a885d1481e
git-svn-id: file:///home/shish/svn/shimmie2/trunk@782 7f39781d-f577-437e-ae19-be835c7a54ca
94 lines
2.6 KiB
PHP
94 lines
2.6 KiB
PHP
<?php
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/**
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* Name: Image Scores (Numeric)
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* Author: Shish <webmaster@shishnet.org>
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* Link: http://trac.shishnet.org/shimmie2/
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* License: GPLv2
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* Description: Allow users to score images
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*/
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class NumericScoreSetEvent extends Event {
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var $image_id, $user, $score;
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public function NumericScoreSetEvent($image_id, $user, $score) {
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$this->image_id = $image_id;
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$this->user = $user;
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$this->score = $score;
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}
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}
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class NumericScore extends Extension {
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var $theme;
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public function receive_event($event) {
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if(is_null($this->theme)) $this->theme = get_theme_object("numeric_score", "NumericScoreTheme");
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if(is_a($event, 'InitExtEvent')) {
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global $config;
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if($config->get_int("ext_numeric_score_version", 0) < 1) {
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$this->install();
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}
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}
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if(is_a($event, 'ImageInfoBoxBuildingEvent')) {
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global $user;
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global $config;
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if(!$user->is_anonymous()) {
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$event->add_part($this->theme->get_voter_html($event->image));
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}
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}
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if(is_a($event, 'ImageInfoSetEvent')) {
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global $user;
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$char = $_POST['numeric_score'];
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if($char == "u") $score = 1;
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else if($char == "d") $score = -1;
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send_event(new NumericScoreSetEvent($event->image_id, $user, $score));
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}
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if(is_a($event, 'NumericScoreSetEvent')) {
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$this->add_vote($event->image_id, $event->user->id, $event->score);
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}
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if(is_a($event, 'ImageDeletionEvent')) {
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global $database;
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$database->execute("DELETE FROM numeric_score_votes WHERE image_id=?", array($event->image->id));
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}
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if(is_a($event, 'ParseLinkTemplateEvent')) {
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$event->replace('$score', $event->image->numeric_score);
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}
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}
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private function install() {
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global $database;
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global $config;
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if($config->get_int("ext_numeric_score_version") < 1) {
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$database->Execute("ALTER TABLE images ADD COLUMN numeric_score INTEGER NOT NULL DEFAULT 0");
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$database->Execute("CREATE INDEX images__numeric_score ON images(numeric_score)");
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$database->Execute("
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CREATE TABLE numeric_score_votes (
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image_id INTEGER NOT NULL,
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user_id INTEGER NOT NULL,
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score INTEGER NOT NULL,
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UNIQUE(image_id, user_id),
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INDEX(image_id)
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)
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");
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$config->set_int("ext_numeric_score_version", 1);
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}
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}
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private function add_vote($image_id, $user_id, $score) {
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global $database;
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$database->Execute(
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"REPLACE INTO numeric_score_votes(image_id, user_id, score) VALUES(?, ?, ?)",
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array($image_id, $user_id, $score));
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$database->Execute(
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"UPDATE images SET numeric_score=(SELECT SUM(score) FROM numeric_score_votes WHERE image_id=?) WHERE id=?",
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array($image_id, $image_id));
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}
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}
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add_event_listener(new NumericScore());
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?>
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