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serendipity_event_karma.php
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serendipity_event_karma.php
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<?php
if (IN_serendipity !== true) { die ("Don't hack!"); }
@serendipity_plugin_api::load_language(dirname(__FILE__));
@define('PLUGIN_KARMA_DB_VERSION', '2.2');
class serendipity_event_karma extends serendipity_event
{
/** @var string Status of current voting action */
var $karmaVote = '';
/** @var int ID of entry to vote on */
var $karmaId = '';
/** @var int Minutes until voting will be enabled, if a timeout is in effect */
var $karmaTimeOut = '';
/** @var int Points for this entry: current vote until voting is recorded,
* total points after voting is recorded
*/
var $karmaVoting = '';
/** @var string The name of the image to be used in graphic rating bars */
var $image_name = 'stars-def-yellow-green-md.png';
/** @var int The width of the rating bar image */
var $image_width = '';
/** @var int The height of the rating bar image */
var $image_height = '';
/** @var string The HTML to be used in backend preview */
var $select_html = '';
/** @var string The CSS to be added for backend preview */
var $select_css = '';
/** @var string Title if included as sidebar content */
var $title = PLUGIN_KARMA_NAME;
/* The max width/height ratio of a single-segment image */
var $max_segment_ratio = 1.0;
function introspect(&$propbag)
{
global $serendipity;
$propbag->add('name', PLUGIN_KARMA_NAME);
$propbag->add('description', PLUGIN_KARMA_BLAHBLAH);
$propbag->add('stackable', false);
$propbag->add('author', 'Garvin Hicking, Grischa Brockhaus, Judebert, Gregor Voeltz, Ian');
$propbag->add('version', '2.14.2');
$propbag->add('requirements', array(
'serendipity' => '1.6',
'smarty' => '2.6.7',
'php' => '4.1.0'
));
$propbag->add('event_hooks', array(
'external_plugin' => true,
'frontend_footer' => true,
'frontend_configure' => true,
'entry_display' => true,
'css' => true,
'css_backend' => true,
'backend_header' => true,
'backend_sidebar_admin_appearance' => true,
'backend_sidebar_entries_event_display_karmalog' => true,
'event_additional_statistics' => true
));
$propbag->add('groups', array('STATISTICS'));
$propbag->add('configuration', array(
// Functionality options
'karma_active',
'karma_active_registered',
'extended_only',
'max_karmatime',
'max_votetime',
'max_entrytime',
'min_disp_votes',
'visits_active',
'track_visits_of_loggedin_users',
'min_disp_visits',
'exits_active',
'logging',
'ajax',
// Appearance options
'alignment',
'rate_with_words',
'textual_msg',
'textual_current',
'textual_visits',
'preview_bg',
'base_image',
// Text/Language options
'rate_msg',
'curr_msg',
'rate_best',
'rate_good',
'rate_okay',
'rate_poor',
'rate_vile',
'text_best',
'text_good',
'text_okay',
'text_poor',
'text_vile',
));
$propbag->add('config_groups', array(
PLUGIN_KARMA_TAB_OPTIONS => array(
'karma_active',
'karma_active_registered',
'extended_only',
'max_karmatime',
'max_votetime',
'max_entrytime',
'min_disp_votes',
'visits_active',
'track_visits_of_loggedin_users',
'min_disp_visits',
'exits_active',
'logging',
'ajax',
),
PLUGIN_KARMA_TAB_APPEARANCE => array(
'alignment',
'rate_with_words',
'textual_msg',
'textual_current',
'textual_visits',
'preview_bg',
'base_image',
),
PLUGIN_KARMA_TAB_TEXT => array(
'rate_msg',
'curr_msg',
'rate_best',
'rate_good',
'rate_okay',
'rate_poor',
'rate_vile',
'text_best',
'text_good',
'text_okay',
'text_poor',
'text_vile',
)
));
}
function introspect_config_item($name, &$propbag)
{
switch($name) {
// Oldest entry age still valid for unrestricted voting
case 'max_entrytime':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_ENTRYTIME);
$propbag->add('description', PLUGIN_KARMA_ENTRYTIME_BLAHBLAH);
$propbag->add('default', 1440);
break;
// Min time between votes
case 'max_votetime':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_VOTINGTIME);
$propbag->add('description', PLUGIN_KARMA_VOTINGTIME_BLAHBLAH);
$propbag->add('default', 5);
break;
// Oldest entry age still valid for karma voting (normal, restricted voting)
case 'max_karmatime':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_MAXKARMA);
$propbag->add('description', PLUGIN_KARMA_MAXKARMA_BLAHBLAH);
$propbag->add('default', 7);
break;
// Is karma voting allowed?
case 'karma_active':
$propbag->add('type', 'boolean');
$propbag->add('name', PLUGIN_KARMA_ACTIVE);
$propbag->add('description', PLUGIN_KARMA_ACTIVE_BLAHBLAH);
$propbag->add('default', 'true');
break;
// Is karma voting allowed only for registered authors?
case 'karma_active_registered':
$propbag->add('type', 'boolean');
$propbag->add('name', PLUGIN_KARMA_ACTIVE_REGISTERED);
$propbag->add('description', '');
$propbag->add('default', 'false');
break;
// Min votes to display
case 'min_disp_votes':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_MIN_DISPLAYABLE_VOTES);
$propbag->add('description', PLUGIN_KARMA_MIN_DISPLAYABLE_VOTES_BLAHBLAH);
$propbag->add('default', '0');
break;
// Is extended article visit tracking allowed?
case 'visits_active':
$propbag->add('type', 'boolean');
$propbag->add('name', PLUGIN_KARMA_VISITS);
$propbag->add('description', PLUGIN_KARMA_VISITS_BLAHBLAH);
$propbag->add('default', 'true');
break;
// Keep or ignore visits for logged in users (like admins/authors)?
case 'track_visits_of_loggedin_users':
$propbag->add('type', 'boolean');
$propbag->add('name', PLUGIN_KARMA_VISITS_LOGGEDIN_USERS);
$propbag->add('description', PLUGIN_KARMA_VISITS_LOGGEDIN_USERS_BLAHBLAH);
$propbag->add('default', 'true');
break;
// Min visits to display
case 'min_disp_visits':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_MIN_DISPLAYABLE_VISITS);
$propbag->add('description', PLUGIN_KARMA_MIN_DISPLAYABLE_VISITS_BLAHBLAH);
$propbag->add('default', '0');
break;
// Are we tracking exits?
case 'exits_active':
$propbag->add('type', 'boolean');
$propbag->add('name', SHOWS_TOP_EXIT);
$propbag->add('description', '');
$propbag->add('default', 'false');
break;
// Show karma voting on article summary, or only extended page?
case 'extended_only':
$propbag->add('type', 'boolean');
$propbag->add('name', PLUGIN_KARMA_EXTENDEDONLY);
$propbag->add('description', PLUGIN_KARMA_EXTENDEDONLY_BLAHBLAH);
$propbag->add('default', 'false');
break;
// Log karma votes?
case 'logging':
$propbag->add('type', 'boolean');
$propbag->add('name', PLUGIN_KARMA_LOGGING);
$propbag->add('description', PLUGIN_KARMA_LOGGING_BLAHBLAH);
$propbag->add('default', 'false');
break;
// Log karma votes?
case 'ajax':
$propbag->add('type', 'boolean');
$propbag->add('name', PLUGIN_KARMA_AJAX);
$propbag->add('description', PLUGIN_KARMA_AJAX_BLAHBLAH);
$propbag->add('default', 'false');
break;
// Alignment to use for rating bars
case 'alignment':
$select = array(
'left' => LEFT,
'center' => CENTER,
'right' => RIGHT);
$propbag->add('type', 'select');
$propbag->add('name', PLUGIN_KARMA_ALIGNMENT);
$propbag->add('description', PLUGIN_KARMA_ALIGNMENT_BLAHBLAH);
$propbag->add('select_values', $select);
$propbag->add('default', 'right');
break;
// Use words for ratings?
case 'rate_with_words':
$propbag->add('type', 'boolean');
$propbag->add('name', PLUGIN_KARMA_WORDRATING);
$propbag->add('description', PLUGIN_KARMA_WORDRATING_BLAHBLAH);
$propbag->add('default', 'false');
break;
case 'textual_msg':
$propbag->add('type', 'boolean');
$propbag->add('name', PLUGIN_KARMA_IMAGE_WITH_MESSAGE);
$propbag->add('description', PLUGIN_KARMA_IMAGE_WITH_MESSAGE_BLAHBLAH);
$propbag->add('default', 'true');
break;
case 'textual_current':
$propbag->add('type', 'boolean');
$propbag->add('name', PLUGIN_KARMA_IMAGE_WITH_CURR);
$propbag->add('description', PLUGIN_KARMA_IMAGE_WITH_CURR_BLAHBLAH);
$propbag->add('default', 'true');
break;
case 'textual_visits':
$propbag->add('type', 'boolean');
$propbag->add('name', PLUGIN_KARMA_IMAGE_WITH_VISITS);
$propbag->add('description', PLUGIN_KARMA_IMAGE_WITH_VISITS_BLAHBLAH);
$propbag->add('default', 'true');
break;
// Background of admin preview table
case 'preview_bg':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_PREVIEW_BG);
$propbag->add('description', PLUGIN_KARMA_PREVIEW_BG_BLAHBLAH);
$propbag->add('default', '');
break;
// Image to use for graphical rating bar
case 'base_image':
$propbag->add('type', 'content');
$propbag->add('default', $this->createRatingSelector());
break;
case 'rate_msg':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_VOTETEXT_NAME);
$propbag->add('description', PLUGIN_KARMA_VOTETEXT_NAME_BLAHBLAH);
$propbag->add('default', PLUGIN_KARMA_VOTETEXT);
break;
case 'curr_msg':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_CURRENT_NAME);
$propbag->add('description', PLUGIN_KARMA_CURRENT_NAME_BLAHBLAH);
$propbag->add('default', PLUGIN_KARMA_CURRENT);
break;
case 'rate_best':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_VOTEPOINT_5_NAME);
$propbag->add('description', PLUGIN_KARMA_VOTEPOINT_5_BLAHBLAH);
$propbag->add('default', PLUGIN_KARMA_VOTEPOINT_5);
break;
case 'rate_good':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_VOTEPOINT_4_NAME);
$propbag->add('description', PLUGIN_KARMA_VOTEPOINT_4_BLAHBLAH);
$propbag->add('default', PLUGIN_KARMA_VOTEPOINT_4);
break;
case 'rate_okay':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_VOTEPOINT_3_NAME);
$propbag->add('description', PLUGIN_KARMA_VOTEPOINT_3_BLAHBLAH);
$propbag->add('default', PLUGIN_KARMA_VOTEPOINT_3);
break;
case 'rate_poor':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_VOTEPOINT_2_NAME);
$propbag->add('description', PLUGIN_KARMA_VOTEPOINT_2_BLAHBLAH);
$propbag->add('default', PLUGIN_KARMA_VOTEPOINT_2);
break;
case 'rate_vile':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_VOTEPOINT_1_NAME);
$propbag->add('description', PLUGIN_KARMA_VOTEPOINT_1_BLAHBLAH);
$propbag->add('default', PLUGIN_KARMA_VOTEPOINT_1);
break;
case 'text_best':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_VOTETEXT_5_NAME);
$propbag->add('description', PLUGIN_KARMA_VOTETEXT_5_BLAHBLAH);
$propbag->add('default', PLUGIN_KARMA_VOTETEXT_5);
break;
case 'text_good':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_VOTETEXT_4_NAME);
$propbag->add('description', PLUGIN_KARMA_VOTETEXT_4_BLAHBLAH);
$propbag->add('default', PLUGIN_KARMA_VOTETEXT_4);
break;
case 'text_okay':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_VOTETEXT_3_NAME);
$propbag->add('description', PLUGIN_KARMA_VOTETEXT_3_BLAHBLAH);
$propbag->add('default', PLUGIN_KARMA_VOTETEXT_3);
break;
case 'text_poor':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_VOTETEXT_2_NAME);
$propbag->add('description', PLUGIN_KARMA_VOTETEXT_2_BLAHBLAH);
$propbag->add('default', PLUGIN_KARMA_VOTETEXT_2);
break;
case 'text_vile':
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_KARMA_VOTETEXT_1_NAME);
$propbag->add('description', PLUGIN_KARMA_VOTETEXT_1_BLAHBLAH);
$propbag->add('default', PLUGIN_KARMA_VOTETEXT_1);
break;
default:
return false;
}
return true;
}
/**
* Updates database schema when upgrading from older versions.
*/
function checkScheme() {
global $serendipity;
$version = $this->get_config('dbversion', '0');
if ($version == "2.1") {
$q = "ALTER TABLE {$serendipity['dbPrefix']}karmalog ADD votetime INT(11) default null";
$sql = serendipity_db_schema_import($q);
$this->set_config('dbversion', PLUGIN_KARMA_DB_VERSION);
} elseif ($version == '2.0') {
if (preg_match('@(postgres|pgsql)@i', $serendipity['dbType'])) {
$q = "ALTER TABLE {$serendipity['dbPrefix']}karmalog ALTER COLUMN ip TYPE VARCHAR(45)";
} else {
$q = "ALTER TABLE {$serendipity['dbPrefix']}karmalog CHANGE COLUMN ip ip VARCHAR(45)";
}
$sql = serendipity_db_schema_import($q);
$this->set_config('dbversion', PLUGIN_KARMA_DB_VERSION);
} elseif ($version == '1.1') {
$q = "ALTER TABLE {$serendipity['dbPrefix']}karma ADD visits INT(11) default 0";
$sql = serendipity_db_schema_import($q);
$this->set_config('dbversion', PLUGIN_KARMA_DB_VERSION);
} elseif ($version == '1.0') {
$q = "ALTER TABLE {$serendipity['dbPrefix']}karma ADD visits INT(11) default 0";
$sql = serendipity_db_schema_import($q);
$q = "CREATE TABLE {$serendipity['dbPrefix']}karmalog (
entryid int(11) default null,
points int(4) default null,
ip varchar(45),
user_agent varchar(255),
votetime int(11) default null
)";
$sql = serendipity_db_schema_import($q);
$this->set_config('dbversion', PLUGIN_KARMA_DB_VERSION);
} elseif ($version != PLUGIN_KARMA_DB_VERSION) {
$q = "CREATE TABLE {$serendipity['dbPrefix']}karma (
entryid int(11) default null,
points int(4) default null,
votes int(4) default null,
lastvote int(10) {UNSIGNED} NULL,
visits int(11) default null
)";
$sql = serendipity_db_schema_import($q);
$q = "CREATE TABLE {$serendipity['dbPrefix']}karmalog (
entryid int(11) default null,
points int(4) default null,
ip varchar(45),
user_agent varchar(255),
votetime int(11) default null
)";
$sql = serendipity_db_schema_import($q);
$q = "CREATE INDEX kfetch ON {$serendipity['dbPrefix']}karma (entryid, lastvote);";
$sql = serendipity_db_schema_import($q);
$q = "CREATE INDEX kentryid ON {$serendipity['dbPrefix']}karma (entryid);";
$sql = serendipity_db_schema_import($q);
$this->set_config('dbversion', PLUGIN_KARMA_DB_VERSION);
}
return true;
}
/**
* Unused; would create sidebar content.
*/
function generate_content(&$title)
{
$title = $this->title;
}
/**
* Creates an array of entries and their exit counts.
*
* @param array entries The entries to get exit counts for
* @param boolean get optional Whether to return the array (otherwise
* does all the calculations, but returns only true) default:false
*
* @return Boolean true when $get is false; otherwise the array of
* entries with their exit counts.
*/
function prepareExits($entries, $get = false) {
static $exits = null;
global $serendipity;
if ($exits === null) {
$q = 'SELECT entry_id, SUM(count) AS exits
FROM ' . $serendipity['dbPrefix'] . 'exits
WHERE entry_id IN (' . implode(', ', $entries) . ') GROUP BY entry_id';
$sql = serendipity_db_query($q);
$exits = array();
if (is_array($sql)) {
foreach($sql AS $idx => $row) {
$exits[$row['entry_id']] = (int)$row['exits'];
}
}
}
if ($get) {
return $exits[$entries] ?? null;
}
return true;
}
function getExits($entryid, $get_prepared = false) {
global $serendipity;
static $karma_exits = null;
if ($karma_exits === null) {
// TOP_EXITS is a language constant of serendipity_plugin_entrylinks. To keep old behaviour we use it here, but
// check for its existence to make PHP 8 happy
$karma_exits = ' <span class="serendipity_karmaVoting_exits_sep">|</span> <span class="serendipity_karmaVoting_exits">' . (defined('TOP_EXITS') ? TOP_EXITS : 'TOP_EXITS') . '</span> <span class="serendipity_karmaVoting_exits_num">(%d)</span>';
}
if ($get_prepared) {
$points = $this->prepareExits($entryid, true);
} else {
$res = serendipity_db_query("SELECT sum(count) AS exits FROM {$serendipity['dbPrefix']}exits WHERE entry_id = " . (int)$entryid . " GROUP BY entry_id", true, 'assoc');
if (is_array($res) && isset($res['exits'])) {
$points = $res['exits'];
} else {
$points = 0;
}
}
return sprintf($karma_exits, $points);
}
function performkarmaVote() {
global $serendipity;
// Make sure the karmaVote cookie is set, even if empty <a name="#1" />
if (!isset($serendipity['COOKIE']['karmaVote'])) {
serendipity_setCookie('karmaVote', serialize(array()));
}
// If user didn't vote, we're done.
// Do we realy need this?
if (!isset($_POST['karmaId'])) {
if (!isset($serendipity['GET']['karmaId']) || !isset($serendipity['GET']['karmaVote'])) {
return;
}
}
// Get URL vote data
if (isset($_POST['karmaId'])) {
$this->karmaId = (int)$_POST['karmaId'];
$this->karmaVoting = (int)$_POST['karmaVote'];
} else {
$this->karmaId = (int)$serendipity['GET']['karmaId'];
$this->karmaVoting = (int)$serendipity['GET']['karmaVote'];
}
// karmaVote cookie was just set (see name="#1"); this boils down to
// "if check cookie isn't 1, there's no real cookie".
// The check cookie gets set when a rater is displayed,
// so you've got no business voting if you haven't even
// seen the rater yet.
if (!isset($serendipity['COOKIE']['karmaVote']) OR $serendipity['COOKIE']['check'] != '1') {
$this->karmaVote = 'nocookie';
return;
}
// Everything is ready. Get the cookie vote data.
$karma = unserialize($serendipity['COOKIE']['karmaVote']);
// Stop on invalid votes (cookie invalid, or URL data incorrect)
if (!is_array($karma) || !is_numeric($this->karmaVoting) || !is_numeric($this->karmaId) || $this->karmaVoting > 2 || $this->karmaVoting < -2) {
$this->karmaVote = 'invalid1';
return;
}
// Stop if the cookie says we already voted
if (!empty($karma[$this->karmaId])) {
$this->karmaVote = 'alreadyvoted';
return ;
}
// We don't want bots hitting the karma-voting
$agent = $_SERVER['HTTP_USER_AGENT'];
if (stristr($agent, 'google')
|| stristr($agent, 'LinkWalker')
|| stristr($agent, 'zermelo')
|| stristr($agent, 'NimbleCrawler')
|| stristr($agent, 'archive.org_bot')
|| stristr($agent, 'waybackarchive.org')) {
$this->karmaVote = 'invalid1';
return ;
}
// Voting takes place here.
//
// Get voting data from the database (keeps all entries,
// even if no karma match)
$q = 'SELECT *
FROM ' . $serendipity['dbPrefix'] . 'entries AS e
LEFT OUTER JOIN ' . $serendipity['dbPrefix'] . 'karma AS k
ON e.id = k.entryid
WHERE e.id = ' . serendipity_db_escape_string($this->karmaId) . ' LIMIT 1';
$row = serendipity_db_query($q, true);
// If there's no entry with this ID, we're done
//
// --TODO: Modify the plugin to allow arbitrary voting with generated IDs
if (!isset($row) || !is_array($row)) {
$this->karmaVote = 'invalid2';
return;
}
$now = time();
if ($row['votes'] === '0' || $row['votes'] > 0) {
// Votes for this entry already exist. Do some checking.
$max_entrytime = $this->get_config('max_entrytime', 1440) * 60;
$max_votetime = $this->get_config('max_votetime', 5) * 60;
$max_karmatime = $this->get_config('max_karmatime', 7) * 24 * 60 * 60;
// Allow infinite voting when 0 or negative
if ($max_karmatime <= 0) {
$max_karmatime = $now;
}
// If the entry's timestamp is too old for voting,
// we're done.
if ($row['timestamp'] < ($now - $max_karmatime)) {
$this->karmaVote = 'timeout2';
return;
}
// If the entry is in the grace period, or votes
// aren't too close together, record the vote.
if (($row['timestamp'] > ($now - $max_entrytime)) || ($row['lastvote'] + $max_votetime < $now) || $row['lastvote'] == 0) {
// Update votes
$q = sprintf(
"UPDATE {$serendipity['dbPrefix']}karma
SET points = %s,
votes = %s,
lastvote = %s
WHERE entryid = %s",
$row['points'] + $this->karmaVoting,
$row['votes'] + 1,
$now,
$this->karmaId
);
serendipity_db_query($q);
} else {
// Entry was too recently voted upon. Figure out
// how long until voting will be allowed (in minutes).
$this->karmaVote = 'timeout';
$this->karmaTimeOut = abs(ceil(($now - ($row['lastvote'] + $max_votetime)) / 60));
return;
}
} else {
// No row. Use INSERT instead of UPDATE.
$q = sprintf(
"INSERT INTO {$serendipity['dbPrefix']}karma
(entryid, points, votes, lastvote, visits)
VALUES (%s, %s, %s, %s, %s)",
$this->karmaId,
$this->karmaVoting,
1,
$now,
0
);
$sql = serendipity_db_query($q);
}
// Log the vote
if (serendipity_db_bool($this->get_config('logging', false))) {
$q = sprintf(
"INSERT INTO {$serendipity['dbPrefix']}karmalog
(entryid, points, ip, user_agent, votetime)
VALUES (%s, %s, '%s', '%s', %s)",
$this->karmaId,
$this->karmaVoting,
serendipity_db_escape_string($_SERVER['REMOTE_ADDR']),
substr(serendipity_db_escape_string($_SERVER['HTTP_USER_AGENT']), 0, 255),
$now
);
$sql = serendipity_db_query($q);
if (is_string($sql)) {
mail($serendipity['serendipityEmail'] , 'KARMA ERROR', $q . '<br />' . $sql . '<br />');
}
}
// Set the cookie that we already voted for this entry
$karma[$this->karmaId] = $this->karmaVoting;
$this->karmaVote = 'voted';
serendipity_setCookie('karmaVote', serialize($karma));
}
function karmaVoted($myvote,$points,$votes) {
$msg = '<div class="serendipity_karmaSuccess">' . PLUGIN_KARMA_VOTED . '</div>';
if ($this->get_config('rate_with_words', false)) {
$myvote = $this->wordRating($myvote, 1);
}
elseif ($this->image_name != '0') {
$myvote = $this->imageRating($myvote, 1);
}
// Just a current rating bar, if any
$bar = $this->createRatingBar(null, $points, $votes);
return array("myvote" => $myvote, "msg" => $msg, "bar" => $bar);
}
function createkarmaBlock($entryid, $textual_msg, $msg, $bar, $enough_votes, $textual_current, $enough_visits, $textual_visits, $points, $votes) {
$image_class = '';
if ($this->image_name != '0') {
$image_class = ' serendipity_karmaVoting_images';
}
$karma_block = "<div class='serendipity_karmaVoting$image_class'><a id='karma_vote$entryid'></a>";
if ($textual_msg) {
$karma_block .= $msg;
}
$karma_block .= $bar;
if ($enough_votes && $textual_current) {
$curr_msg = $this->get_config('curr_msg', PLUGIN_KARMA_CURRENT);
$karma_block .= '<span class="serendipity_karmaVoting_current">' . $curr_msg . '</span>';
}
if ($enough_visits && $textual_visits) {
$karma_block .= '<span class="serendipity_karmaVoting_visits">' . PLUGIN_KARMA_VISITSCOUNT . '</span>';
}
$karma_block .= "\n</div>\n";
// Adjust rating points
if ($this->get_config('rate_with_words', false)) {
$points = $this->wordRating($points, $votes);
}
elseif ($this->image_name != '0') {
$points = $this->imageRating($points, $votes);
}
return array("karma_block" => $karma_block, "points" => $points);
}
function event_hook($event, &$bag, &$eventData, $addData = null) {
global $serendipity;
$hooks = &$bag->get('event_hooks');
if (isset($hooks[$event])) {
// Moved from above: only get image data if we're actually going to do something
$this->set_valid_image_data();
// Get dimensions of image, only if not text-only
if ($this->image_name) {
// Is this a single-image bar, or a single segment?
$ratio = $this->image_width / $this->image_height;
if ($ratio < $this->max_segment_ratio) {
// This is probably a single segment. Square segments
// will have a ratio of 0.3; long, flat segments won't
// get up to 1.0 unless they're 3 times as wide as they
// are tall; full-bar images with square segments will
// be 1.666; and full-bar images with tall, narrow
// segments will be greater than 1.0 unless they're
// nearly twice as high as they are wide.
$this->image_width = $this->image_width * 5;
}
}
switch($event) {
//Javascript for ajax functionality
case 'frontend_footer':
if ($this->get_config('ajax') == true) {
?>
<script type="text/javascript">
/*<![CDATA[ */
ajaxloader = new Image();
ajaxloader.src = "<?php echo $serendipity['baseURL']; ?>plugins/serendipity_event_karma/img/ajax-loader.gif";
for (i=1;i<6;i++) {
jQuery('.serendipity_karmaVoting_link'+i).click(function(event) {
event.preventDefault();
karmaId = jQuery(this).attr('href').match(/\[karmaId\]=([0-9]+)/);
vote(jQuery(this).html(),karmaId[1]);
});
}
function vote(karmaVote,karmaId) {
// Send the data using post and put the results in place
jQuery('#karma_vote'+karmaId).parent().children('.serendipity_karmaVoting_links').replaceWith('<div class="serendipity_karmaVoting_links ajaxloader"><img src="<?php echo $serendipity['baseURL']; ?>plugins/serendipity_event_karma/img/ajax-loader.gif" border="0" alt="ajax-loader" /></div>');
jQuery.post("<?php echo $serendipity['baseURL']. $serendipity['permalinkPluginPath'] ?>/karma-ajaxquery", { karmaVote: karmaVote, karmaId: karmaId }, function(data) {
jQuery('#karma_vote'+karmaId).parent().replaceWith(data);
});
}
/* ]]>*/
</script>
<?php
}
// Hook for ajax calls
case 'external_plugin':
$theUri = "";
try {
$theUri = (string)str_replace('&', '&', $eventData);
} catch (Error $e) {}
$uri_parts = explode('?', $theUri);
// Try to get request parameters from eventData name
if (!empty($uri_parts[1])) {
$reqs = explode('&', $uri_parts[1]);
foreach($reqs AS $id => $req) {
$val = explode('=', $req);
if (empty($_REQUEST[$val[0]])) {
$_REQUEST[$val[0]] = $val[1];
}
}
}
$parts = explode('_', $uri_parts[0]);
switch($parts[0]) {
case 'karma-ajaxquery':
$this->performkarmaVote();
$q = "SELECT SUM(votes) AS votes, SUM(points) AS points, SUM(visits) AS visits
FROM " . $serendipity['dbPrefix'] . "karma
WHERE entryid = '" . (int)$_POST['karmaId'] . "';";
$sql = serendipity_db_query($q);
$track_clicks = serendipity_db_bool($this->get_config('visits_active', true));
$track_karma = serendipity_db_bool($this->get_config('karma_active', true));
$enough_votes = $track_karma && ($sql[0]['votes'] >= $this->get_config('min_disp_votes', 0));
$enough_visits = $track_clicks && ($sql[0]['visits'] >= $this->get_config('min_disp_visits', 0));
$textual_msg = true;
$textual_current = true;
$textual_visits = true;
if ($this->image_name != '0') {
$textual_msg = $this->get_config('textual_msg', 'true');
$textual_current = $this->get_config('textual_current', 'true');
$textual_visits = $this->get_config('textual_visits', 'true');
}
$temp = $this->karmaVoted((int)$_POST['karmaVote'],$sql[0]['points'],$sql[0]['votes']);
$myvote = $temp['myvote'];
$msg = $temp['msg'];
$bar = $temp['bar'];
$temp = $this->createkarmaBlock((int)$_POST['karmaId'], $textual_msg, $msg, $bar, $enough_votes, $textual_current, $enough_visits, $textual_visits, $sql[0]['points'], $sql[0]['votes']);
$karma_block = $temp['karma_block'];
$points = $temp['points'];
echo sprintf($karma_block, $myvote, $points, $sql[0]['votes'], $sql[0]['visits'], '');
break;
}
return true;
break;
// Early hook, before any page is displayed
case 'frontend_configure':
$this->performkarmaVote();
return true;
break;
// CSS generation hooks
case 'backend_header':
if (($serendipity['GET']['adminModule'] == 'event_display' && $serendipity['GET']['adminAction'] == 'karmalog') || $serendipity['GET']['adminModule'] == 'plugins') {
// Generate the CSS for the graphical rating bar selector
//
// The CSS appears to be generated in a completely
// different instance of Serendipity, as if index.php gets
// called separately for the CSS.
//
// Note that the css_backend hook adds properties to the
// serendipity_admin.css, but that file is *always*
// cached. We use backend_header and add the CSS to the
// HEAD styles to make it dynamic. (Edit: with 2.0 this has changed)
// Get the CSS, set $this->image_name so we'll output the
// standard graphical CSS prologue if any images are found.
$this->createRatingSelector();
print ("<style type='text/css'>\n");
$align = 'center';
$bg = $this->get_config('preview_bg', false);
if (!empty($bg)) {
if ((strpos($bg, ';') !== false) || (strpos($bg, ',') !== false)) {
$bg = 'red';
}
print("
.serendipity_karmaVote_selectorTable {
background: $bg;
}
");
}
print("
.serendipityAdminContent .serendipity_karmaVoting_links {
margin: 5px;
}
");
if ($serendipity['version'][0] > 1) {
print("\n</style>\n");
}
}
if ($serendipity['version'][0] > 1) {
break;
return true;
}
case 'css_backend':
case 'css':
// Some CSS notes:
//
// .serendipity_karmaVoting is the class for the karma wrapper/container,
// including the text explanations, messages, and rating bar.
// (currently a div)
// .serendipity_karmaVoting a specifies the links for the text-mode
// rating bar
// .serendipity_karmaError is the class for any text indicating an
// error condition
// .serendipity_karmaSuccess is the class for any text indicating
// successful operation
// .serendipity_karmaVoting_links is the container for the graphical
// rating bar (currently an ol)
// .serendipity_karmaVoting_links a indicates the various voting links in
// the graphical rating bar
// .serendipity_karmaVoting_current-rating is the class for the current
// rating in the graphical rating bar
// a.serendipity_karmaVoting_link1, _link2, etc are the classes applied
// to the individual voting links
// Note that there are two possible template types: early
// templates that only handle the text rating bars, and
// newer templates that understand the graphical raters.
// We check for both types and act appropriately.
/*--JAM: Let's just skip this whole hassle
if (!$align) {
$align = $this->get_config('alignment', 'detect');
}
if ($align == 'detect') {
*/
$align = $this->get_config('alignment');
// Try to let the template take care of it
if ($this->image_name == '0') {
// Text-only rating bar is used
if (strpos($eventData, '.serendipity_karmaVoting')) {
// Template is handling all our CSS
return true;
}
}/* --JAM: else {
// Graphical rating bar is used
if (strpos($eventData, '.serendipity_karmaVoting_images')) {
// Template is handling all our CSS
return true;
}
// Check for old text-only templates
$pos = strpos($eventData, '.serendipity_karmaVoting');
while ($pos && ($align == 'detect')) {
// Find text-align: in the current block
$endpos = strpos($eventData, '}', $pos);
if (!$endpos) {
// Broken CSS
break;
}
$alignpos = strpos($eventData, 'text-align:', $pos);
// Can't check for comments, or I would. Hope
// the first is the correct one.
if ($alignpos && $alignpos < $endpos) {
$start = $alignpos + 11;
$alignend = strpos($eventData, ';', $alignpos);
if ($alignend)
{
// All valid. Pull out the alignment.
$len = $alignend - $start;
$align = trim(substr($eventData, $start, $len));
}
}
$pos = strpos($eventData, '.serendipity_karmaVoting', $endpos);
}
// I should have a valid alignment or 'detect' in $align now.
}
}
// If we couldn't detect the alignment, guess 'right'
if ($align == 'detect') {
$align = 'right';
}
--JAM: END COMMENT BLOCK */
if ($serendipity['version'][0] < 2 && $event == 'backend_header') {
print ("<style type='text/css'>\n");
}
// Since errors might be printed at any time, always
// output the text-mode CSS
print <<<EOS
.serendipity_karmaVoting {
text-align: $align;
font-size: 7pt;
margin: 0px;
}
.serendipity_karmaVoting a {
font-size: 7pt;
text-decoration: none;
}
.serendipity_karmaVoting a:hover {
color: green;
}
.serendipity_karmaError {
color: #FF8000;
}
.serendipity_karmaSuccess {
color: green;
}
EOS;
// Only output the image CSS if it's needed
if ($this->image_name != '0') {
$img = $serendipity['baseURL'] . "plugins/serendipity_event_karma/img/" . $this->image_name;
$h = $this->image_height / 3;
$w = $this->image_width;
switch ($align) {
case 'left':
$margin = '0px auto 0px 0px';
break;
case 'center':
$margin = '0px auto';
break;
case 'right':
default: