bbp_new_reply_handler( string $action = '' )

Handles the front end reply submission

Description

Parameters

$action

(Optional) The requested action to compare this function to

Default value: ''

Source

File: bp-forums/replies/functions.php

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function bbp_new_reply_handler( $action = '' ) {
 
    // Bail if action is not bbp-new-reply
    if ( 'bbp-new-reply' !== $action )
        return;
 
    // Nonce check
    if ( ! bbp_verify_nonce_request( 'bbp-new-reply' ) ) {
        bbp_add_error( 'bbp_new_reply_nonce', __( '<strong>ERROR</strong>: Are you sure you wanted to do that?', 'buddyboss' ) );
        return;
    }
 
    // Define local variable(s)
    $topic_id = $forum_id = $reply_author = $anonymous_data = $reply_to = 0;
    $reply_title = $reply_content = $terms = '';
 
    /** Reply Author **********************************************************/
 
    // User is anonymous
    if ( bbp_is_anonymous() ) {
 
        // Filter anonymous data
        $anonymous_data = bbp_filter_anonymous_post_data();
 
        // Anonymous data checks out, so set cookies, etc...
        if ( !empty( $anonymous_data ) && is_array( $anonymous_data ) ) {
            bbp_set_current_anonymous_user_data( $anonymous_data );
        }
 
    // User is logged in
    } else {
 
        // User cannot create replies
        if ( !current_user_can( 'publish_replies' ) ) {
            bbp_add_error( 'bbp_reply_permissions', __( '<strong>ERROR</strong>: You do not have permission to reply.', 'buddyboss' ) );
        }
 
        // Reply author is current user
        $reply_author = bbp_get_current_user_id();
 
    }
 
    /** Topic ID **************************************************************/
 
    // Topic id was not passed
    if ( empty( $_POST['bbp_topic_id'] ) ) {
        bbp_add_error( 'bbp_reply_topic_id', __( '<strong>ERROR</strong>: Discussion ID is missing.', 'buddyboss' ) );
 
    // Topic id is not a number
    } elseif ( ! is_numeric( $_POST['bbp_topic_id'] ) ) {
        bbp_add_error( 'bbp_reply_topic_id', __( '<strong>ERROR</strong>: Discussion ID must be a number.', 'buddyboss' ) );
 
    // Topic id might be valid
    } else {
 
        // Get the topic id
        $posted_topic_id = intval( $_POST['bbp_topic_id'] );
 
        // Topic id is a negative number
        if ( 0 > $posted_topic_id ) {
            bbp_add_error( 'bbp_reply_topic_id', __( '<strong>ERROR</strong>: Discussion ID cannot be a negative number.', 'buddyboss' ) );
 
        // Topic does not exist
        } elseif ( ! bbp_get_topic( $posted_topic_id ) ) {
            bbp_add_error( 'bbp_reply_topic_id', __( '<strong>ERROR</strong>: Discussion does not exist.', 'buddyboss' ) );
 
        // Use the POST'ed topic id
        } else {
            $topic_id = $posted_topic_id;
        }
    }
 
    /** Forum ID **************************************************************/
 
    // Try to use the forum id of the topic
    if ( !isset( $_POST['bbp_forum_id'] ) && !empty( $topic_id ) ) {
        $forum_id = bbp_get_topic_forum_id( $topic_id );
 
    // Error check the POST'ed forum id
    } elseif ( isset( $_POST['bbp_forum_id'] ) ) {
 
        // Empty Forum id was passed
        if ( empty( $_POST['bbp_forum_id'] ) ) {
            bbp_add_error( 'bbp_reply_forum_id', __( '<strong>ERROR</strong>: Forum ID is missing.', 'buddyboss' ) );
 
        // Forum id is not a number
        } elseif ( ! is_numeric( $_POST['bbp_forum_id'] ) ) {
            bbp_add_error( 'bbp_reply_forum_id', __( '<strong>ERROR</strong>: Forum ID must be a number.', 'buddyboss' ) );
 
        // Forum id might be valid
        } else {
 
            // Get the forum id
            $posted_forum_id = intval( $_POST['bbp_forum_id'] );
 
            // Forum id is empty
            if ( 0 === $posted_forum_id ) {
                bbp_add_error( 'bbp_topic_forum_id', __( '<strong>ERROR</strong>: Forum ID is missing.', 'buddyboss' ) );
 
            // Forum id is a negative number
            } elseif ( 0 > $posted_forum_id ) {
                bbp_add_error( 'bbp_topic_forum_id', __( '<strong>ERROR</strong>: Forum ID cannot be a negative number.', 'buddyboss' ) );
 
            // Forum does not exist
            } elseif ( ! bbp_get_forum( $posted_forum_id ) ) {
                bbp_add_error( 'bbp_topic_forum_id', __( '<strong>ERROR</strong>: Forum does not exist.', 'buddyboss' ) );
 
            // Use the POST'ed forum id
            } else {
                $forum_id = $posted_forum_id;
            }
        }
    }
 
    // Forum exists
    if ( !empty( $forum_id ) ) {
 
        // Forum is a category
        if ( bbp_is_forum_category( $forum_id ) ) {
            bbp_add_error( 'bbp_new_reply_forum_category', __( '<strong>ERROR</strong>: This forum is a category. No replies can be created in this forum.', 'buddyboss' ) );
 
        // Forum is not a category
        } else {
 
            // Forum is closed and user cannot access
            if ( bbp_is_forum_closed( $forum_id ) && !current_user_can( 'edit_forum', $forum_id ) ) {
                bbp_add_error( 'bbp_new_reply_forum_closed', __( '<strong>ERROR</strong>: This forum has been closed to new replies.', 'buddyboss' ) );
            }
 
            // Forum is private and user cannot access
            if ( bbp_is_forum_private( $forum_id ) ) {
                if ( !current_user_can( 'read_private_forums' ) ) {
                    bbp_add_error( 'bbp_new_reply_forum_private', __( '<strong>ERROR</strong>: This forum is private and you do not have the capability to read or create new replies in it.', 'buddyboss' ) );
                }
 
            // Forum is hidden and user cannot access
            } elseif ( bbp_is_forum_hidden( $forum_id ) ) {
                if ( !current_user_can( 'read_hidden_forums' ) ) {
                    bbp_add_error( 'bbp_new_reply_forum_hidden', __( '<strong>ERROR</strong>: This forum is hidden and you do not have the capability to read or create new replies in it.', 'buddyboss' ) );
                }
            }
        }
    }
 
    /** Unfiltered HTML *******************************************************/
 
    // Remove kses filters from title and content for capable users and if the nonce is verified
    if ( current_user_can( 'unfiltered_html' ) && !empty( $_POST['_bbp_unfiltered_html_reply'] ) && wp_create_nonce( 'bbp-unfiltered-html-reply_' . $topic_id ) === $_POST['_bbp_unfiltered_html_reply'] ) {
        remove_filter( 'bbp_new_reply_pre_title',   'wp_filter_kses'      );
        remove_filter( 'bbp_new_reply_pre_content', 'bbp_encode_bad',  10 );
        remove_filter( 'bbp_new_reply_pre_content', 'bbp_filter_kses', 30 );
    }
 
    /** Reply Title ***********************************************************/
 
    if ( !empty( $_POST['bbp_reply_title'] ) )
        $reply_title = esc_attr( strip_tags( $_POST['bbp_reply_title'] ) );
 
    // Filter and sanitize
    $reply_title = apply_filters( 'bbp_new_reply_pre_title', $reply_title );
 
    /** Reply Content *********************************************************/
 
    if ( !empty( $_POST['bbp_reply_content'] ) )
        $reply_content = $_POST['bbp_reply_content'];
 
    // Filter and sanitize
    $reply_content = apply_filters( 'bbp_new_reply_pre_content', $reply_content );
 
    // No reply content
    if ( empty( $reply_content ) )
        bbp_add_error( 'bbp_reply_content', __( '<strong>ERROR</strong>: Your reply cannot be empty.', 'buddyboss' ) );
 
    /** Reply Flooding ********************************************************/
 
    if ( !bbp_check_for_flood( $anonymous_data, $reply_author ) )
        bbp_add_error( 'bbp_reply_flood', __( '<strong>ERROR</strong>: Slow down; you move too fast.', 'buddyboss' ) );
 
    /** Reply Duplicate *******************************************************/
 
    if ( !bbp_check_for_duplicate( array( 'post_type' => bbp_get_reply_post_type(), 'post_author' => $reply_author, 'post_content' => $reply_content, 'post_parent' => $topic_id, 'anonymous_data' => $anonymous_data ) ) )
        bbp_add_error( 'bbp_reply_duplicate', __( '<strong>ERROR</strong>: Duplicate reply detected; it looks as though you\'ve already said that!', 'buddyboss' ) );
 
    /** Reply Blacklist *******************************************************/
 
    if ( !bbp_check_for_blacklist( $anonymous_data, $reply_author, $reply_title, $reply_content ) )
        bbp_add_error( 'bbp_reply_blacklist', __( '<strong>ERROR</strong>: Your reply cannot be created at this time.', 'buddyboss' ) );
 
    /** Reply Status **********************************************************/
 
    // Maybe put into moderation
    if ( !bbp_check_for_moderation( $anonymous_data, $reply_author, $reply_title, $reply_content ) ) {
        $reply_status = bbp_get_pending_status_id();
 
    // Default
    } else {
        $reply_status = bbp_get_public_status_id();
    }
 
    /** Reply To **************************************************************/
 
    // Handle Reply To of the reply; $_REQUEST for non-JS submissions
    if ( isset( $_REQUEST['bbp_reply_to'] ) ) {
        $reply_to = bbp_validate_reply_to( $_REQUEST['bbp_reply_to'] );
    }
 
    /** Topic Closed **********************************************************/
 
    // If topic is closed, moderators can still reply
    if ( bbp_is_topic_closed( $topic_id ) && ! current_user_can( 'moderate' ) ) {
        bbp_add_error( 'bbp_reply_topic_closed', __( '<strong>ERROR</strong>: Discussion is closed.', 'buddyboss' ) );
    }
 
    /** Topic Tags ************************************************************/
 
    // Either replace terms
    if ( bbp_allow_topic_tags() && current_user_can( 'assign_topic_tags' ) && ! empty( $_POST['bbp_topic_tags'] ) ) {
        $terms = esc_attr( strip_tags( $_POST['bbp_topic_tags'] ) );
 
    // ...or remove them.
    } elseif ( isset( $_POST['bbp_topic_tags'] ) ) {
        $terms = '';
 
    // Existing terms
    } else {
        $terms = bbp_get_topic_tag_names( $topic_id );
    }
 
    /** Additional Actions (Before Save) **************************************/
 
    do_action( 'bbp_new_reply_pre_extras', $topic_id, $forum_id );
 
    // Bail if errors
    if ( bbp_has_errors() )
        return;
 
    /** No Errors *************************************************************/
 
    // Add the content of the form to $reply_data as an array
    // Just in time manipulation of reply data before being created
    $reply_data = apply_filters( 'bbp_new_reply_pre_insert', array(
        'post_author'    => $reply_author,
        'post_title'     => $reply_title,
        'post_content'   => $reply_content,
        'post_status'    => $reply_status,
        'post_parent'    => $topic_id,
        'post_type'      => bbp_get_reply_post_type(),
        'comment_status' => 'closed',
        'menu_order'     => bbp_get_topic_reply_count( $topic_id, false ) + 1
    ) );
 
    // Insert reply
    $reply_id = wp_insert_post( $reply_data );
 
    /** No Errors *************************************************************/
 
    // Check for missing reply_id or error
    if ( !empty( $reply_id ) && !is_wp_error( $reply_id ) ) {
 
        /** Topic Tags ********************************************************/
 
        // Just in time manipulation of reply terms before being edited
        $terms = apply_filters( 'bbp_new_reply_pre_set_terms', $terms, $topic_id, $reply_id );
 
        // Insert terms
        $terms = wp_set_post_terms( $topic_id, $terms, bbp_get_topic_tag_tax_id(), false );
 
        // Term error
        if ( is_wp_error( $terms ) ) {
            bbp_add_error( 'bbp_reply_tags', __( '<strong>ERROR</strong>: There was a problem adding the tags to the topic.', 'buddyboss' ) );
        }
 
        /** Trash Check *******************************************************/
 
        // If this reply starts as trash, add it to pre_trashed_replies
        // for the topic, so it is properly restored.
        if ( bbp_is_topic_trash( $topic_id ) || ( $reply_data['post_status'] === bbp_get_trash_status_id() ) ) {
 
            // Trash the reply
            wp_trash_post( $reply_id );
 
            // Only add to pre-trashed array if topic is trashed
            if ( bbp_is_topic_trash( $topic_id ) ) {
 
                // Get pre_trashed_replies for topic
                $pre_trashed_replies = (array) get_post_meta( $topic_id, '_bbp_pre_trashed_replies', true );
 
                // Add this reply to the end of the existing replies
                $pre_trashed_replies[] = $reply_id;
 
                // Update the pre_trashed_reply post meta
                update_post_meta( $topic_id, '_bbp_pre_trashed_replies', $pre_trashed_replies );
            }
 
        /** Spam Check ********************************************************/
 
        // If reply or topic are spam, officially spam this reply
        } elseif ( bbp_is_topic_spam( $topic_id ) || ( $reply_data['post_status'] === bbp_get_spam_status_id() ) ) {
            add_post_meta( $reply_id, '_bbp_spam_meta_status', bbp_get_public_status_id() );
 
            // Only add to pre-spammed array if topic is spam
            if ( bbp_is_topic_spam( $topic_id ) ) {
 
                // Get pre_spammed_replies for topic
                $pre_spammed_replies = (array) get_post_meta( $topic_id, '_bbp_pre_spammed_replies', true );
 
                // Add this reply to the end of the existing replies
                $pre_spammed_replies[] = $reply_id;
 
                // Update the pre_spammed_replies post meta
                update_post_meta( $topic_id, '_bbp_pre_spammed_replies', $pre_spammed_replies );
            }
        }
 
        /** Update counts, etc... *********************************************/
 
        do_action( 'bbp_new_reply', $reply_id, $topic_id, $forum_id, $anonymous_data, $reply_author, false, $reply_to );
 
        /** Additional Actions (After Save) ***********************************/
 
        do_action( 'bbp_new_reply_post_extras', $reply_id );
 
        /** Redirect **********************************************************/
 
        // Redirect to
        $redirect_to = bbp_get_redirect_to();
 
        // Get the reply URL
        $reply_url = bbp_get_reply_url( $reply_id, $redirect_to );
 
        // Allow to be filtered
        $reply_url = apply_filters( 'bbp_new_reply_redirect_to', $reply_url, $redirect_to, $reply_id );
 
        /** Successful Save ***************************************************/
 
        // Redirect back to new reply
        wp_safe_redirect( $reply_url );
 
        // For good measure
        exit();
 
    /** Errors ****************************************************************/
 
    } else {
        $append_error = ( is_wp_error( $reply_id ) && $reply_id->get_error_message() ) ? $reply_id->get_error_message() . ' ' : '';
        bbp_add_error( 'bbp_reply_error', __( '<strong>ERROR</strong>: The following problem(s) have been found with your reply:' . $append_error . 'Please try again.', 'buddyboss' ) );
    }
}

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Changelog
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bbPress (r2574) Introduced.

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