<?php

/**

 * TextPattern Importer

 *

 * @package WordPress

 * @subpackage Importer

 */

if(!function_exists('get_comment_count'))

{

	/**

	 * Get the comment count for posts.

	 *

	 * @package WordPress

	 * @subpackage Textpattern_Import

	 *

	 * @param int $post_ID Post ID

	 * @return int

	 */

	function get_comment_count($post_ID)

	{

		global $wpdb;

		return $wpdb->get_var( $wpdb->prepare("SELECT count(*) FROM $wpdb->comments WHERE comment_post_ID = %d", $post_ID) );

	}

}

if(!function_exists('link_exists'))

{

	/**

	 * Check whether link already exists.

	 *

	 * @package WordPress

	 * @subpackage Textpattern_Import

	 *

	 * @param string $linkname

	 * @return int

	 */

	function link_exists($linkname)

	{

		global $wpdb;

		return $wpdb->get_var( $wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_name = %s", $linkname) );

	}

}

/**

 * TextPattern Importer Class

 *

 * @since unknown

 */

class Textpattern_Import {

	function header()

	{

		echo '<div class="wrap">';

		screen_icon();

		echo '<h2>'.__('Import Textpattern').'</h2>';

		echo '<p>'.__('Steps may take a few minutes depending on the size of your database. Please be patient.').'</p>';

	}

	function footer()

	{

		echo '</div>';

	}

	function greet() {

		echo '<div class="narrow">';

		echo '<p>'.__('Howdy! This imports categories, users, posts, comments, and links from any Textpattern 4.0.2+ into this blog.').'</p>';

		echo '<p>'.__('This has not been tested on previous versions of Textpattern.  Mileage may vary.').'</p>';

		echo '<p>'.__('Your Textpattern Configuration settings are as follows:').'</p>';

		echo '<form action="admin.php?import=textpattern&amp;step=1" method="post">';

		wp_nonce_field('import-textpattern');

		$this->db_form();

		echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.esc_attr__('Import').'" /></p>';

		echo '</form>';

		echo '</div>';

	}

	function get_txp_cats()

	{

		global $wpdb;

		// General Housekeeping

		$txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));

		set_magic_quotes_runtime(0);

		$prefix = get_option('tpre');

		// Get Categories

		return $txpdb->get_results('SELECT

			id,

			name,

			title

			FROM '.$prefix.'txp_category

			WHERE type = "article"',

			ARRAY_A);

	}

	function get_txp_users()

	{

		global $wpdb;

		// General Housekeeping

		$txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));

		set_magic_quotes_runtime(0);

		$prefix = get_option('tpre');

		// Get Users

		return $txpdb->get_results('SELECT

			user_id,

			name,

			RealName,

			email,

			privs

			FROM '.$prefix.'txp_users', ARRAY_A);

	}

	function get_txp_posts()

	{

		// General Housekeeping

		$txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));

		set_magic_quotes_runtime(0);

		$prefix = get_option('tpre');

		// Get Posts

		return $txpdb->get_results('SELECT

			ID,

			Posted,

			AuthorID,

			LastMod,

			Title,

			Body,

			Excerpt,

			Category1,

			Category2,

			Status,

			Keywords,

			url_title,

			comments_count

			FROM '.$prefix.'textpattern

			', ARRAY_A);

	}

	function get_txp_comments()

	{

		global $wpdb;

		// General Housekeeping

		$txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));

		set_magic_quotes_runtime(0);

		$prefix = get_option('tpre');

		// Get Comments

		return $txpdb->get_results('SELECT * FROM '.$prefix.'txp_discuss', ARRAY_A);

	}

		function get_txp_links()

	{

		//General Housekeeping

		$txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));

		set_magic_quotes_runtime(0);

		$prefix = get_option('tpre');

		return $txpdb->get_results('SELECT

			id,

			date,

			category,

			url,

			linkname,

			description

			FROM '.$prefix.'txp_link',

			ARRAY_A);

	}

	function cat2wp($categories='')

	{

		// General Housekeeping

		global $wpdb;

		$count = 0;

		$txpcat2wpcat = array();

		// Do the Magic

		if(is_array($categories))

		{

			echo '<p>'.__('Importing Categories...').'<br /><br /></p>';

			foreach ($categories as $category)

			{

				$count++;

				extract($category);

				// Make Nice Variables

				$name = $wpdb->escape($name);

				$title = $wpdb->escape($title);

				if($cinfo = category_exists($name))

				{

					$ret_id = wp_insert_category(array('cat_ID' => $cinfo, 'category_nicename' => $name, 'cat_name' => $title));

				}

				else

				{

					$ret_id = wp_insert_category(array('category_nicename' => $name, 'cat_name' => $title));

				}

				$txpcat2wpcat[$id] = $ret_id;

			}

			// Store category translation for future use

			add_option('txpcat2wpcat',$txpcat2wpcat);

			echo '<p>'.sprintf(_n('Done! <strong>%1$s</strong> category imported.', 'Done! <strong>%1$s</strong> categories imported.', $count), $count).'<br /><br /></p>';

			return true;

		}

		echo __('No Categories to Import!');

		return false;

	}

	function users2wp($users='')

	{

		// General Housekeeping

		global $wpdb;

		$count = 0;

		$txpid2wpid = array();

		// Midnight Mojo

		if(is_array($users))

		{

			echo '<p>'.__('Importing Users...').'<br /><br /></p>';

			foreach($users as $user)

			{

				$count++;

				extract($user);

				// Make Nice Variables

				$name = $wpdb->escape($name);

				$RealName = $wpdb->escape($RealName);

				if($uinfo = get_userdatabylogin($name))

				{

					$ret_id = wp_insert_user(array(

								'ID'			=> $uinfo->ID,

								'user_login'	=> $name,

								'user_nicename'	=> $RealName,

								'user_email'	=> $email,

								'user_url'		=> 'http://',

								'display_name'	=> $name)

								);

				}

				else

				{

					$ret_id = wp_insert_user(array(

								'user_login'	=> $name,

								'user_nicename'	=> $RealName,

								'user_email'	=> $email,

								'user_url'		=> 'http://',

								'display_name'	=> $name)

								);

				}

				$txpid2wpid[$user_id] = $ret_id;

				// Set Textpattern-to-WordPress permissions translation

				$transperms = array(1 => '10', 2 => '9', 3 => '5', 4 => '4', 5 => '3', 6 => '2', 7 => '0');

				// Update Usermeta Data

				$user = new WP_User($ret_id);

				if('10' == $transperms[$privs]) { $user->set_role('administrator'); }

				if('9'  == $transperms[$privs]) { $user->set_role('editor'); }

				if('5'  == $transperms[$privs]) { $user->set_role('editor'); }

				if('4'  == $transperms[$privs]) { $user->set_role('author'); }

				if('3'  == $transperms[$privs]) { $user->set_role('contributor'); }

				if('2'  == $transperms[$privs]) { $user->set_role('contributor'); }

				if('0'  == $transperms[$privs]) { $user->set_role('subscriber'); }

				update_usermeta( $ret_id, 'wp_user_level', $transperms[$privs] );

				update_usermeta( $ret_id, 'rich_editing', 'false');

			}// End foreach($users as $user)

			// Store id translation array for future use

			add_option('txpid2wpid',$txpid2wpid);

			echo '<p>'.sprintf(__('Done! <strong>%1$s</strong> users imported.'), $count).'<br /><br /></p>';

			return true;

		}// End if(is_array($users)

		echo __('No Users to Import!');

		return false;

	}// End function user2wp()

	function posts2wp($posts='')

	{

		// General Housekeeping

		global $wpdb;

		$count = 0;

		$txpposts2wpposts = array();

		$cats = array();

		// Do the Magic

		if(is_array($posts))

		{

			echo '<p>'.__('Importing Posts...').'<br /><br /></p>';

			foreach($posts as $post)

			{

				$count++;

				extract($post);

				// Set Textpattern-to-WordPress status translation

				$stattrans = array(1 => 'draft', 2 => 'private', 3 => 'draft', 4 => 'publish', 5 => 'publish');

				//Can we do this more efficiently?

				$uinfo = ( get_userdatabylogin( $AuthorID ) ) ? get_userdatabylogin( $AuthorID ) : 1;

				$authorid = ( is_object( $uinfo ) ) ? $uinfo->ID : $uinfo ;

				$Title = $wpdb->escape($Title);

				$Body = $wpdb->escape($Body);

				$Excerpt = $wpdb->escape($Excerpt);

				$post_status = $stattrans[$Status];

				// Import Post data into WordPress

				if($pinfo = post_exists($Title,$Body))

				{

					$ret_id = wp_insert_post(array(

						'ID'				=> $pinfo,

						'post_date'			=> $Posted,

						'post_date_gmt'		=> $post_date_gmt,

						'post_author'		=> $authorid,

						'post_modified'		=> $LastMod,

						'post_modified_gmt' => $post_modified_gmt,

						'post_title'		=> $Title,

						'post_content'		=> $Body,

						'post_excerpt'		=> $Excerpt,

						'post_status'		=> $post_status,

						'post_name'			=> $url_title,

						'comment_count'		=> $comments_count)

						);

					if ( is_wp_error( $ret_id ) )

						return $ret_id;

				}

				else

				{

					$ret_id = wp_insert_post(array(

						'post_date'			=> $Posted,

						'post_date_gmt'		=> $post_date_gmt,

						'post_author'		=> $authorid,

						'post_modified'		=> $LastMod,

						'post_modified_gmt' => $post_modified_gmt,

						'post_title'		=> $Title,

						'post_content'		=> $Body,

						'post_excerpt'		=> $Excerpt,

						'post_status'		=> $post_status,

						'post_name'			=> $url_title,

						'comment_count'		=> $comments_count)

						);

					if ( is_wp_error( $ret_id ) )

						return $ret_id;

				}

				$txpposts2wpposts[$ID] = $ret_id;

				// Make Post-to-Category associations

				$cats = array();

				$category1 = get_category_by_slug($Category1);

				$category1 = $category1->term_id;

				$category2 = get_category_by_slug($Category2);

				$category2 = $category2->term_id;

				if($cat1 = $category1) { $cats[1] = $cat1; }

				if($cat2 = $category2) { $cats[2] = $cat2; }

				if(!empty($cats)) { wp_set_post_categories($ret_id, $cats); }

			}

		}

		// Store ID translation for later use

		add_option('txpposts2wpposts',$txpposts2wpposts);

		echo '<p>'.sprintf(__('Done! <strong>%1$s</strong> posts imported.'), $count).'<br /><br /></p>';

		return true;

	}

	function comments2wp($comments='')

	{

		// General Housekeeping

		global $wpdb;

		$count = 0;

		$txpcm2wpcm = array();

		$postarr = get_option('txpposts2wpposts');

		// Magic Mojo

		if(is_array($comments))

		{

			echo '<p>'.__('Importing Comments...').'<br /><br /></p>';

			foreach($comments as $comment)

			{

				$count++;

				extract($comment);

				// WordPressify Data

				$comment_ID = ltrim($discussid, '0');

				$comment_post_ID = $postarr[$parentid];

				$comment_approved = (1 == $visible) ? 1 : 0;

				$name = $wpdb->escape($name);

				$email = $wpdb->escape($email);

				$web = $wpdb->escape($web);

				$message = $wpdb->escape($message);

				$comment = array(

							'comment_post_ID'	=> $comment_post_ID,

							'comment_author'	=> $name,

							'comment_author_IP'	=> $ip,

							'comment_author_email'	=> $email,

							'comment_author_url'	=> $web,

							'comment_date'		=> $posted,

							'comment_content'	=> $message,

							'comment_approved'	=> $comment_approved);

				$comment = wp_filter_comment($comment);

				if ( $cinfo = comment_exists($name, $posted) ) {

					// Update comments

					$comment['comment_ID'] = $cinfo;

					$ret_id = wp_update_comment($comment);

				} else {

					// Insert comments

					$ret_id = wp_insert_comment($comment);

				}

				$txpcm2wpcm[$comment_ID] = $ret_id;

			}

			// Store Comment ID translation for future use