WordPress/wp-admin/import/jkw.php

238 lines
8.6 KiB
PHP

<?php
class JeromesKeyword_Import {
function header() {
echo '<div class="wrap">';
echo '<h2>'.__('Import Jerome&#8217;s Keywords').'</h2>';
echo '<p>'.__('Steps may take a few minutes depending on the size of your database. Please be patient.').'<br /><br /></p>';
}
function footer() {
echo '</div>';
}
function greet() {
echo '<div class="narrow">';
echo '<p>'.__('Howdy! This imports tags from an existing Jerome&#8217;s Keywords installation into this blog using the new WordPress native tagging structure.').'</p>';
echo '<p>'.__('This is suitable for Jerome&#8217;s Keywords version 1.x and 2.0a.').'</p>';
echo '<p><strong>'.__('All existing Jerome&#8217;s Keywords will be removed after import.').'</strong></p>';
echo '<p><strong>'.__('Don&#8217;t be stupid - backup your database before proceeding!').'</strong></p>';
echo '<form action="admin.php?import=jkw&amp;step=1" method="post">';
wp_nonce_field('import-jkw');
echo '<p class="submit"><input type="submit" name="submit" value="'.__('Import Version 1.x &raquo;').'" /></p>';
echo '</form>';
echo '<form action="admin.php?import=jkw&amp;step=3" method="post">';
wp_nonce_field('import-jkw');
echo '<p class="submit"><input type="submit" name="submit" value="'.__('Import Version 2.0a &raquo;').'" /></p>';
echo '</form>';
echo '</div>';
}
function dispatch () {
if ( empty( $_GET['step'] ) ) {
$step = 0;
} else {
$step = (int) $_GET['step'];
}
// load the header
$this->header();
switch ( $step ) {
case 0 :
$this->greet();
break;
case 1 :
check_admin_referer('import-jkw');
$this->check_V1_post_keyword( true );
break;
case 2 :
check_admin_referer('import-jkw');
$this->check_V1_post_keyword( false );
break;
case 3 :
check_admin_referer('import-jkw');
$this->check_V2_post_keyword( true );
break;
case 4 :
check_admin_referer('import-jkw');
$this->check_V2_post_keyword( false );
break;
case 5:
check_admin_referer('import-jkw');
$this->cleanup_V2_import();
break;
case 6:
$this->done();
break;
}
// load the footer
$this->footer();
}
function check_V1_post_keyword ( $precheck = true ) {
global $wpdb;
echo '<div class="narrow">';
echo '<p><h3>'.__('Reading Jerome&#8217;s Keywords Tags&#8230;').'</h3></p>';
// import Jerome's Keywords tags
$qry = "SELECT post_id, meta_id, meta_key, meta_value FROM $wpdb->postmeta WHERE $wpdb->postmeta.meta_key = 'keywords'";
$metakeys = $wpdb->get_results($qry);
if ( !is_array($metakeys)) {
echo '<p>' . __('No Tags Found!') . '</p>';
return false;
} else {
$count = count($metakeys);
echo '<p>' . sprintf( __('Done! <strong>%s</strong> posts with tags were read.'), $count ) . '<br /></p>';
echo '<ul>';
foreach ($metakeys as $post_meta) {
if ($post_meta->meta_value != '') {
$post_keys = explode(',', $post_meta->meta_value);
foreach($post_keys as $keyword) {
$keyword = addslashes(trim($keyword));
if ($keyword != ''){
echo '<li>' . $post_meta->post_id . '&nbsp;-&nbsp;' . $keyword . '</li>';
if( !$precheck ){
wp_add_post_tags($post_meta->post_id, $keyword);
}
}
}
}
if( !$precheck ){
delete_post_meta($post_meta->post_id, 'keywords');
}
}
echo '</ul>';
}
echo '<form action="admin.php?import=jkw&amp;step='.($precheck? 2:6).'" method="post">';
wp_nonce_field('import-jkw');
echo '<p class="submit"><input type="submit" name="submit" value="'.__('Next &raquo;').'" /></p>';
echo '</form>';
echo '</div>';
}
function check_V2_post_keyword ( $precheck = true ) {
global $wpdb;
echo '<div class="narrow">';
echo '<p><h3>'.__('Reading Jerome&#8217;s Keywords Tags&#8230;').'</h3></p>';
// import Jerome's Keywords tags
$tablename = $wpdb->prefix . substr(get_option('jkeywords_keywords_table'), 1, -1);
$qry = "SELECT post_id, tag_name FROM $tablename";
$metakeys = $wpdb->get_results($qry);
if ( !is_array($metakeys)) {
echo '<p>' . __('No Tags Found!') . '</p>';
return false;
}
else {
$count = count($metakeys);
echo '<p>' . sprintf( __('Done! <strong>%s</strong> tags were read.'), $count ) . '<br /></p>';
echo '<ul>';
foreach($metakeys as $post_meta) {
$keyword = addslashes(trim($post_meta->tag_name));
if ($keyword != ''){
echo '<li>' . $post_meta->post_id . '&nbsp;-&nbsp;' . $keyword . '</li>';
if( !$precheck ){
wp_add_post_tags($post_meta->post_id, $keyword);
}
}
}
echo '</ul>';
}
echo '<form action="admin.php?import=jkw&amp;step='.($precheck? 4:5).'" method="post">';
wp_nonce_field('import-jkw');
echo '<p class="submit"><input type="submit" name="submit" value="'.__('Next &raquo;').'" /></p>';
echo '</form>';
echo '</div>';
}
function cleanup_V2_import ( ) {
global $wpdb;
/* options from V2.0a (jeromes-keywords.php) */
$options = array(
'version' => '2.0', // keywords options version
'keywords_table' => 'jkeywords', // table where keywords/tags are stored
'query_varname' => 'tag', // HTTP var name used for tag searches
'template' => 'keywords.php', // template file to use for displaying tag queries
'meta_always_include' => '', // meta keywords to always include
'meta_includecats' => 'default', // default' => include cats in meta keywords only for home page
// all' => includes cats on every page, none' => never included
'meta_autoheader' => '1', // automatically output meta keywords in header
'search_strict' => '1', // returns only exact tag matches if true
'use_feed_cats' => '1', // insert tags into feeds as categories
/* post tag options */
'post_linkformat' => '', // post tag format (initialized to $link_localsearch)
'post_tagseparator' => ', ', // tag separator character(s)
'post_includecats' => '0', // include categories in post's tag list
'post_notagstext' => 'none', // text to display if no tags found
/* tag cloud options */
'cloud_linkformat' => '', // post tag format (initialized to $link_tagcloud)
'cloud_tagseparator' => ' ', // tag separator character(s)
'cloud_includecats' => '0', // include categories in tag cloud
'cloud_sortorder' => 'natural', // tag sorting: natural, countup/asc, countdown/desc, alpha
'cloud_displaymax' => '0', // maximum # of tags to display (all if set to zero)
'cloud_displaymin' => '0', // minimum tag count to include in tag cloud
'cloud_scalemax' => '0', // maximum value for count scaling (no scaling if zero)
'cloud_scalemin' => '0' // minimum value for count scaling
);
$tablename = $wpdb->prefix . substr(get_option('jkeywords_keywords_table'), 1, -1);
$wpdb->query('DROP TABLE IF EXISTS ' . $tablename);
foreach($options as $optname => $optval) {
delete_option('jkeywords_' . $optname);
}
$this->done();
}
function done ( ) {
echo '<div class="narrow">';
echo '<p><h3>'.__('Import Complete!').'</h3></p>';
echo '</div>';
}
function JeromesKeyword_Import ( ) {
// Nothing.
}
}
// create the import object
$jkw_import = new JeromesKeyword_Import();
// add it to the import page!
register_importer('jkw', 'Jerome&#8217;s Keywords', __('Import Jerome&#8217;s Keywords into the new native tagging structure.'), array($jkw_import, 'dispatch'));
?>