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Ticket #15197: 15197.export-filtering.diff

File 15197.export-filtering.diff, 12.8 KB (added by duck_, 8 years ago)
  • wp-admin/export.php

     
    1616require_once('./includes/export.php');
    1717$title = __('Export');
    1818
    19 add_contextual_help($current_screen,
     19add_contextual_help( $current_screen,
    2020        '<p>' . __('You can export a file of your site&#8217;s content in order to import it into another installation or platform. The export file will be an XML file format called WXR. Posts, pages, comments, custom fields, categories, and tags can be included. You can set filters to have the WXR file only include a certain date, author, category, tag, all posts or all pages, certain publishing statuses.') . '</p>' .
    2121        '<p>' . __('Once generated, your WXR file can be imported by another WordPress site or by another blogging platform able to access this format.') . '</p>' .
    2222        '<p><strong>' . __('For more information:') . '</strong></p>' .
     
    2525);
    2626
    2727if ( isset( $_GET['download'] ) ) {
    28         export_wp();
     28        $args = array();
     29
     30        if ( ! isset( $_GET['content'] ) || 'all' == $_GET['content'] ) {
     31                $args['content'] = 'all';
     32        } else if ( 'posts' == $_GET['content'] ) {
     33                $args['content'] = 'post';
     34
     35                if ( isset( $_GET['limit_category'] ) )
     36                        $args['category'] = (int) $_GET['cat'];
     37
     38                if ( isset( $_GET['post_limit_author'] ) )
     39                        $args['author'] = (int) $_GET['post_author'];
     40
     41                if ( isset( $_GET['post_limit_date'] ) ) {
     42                        $args['start_date'] = $_GET['post_start_date'];
     43                        $args['end_date'] = $_GET['post_end_date'];
     44                }
     45
     46                $args['published'] = isset( $_GET['published_posts'] );
     47        } else if ( 'pages' == $_GET['content'] ) {
     48                $args['content'] = 'page';
     49
     50                if ( isset( $_GET['page_limit_author'] ) )
     51                        $args['author'] = (int) $_GET['page_author'];
     52
     53                $args['published'] = isset( $_GET['published_pages'] );
     54        } else {
     55                $args['content'] = $_GET['content'];
     56        }
     57
     58        export_wp( $args );
    2959        die();
    3060}
    3161
    3262require_once ('admin-header.php');
    3363
    34 $dateoptions = $edateoptions = '';
    35 $types = "'" . implode("', '", get_post_types( array( 'public' => true, 'can_export' => true ), 'names' )) . "'";
    36 $stati = "'" . implode("', '", get_post_stati( array( 'internal' => false ), 'names' )) . "'";
    37 if ( $monthyears = $wpdb->get_results("SELECT DISTINCT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, YEAR(DATE_ADD(post_date, INTERVAL 1 MONTH)) AS `eyear`, MONTH(DATE_ADD(post_date, INTERVAL 1 MONTH)) AS `emonth` FROM $wpdb->posts WHERE post_type IN ($types) AND post_status IN ($stati) ORDER BY post_date ASC ") ) {
    38         foreach ( $monthyears as $k => $monthyear )
    39                 $monthyears[$k]->lmonth = $wp_locale->get_month( $monthyear->month, 2 );
    40         for( $s = 0, $e = count( $monthyears ) - 1; $e >= 0; $s++, $e-- ) {
    41                 $dateoptions .= "\t<option value=\"" . $monthyears[$s]->year . '-' . zeroise( $monthyears[$s]->month, 2 ) . '">' . $monthyears[$s]->lmonth . ' ' . $monthyears[$s]->year . "</option>\n";
    42                 $edateoptions .= "\t<option value=\"" . $monthyears[$e]->eyear . '-' . zeroise( $monthyears[$e]->emonth, 2 ) . '">' . $monthyears[$e]->lmonth . ' ' . $monthyears[$e]->year . "</option>\n";
     64function export_date_options() {
     65        global $wpdb, $wp_locale;
     66
     67        $months = $wpdb->get_results( "
     68                SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
     69                FROM $wpdb->posts
     70                WHERE post_type = 'post' AND post_status != 'auto-draft'
     71                ORDER BY post_date DESC
     72        " );
     73
     74        $month_count = count( $months );
     75        if ( !$month_count || ( 1 == $month_count && 0 == $months[0]->month ) )
     76                return;
     77
     78        foreach ( $months as $date ) {
     79                if ( 0 == $date->year )
     80                        continue;
     81
     82                $month = zeroise( $date->month, 2 );
     83                echo '<option value="' . $date->year . '-' . $month . '" />' . $wp_locale->get_month( $month ) . ' ' . $date->year . '</option>';
    4384        }
    4485}
    45 
    4686?>
    4787
    4888<div class="wrap">
     
    5292<p><?php _e('When you click the button below WordPress will create an XML file for you to save to your computer.'); ?></p>
    5393<p><?php _e('This format, which we call WordPress eXtended RSS or WXR, will contain your posts, pages, comments, custom fields, categories, and tags.'); ?></p>
    5494<p><?php _e('Once you&#8217;ve saved the download file, you can use the Import function on another WordPress site to import this site.'); ?></p>
     95
     96<h3><?php _e( 'Choose what to export' ); ?></h3>
    5597<form action="" method="get">
    56 <?php submit_button( __('Download Export File'), 'button' ); ?>
    5798<input type="hidden" name="download" value="true" />
    58 </p>
     99<table class="form-table">
     100        <tr>
     101                <th scope="row"><label><input type="radio" name="content" value="all" checked="checked" /> <?php _e( 'All content' ); ?></label></th>
     102                <td><?php _e( 'This will contain all of your posts, pages, comments, custom fields, terms, navigation menus and custom posts.' ); ?></td>
     103        </tr>
     104
     105        <tr>
     106                <th scope="row"><label><input type="radio" name="content" value="posts" /><?php _e( 'Posts' ); ?></label></th>
     107                <td>
     108                        <fieldset>
     109                                <label><input type="checkbox" name="limit_category" value="1" /> <?php _e( 'Limit by category' ); ?></label>
     110                                        <?php wp_dropdown_categories(); ?><br />
     111
     112                                <label><input type="checkbox" name="post_limit_author" value="1" /> <?php _e( 'Limit by author' ); ?></label>
     113                                        <?php wp_dropdown_users( array( 'name' => 'post_author', 'multi' => true ) ); ?><br />
     114
     115                                <label><input type="checkbox" name="post_limit_date" value="1" /> <?php _e( 'Limit by date' ); ?></label>
     116                                        <select name="post_start_date">
     117                                                <option value="0"><?php _e( 'Start Date' ); ?></option>
     118                                                <?php export_date_options(); ?>
     119                                        </select>
     120                                        <select name="post_end_date">
     121                                                <option value="0"><?php _e( 'End Date' ); ?></option>
     122                                                <?php export_date_options(); ?>
     123                                        </select><br />
     124
     125                                <label><input type="checkbox" name="published_posts" value="1" /> <?php _e( 'Published posts only' ); ?></label>
     126                        </fieldset>
     127                </td>
     128        </tr>
     129
     130        <tr>
     131                <th scope="row"><label><input type="radio" name="content" value="pages" /><?php _e( 'Pages' ); ?></label></th>
     132                <td>
     133                        <fieldset>
     134                                <label><input type="checkbox" name="page_limit_author" value="1" /> <?php _e( 'Limit by author' ); ?></label>
     135                                        <?php wp_dropdown_users( array( 'name' => 'page_author', 'multi' => true ) ); ?><br />
     136
     137                                <label><input type="checkbox" name="published_pages" value="1" /> <?php _e( 'Published pages only' ); ?></label>
     138                        </fieldset>
     139                </td>
     140        </tr>
     141
     142<?php foreach ( get_post_types( array( '_builtin' => false, 'public' => true, 'can_export' => true ), 'objects' ) as $post_type ) : ?>
     143        <tr>
     144                <th scope="row"><label><input type="radio" name="content" value="<?php echo $post_type->name; ?>" /><?php echo $post_type->label; ?></label></th>
     145                <td></td>
     146        </tr>
     147<?php endforeach; ?>
     148</table>
     149
     150<?php submit_button( __('Download Export File'), 'secondary' ); ?>
     151
    59152</form>
    60153</div>
    61154
    62 <?php
    63 
    64 
    65 include ('admin-footer.php');
    66 ?>
     155<?php include ('admin-footer.php'); ?>
  • wp-admin/includes/export.php

     
    2525function export_wp( $args = array() ) {
    2626        global $wpdb, $post;
    2727
     28        $defaults = array( 'content' => 'all', 'author' => false, 'category' => false,
     29                'start_date' => false, 'end_date' => false, 'published' => false,
     30        );
     31        $args = wp_parse_args( $args, $defaults );
     32
    2833        do_action( 'export_wp' );
    2934
    3035        $sitename = sanitize_key( get_bloginfo( 'name' ) );
     
    3540        header( 'Content-Disposition: attachment; filename=' . $filename );
    3641        header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ), true );
    3742
    38         // grab a snapshot of post IDs, just in case it changes during the export
    39         $post_ids = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_type != 'revision' AND post_status != 'auto-draft' ORDER BY post_date_gmt ASC" );
     43        $join = '';
     44        if ( $args['published'] && ( 'post' == $args['content'] || 'page' == $args['content'] ) )
     45                $where = "{$wpdb->posts}.post_status = 'publish'";
     46        else
     47                $where = "{$wpdb->posts}.post_status != 'auto-draft'";
    4048
    41         $categories = (array) get_categories( array( 'get' => 'all' ) );
    42         $tags = (array) get_tags( array( 'get' => 'all' ) );
     49        if ( 'all' != $args['content'] && post_type_exists( $args['content'] ) ) {
     50                $ptype = get_post_type_object( $args['content'] );
     51                if ( ! $ptype->can_export )
     52                        $args['content'] = 'post';
    4353
    44         $custom_taxonomies = get_taxonomies( array( '_builtin' => false ) );
    45         $taxonomy_terms = (array) get_terms( $custom_taxonomies, array( 'get' => 'all' ) );
     54                $where .= $wpdb->prepare( " AND {$wpdb->posts}.post_type = %s", $args['content'] );
    4655
    47         // put categories in order with no child going before its parent
    48         $cats = array();
    49         while ( $cat = array_shift( $categories ) ) {
    50                 if ( $cat->parent == 0 || isset( $cats[$cat->parent] ) )
    51                         $cats[$cat->term_id] = $cat;
    52                 else
    53                         $categories[] = $cat;
     56                if ( 'post' == $args['content'] ) {
     57                        if ( $args['category'] && ($term = term_exists( $args['category'], 'category' )) ) {
     58                                $join = "INNER JOIN {$wpdb->term_relationships} ON ({$wpdb->posts}.ID = {$wpdb->term_relationships}.object_id)";
     59                                $where .= $wpdb->prepare( " AND {$wpdb->term_relationships}.term_taxonomy_id = %d", $term['term_id'] );
     60                        }
     61
     62                        if ( $args['start_date'] )
     63                                $where .= $wpdb->prepare( " AND {$wpdb->posts}.post_date >= %s", date( 'Y-m-d', strtotime($args['start_date']) ) );
     64
     65                        if ( $args['end_date'] )
     66                                $where .= $wpdb->prepare( " AND {$wpdb->posts}.post_date < %s", date( 'Y-m-d', strtotime('+1 month', strtotime($args['end_date'])) ) );
     67                }
     68        } else {
     69                $where .= " AND {$wpdb->posts}.post_type != 'revision'";
    5470        }
    5571
    56         // put terms in order with no child going before its parent
    57         $terms = array();
    58         while ( $t = array_shift( $taxonomy_terms ) ) {
    59                 if ( $t->parent == 0 || isset( $terms[$t->parent] ) )
    60                         $terms[$t->term_id] = $t;
    61                 else
    62                         $taxonomy_terms[] = $t;
     72        if ( $args['author'] && ( 'post' == $args['content'] || 'page' == $args['content'] ) )
     73                $where .= $wpdb->prepare( " AND {$wpdb->posts}.post_author = %d", $args['author'] );
     74
     75        // grab a snapshot of post IDs, just in case it changes during the export
     76        $post_ids = $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} $join WHERE $where" );
     77
     78        // get the requested terms ready, empty unless posts filtered by category or all content
     79        $cats = $tags = $terms = array();
     80        if ( isset( $term ) && $term ) {
     81                $cat = get_term( $term['term_id'], 'category' );
     82                $cats = array( $cat->term_id => $cat );
     83                unset( $term, $cat );
     84        } else if ( 'all' == $args['content'] ) {
     85                $categories = (array) get_categories( array( 'get' => 'all' ) );
     86                $tags = (array) get_tags( array( 'get' => 'all' ) );
     87
     88                $custom_taxonomies = get_taxonomies( array( '_builtin' => false ) );
     89                $custom_terms = (array) get_terms( $custom_taxonomies, array( 'get' => 'all' ) );
     90
     91                // put categories in order with no child going before its parent
     92                while ( $cat = array_shift( $categories ) ) {
     93                        if ( $cat->parent == 0 || isset( $cats[$cat->parent] ) )
     94                                $cats[$cat->term_id] = $cat;
     95                        else
     96                                $categories[] = $cat;
     97                }
     98
     99                // put terms in order with no child going before its parent
     100                while ( $t = array_shift( $custom_terms ) ) {
     101                        if ( $t->parent == 0 || isset( $terms[$t->parent] ) )
     102                                $terms[$t->term_id] = $t;
     103                        else
     104                                $custom_terms[] = $t;
     105                }
     106
     107                unset( $categories, $custom_taxonomies, $custom_terms );
    63108        }
    64109
    65110        /**
     
    271316        <title><?php bloginfo_rss( 'name' ); ?></title>
    272317        <link><?php bloginfo_rss( 'url' ); ?></link>
    273318        <description><?php bloginfo_rss( 'description' ); ?></description>
    274         <pubDate><?php echo mysql2date( 'D, d M Y H:i:s +0000', get_lastpostmodified( 'GMT' ), false ); ?></pubDate>
     319        <pubDate><?php echo date( 'D, d M Y H:i:s +0000' ); ?></pubDate>
    275320        <language><?php echo get_option( 'rss_language' ); ?></language>
    276321        <wp:wxr_version><?php echo WXR_VERSION; ?></wp:wxr_version>
    277322        <wp:base_site_url><?php echo wxr_site_url(); ?></wp:base_site_url>
     
    288333<?php foreach ( $terms as $t ) : ?>
    289334        <wp:term><wp:term_id><?php echo $t->term_id ?></wp:term_id><wp:term_taxonomy><?php echo $t->taxonomy; ?></wp:term_taxonomy><wp:term_slug><?php echo $t->slug; ?></wp:term_slug><wp:term_parent><?php echo $t->parent ? $terms[$t->parent]->slug : ''; ?></wp:term_parent><?php wxr_term_name( $t ); ?><?php wxr_term_description( $t ); ?></wp:term>
    290335<?php endforeach; ?>
    291 <?php wxr_nav_menu_terms(); ?>
     336<?php if ( 'all' == $args['content'] ) wxr_nav_menu_terms(); ?>
    292337
    293338        <?php do_action( 'rss2_head' ); ?>
    294339
     
    299344        // fetch 20 posts at a time rather than loading the entire table into memory
    300345        while ( $next_posts = array_splice( $post_ids, 0, 20 ) ) {
    301346        $where = "WHERE ID IN (" . join( ',', $next_posts ) . ")";
    302         $posts = $wpdb->get_results( "SELECT * FROM $wpdb->posts $where ORDER BY post_date_gmt ASC" );
     347        $posts = $wpdb->get_results( "SELECT * FROM {$wpdb->posts} $where" );
    303348
    304349        // Begin Loop
    305350        foreach ( $posts as $post ) {