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<?php
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// $Id: ilovethis.module,v 1.5 2007/01/23 15:27:08 finley Exp $
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define('ILOVETHIS_PERM_ADD', 'create ilovethis');
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define('ILOVETHIS_PERM_ADMINISTER', 'administer ilovethis');
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define('ILOVETHIS_PERM_LIST', 'read \'who love this page\' list');
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define('ILOVETHIS_NODE_TYPE', 'ilovethis_node_type_');
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define('ILOVETHIS_PERM_VIEW', 'view ilovethis');
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define('ILOVETHIS_BLOCK', 'ilovethis_block_type_');
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define('ILOVETHIS_BLOCK_LIMIT', 'ilovethis_block_limit');
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define('ILOVETHIS_BLOCK_TITLE', 'ilovethis_block_title');
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define('ILOVETHIS_PAGE_LIMIT', 'ilovethis_page_limit');
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define('ILOVETHIS_PROFILE_LIMIT', 'ilovethis_profile_limit');
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define('ILOVETHIS_PAGE_TYPE', 'ilovethis_page_type');
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function ilovethis_perm() {
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return array( ILOVETHIS_PERM_ADD, ILOVETHIS_PERM_ADMINISTER, ILOVETHIS_PERM_LIST);
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}
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/**
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* Display help and module information
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* @param section which section of the site we're displaying help
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* @return help text for section
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*/
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function ilovethis_help($section='') {
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$output = '';
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switch ($section) {
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case "admin/help#ilovethis":
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$output = '<p>'. t("Allow user say I love this node"). '</p>';
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break;
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}
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return $output;
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}
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function ilovethis_settings() {
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$set = 'page';
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$form[$set] = array(
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'#type' => 'fieldset',
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'#title' => t('I love this Page Settings'),
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'#collapsible' => true,
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'#collapsed' => false,
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);
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$form[$set][ILOVETHIS_PAGE_LIMIT] = array(
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'#type' => 'textfield',
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'#title' => t('I love this Page Limit'),
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'#default_value' => variable_get(ILOVETHIS_PAGE_LIMIT, 10),
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'#description' => t('How many items to display on a single page of marked loved nodes.'),
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);
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$form[$set][ILOVETHIS_PROFILE_LIMIT] = array(
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'#type' => 'textfield',
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'#title' => t('I love this Profile Limit'),
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'#default_value' => variable_get(ILOVETHIS_PROFILE_LIMIT, 3),
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'#description' => t('How many items per type to display on the profile page.'),
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);
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$form[$set][ILOVETHIS_PAGE_TYPE] = array(
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'#type' => 'select',
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'#title' => t('Type of Page Display for Loved Nodes'),
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'#options' => array(
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'table' => 'Table',
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'teasers' => 'Teasers',
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),
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'#default_value' => variable_get(ILOVETHIS_PAGE_TYPE, 'table'),
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'#description' => t('How should loved nodes be displayed on the i love these nodes page?'),
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);
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$set = 'types';
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$form[$set] = array(
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'#type' => 'fieldset',
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'#title' => t('Enable \'I love this\' for these node types'),
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'#collapsible' => true,
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'#collapsed' => false,
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);
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foreach(node_get_types() as $type) {
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$form[$set][ILOVETHIS_NODE_TYPE . $type->type] = array(
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'#type' => 'checkbox',
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'#title' => $type->name,
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'#return_value' => 1,
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'#default_value' => variable_get(ILOVETHIS_NODE_TYPE . $type->type, 0),
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);
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}
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return system_settings_form($form);
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}
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function ilovethis_menu($may_cache) {
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$items = array();
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if ($may_cache) {
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$items[] = array(
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'path' => 'ilovethis/add',
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'callback' => 'ilovethis_add_page',
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'type' => MENU_CALLBACK,
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'access' => user_access(ILOVETHIS_PERM_ADD),
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);
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$items[] = array(
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'path' => 'ilovethis/delete',
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'callback' => 'ilovethis_delete_page',
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'type' => MENU_CALLBACK,
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'access' => user_access(ILOVETHIS_PERM_ADD),
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);
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$items[] = array(
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'path' => 'ilovethis/view',
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'callback' => 'ilovethis_view_page',
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'type' => MENU_NORMAL_ITEM,
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'access' => user_access(ILOVETHIS_PERM_LIST),
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);
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$items[] = array(
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'title' => 'ilovethis settings',
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'path' => 'admin/settings/ilovethis',
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'description' => 'Settings for ilovethis',
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'callback' => 'drupal_get_form',
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'callback arguments' => 'ilovethis_settings',
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'type' => MENU_NORMAL_ITEM,
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'access' => user_access(ILOVETHIS_PERM_ADMINISTER),
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);
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}
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return $items;
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}
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/**
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* Implementation of hook_nodeapi().
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*/
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function ilovethis_nodeapi(&$node, $op, $teaser = NULL, $page = NULL) {
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drupal_add_css(drupal_get_path('module', 'ilovethis') .'/ilovethis.css');
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switch ($op) {
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case 'delete':
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// Delete all loved entries of the node being deleted.
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db_query("DELETE FROM {ilovethis} WHERE nid = %d", $node->nid);
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break;
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case 'view':
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// add widget to the begin of the node body
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$node->content['body']['#value'] = ilovethis_widget($node->type, $node->nid, $view_all = 1). $node->content['body']['#value'];
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break;
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}
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}
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/**
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* Add a loved node.
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*/
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function ilovethis_add($nid) {
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global $user;
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$node = node_load($nid);
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if ($node->nid) {
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db_query("DELETE FROM {ilovethis} WHERE nid = %d AND uid = %d", $nid, $user->uid);
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db_query("INSERT INTO {ilovethis} (nid, uid, last) VALUES (%d, %d, %d)", $nid, $user->uid, time());
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return true;
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} else {
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return false;
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}
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}
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/**
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* Delete a loved node.
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*/
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function ilovethis_delete($nid, $voter) {
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global $user;
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db_query("DELETE FROM {ilovethis} WHERE nid = %d AND uid = %d", $nid, $voter);
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}
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/**
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* Select all the loved nodes a user has.
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*/
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function ilovethis_get($nid) {
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if ($nid)
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{
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if (is_null($limit)) {
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$limit = variable_get(ILOVETHIS_PAGE_LIMIT, 10);
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}
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$row = array();
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$sql = "SELECT i.uid, i.last FROM {ilovethis} i WHERE i.nid = '". $nid."' ORDER by i.last DESC";
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$result = pager_query($sql, $limit);
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if ($result && db_num_rows($result) > 0) {
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while ($data = db_fetch_object($result)) {
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$row[$data->nid.$data->last] = $data;
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}
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}
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}
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return $row;
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}
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/**
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* Page to add a loved node.
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*/
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function ilovethis_add_page() {
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$nid = arg(2);
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if (is_numeric($nid)) {
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$result = ilovethis_add($nid);
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if ($result) {
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drupal_set_message(t('The node was added to your loved pages.'));
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}
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drupal_goto('node/'. $nid);
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}
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drupal_not_found();
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}
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/**
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* Page to delete a loved node.
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*/
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function ilovethis_delete_page() {
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global $user;
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$nid = arg(2);
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$voter = arg(3);
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ilovethis_delete($nid, $voter);
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drupal_set_message(t('The node was deleted from your loved pages'));
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drupal_goto('node/'. $nid);
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}
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/**
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* Page to display a user's loved node list.
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*/
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function ilovethis_view_page() {
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$nid = arg(2);
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$output = theme('ilovethis_view_' . variable_get(ILOVETHIS_PAGE_TYPE, 'table'), ilovethis_get($nid), $nid);
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print theme('page', $output);
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}
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/**
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* Delete loved nodes a user has.
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*/
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function ilovethis_delete_loved($uid) {
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db_query("DELETE FROM {ilovethis} WHERE uid = %d", $uid);
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}
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/**
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* Check if a user already has $nid node in their loved list.
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*/
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function _ilovethis_check($nid) {
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global $user;
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$sql = "SELECT COUNT(*) FROM {ilovethis} WHERE uid = %d AND nid = %d";
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return db_result(db_query($sql, $user->uid, $nid));
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}
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/**
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* Table which displays loved node lists.
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*/
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function theme_ilovethis_view_table($row = array(), $nid) {
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global $user;
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$node = array();
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$node= node_load($nid);
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$header = array( t('User'), t('Added'));
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$rows = array();
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if (isset($row)) {
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unset ($you_love_this);
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foreach($row as $nid => $data) {
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$tmp_sql = "SELECT name FROM {users} WHERE uid = '".$data->uid."'";
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$tmp_res = db_query(db_rewrite_sql($tmp_sql));
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$username = db_fetch_object($tmp_res);
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$username = $username->name;
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$title = array( l($username, "user/".$data->uid) , format_date($data->last, 'custom', 'Y-m-d H:i'));
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if ($user->uid == $data->uid || $user->uid == 1) {
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$delete = array(l(t('delete'), "ilovethis/delete/".$node->nid. "/". $data->uid ));
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$result = array_merge($title, $delete);
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$header = array( t('User'), t('Added'), t('Action'));
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}
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else {
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$result = $title;
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}
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$rows[] = array('data' => $result);
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if ($user->uid == $data->uid){
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$you_love_this=1;
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}
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}
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}
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$output .= '<h2 class=right>'. $node->title.'</h2>'."\n";
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if (count($rows)>0) {
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$output .="<div id='loved_list'>";
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#print row below if you want to give an header to the "lovers" list
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#$output .= '<h3>List of the user who joined this '.$node->type.'</h3>'."\n";
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$output .= theme('table', $header, $rows);
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$output .= theme('pager');
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} else {
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$output .="<div id='loved_list'>";
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$output .="". t("None (yet) loves this" . " " . $node->type)."";
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}
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$output .= "<div style='float:left'>".ilovethis_widget($node->type, $node->nid, $view_all = false)."</div>";
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$output .="</div>";
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$output .="<div id='loved_text'>";
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#print row below if you want to give an header to the "text node
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#$output .="<h3>".t("Text")."</h3>";
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$output .="<div class='content'>".$node->body."</div>";
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$output .="</div>";
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return $output;
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}
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function ilovethis_widget($type, $node = null, $view_all = false) {
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global $user;
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if ( !$teaser) {
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if (variable_get(ILOVETHIS_NODE_TYPE . $type, 0)) {
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$widget ="<div id=ilovethis>";
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$widget .="<div class='ext' ><div class='int' >";
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if (!_ilovethis_check($node)) {
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$widget .= l(t('I love this '.ucfirst ($type)), 'ilovethis/add/'. $node, array('class' => '', 'title' => t('Click here to give your love to this ' . ' '. ucfirst ($type))));
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} else {
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$widget .= l(t('I don\'t love this') ." " . ucfirst ($type) , 'ilovethis/delete/'. $node ."/". $user->uid, array('class' => '', 'title' => t('Click here to remove your love from this'. " " .ucfirst ($type))));
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}
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$widget .="</div></div>";
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if ($view_all==1){
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$widget .="<p>(".l(t('who loves this')." " . ucfirst ($type) ,"ilovethis/view/".$node, array('class' => '', 'title' => t('List of people loving this '. ucfirst ($type)))) .")</p>";
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}
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$widget .= "</div>";
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}
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}
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return $widget;
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}
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