->entry) {
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foreach ($xml->entry as $key => $value) {
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$data["$value->id"]->nid = $nid;
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$data["$value->id"]->brid = (string) trim($value->id);
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$data["$value->id"]->service = 'blogsearch';
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$data["$value->id"]->title = (string) trim($value->title);
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$link = (array) $value->link;
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$data["$value->id"]->link = array(
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'rel' => (string) $link['@attributes']['rel'],
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'href' => (string) $link['@attributes']['href'],
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'content_type' => (string) $link['@attributes']['type'],
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);
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$data["$value->id"]->comments = $comment_url .(string) $link['@attributes']['href'];
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$data["$value->id"]->content = (string) trim($value->content);
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$author = (array) $value->author;
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$data["$value->id"]->source = array (
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'author' => (string) trim($author['name']),
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'uri' => (string) trim($author['uri']),
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);
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$data["$value->id"]->published = (integer) strtotime(trim($value->published));
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$data["$value->id"]->updated = (integer) strtotime(trim($value->updated));
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$data["$value->id"]->link = array(
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'rel' => (string) $link['@attributes']['rel'],
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'href' => (string) $link['@attributes']['href'],
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'content_type' => (string) $link['@attributes']['type'],
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);
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}
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}
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return $data ? $data : array();
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}
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/**
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| 310 |
* Fetch XML-Feed from bloglines.com
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*/
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function blog_reactions_fetch_bloglines($nid = NULL, $uri = NULL) {
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$feed_url = 'http://www.bloglines.com/search?q=bcite:'. ($uri ? $uri : url('node/'. $nid, NULL, NULL, TRUE)) .'&format=rss';
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$comment_url = 'http://www.bloglines.com/search?q=bcite:';
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$response = drupal_http_request($feed_url);
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$xml = simplexml_load_string($response->data);
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$data = array();
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if ($xml->channel->item) {
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foreach ($xml->channel->item as $key => $value) {
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$data["$value->guid"]->nid = $nid;
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$data["$value->guid"]->brid = (string) trim($value->guid);
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$data["$value->guid"]->service = 'bloglines';
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$data["$value->guid"]->title = (string) trim($value->title);
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| 325 |
$data["$value->guid"]->link = array(
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| 326 |
'rel' => 'alternative',
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| 327 |
'href' => (string) $value->link,
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| 328 |
'content_type' => 'text/html',
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);
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$data["$value->guid"]->comments = $comment_url .(string) $value->link;
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$data["$value->guid"]->content = (string) trim($value->description);
|
| 332 |
$data["$value->guid"]->source = array (
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| 333 |
'author' => NULL,
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| 334 |
'uri' => (string) check_plain(trim(parse_url($value->link, PHP_URL_HOST))),
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| 335 |
);
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$data["$value->guid"]->published = (integer) strtotime(trim($value->pubDate));
|
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$data["$value->guid"]->updated = (integer) strtotime(trim($value->pubDate));
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| 338 |
}
|
| 339 |
}
|
| 340 |
|
| 341 |
return $data ? $data : array();
|
| 342 |
}
|
| 343 |
|
| 344 |
/**
|
| 345 |
* Implementation of hook_cron().
|
| 346 |
*/
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| 347 |
function blog_reactions_cron() {
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| 348 |
$limit = variable_get('blog_reactions_cron_quantity', 20);
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| 349 |
$types = variable_get('blog_reactions_node_types', array('blog'));
|
| 350 |
$last_update_nid = variable_get('blog_reactions_last_update_nid', 0);
|
| 351 |
$where = implode("', '", $types);
|
| 352 |
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| 353 |
$result = db_query_range("SELECT DISTINCT(n.nid), MAX(br.timestamp) as timestamp FROM {node} n
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| 354 |
LEFT JOIN {blog_reactions} br ON br.nid = n.nid
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| 355 |
WHERE n.type IN('". $where ."')
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| 356 |
AND n.nid > %d
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| 357 |
GROUP BY n.nid
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| 358 |
ORDER BY n.nid ASC", $last_update_nid, 0, $limit);
|
| 359 |
if (!db_affected_rows()) {
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| 360 |
variable_set('blog_reactions_last_update_nid', 0);
|
| 361 |
}
|
| 362 |
while ($row = db_fetch_object($result)) {
|
| 363 |
$uri = url('node/'. $row->nid, array('absolute' => TRUE));
|
| 364 |
$reactions = blog_reactions_fetch($row->nid, $uri);
|
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blog_reactions_set_items($reactions);
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watchdog('blog_reactions', t('Node !nid has been updated', array('!nid' => $row->nid)), WATCHDOG_NOTICE, l('View', 'node/'. $row->nid));
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variable_set('blog_reactions_last_update_nid', $row->nid);
|
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}
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| 369 |
}
|
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|
| 371 |
/**
|
| 372 |
* Implementation of hook_theme().
|
| 373 |
*/
|
| 374 |
function blog_reactions_theme($existing, $type, $theme, $path) {
|
| 375 |
return array(
|
| 376 |
'blog_reactions' => array(
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| 377 |
'arguments' => array('data' => NULL),
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| 378 |
),
|
| 379 |
'blog_reactions_item' => array(
|
| 380 |
'arguments' => array('data' => NULL),
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| 381 |
),
|
| 382 |
'blog_reactions_block' => array(
|
| 383 |
'arguments' => array('data' => NULL),
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| 384 |
),
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| 385 |
'blog_reactions_block_item' => array(
|
| 386 |
'arguments' => array('data' => NULL),
|
| 387 |
),
|
| 388 |
);
|
| 389 |
}
|
| 390 |
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| 391 |
/**
|
| 392 |
* Theme container for all reactions
|
| 393 |
*/
|
| 394 |
function theme_blog_reactions($data = array()) {
|
| 395 |
$blog_reactions_quantity = variable_get('blog_reactions_quantity', 0);
|
| 396 |
if ($blog_reactions_quantity && count($data)) {
|
| 397 |
$result = array_chunk($data, $blog_reactions_quantity, TRUE);
|
| 398 |
$data = $result[0];
|
| 399 |
}
|
| 400 |
$output = '<div class="blog-reactions">';
|
| 401 |
$output .= '<h3 class="title">'. t('Blog reactions') .'</h3>';
|
| 402 |
foreach ($data as $key => $values) {
|
| 403 |
$elements .= theme('blog_reactions_item', $values);
|
| 404 |
}
|
| 405 |
$output .= $elements ? $elements : t('No reactions yet.');
|
| 406 |
$output .= '</div>';
|
| 407 |
return $output;
|
| 408 |
}
|
| 409 |
|
| 410 |
/**
|
| 411 |
* Theme a reaction item
|
| 412 |
*/
|
| 413 |
function theme_blog_reactions_item($data) {
|
| 414 |
$output = '<div class="blog-reactions-item">';
|
| 415 |
$output .= '<div class="reaction">';
|
| 416 |
$output .= '<div class="title">'. l($data->title ? strip_tags($data->title) : 'n/a', url($data->link['href'])) .'</div>';
|
| 417 |
$output .= '<span class="submitted">'. format_date($data->published, 'medium') .' — </span>';
|
| 418 |
$output .= '<span class="description">'. truncate_utf8(strip_tags($data->content), 180, TRUE, TRUE) .'</span>';
|
| 419 |
$output .= '</div>';
|
| 420 |
$output .= '</div>';
|
| 421 |
return $output;
|
| 422 |
}
|
| 423 |
|
| 424 |
/**
|
| 425 |
* Theme container for all reactions
|
| 426 |
*/
|
| 427 |
function theme_blog_reactions_block($data = array()) {
|
| 428 |
$blog_reactions_block_items = variable_get('blog_reactions_block_items', 10);
|
| 429 |
|
| 430 |
$output = '<div class="blog-reactions-block">';
|
| 431 |
if (count($data)) {
|
| 432 |
if ($blog_reactions_block_items) {
|
| 433 |
$result = array_chunk($data, $blog_reactions_block_items, TRUE);
|
| 434 |
$data = $result[0];
|
| 435 |
}
|
| 436 |
|
| 437 |
foreach ($data as $key => $values) {
|
| 438 |
$output .= theme('blog_reactions_block_item', $values);
|
| 439 |
}
|
| 440 |
}
|
| 441 |
else {
|
| 442 |
$output .= t('No reactions yet.');
|
| 443 |
}
|
| 444 |
$output .= '</div>';
|
| 445 |
return $output;
|
| 446 |
}
|
| 447 |
|
| 448 |
/**
|
| 449 |
* Theme a reaction item
|
| 450 |
*/
|
| 451 |
function theme_blog_reactions_block_item($data) {
|
| 452 |
$items[] = l($data->title ? strip_tags($data->title) : 'n/a', url($data->link['href'])) .'<br />'. t('@time ago', array('@time' => format_interval(time() - $data->published)));
|
| 453 |
return theme('item_list', $items);
|
| 454 |
}
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