276 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			276 lines
		
	
	
		
			9.3 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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|  * License: GPLv2
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|  * Description: Allow users to score images
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|  * Documentation:
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|  *  Each registered user may vote an image +1 or -1, the
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|  *  image's score is the sum of all votes.
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|  */
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| 
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| class NumericScoreSetEvent extends Event {
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| 	var $image_id, $user, $score;
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| 
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| 	public function NumericScoreSetEvent($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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| 
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| class NumericScore implements Extension {
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| 	var $theme;
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| 
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| 	public function receive_event(Event $event) {
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| 		global $config, $database, $page, $user;
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| 		if(is_null($this->theme)) $this->theme = get_theme_object($this);
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| 
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| 		if($event instanceof InitExtEvent) {
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| 			if($config->get_int("ext_numeric_score_version", 0) < 1) {
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| 				$this->install();
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| 			}
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| 		}
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| 
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| 		if($event instanceof DisplayingImageEvent) {
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| 			if(!$user->is_anonymous()) {
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| 				$html = $this->theme->get_voter_html($event->image);
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| 				$page->add_block(new Block("Image Score", $html, "left", 20));
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| 			}
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| 		}
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| 
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| 		if($event instanceof UserPageBuildingEvent) {
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| 			$html = $this->theme->get_nuller_html($event->display_user);
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| 			$page->add_block(new Block("Votes", $html, "main", 60));
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| 		}
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| 
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| 		if($event instanceof PageRequestEvent) {
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| 			if($event->page_matches("numeric_score_votes")) {
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| 				$image_id = int_escape($event->get_arg(0));
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| 				$x = $database->get_all(
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| 					"SELECT users.name as username, user_id, score 
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| 					FROM numeric_score_votes 
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| 					JOIN users ON numeric_score_votes.user_id=users.id
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| 					WHERE image_id=?",
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| 					array($image_id));
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| 				$html = "<table>";
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| 				foreach($x as $vote) {
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| 					$html .= "<tr><td>";
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| 					$html .= "<a href='/user/{$vote['username']}'>{$vote['username']}</a>";
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| 					$html .= "</td><td>";
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| 					$html .= $vote['score'];
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| 					$html .= "</td></tr>";
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| 				}
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| 				die($html);
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| 			}
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| 			if($event->page_matches("numeric_score_vote") && $user->check_auth_token()) {
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| 				if(!$user->is_anonymous()) {
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| 					$image_id = int_escape($_POST['image_id']);
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| 					$char = $_POST['vote'];
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| 					$score = null;
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| 					if($char == "up") $score = 1;
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| 					else if($char == "null") $score = 0;
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| 					else if($char == "down") $score = -1;
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| 					if(!is_null($score) && $image_id>0) send_event(new NumericScoreSetEvent($image_id, $user, $score));
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| 					$page->set_mode("redirect");
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| 					$page->set_redirect(make_link("post/view/$image_id"));
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| 				}
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| 			}
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| 			if($event->page_matches("numeric_score/remove_votes_on") && $user->check_auth_token()) {
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| 				if($user->is_admin()) {
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| 					$image_id = int_escape($_POST['image_id']);
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| 					$database->execute(
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| 							"DELETE FROM numeric_score_votes WHERE image_id=?",
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| 							array($image_id));
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| 					$database->execute(
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| 							"UPDATE images SET numeric_score=0 WHERE id=?",
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| 							array($image_id));
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| 					$page->set_mode("redirect");
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| 					$page->set_redirect(make_link("post/view/$image_id"));
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| 				}
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| 			}
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| 			if($event->page_matches("numeric_score/remove_votes_by") && $user->check_auth_token()) {
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| 				if($user->is_admin()) {
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| 					$user_id = int_escape($_POST['user_id']);
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| 					$image_ids = $database->get_col("SELECT image_id FROM numeric_score_votes WHERE user_id=?", array($user_id));
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| 
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| 					$database->execute(
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| 							"DELETE FROM numeric_score_votes WHERE user_id=? AND image_id IN ?",
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| 							array($user_id, $image_ids));
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| 					$database->execute(
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| 							"UPDATE images SET numeric_score=(SELECT SUM(score) FROM numeric_score_votes WHERE image_id=images.id) WHERE images.id IN ?",
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| 							array($image_ids));
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| 					$page->set_mode("redirect");
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| 					$page->set_redirect(make_link());
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| 				}
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| 			}
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| 			if($event->page_matches("popular_by_day") || $event->page_matches("popular_by_month") || $event->page_matches("popular_by_year")) {
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| 				$t_images = $config->get_int("index_height") * $config->get_int("index_width");
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| 
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| 				//TODO: Somehow make popular_by_#/2012/12/31 > popular_by_#?day=31&month=12&year=2012 (So no problems with date formats)
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| 				//TODO: Add Popular_by_week.
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| 
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| 				$sql = "SELECT * FROM images ";
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| 				$args = array();
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| 
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| 				//year
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| 				if(int_escape($event->get_arg(0)) == 0){
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| 					$year = date("Y");
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| 				}else{
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| 					$year = $event->get_arg(0);
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| 				}
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| 				//month
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| 				if(int_escape($event->get_arg(1)) == 0 || int_escape($event->get_arg(1)) > 12){
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| 					$month = date("m");
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| 				}else{
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| 					$month = $event->get_arg(1);
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| 				}
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| 				//day
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| 				if(int_escape($event->get_arg(2)) == 0 || int_escape($event->get_arg(2)) > 31){
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| 					$day = date("d");
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| 				}else{
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| 					$day = $event->get_arg(2);
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| 				}
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| 				$totaldate = $year."/".$month."/".$day;
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| 
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| 				if($event->page_matches("popular_by_day")){
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| 					$sql .=
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| 						"WHERE EXTRACT(YEAR FROM posted) = :year
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| 						AND EXTRACT(MONTH FROM posted) = :month
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| 						AND EXTRACT(DAY FROM posted) = :day
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| 						AND NOT numeric_score=0
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| 						";
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| 					$dte = array($totaldate, date("F jS, Y", (strtotime($totaldate))), "Y/m/d", "day");
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| 				}
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| 				if($event->page_matches("popular_by_month")){
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| 					$sql .=
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| 						"WHERE EXTRACT(YEAR FROM posted) = :year
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| 						AND EXTRACT(MONTH FROM posted) = :month
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| 						AND NOT numeric_score=0
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| 						";
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| 					$title = date("F Y", (strtotime($totaldate)));
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| 					$dte = array($totaldate, $title, "Y/m", "month");
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| 				}
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| 				if($event->page_matches("popular_by_year")){
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| 					$sql .=
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| 						"WHERE EXTRACT(YEAR FROM posted) = :year
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| 						AND NOT numeric_score=0
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| 						";
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| 					$dte = array($totaldate, $year, "Y", "year");
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| 				}
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| 				$sql .= " ORDER BY numeric_score DESC LIMIT :limit OFFSET 0";
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| 
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| 				//filter images by year/score != 0 > limit to max images on one page > order from highest to lowest score
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| 				$args = array(
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| 					"year" => $year,
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| 					"month" => $month,
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| 					"day" => $day,
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| 					"limit" => $t_images
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| 				);
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| 				$result = $database->get_all($sql, $args);
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| 
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| 				$images = array();
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| 				foreach($result as $singleResult) {
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| 					$images[] = Image::by_id($singleResult["id"]);
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| 				}
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| 				$this->theme->view_popular($images, $dte);
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| 			}
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| 		}
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| 
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| 		if($event instanceof NumericScoreSetEvent) {
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| 			log_info("numeric_score", "Rated Image #{$event->image_id} as {$event->score}");
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| 			$this->add_vote($event->image_id, $user->id, $event->score);
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| 		}
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| 
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| 		if($event instanceof ImageDeletionEvent) {
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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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| 
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| 		if($event instanceof ParseLinkTemplateEvent) {
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| 			$event->replace('$score', $event->image->numeric_score);
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| 		}
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| 
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| 		if($event instanceof SearchTermParseEvent) {
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| 			$matches = array();
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| 			if(preg_match("/^score(<|<=|=|>=|>)(\d+)$/", $event->term, $matches)) {
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| 				$cmp = $matches[1];
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| 				$score = $matches[2];
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| 				$event->add_querylet(new Querylet("numeric_score $cmp $score"));
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| 			}
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| 			if(preg_match("/^upvoted_by=(.*)$/", $event->term, $matches)) {
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| 				$duser = User::by_name($matches[1]);
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| 				if(is_null($duser)) {
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| 					throw new SearchTermParseException(
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| 							"Can't find the user named ".html_escape($matches[1]));
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| 				}
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| 				$event->add_querylet(new Querylet(
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| 					"images.id in (SELECT image_id FROM numeric_score_votes WHERE user_id=? AND score=1)",
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| 					array($duser->id)));
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| 			}
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| 			if(preg_match("/^downvoted_by=(.*)$/", $event->term, $matches)) {
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| 				$duser = User::by_name($matches[1]);
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| 				if(is_null($duser)) {
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| 					throw new SearchTermParseException(
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| 							"Can't find the user named ".html_escape($matches[1]));
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| 				}
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| 				$event->add_querylet(new Querylet(
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| 					"images.id in (SELECT image_id FROM numeric_score_votes WHERE user_id=? AND score=-1)",
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| 					array($duser->id)));
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| 			}
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| 			if(preg_match("/^upvoted_by_id=(\d+)$/", $event->term, $matches)) {
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| 				$iid = int_escape($matches[1]);
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| 				$event->add_querylet(new Querylet(
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| 					"images.id in (SELECT image_id FROM numeric_score_votes WHERE user_id=? AND score=1)",
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| 					array($iid)));
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| 			}
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| 			if(preg_match("/^downvoted_by_id=(\d+)$/", $event->term, $matches)) {
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| 				$iid = int_escape($matches[1]);
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| 				$event->add_querylet(new Querylet(
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| 					"images.id in (SELECT image_id FROM numeric_score_votes WHERE user_id=? AND score=-1)",
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| 					array($iid)));
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| 			}
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| 		}
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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 $config;
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| 
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| 		if($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->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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| 				FOREIGN KEY (image_id) REFERENCES images(id) ON DELETE CASCADE,
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| 				FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
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| 			");
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| 			$config->set_int("ext_numeric_score_version", 1);
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| 		}
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| 		if($config->get_int("ext_numeric_score_version") < 2) {
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| 			$database->Execute("CREATE INDEX numeric_score_votes__user_votes ON numeric_score_votes(user_id, score)");
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| 			$config->set_int("ext_numeric_score_version", 2);
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| 		}
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| 	}
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| 
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| 	private function add_vote($image_id, $user_id, $score) {
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| 		global $database;
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| 		$database->Execute(
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| 			"DELETE FROM numeric_score_votes WHERE image_id=? AND user_id=?",
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| 			array($image_id, $user_id));
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| 		if($score != 0) {
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| 			$database->Execute(
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| 				"INSERT INTO numeric_score_votes(image_id, user_id, score) VALUES(?, ?, ?)",
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| 				array($image_id, $user_id, $score));
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| 		}
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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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