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<?php
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//$Id: nodevote.module,v 1.31.2.1 2008/10/15 16:52:12 kbahey Exp $
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// Copyright 2005 Khalid Baheyeldin http://2bits.com
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define('NODEVOTE_MIN_SCORE', 1);
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define('NODEVOTE_MAX_SCORE', 10);
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define('NODEVOTE_VOTE_DEFAULT', 0);
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define('NODEVOTE_TYPE', 'nodevote_type_');
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define('NODEVOTE_PERM_VIEW', 'view nodevote');
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define('NODEVOTE_PERM_USE', 'use nodevote');
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define('NODEVOTE_VOTE_OWN_NODE', 'nodevote_vote_own_node');
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define('NODEVOTE_CHANGE_VOTE', 'nodevote_change_vote');
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define('NODEVOTE_RESULT_VOTED', 'nodevote_result_voted');
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define('NODEVOTE_RESULT_DISPLAY_PAGE', 'nodevote_result_display_page');
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define('NODEVOTE_RESULT_DISPLAY_TEASER', 'nodevote_result_display_teaser');
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define('NODEVOTE_DAILY_THRESHOLD', 'nodevote_daily_threshold');
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define('NODEVOTE_BLOCK_COUNT', 'nodevote_block_count');
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define('NODEVOTE_HIGHEST_BLOCK_THRESHOLD', 'nodevote_highest_block_threshold');
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define('NODEVOTE_USERPOINTS', 'nodevote_userpoints');
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function nodevote_help($path, $arg) {
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$output = '';
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switch ($path) {
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case 'admin/settings/nodevote':
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$output = t('This module provides the facility to vote on certain node types using several criteria.');
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break;
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}
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return $output;
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}
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function nodevote_menu() {
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$items = array();
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$items['nodevote/%node/add'] = array(
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'page callback' => 'nodevote_page',
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'page arguments' => array(1),
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'title' => t('Nodevote add'),
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'access callback' => 'user_access',
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'access arguments' => array(NODEVOTE_PERM_USE),
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'type' => MENU_CALLBACK
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);
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$items['nodevote/%node'] = array(
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'page callback' => 'nodevote_page',
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'page arguments' => array(1),
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'title' => t('Nodevote view'),
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'access callback' => 'user_access',
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'access arguments' => array(NODEVOTE_PERM_VIEW),
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'type' => MENU_CALLBACK
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);
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$items['admin/settings/nodevote'] = array(
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'title' => t('Nodevote'),
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'description' => t('Change settings for voting on nodes.'),
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'page callback' => 'drupal_get_form',
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'page arguments' => array('nodevote_admin_settings'),
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'access callback' => 'user_access',
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'access arguments' => array('administer site configuration'),
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'type' => MENU_NORMAL_ITEM, // optional
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);
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return $items;
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}
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function nodevote_perm() {
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return array (NODEVOTE_PERM_VIEW, NODEVOTE_PERM_USE);
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}
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function nodevote_admin_settings() {
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$set = 'types';
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$form[$set] = array(
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'#type' => 'fieldset',
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'#title' => t('Enable voting for these node types:'),
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);
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foreach(node_get_types() as $type => $name) {
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$form[$set][NODEVOTE_TYPE . $type] = array(
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'#type' => 'checkbox',
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'#title' => $name->name,
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'#return_value' => 1,
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'#default_value' => variable_get(NODEVOTE_TYPE . $type, '0'),
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);
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}
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$set = 'setting';
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$form[$set] = array(
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'#type' => 'fieldset',
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'#title' => t('Settings'),
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);
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$_display = array(
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0 => t('Text'),
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1 => t('Stars'),
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2 => t('Both')
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);
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$form[$set][NODEVOTE_RESULT_DISPLAY_PAGE]= array(
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'#type' => 'radios',
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'#title' => t('Vote result display (page view)'),
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'#default_value' => variable_get(NODEVOTE_RESULT_DISPLAY_PAGE, 0),
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'#options' => $_display,
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'#description' => t('Select which format the results of the vote will be displayed in when in node view.'));
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$_display = array(
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0 => t('Text'),
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1 => t('Stars'),
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2 => t('Both'),
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3 => t('None'));
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$form[$set][NODEVOTE_RESULT_DISPLAY_TEASER]= array(
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'#type' => 'radios',
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'#title' => t('Vote result display (teaser view)'),
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'#default_value' => variable_get(NODEVOTE_RESULT_DISPLAY_TEASER, 0),
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'#options' => $_display,
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'#description' => t('Select which format the results of the vote will be displayed in when in teaser view.'));
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$set='advance';
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$form[$set] = array(
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'#type' => 'fieldset',
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'#title' => t('Advanced Settings'),
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);
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$form[$set][NODEVOTE_RESULT_VOTED] = array(
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'#type' => 'checkbox',
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'#title' => t('Show vote results only if user has voted on node.'),
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'#return_value' => 1,
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'#default_value' => variable_get(NODEVOTE_RESULT_VOTED, 0),
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);
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$form[$set][NODEVOTE_CHANGE_VOTE] = array(
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'#type' => 'checkbox',
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'#title' => t('Allow user to vote again.'),
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'#return_value' => 1,
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'#default_value' => variable_get(NODEVOTE_CHANGE_VOTE, 0),
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);
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$form[$set][NODEVOTE_VOTE_OWN_NODE] = array(
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'#type' => 'checkbox',
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'#title' => t('Allow user to vote on his own node.'),
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'#return_value' => 1,
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'#default_value' => variable_get(NODEVOTE_VOTE_OWN_NODE, 0),
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);
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$form[$set][NODEVOTE_DAILY_THRESHOLD] = array(
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'#type' => 'select',
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'#title' => t('Daily threshold'),
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'#options' => drupal_map_assoc(array(5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 100, 250)),
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'#default_value' => variable_get(NODEVOTE_DAILY_THRESHOLD, 10),
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'#description' => t('The maximum number of votes a user can cast in a 24 hour period.'),
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);
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$form[$set][NODEVOTE_BLOCK_COUNT] = array(
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'#type' => 'select',
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'#title' => t('Node per block'),
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'#options' => drupal_map_assoc(array(3, 5, 7, 10, 15, 20, 25)),
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'#default_value' => variable_get(NODEVOTE_BLOCK_COUNT, 3),
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'#description' => t('Number of nodes to show in blocks.'),
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);
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$form[$set][NODEVOTE_HIGHEST_BLOCK_THRESHOLD] = array(
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'#type' => 'select',
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'#title' => t('Highest block vote threshold'),
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'#options' => drupal_map_assoc(array(3, 5, 7, 10, 15, 20, 25)),
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'#default_value' => variable_get(NODEVOTE_HIGHEST_BLOCK_THRESHOLD, 3),
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'#description' => t('Nodes must have the given number of votes before they show in the highest block.'),
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);
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return system_settings_form($form);
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}
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/**
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* Check if the current voter has cast his maximum daily votes.
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* The user is allowed to vote if he did not exceed the threshold.
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*
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* @param $uid
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* The the ID of the voting user.
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* @param $threshold
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* The maximum number votes allowed (per user) in a 24-hour period.
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* @return
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* True if the user did not exceed the threshold. False otherwise.
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*/
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function _nodevote_within_threshold($uid, $threshold) {
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$number = db_result(db_query("SELECT count(uid) FROM {nodevote} WHERE uid = '%s' AND timestamp > '%d'", $uid, time() - 86400));
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return ($number < $threshold ? TRUE : FALSE);
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}
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function nodevote_link($type, $node, $teaser = FALSE) {
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if ($type == 'node' && $teaser) {
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if (_nodevote_is_votable($node)) {
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$links['nodevote_link'] = array(
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'title' => t('Vote on it'),
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'href' => "node/$node->nid"
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);
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}
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}
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return $links;
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}
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function nodevote_user($op) {
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global $user;
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switch($op) {
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case 'delete':
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db_query('DELETE FROM {nodevote} WHERE uid = %d', $user->uid);
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break;
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}
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}
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function nodevote_block($op = 'list', $delta = 0, $edit = array()) {
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$num = variable_get(NODEVOTE_BLOCK_COUNT, 3);
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$threshold = variable_get(NODEVOTE_HIGHEST_BLOCK_THRESHOLD, 3);
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$block_title = array();
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$block_title[] = t('Most voted for nodes');
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$block_title[] = t('Highest rated nodes');
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$block_title[] = t('Most voting users');
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switch ($op) {
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case 'list':
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$blocks[0]['info'] = $block_title[0];
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$blocks[1]['info'] = $block_title[1];
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$blocks[2]['info'] = $block_title[2];
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return $blocks;
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case 'view':
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if (user_access(NODEVOTE_PERM_VIEW)) {
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switch ($delta) {
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case 0:
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$title = $block_title[$delta];
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$sql = 'SELECT n.nid, n.title, COUNT(*) AS num_votes
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FROM {node} n, {nodevote} nv
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WHERE n.nid = nv.nid
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GROUP BY n.nid
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ORDER BY num_votes DESC';
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$content = node_title_list(db_query_range($sql, 0, $num));
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break;
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case 1:
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$title = $block_title[$delta];
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$sql = 'SELECT n.nid, n.title, AVG(vote) AS av_avg
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FROM {node} n, {nodevote} nv
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WHERE n.nid = nv.nid
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GROUP BY n.nid
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HAVING COUNT(*) >= %d
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ORDER BY av_avg DESC';
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$content = node_title_list(db_query_range($sql, $threshold, 0, $num));
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break;
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case 2:
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$title = $block_title[$delta];
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$result = db_query_range('SELECT nv.uid, u.name, COUNT(*) AS num_votes
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FROM {nodevote} nv, {users} u
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WHERE u.uid = nv.uid
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GROUP BY nv.uid
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ORDER BY num_votes DESC', 0, $num);
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while ($account = db_fetch_object($result)) {
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$items[] = $account;
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}
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$content = theme('user_list', $items);
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break;
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}
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$block['subject'] = $title;
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$block['content'] = $content;
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return $block;
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}
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}
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}
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function nodevote_page($node) {
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global $user;
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$edit = $_POST;
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$op = arg(2);
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switch($op) {
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case 'add':
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$vote = $edit['vote'];
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if (_nodevote_validate_vote($vote)) {
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if (_nodevote_user_voted($user->uid, $node->nid)){
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$result = db_query("UPDATE {nodevote} SET vote = %d WHERE uid = %d AND nid = %d", $vote, $user->uid , $node->nid);
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}
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else {
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// check to see if the user has voted too many times today
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if(_nodevote_within_threshold($user->uid, variable_get(NODEVOTE_DAILY_THRESHOLD, 10))) {
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// log the vote
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$result = db_query("INSERT INTO {nodevote} VALUES (%d, %d, %d, %d)", $user->uid, $node->nid, $vote, time());
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// do the userpoints dance
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nodevote_do_userpoints();
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}
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else {
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// if they've voted too many times today, show a message
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$output = t("You can only vote %number times in 24 hours. Please try again later.", array('%number' => variable_get(NODEVOTE_DAILY_THRESHOLD, 10)));
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drupal_set_message($output, 'error');
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}
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$o = l(t('Back to node'), 'node/' . $node->nid);
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}
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drupal_goto("node/" . $node->nid);
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}
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else {
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drupal_set_message(t('You must select a valid vote score.'), 'error');
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}
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$o = l(t('Back to node'), 'node/' . $node->nid);
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break;
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case 'view':
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default:
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if (_nodevote_vote_is_visible($node)) {
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$vote_data = _nodevote_get_vote_data($node->nid);
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$o = theme('nodevote_display_vote', $vote_data);
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}
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break;
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}
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print theme('page', $o);
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}
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function nodevote_nodeapi(&$node, $op, $teaser, $page) {
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global $user;
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switch($op) {
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case 'load':
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if (variable_get(NODEVOTE_TYPE . $node->type, '0')) {
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| 319 |
if (_nodevote_vote_is_visible($node)) {
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| 320 |
$extra['nodevote']->vote_display = 1;
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}
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| 322 |
if (_nodevote_is_votable($node)) {
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| 323 |
$extra['nodevote']->vote_do = 1;
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}
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}
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return $extra;
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| 328 |
case 'view':
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| 329 |
if (variable_get(NODEVOTE_TYPE . $node->type, 0)) {
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| 330 |
if ($node->nodevote->vote_display) {
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| 331 |
$vote_data = _nodevote_get_vote_data($node->nid, $page);
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| 332 |
$node->content['nodevote_display'] = array(
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'#value' => theme('nodevote_display_vote', $vote_data),
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| 334 |
'#weight' => 10,
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| 335 |
);
|
| 336 |
}
|
| 337 |
}
|
| 338 |
|
| 339 |
if ($page) {
|
| 340 |
if ($node->nodevote->vote_do) {
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| 341 |
$vote = theme('nodevote_do_vote', $node);
|
| 342 |
$node->content['nodevote'] = array(
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| 343 |
'#value' => $vote,
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| 344 |
);
|
| 345 |
}
|
| 346 |
}
|
| 347 |
break;
|
| 348 |
|
| 349 |
case 'alter':
|
| 350 |
if(!$page) {
|
| 351 |
if (variable_get(NODEVOTE_RESULT_DISPLAY_TEASER, 0) != 3) {
|
| 352 |
$data = _nodevote_get_vote_data($node->nid, $page);
|
| 353 |
$node->content['nodevote_result'] = array(
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| 354 |
'#value' => theme('nodevote_display_vote', $vote_data),
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| 355 |
'#weight' => 10,
|
| 356 |
);
|
| 357 |
}
|
| 358 |
}
|
| 359 |
break;
|
| 360 |
|
| 361 |
case 'delete':
|
| 362 |
db_query('DELETE FROM {nodevote} WHERE nid = %d', $node->nid);
|
| 363 |
break;
|
| 364 |
}
|
| 365 |
}
|
| 366 |
|
| 367 |
function _nodevote_user_voted($uid, $nid) {
|
| 368 |
if (db_result(db_query('SELECT count(nid) FROM {nodevote} WHERE uid = %d AND nid = %d', $uid, $nid))) {
|
| 369 |
return TRUE;
|
| 370 |
}
|
| 371 |
else {
|
| 372 |
return FALSE;
|
| 373 |
}
|
| 374 |
}
|
| 375 |
|
| 376 |
function _nodevote_get_vote_data($nid, $page = TRUE) {
|
| 377 |
$result = db_fetch_array(db_query('SELECT COUNT(*) AS votes, AVG(vote) AS score FROM {nodevote} WHERE nid = %d', $nid));
|
| 378 |
|
| 379 |
$score = $result['score'];
|
| 380 |
$votes = $result['votes'];
|
| 381 |
|
| 382 |
if ($page) {
|
| 383 |
$vote_display = variable_get(NODEVOTE_RESULT_DISPLAY_PAGE, 0);
|
| 384 |
}
|
| 385 |
else {
|
| 386 |
$vote_display = variable_get(NODEVOTE_RESULT_DISPLAY_TEASER, 0);
|
| 387 |
}
|
| 388 |
|
| 389 |
return array('score' => $score, 'votes' => $votes, 'vote_display' => $vote_display);
|
| 390 |
}
|
| 391 |
|
| 392 |
function theme_nodevote_display_vote($vote_data) {
|
| 393 |
$score = $vote_data['score'];
|
| 394 |
$votes = $vote_data['votes'];
|
| 395 |
$vote_display = $vote_data['vote_display'];
|
| 396 |
|
| 397 |
switch($vote_display) {
|
| 398 |
case 1:
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| 399 |
$result = _nodevote_display_stars($votes, $score);
|
| 400 |
break;
|
| 401 |
|
| 402 |
case 2:
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| 403 |
$result = _nodevote_display_stars($votes, $score);
|
| 404 |
$result .= _nodevote_display_number($votes, $score);
|
| 405 |
break;
|
| 406 |
|
| 407 |
case 0:
|
| 408 |
default:
|
| 409 |
$result = _nodevote_display_number($votes, $score);
|
| 410 |
break;
|
| 411 |
}
|
| 412 |
|
| 413 |
$output .= '<div id="nodevote result">';
|
| 414 |
$output .= '<h3>' . t('Vote Result') . '</h3>';
|
| 415 |
$output .= $result;
|
| 416 |
$output .= '</div>';
|
| 417 |
|
| 418 |
return $output;
|
| 419 |
}
|
| 420 |
|
| 421 |
function _nodevote_display_number($votes, $score) {
|
| 422 |
return '<br/>' . t('Score: @score, Votes: @votes', array('@votes' => $votes, '@score' => number_format($score, 1)));
|
| 423 |
}
|
| 424 |
|
| 425 |
function _nodevote_display_stars($votes, $score) {
|
| 426 |
global $base_path;
|
| 427 |
for ($i = 1; $i< NODEVOTE_MAX_SCORE+1; $i++) {
|
| 428 |
if ($score >= $i) {
|
| 429 |
$val = 'on';
|
| 430 |
$alt = '+';
|
| 431 |
}
|
| 432 |
else {
|
| 433 |
$val = 'off';
|
| 434 |
$alt = '-';
|
| 435 |
}
|
| 436 |
$stars .='<img src="' . $base_path . drupal_get_path('module', 'nodevote') . '/star_' . $val . '.png" alt="' . $alt . '" />';
|
| 437 |
};
|
| 438 |
|
| 439 |
return $stars;
|
| 440 |
}
|
| 441 |
|
| 442 |
function _nodevote_is_votable($node) {
|
| 443 |
global $user;
|
| 444 |
|
| 445 |
$ret = FALSE;
|
| 446 |
|
| 447 |
// Is user logged in?
|
| 448 |
if ($user->uid) {
|
| 449 |
// Is node type votable?
|
| 450 |
if (variable_get(NODEVOTE_TYPE . $node->type, 0)) {
|
| 451 |
// Does the user has permission to vote?
|
| 452 |
if (user_access(NODEVOTE_PERM_USE)) {
|
| 453 |
// Is the node posted by someone else?
|
| 454 |
if (($node->uid != $user->uid) || (variable_get(NODEVOTE_VOTE_OWN_NODE, 0))) {
|
| 455 |
// Did the user already vote on this node?
|
| 456 |
if ((!_nodevote_user_voted($user->uid, $node->nid)) || (variable_get(NODEVOTE_CHANGE_VOTE, 0))){
|
| 457 |
$ret = TRUE;
|
| 458 |
}
|
| 459 |
}
|
| 460 |
}
|
| 461 |
}
|
| 462 |
}
|
| 463 |
return $ret;
|
| 464 |
}
|
| 465 |
|
| 466 |
function _nodevote_vote_is_visible($node) {
|
| 467 |
global $user;
|
| 468 |
$ret = FALSE;
|
| 469 |
if (user_access(NODEVOTE_PERM_VIEW)) {
|
| 470 |
if (!variable_get(NODEVOTE_RESULT_VOTED, 0)) {
|
| 471 |
$ret = TRUE;
|
| 472 |
}
|
| 473 |
else {
|
| 474 |
if (_nodevote_user_voted($user->uid, $node->nid)) {
|
| 475 |
$ret = TRUE;
|
| 476 |
}
|
| 477 |
}
|
| 478 |
}
|
| 479 |
return $ret;
|
| 480 |
}
|
| 481 |
|
| 482 |
/**
|
| 483 |
* Implementation of hook_theme().
|
| 484 |
*/
|
| 485 |
function nodevote_theme() {
|
| 486 |
return array(
|
| 487 |
'nodevote_display_vote' => array(
|
| 488 |
'arguments' => array('vote_data' => NULL),
|
| 489 |
),
|
| 490 |
'nodevote_do_vote' => array(
|
| 491 |
'arguments' => array('node' => NULL),
|
| 492 |
),
|
| 493 |
);
|
| 494 |
}
|
| 495 |
|
| 496 |
function theme_nodevote_do_vote($node) {
|
| 497 |
return drupal_get_form('nodevote_rate_form', $node);
|
| 498 |
}
|
| 499 |
|
| 500 |
function nodevote_rate_form($form_state, $node) {
|
| 501 |
global $user;
|
| 502 |
$score = array();
|
| 503 |
$r = 0;
|
| 504 |
$score[] = t('Select');
|
| 505 |
if (_nodevote_user_voted($user->uid, $node->nid)){
|
| 506 |
$r = db_result(db_query("SELECT vote FROM {nodevote} WHERE uid = %d AND nid = %d" , $user->uid ,$node->nid));
|
| 507 |
$score[] =$r;
|
| 508 |
}
|
| 509 |
|
| 510 |
for($j=NODEVOTE_MIN_SCORE; $j<NODEVOTE_MAX_SCORE+1; $j++) {
|
| 511 |
$score[$j] = $j;
|
| 512 |
}
|
| 513 |
|
| 514 |
$set='rate';
|
| 515 |
$form[$set] = array(
|
| 516 |
'#type' => 'fieldset',
|
| 517 |
'#title' => t('Votes'),
|
| 518 |
'#value' => t('<br>Please rate this node. 1 = worst score, 10 = best score'),
|
| 519 |
'#prefix' => '<div id="nodevote vote">',
|
| 520 |
'#suffix' => '</div>',
|
| 521 |
);
|
| 522 |
|
| 523 |
$form[$set]['vote'] = array(
|
| 524 |
'#type' => 'select',
|
| 525 |
'#title' => t('Score'),
|
| 526 |
'#default_value' => $score[$r],
|
| 527 |
'#options' => $score,
|
| 528 |
);
|
| 529 |
$form[$set]['button'] = array(
|
| 530 |
'#type' => 'submit',
|
| 531 |
'#value' => t('Vote'),
|
| 532 |
);
|
| 533 |
|
| 534 |
$form['#method'] = 'post';
|
| 535 |
$form['#action'] = url('nodevote/' . $node->nid . '/add');
|
| 536 |
$form['#attributes'] = array('class' => 'nodevote-form');
|
| 537 |
|
| 538 |
return $form;
|
| 539 |
}
|
| 540 |
|
| 541 |
function _nodevote_validate_vote($vote) {
|
| 542 |
if (!is_numeric($vote)) {
|
| 543 |
return FALSE;
|
| 544 |
}
|
| 545 |
|
| 546 |
if ($vote >= NODEVOTE_MIN_SCORE && $vote <= NODEVOTE_MAX_SCORE) {
|
| 547 |
return TRUE;
|
| 548 |
}
|
| 549 |
|
| 550 |
return FALSE;
|
| 551 |
}
|
| 552 |
|
| 553 |
function nodevote_userpoints($op, $points = 0, $uid = 0, $event = '') {
|
| 554 |
switch($op) {
|
| 555 |
case 'setting':
|
| 556 |
$group = 'nodevote';
|
| 557 |
$form[$group] = array(
|
| 558 |
'#type' => 'fieldset',
|
| 559 |
'#collapsible' => TRUE,
|
| 560 |
'#collapsed' => TRUE,
|
| 561 |
'#title' => t('!Points for nodevote', userpoints_translation()),
|
| 562 |
);
|
| 563 |
|
| 564 |
$form[$group][NODEVOTE_USERPOINTS] = array(
|
| 565 |
'#type' => 'textfield',
|
| 566 |
'#title' => t('!Points for voting using nodevote', userpoints_translation()),
|
| 567 |
'#default_value' => variable_get(NODEVOTE_USERPOINTS, 0),
|
| 568 |
'#size' => 5,
|
| 569 |
'#maxlength' => 5,
|
| 570 |
);
|
| 571 |
return $form;
|
| 572 |
}
|
| 573 |
}
|
| 574 |
|
| 575 |
function nodevote_do_userpoints() {
|
| 576 |
global $user;
|
| 577 |
|
| 578 |
if (module_exists('userpoints')) {
|
| 579 |
$points = variable_get(NODEVOTE_USERPOINTS, 0);
|
| 580 |
userpoints_userpointsapi('points', $points, $user->uid, 'nodevote');
|
| 581 |
}
|
| 582 |
}
|
| 583 |
|
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