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Changeset 4556


Ignore:
Timestamp:
11/30/2006 08:48:56 AM (15 years ago)
Author:
markjaquith
Message:

Remember old post slugs and automatically redirect to the new slug. fixes #3202

Location:
trunk
Files:
5 edited

Legend:

Unmodified
Added
Removed
  • trunk/wp-admin/admin-functions.php

    r4552 r4556  
    20702070}
    20712071
     2072
     2073function wp_check_for_changed_slugs($post_id) {
     2074    if ( !strlen($_POST['wp-old-slug']) )
     2075        return $post_id;
     2076
     2077    $post = &get_post($post_id);
     2078
     2079    // we're only concerned with published posts
     2080    if ( $post->post_status != 'publish' || $post->post_type != 'post' )
     2081        return $post_id;
     2082
     2083    // only bother if the slug has changed
     2084    if ( $post->post_name == $_POST['wp-old-slug'] )
     2085        return $post_id;
     2086
     2087    $old_slugs = get_post_meta($post_id, '_wp_old_slug');
     2088
     2089    // if we haven't added this old slug before, add it now
     2090    if ( !count($old_slugs) || !in_array($_POST['wp-old-slug'], $old_slugs) )
     2091        add_post_meta($post_id, '_wp_old_slug', $_POST['wp-old-slug']);
     2092
     2093    // if the new slug was used previously, delete it from the list
     2094    if ( in_array($post->post_name, $old_slugs) )
     2095        delete_post_meta($post_id, '_wp_old_slug', $post->post_name);
     2096
     2097    return $post_id;
     2098}
     2099
     2100
     2101function wp_remember_old_slug() {
     2102    global $post;
     2103    $name = wp_specialchars($post->post_name); // just in case
     2104    if ( strlen($name) )
     2105        echo '<input type="hidden" id="wp-old-slug" name="wp-old-slug" value="' . $name . '" />';
     2106}
     2107
     2108
    20722109// If siteurl or home changed, reset cookies and flush rewrite rules.
    20732110function update_home_siteurl( $old_value, $value ) {
  • trunk/wp-admin/upgrade-functions.php

    r4495 r4556  
    175175    if ( $wp_current_db_version < 3845 )
    176176        upgrade_210();
     177
     178    if ( $wp_current_db_version < 4351 )
     179        upgrade_old_slugs();
    177180
    178181    $wp_rewrite->flush_rules();
     
    544547    }
    545548}
     549
     550function upgrade_old_slugs() {
     551    // upgrade people who were using the Redirect Old Slugs plugin
     552    global $wpdb;
     553    $wpdb->query("UPDATE $wpdb->postmeta SET meta_key = '_wp_old_slug' WHERE meta_key = 'old_slug'");
     554}
     555
    546556
    547557// The functions we use to actually do stuff
  • trunk/wp-includes/default-filters.php

    r4265 r4556  
    147147add_filter('mce_buttons', '_mce_add_direction_buttons');
    148148
     149// Redirect Old Slugs
     150add_action('template_redirect', 'wp_old_slug_redirect');
     151add_action('edit_post', 'wp_check_for_changed_slugs');
     152add_action('edit_form_advanced', 'wp_remember_old_slug');
     153
    149154// Actions
    150155add_action('wp_head', 'rsd_link');
  • trunk/wp-includes/query.php

    r4517 r4556  
    11171117}
    11181118
     1119
     1120// Redirect old slugs
     1121function wp_old_slug_redirect () {
     1122    global $wp_query;
     1123    if ( is_404() && '' != $wp_query->query_vars['name'] ) :
     1124        global $wpdb;
     1125
     1126        $query = "SELECT post_id FROM $wpdb->postmeta, $wpdb->posts WHERE ID = post_id AND meta_key = '_wp_old_slug' AND meta_value='" . $wp_query->query_vars['name'] . "'";
     1127
     1128        // if year, monthnum, or day have been specified, make our query more precise
     1129        // just in case there are multiple identical _wp_old_slug values
     1130        if ( '' != $wp_query->query_vars['year'] )
     1131            $query .= " AND YEAR(post_date) = '{$wp_query->query_vars['year']}'";
     1132        if ( '' != $wp_query->query_vars['monthnum'] )
     1133            $query .= " AND MONTH(post_date) = '{$wp_query->query_vars['monthnum']}'";
     1134        if ( '' != $wp_query->query_vars['day'] )
     1135            $query .= " AND DAYOFMONTH(post_date) = '{$wp_query->query_vars['day']}'";
     1136
     1137        $id = (int) $wpdb->get_var($query);
     1138
     1139        if ( !$id )
     1140            return;
     1141
     1142        $link = get_permalink($id);
     1143
     1144        if ( !$link )
     1145            return;
     1146
     1147        wp_redirect($link, '301'); // Permanent redirect
     1148        exit;
     1149    endif;
     1150}
     1151
     1152
    11191153//
    11201154// Private helper functions
  • trunk/wp-includes/version.php

    r4551 r4556  
    44
    55$wp_version = '2.1-alpha3';
    6 $wp_db_version = 4350;
     6$wp_db_version = 4351;
    77
    88?>
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