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<?php
class JeromesKeyword_Import {
function header() {
echo '<div class="wrap">';
echo '<h2>'.__('Import Jerome’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 Jerome’s Keywords into WordPress tags.').'</p>';
echo '<p>'.__('This is suitable for Jerome’s Keywords version 1.x and 2.0a.').'</p>';
echo '<p><strong>'.__('All existing Jerome’s Keywords will be removed after import.').'</strong></p>';
echo '<p><strong>'.__('Don’t be stupid - backup your database before proceeding!').'</strong></p>';
echo '<form action="admin.php?import=jkw&step=1" method="post">';
wp_nonce_field('import-jkw');
echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.__('Import Version 1.x').'" /></p>';
echo '</form>';
echo '<form action="admin.php?import=jkw&step=3" method="post">';
wp_nonce_field('import-jkw');
echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.__('Import Version 2.0a').'" /></p>';
echo '</form>';
echo '</div>';
}
function dispatch() {
if ( empty($_GET['step']) )
$step = 0;
else
$step = absint($_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’s Keywords Tags…').'</h3></p>';
// import Jerome's Keywords tags
$metakeys = $wpdb->get_results("SELECT post_id, meta_id, meta_key, meta_value FROM $wpdb->postmeta WHERE $wpdb->postmeta.meta_key = 'keywords'");
if ( !is_array($metakeys)) {
echo '<p>' . __('No Tags Found!') . '</p>';
return false;
} else {
$count = count($metakeys);
echo '<p>' . sprintf( __ngettext('Done! <strong>%s</strong> post with tags were read.', 'Done! <strong>%s</strong> posts with tags were read.', $count), $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 . ' - ' . $keyword . '</li>';
if ( !$precheck )
wp_add_post_tags($post_meta->post_id, $keyword);
}
}
}
if ( !$precheck )
delete_post_meta($post_meta->post_id, 'keywords');
}
echo '</ul>';
}
echo '<form action="admin.php?import=jkw&step='.($precheck? 2:6).'" method="post">';
wp_nonce_field('import-jkw');
echo '<p class="submit"><input type="submit" name="submit" value="'.__('Next').'" /></p>';
echo '</form>';
echo '</div>';
}
function check_V2_post_keyword($precheck = true) {
global $wpdb;
echo '<div class="narrow">';
echo '<p><h3>'.__('Reading Jerome’s Keywords Tags…').'</h3></p>';
// import Jerome's Keywords tags
$tablename = $wpdb->prefix . substr(get_option('jkeywords_keywords_table'), 1, -1);
$metakeys = $wpdb->get_results("SELECT post_id, tag_name FROM $tablename");
if ( !is_array($metakeys) ) {
echo '<p>' . __('No Tags Found!') . '</p>';
return false;
} else {
$count = count($metakeys);
echo '<p>' . sprintf( __ngettext('Done! <strong>%s</strong> tag were read.', 'Done! <strong>%s</strong> tags were read.', $count), $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 . ' - ' . $keyword . '</li>';
if ( !$precheck )
wp_add_post_tags($post_meta->post_id, $keyword);
}
}
echo '</ul>';
}
echo '<form action="admin.php?import=jkw&step='.($precheck? 4:5).'" method="post">';
wp_nonce_field('import-jkw');
echo '<p class="submit"><input type="submit" name="submit" value="'.__('Next').'" /></p>';
echo '</form>';
echo '</div>';
}
function cleanup_V2_import() {
global $wpdb;
/* options from V2.0a (jeromes-keywords.php) */
$options = array('version', 'keywords_table', 'query_varname', 'template', 'meta_always_include', 'meta_includecats', 'meta_autoheader', 'search_strict', 'use_feed_cats', 'post_linkformat', 'post_tagseparator', 'post_includecats', 'post_notagstext', 'cloud_linkformat', 'cloud_tagseparator', 'cloud_includecats', 'cloud_sortorder', 'cloud_displaymax', 'cloud_displaymin', 'cloud_scalemax', 'cloud_scalemin');
$wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . substr(get_option('jkeywords_keywords_table'), 1, -1));
foreach ( $options as $o )
delete_option('jkeywords_' . $o);
$this->done();
}
function done() {
echo '<div class="narrow">';
echo '<p><h3>'.__('Import Complete!').'</h3></p>';
echo '</div>';
}
function JeromesKeyword_Import() {
}
}
// create the import object
$jkw_import = new JeromesKeyword_Import();
// add it to the import page!
register_importer('jkw', 'Jerome’s Keywords', __('Import Jerome’s Keywords into WordPress tags.'), array($jkw_import, 'dispatch'));
?>
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