bbp_edit_topic_handler( string $action = '' )

Handles the front end edit topic submission

Description

Parameters

$action

(Optional) The requested action to compare this function to.

Default value: ''

Source

File: bp-forums/topics/functions.php

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function bbp_edit_topic_handler( $action = '' ) {
 
    // Bail if action is not bbp-edit-topic
    if ( 'bbp-edit-topic' !== $action )
        return;
 
    // Define local variable(s)
    $revisions_removed = false;
    $topic = $topic_id = $topic_author = $forum_id = $anonymous_data = 0;
    $topic_title = $topic_content = $topic_edit_reason = '';
 
    /** Topic *****************************************************************/
 
    // Topic id was not passed
    if ( empty( $_POST['bbp_topic_id'] ) ) {
        bbp_add_error( 'bbp_edit_topic_id', __( '<strong>ERROR</strong>: Discussion ID not found.', 'buddyboss' ) );
        return;
 
    // Topic id was passed
    } elseif ( is_numeric( $_POST['bbp_topic_id'] ) ) {
        $topic_id = (int) $_POST['bbp_topic_id'];
        $topic    = bbp_get_topic( $topic_id );
    }
 
    // Topic does not exist
    if ( empty( $topic ) ) {
        bbp_add_error( 'bbp_edit_topic_not_found', __( '<strong>ERROR</strong>: The discussion you want to edit was not found.', 'buddyboss' ) );
        return;
 
    // Topic exists
    } else {
 
        // Check users ability to create new topic
        if ( ! bbp_is_topic_anonymous( $topic_id ) ) {
 
            // User cannot edit this topic
            if ( !current_user_can( 'edit_topic', $topic_id ) ) {
                bbp_add_error( 'bbp_edit_topic_permissions', __( '<strong>ERROR</strong>: You do not have permission to edit that discussion.', 'buddyboss' ) );
            }
 
            // Set topic author
            $topic_author = bbp_get_topic_author_id( $topic_id );
 
        // It is an anonymous post
        } else {
 
            // Filter anonymous data
            $anonymous_data = bbp_filter_anonymous_post_data( array(), true );
        }
    }
 
    // Nonce check
    if ( ! bbp_verify_nonce_request( 'bbp-edit-topic_' . $topic_id ) ) {
        bbp_add_error( 'bbp_edit_topic_nonce', __( '<strong>ERROR</strong>: Are you sure you wanted to do that?', 'buddyboss' ) );
        return;
    }
 
    // 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_topic'] ) && ( wp_create_nonce( 'bbp-unfiltered-html-topic_' . $topic_id ) === $_POST['_bbp_unfiltered_html_topic'] ) ) {
        remove_filter( 'bbp_edit_topic_pre_title',   'wp_filter_kses'      );
        remove_filter( 'bbp_edit_topic_pre_content', 'bbp_encode_bad',  10 );
        remove_filter( 'bbp_edit_topic_pre_content', 'bbp_filter_kses', 30 );
    }
 
    /** Topic Forum ***********************************************************/
 
    // Forum id was not passed
    if ( empty( $_POST['bbp_forum_id'] ) ) {
        bbp_add_error( 'bbp_topic_forum_id', __( '<strong>ERROR</strong>: Forum ID is missing.', 'buddyboss' ) );
 
    // Forum id was passed
    } elseif ( is_numeric( $_POST['bbp_forum_id'] ) ) {
        $forum_id = (int) $_POST['bbp_forum_id'];
    }
 
    // Current forum this topic is in
    $current_forum_id = bbp_get_topic_forum_id( $topic_id );
 
    // Forum exists
    if ( !empty( $forum_id ) && ( $forum_id !== $current_forum_id ) ) {
 
        // Forum is a category
        if ( bbp_is_forum_category( $forum_id ) ) {
            bbp_add_error( 'bbp_edit_topic_forum_category', __( '<strong>ERROR</strong>: This forum is a category. No topics can be created in it.', '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_edit_topic_forum_closed', __( '<strong>ERROR</strong>: This forum has been closed to new discussions.', '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_edit_topic_forum_private', __( '<strong>ERROR</strong>: This forum is private and you do not have the capability to read or create new discussions 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_edit_topic_forum_hidden', __( '<strong>ERROR</strong>: This forum is hidden and you do not have the capability to read or create new discussions in it.', 'buddyboss' ) );
                }
            }
        }
    }
 
    /** Discussion Title ***********************************************************/
 
    if ( !empty( $_POST['bbp_topic_title'] ) )
        $topic_title = esc_attr( strip_tags( $_POST['bbp_topic_title'] ) );
 
    // Filter and sanitize
    $topic_title = apply_filters( 'bbp_edit_topic_pre_title', $topic_title, $topic_id );
 
    // No topic title
    if ( empty( $topic_title ) )
        bbp_add_error( 'bbp_edit_topic_title', __( '<strong>ERROR</strong>: Your discussion needs a subject.', 'buddyboss' ) );
 
    /** Topic Content *********************************************************/
 
    if ( !empty( $_POST['bbp_topic_content'] ) )
        $topic_content = $_POST['bbp_topic_content'];
 
    // Filter and sanitize
    $topic_content = apply_filters( 'bbp_edit_topic_pre_content', $topic_content, $topic_id );
 
    // No topic content
    if ( empty( $topic_content ) )
        bbp_add_error( 'bbp_edit_topic_content', __( '<strong>ERROR</strong>: Your discussion cannot be empty.', 'buddyboss' ) );
 
    /** Topic Blacklist *******************************************************/
 
    if ( !bbp_check_for_blacklist( $anonymous_data, $topic_author, $topic_title, $topic_content ) )
        bbp_add_error( 'bbp_topic_blacklist', __( '<strong>ERROR</strong>: Your discussion cannot be edited at this time.', 'buddyboss' ) );
 
    /** Topic Status **********************************************************/
 
    // Maybe put into moderation
    if ( !bbp_check_for_moderation( $anonymous_data, $topic_author, $topic_title, $topic_content ) ) {
 
        // Set post status to pending if public or closed
        if ( in_array( $topic->post_status, array( bbp_get_public_status_id(), bbp_get_closed_status_id() ) ) ) {
            $topic_status = bbp_get_pending_status_id();
        }
 
    // Check a whitelist of possible topic status ID's
    } elseif ( !empty( $_POST['bbp_topic_status'] ) && in_array( $_POST['bbp_topic_status'], array_keys( bbp_get_topic_statuses() ) ) ) {
        $topic_status = $_POST['bbp_topic_status'];
 
    // Use existing post_status
    } else {
        $topic_status = $topic->post_status;
    }
 
    /** Topic Tags ************************************************************/
 
    // Either replace terms
    if ( bbp_allow_topic_tags() && current_user_can( 'assign_topic_tags' ) && ! empty( $_POST['bbp_topic_tags'] ) ) {
 
        // Escape tag input
        $terms = esc_attr( strip_tags( $_POST['bbp_topic_tags'] ) );
 
        // Explode by comma
        if ( strstr( $terms, ',' ) )
            $terms = explode( ',', $terms );
 
        // Add topic tag ID as main key
        $terms = array( bbp_get_topic_tag_tax_id() => $terms );
 
    // ...or remove them.
    } elseif ( isset( $_POST['bbp_topic_tags'] ) ) {
        $terms = array( bbp_get_topic_tag_tax_id() => array() );
 
    // Existing terms
    } else {
        $terms = array( bbp_get_topic_tag_tax_id() => explode( ',', bbp_get_topic_tag_names( $topic_id, ',' ) ) );
    }
 
    /** Additional Actions (Before Save) **************************************/
 
    do_action( 'bbp_edit_topic_pre_extras', $topic_id );
 
    // Bail if errors
    if ( bbp_has_errors() )
        return;
 
    /** No Errors *************************************************************/
 
    // Add the content of the form to $topic_data as an array
    // Just in time manipulation of topic data before being edited
    $topic_data = apply_filters( 'bbp_edit_topic_pre_insert', array(
        'ID'           => $topic_id,
        'post_title'   => $topic_title,
        'post_content' => $topic_content,
        'post_status'  => $topic_status,
        'post_parent'  => $forum_id,
        'post_author'  => $topic_author,
        'post_type'    => bbp_get_topic_post_type(),
        'tax_input'    => $terms,
    ) );
 
    // Toggle revisions to avoid duplicates
    if ( post_type_supports( bbp_get_topic_post_type(), 'revisions' ) ) {
        $revisions_removed = true;
        remove_post_type_support( bbp_get_topic_post_type(), 'revisions' );
    }
 
    // Insert topic
    $topic_id = wp_update_post( $topic_data );
 
    // Toggle revisions back on
    if ( true === $revisions_removed ) {
        $revisions_removed = false;
        add_post_type_support( bbp_get_topic_post_type(), 'revisions' );
    }
 
    /** No Errors *************************************************************/
 
    if ( !empty( $topic_id ) && !is_wp_error( $topic_id ) ) {
 
        // Update counts, etc...
        do_action( 'bbp_edit_topic', $topic_id, $forum_id, $anonymous_data, $topic_author , true /* Is edit */ );
 
        /** Revisions *********************************************************/
 
        // Revision Reason
        if ( !empty( $_POST['bbp_topic_edit_reason'] ) ) {
            $topic_edit_reason = esc_attr( strip_tags( $_POST['bbp_topic_edit_reason'] ) );
        }
 
        // Update revision log
        if ( !empty( $_POST['bbp_log_topic_edit'] ) && ( "1" === $_POST['bbp_log_topic_edit'] ) )  {
            $revision_id = wp_save_post_revision( $topic_id );
            if ( ! empty( $revision_id ) ) {
                bbp_update_topic_revision_log( array(
                    'topic_id'    => $topic_id,
                    'revision_id' => $revision_id,
                    'author_id'   => bbp_get_current_user_id(),
                    'reason'      => $topic_edit_reason
                ) );
            }
        }
 
        /** Move Topic ********************************************************/
 
        // If the new forum id is not equal to the old forum id, run the
        // bbp_move_topic action and pass the topic's forum id as the
        // first arg and topic id as the second to update counts.
        if ( $forum_id !== $topic->post_parent ) {
            bbp_move_topic_handler( $topic_id, $topic->post_parent, $forum_id );
        }
 
        /** Stickies **********************************************************/
 
        if ( !empty( $_POST['bbp_stick_topic'] ) && in_array( $_POST['bbp_stick_topic'], array_keys( bbp_get_topic_types() ) ) ) {
 
            // What's the caps?
            if ( current_user_can( 'moderate' ) ) {
 
                // What's the haps?
                switch ( $_POST['bbp_stick_topic'] ) {
 
                    // Sticky in forum
                    case 'stick'   :
                        bbp_stick_topic( $topic_id );
                        break;
 
                    // Sticky in all forums
                    case 'super'   :
                        bbp_stick_topic( $topic_id, true );
                        break;
 
                    // Normal
                    case 'unstick' :
                    default        :
                        bbp_unstick_topic( $topic_id );
                        break;
                }
            }
        }
 
        /** Additional Actions (After Save) ***********************************/
 
        do_action( 'bbp_edit_topic_post_extras', $topic_id );
 
        /** Redirect **********************************************************/
 
        // Redirect to
        $redirect_to = bbp_get_redirect_to();
 
        // View all?
        $view_all = bbp_get_view_all();
 
        // Get the topic URL
        $topic_url = bbp_get_topic_permalink( $topic_id, $redirect_to );
 
        // Add view all?
        if ( !empty( $view_all ) )
            $topic_url = bbp_add_view_all( $topic_url );
 
        // Allow to be filtered
        $topic_url = apply_filters( 'bbp_edit_topic_redirect_to', $topic_url, $view_all, $redirect_to );
 
        /** Successful Edit ***************************************************/
 
        // Redirect back to new topic
        wp_safe_redirect( $topic_url );
 
        // For good measure
        exit();
 
    /** Errors ****************************************************************/
 
    } else {
        $append_error = ( is_wp_error( $topic_id ) && $topic_id->get_error_message() ) ? $topic_id->get_error_message() . ' ' : '';
        bbp_add_error( 'bbp_topic_error', __( '<strong>ERROR</strong>: The following problem(s) have been found with your topic:' . $append_error . 'Please try again.', 'buddyboss' ) );
    }
}

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