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<?php |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; // Exit if accessed directly. |
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} |
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|
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// Process a vote. |
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add_action( 'wp_ajax_bbpress_post_vote_link_clicked', 'bbpress_post_add_vote' ); |
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add_action( 'wp_ajax_nopriv_bbpress_post_vote_link_clicked', 'bbpress_post_add_vote' ); |
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|
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function bbpress_post_add_vote() { |
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header( 'Content-type: application/json' ); |
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$post_id = (int) $_POST['post_id']; |
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|
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// View only for visitors. |
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if ( ! is_user_logged_in() && apply_filters( 'bbp_voting_disable_voting_for_visitors', false ) ) { |
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die( json_encode( [ 'error' => 'Voting is disabled for visitors.' ] ) ); |
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} |
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|
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// View only for closed topics |
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$topic_id = bbp_get_reply_topic_id( $post_id ); |
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$topic_status = get_post_status( $topic_id ); |
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if ( $topic_status == 'closed' && apply_filters( 'bbp_voting_disable_voting_on_closed_topic', false ) ) { |
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die( json_encode( [ 'error' => 'Voting is disabled on closed topics.' ] ) ); |
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} |
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// View only for author of post |
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if ( is_user_logged_in() && apply_filters( 'bbp_voting_disable_author_vote', false ) && get_post_field( 'post_author', $post_id ) == get_current_user_ID() ) { |
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die( json_encode( [ 'error' => 'Voting is disabled on for the author.' ] ) ); |
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} |
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// Direction |
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$direction = (int) $_POST['direction']; |
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$direction = in_array( $direction, [ 1, -1 ] ) ? $direction : 0; // Enforce 1 or -1 |
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// $voting_cookie = unserialize($_COOKIE['bbp_voting']); |
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$voting_log = get_post_meta( $post_id, 'bbp_voting_log', true ); |
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$voting_log = is_array( $voting_log ) ? $voting_log : []; // Set up new array |
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$client_ip = $_SERVER['REMOTE_ADDR']; |
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$identifier = is_user_logged_in() ? get_current_user_id() : $client_ip; |
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$admin_bypass = current_user_can( 'administrator' ) && apply_filters( 'bbp_voting_admin_bypass', false ); |
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$remove_vote = false; |
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$reverse_vote = false; |
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// Admin bypass skips the restriction checks |
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if ( ! $admin_bypass ) { |
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// Catch user voted already (by cookie) |
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// if(isset($voting_cookie[$post_id])) { |
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// echo 'Not allowed to vote twice'; |
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// exit; |
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// } else { |
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// Catch user voted already (by user ID or IP) |
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if ( array_key_exists( $identifier, $voting_log ) ) { |
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// Identifier found |
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if ( $voting_log[ $identifier ] == $direction ) { |
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// Voting again in the same direction |
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$remove_vote = true; |
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} elseif ( $voting_log[ $identifier ] == $direction * -1 ) { |
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// Changing the vote in different direction |
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$reverse_vote = true; |
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} else { |
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// Changing vote from 0 |
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} |
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} |
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// } |
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} |
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// All good, add the user's vote |
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// But first get all the data |
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$score = (int) get_post_meta( $post_id, 'bbp_voting_score', true ); |
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$ups = $ups_og = (int) get_post_meta( $post_id, 'bbp_voting_ups', true ); |
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$downs = $downs_og = (int) get_post_meta( $post_id, 'bbp_voting_downs', true ); |
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if ( $direction > 0 ) { |
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// Up vote |
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if ( $remove_vote ) { |
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$ups = $ups - 1; |
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$score = $score - 1; |
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} else { |
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$ups = $ups + 1; |
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$score = $score + 1; |
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} |
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if ( $reverse_vote ) { |
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$downs = $downs + 1; |
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$score = $score + 1; |
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} |
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} elseif ( $direction < 0 ) { |
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// Down vote |
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if ( $remove_vote ) { |
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$downs = $downs + 1; |
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$score = $score + 1; |
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} else { |
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$downs = $downs - 1; |
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$score = $score - 1; |
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} |
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if ( $reverse_vote ) { |
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$ups = $ups - 1; |
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$score = $score - 1; |
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} |
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} |
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// Update the score |
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update_post_meta( $post_id, 'bbp_voting_score', $score ); |
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// Update the ups and downs if needed |
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if ( $ups !== $ups_og ) { |
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update_post_meta( $post_id, 'bbp_voting_ups', $ups ); |
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} |
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if ( $downs !== $downs_og ) { |
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update_post_meta( $post_id, 'bbp_voting_downs', $downs ); |
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} |
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// Hook for additional features like weighted score calculation |
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do_action( 'bbp_voting_process_score_on_vote', $post_id, $ups, $downs ); |
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// Log the user's ID or IP |
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$real_direction = $remove_vote ? 0 : $direction; |
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$voting_log[ $identifier ] = $real_direction; |
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update_post_meta( $post_id, 'bbp_voting_log', $voting_log ); |
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// Set the cookie |
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// $voting_cookie[$post_id] = true; |
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// setcookie('bbp_voting', serialize($voting_cookie), time() + (86400 * 30 * 365), '/'); |
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do_action( 'bbp_voting_voted', $post_id, $real_direction, $score, $identifier ); |
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echo json_encode( |
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[ |
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'score' => $score, |
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'direction' => $real_direction, |
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'ups' => $ups, |
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'downs' => $downs, |
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] |
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); |
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exit; |
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} |
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|
