This repository has been archived on 2024-09-05. You can view files and clone it, but cannot push or open issues or pull requests.
shimmie2/contrib/numeric_score/main.php
shish a885d1481e working numeric score
git-svn-id: file:///home/shish/svn/shimmie2/trunk@782 7f39781d-f577-437e-ae19-be835c7a54ca
2008-04-08 16:53:48 +00:00

94 lines
2.6 KiB
PHP

<?php
/**
* Name: Image Scores (Numeric)
* Author: Shish <webmaster@shishnet.org>
* Link: http://trac.shishnet.org/shimmie2/
* License: GPLv2
* Description: Allow users to score images
*/
class NumericScoreSetEvent extends Event {
var $image_id, $user, $score;
public function NumericScoreSetEvent($image_id, $user, $score) {
$this->image_id = $image_id;
$this->user = $user;
$this->score = $score;
}
}
class NumericScore extends Extension {
var $theme;
public function receive_event($event) {
if(is_null($this->theme)) $this->theme = get_theme_object("numeric_score", "NumericScoreTheme");
if(is_a($event, 'InitExtEvent')) {
global $config;
if($config->get_int("ext_numeric_score_version", 0) < 1) {
$this->install();
}
}
if(is_a($event, 'ImageInfoBoxBuildingEvent')) {
global $user;
global $config;
if(!$user->is_anonymous()) {
$event->add_part($this->theme->get_voter_html($event->image));
}
}
if(is_a($event, 'ImageInfoSetEvent')) {
global $user;
$char = $_POST['numeric_score'];
if($char == "u") $score = 1;
else if($char == "d") $score = -1;
send_event(new NumericScoreSetEvent($event->image_id, $user, $score));
}
if(is_a($event, 'NumericScoreSetEvent')) {
$this->add_vote($event->image_id, $event->user->id, $event->score);
}
if(is_a($event, 'ImageDeletionEvent')) {
global $database;
$database->execute("DELETE FROM numeric_score_votes WHERE image_id=?", array($event->image->id));
}
if(is_a($event, 'ParseLinkTemplateEvent')) {
$event->replace('$score', $event->image->numeric_score);
}
}
private function install() {
global $database;
global $config;
if($config->get_int("ext_numeric_score_version") < 1) {
$database->Execute("ALTER TABLE images ADD COLUMN numeric_score INTEGER NOT NULL DEFAULT 0");
$database->Execute("CREATE INDEX images__numeric_score ON images(numeric_score)");
$database->Execute("
CREATE TABLE numeric_score_votes (
image_id INTEGER NOT NULL,
user_id INTEGER NOT NULL,
score INTEGER NOT NULL,
UNIQUE(image_id, user_id),
INDEX(image_id)
)
");
$config->set_int("ext_numeric_score_version", 1);
}
}
private function add_vote($image_id, $user_id, $score) {
global $database;
$database->Execute(
"REPLACE INTO numeric_score_votes(image_id, user_id, score) VALUES(?, ?, ?)",
array($image_id, $user_id, $score));
$database->Execute(
"UPDATE images SET numeric_score=(SELECT SUM(score) FROM numeric_score_votes WHERE image_id=?) WHERE id=?",
array($image_id, $image_id));
}
}
add_event_listener(new NumericScore());
?>