1 <?php

     2 /**

     3  * TextPattern Importer

     4  *

     5  * @package WordPress

     6  * @subpackage Importer

     7  */

     8 

     9 if(!function_exists('get_comment_count'))

    10 {

    11 	/**

    12 	 * Get the comment count for posts.

    13 	 *

    14 	 * @package WordPress

    15 	 * @subpackage Textpattern_Import

    16 	 *

    17 	 * @param int $post_ID Post ID

    18 	 * @return int

    19 	 */

    20 	function get_comment_count($post_ID)

    21 	{

    22 		global $wpdb;

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

    24 	}

    25 }

    26 

    27 if(!function_exists('link_exists'))

    28 {

    29 	/**

    30 	 * Check whether link already exists.

    31 	 *

    32 	 * @package WordPress

    33 	 * @subpackage Textpattern_Import

    34 	 *

    35 	 * @param string $linkname

    36 	 * @return int

    37 	 */

    38 	function link_exists($linkname)

    39 	{

    40 		global $wpdb;

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

    42 	}

    43 }

    44 

    45 /**

    46  * TextPattern Importer Class

    47  *

    48  * @since unknown

    49  */

    50 class Textpattern_Import {

    51 

    52 	function header()

    53 	{

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

    55 		screen_icon();

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

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

    58 	}

    59 

    60 	function footer()

    61 	{

    62 		echo '</div>';

    63 	}

    64 

    65 	function greet() {

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

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

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

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

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

    71 		wp_nonce_field('import-textpattern');

    72 		$this->db_form();

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

    74 		echo '</form>';

    75 		echo '</div>';

    76 	}

    77 

    78 	function get_txp_cats()

    79 	{

    80 		global $wpdb;

    81 		// General Housekeeping

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

    83 		set_magic_quotes_runtime(0);

    84 		$prefix = get_option('tpre');

    85 

    86 		// Get Categories

    87 		return $txpdb->get_results('SELECT

    88 			id,

    89 			name,

    90 			title

    91 			FROM '.$prefix.'txp_category

    92 			WHERE type = "article"',

    93 			ARRAY_A);

    94 	}

    95 

    96 	function get_txp_users()

    97 	{

    98 		global $wpdb;

    99 		// General Housekeeping

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

   101 		set_magic_quotes_runtime(0);

   102 		$prefix = get_option('tpre');

   103 

   104 		// Get Users

   105 

   106 		return $txpdb->get_results('SELECT

   107 			user_id,

   108 			name,

   109 			RealName,

   110 			email,

   111 			privs

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

   113 	}

   114 

   115 	function get_txp_posts()

   116 	{

   117 		// General Housekeeping

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

   119 		set_magic_quotes_runtime(0);

   120 		$prefix = get_option('tpre');

   121 

   122 		// Get Posts

   123 		return $txpdb->get_results('SELECT

   124 			ID,

   125 			Posted,

   126 			AuthorID,

   127 			LastMod,

   128 			Title,

   129 			Body,

   130 			Excerpt,

   131 			Category1,

   132 			Category2,

   133 			Status,

   134 			Keywords,

   135 			url_title,

   136 			comments_count

   137 			FROM '.$prefix.'textpattern

   138 			', ARRAY_A);

   139 	}

   140 

   141 	function get_txp_comments()

   142 	{

   143 		global $wpdb;

   144 		// General Housekeeping

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

   146 		set_magic_quotes_runtime(0);

   147 		$prefix = get_option('tpre');

   148 

   149 		// Get Comments

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

   151 	}

   152 

   153 		function get_txp_links()

   154 	{

   155 		//General Housekeeping

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

   157 		set_magic_quotes_runtime(0);

   158 		$prefix = get_option('tpre');

   159 

   160 		return $txpdb->get_results('SELECT

   161 			id,

   162 			date,

   163 			category,

   164 			url,

   165 			linkname,

   166 			description

   167 			FROM '.$prefix.'txp_link',

   168 			ARRAY_A);

   169 	}

   170 

   171 	function cat2wp($categories='')

   172 	{

   173 		// General Housekeeping

   174 		global $wpdb;

   175 		$count = 0;

   176 		$txpcat2wpcat = array();

   177 		// Do the Magic

   178 		if(is_array($categories))

   179 		{

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

   181 			foreach ($categories as $category)

   182 			{

   183 				$count++;

   184 				extract($category);

   185 

   186 

   187 				// Make Nice Variables

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

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

   190 

   191 				if($cinfo = category_exists($name))

   192 				{

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

   194 				}

   195 				else

   196 				{

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

   198 				}

   199 				$txpcat2wpcat[$id] = $ret_id;

   200 			}

   201 

   202 			// Store category translation for future use

   203 			add_option('txpcat2wpcat',$txpcat2wpcat);

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

   205 			return true;

   206 		}

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

   208 		return false;

   209 	}

   210 

   211 	function users2wp($users='')

   212 	{

   213 		// General Housekeeping

   214 		global $wpdb;

   215 		$count = 0;

   216 		$txpid2wpid = array();

   217 

   218 		// Midnight Mojo

   219 		if(is_array($users))

   220 		{

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

   222 			foreach($users as $user)

   223 			{

   224 				$count++;

   225 				extract($user);

   226 

   227 				// Make Nice Variables

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

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

   230 

   231 				if($uinfo = get_userdatabylogin($name))

   232 				{

   233 

   234 					$ret_id = wp_insert_user(array(

   235 								'ID'			=> $uinfo->ID,

   236 								'user_login'	=> $name,

   237 								'user_nicename'	=> $RealName,

   238 								'user_email'	=> $email,

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

   240 								'display_name'	=> $name)

   241 								);

   242 				}

   243 				else

   244 				{

   245 					$ret_id = wp_insert_user(array(

   246 								'user_login'	=> $name,

   247 								'user_nicename'	=> $RealName,

   248 								'user_email'	=> $email,

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

   250 								'display_name'	=> $name)

   251 								);

   252 				}

   253 				$txpid2wpid[$user_id] = $ret_id;

   254 

   255 				// Set Textpattern-to-WordPress permissions translation

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

   257 

   258 				// Update Usermeta Data

   259 				$user = new WP_User($ret_id);

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

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

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

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

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

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

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

   267 

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

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

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

   271 

   272 			// Store id translation array for future use

   273 			add_option('txpid2wpid',$txpid2wpid);

   274 

   275 

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

   277 			return true;

   278 		}// End if(is_array($users)

   279 

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

   281 		return false;

   282 

   283 	}// End function user2wp()

   284 

   285 	function posts2wp($posts='')

   286 	{

   287 		// General Housekeeping

   288 		global $wpdb;

   289 		$count = 0;

   290 		$txpposts2wpposts = array();

   291 		$cats = array();

   292 

   293 		// Do the Magic

   294 		if(is_array($posts))

   295 		{

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

   297 			foreach($posts as $post)

   298 			{

   299 				$count++;

   300 				extract($post);

   301 

   302 				// Set Textpattern-to-WordPress status translation

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

   304 

   305 				//Can we do this more efficiently?

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

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

   308 

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

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

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

   312 				$post_status = $stattrans[$Status];

   313 

   314 				// Import Post data into WordPress

   315 

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

   317 				{

   318 					$ret_id = wp_insert_post(array(

   319 						'ID'				=> $pinfo,

   320 						'post_date'			=> $Posted,

   321 						'post_date_gmt'		=> $post_date_gmt,

   322 						'post_author'		=> $authorid,

   323 						'post_modified'		=> $LastMod,

   324 						'post_modified_gmt' => $post_modified_gmt,

   325 						'post_title'		=> $Title,

   326 						'post_content'		=> $Body,

   327 						'post_excerpt'		=> $Excerpt,

   328 						'post_status'		=> $post_status,

   329 						'post_name'			=> $url_title,

   330 						'comment_count'		=> $comments_count)

   331 						);

   332 					if ( is_wp_error( $ret_id ) )

   333 						return $ret_id;

   334 				}

   335 				else

   336 				{

   337 					$ret_id = wp_insert_post(array(

   338 						'post_date'			=> $Posted,

   339 						'post_date_gmt'		=> $post_date_gmt,

   340 						'post_author'		=> $authorid,

   341 						'post_modified'		=> $LastMod,

   342 						'post_modified_gmt' => $post_modified_gmt,

   343 						'post_title'		=> $Title,

   344 						'post_content'		=> $Body,

   345 						'post_excerpt'		=> $Excerpt,

   346 						'post_status'		=> $post_status,

   347 						'post_name'			=> $url_title,

   348 						'comment_count'		=> $comments_count)

   349 						);

   350 					if ( is_wp_error( $ret_id ) )

   351 						return $ret_id;

   352 				}

   353 				$txpposts2wpposts[$ID] = $ret_id;

   354 

   355 				// Make Post-to-Category associations

   356 				$cats = array();

   357 				$category1 = get_category_by_slug($Category1);

   358 				$category1 = $category1->term_id;

   359 				$category2 = get_category_by_slug($Category2);

   360 				$category2 = $category2->term_id;

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

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

   363 

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

   365 			}

   366 		}

   367 		// Store ID translation for later use

   368 		add_option('txpposts2wpposts',$txpposts2wpposts);

   369 

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

   371 		return true;

   372 	}

   373 

   374 	function comments2wp($comments='')

   375 	{

   376 		// General Housekeeping

   377 		global $wpdb;

   378 		$count = 0;

   379 		$txpcm2wpcm = array();

   380 		$postarr = get_option('txpposts2wpposts');

   381 

   382 		// Magic Mojo

   383 		if(is_array($comments))

   384 		{

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

   386 			foreach($comments as $comment)

   387 			{

   388 				$count++;

   389 				extract($comment);

   390 

   391 				// WordPressify Data

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

   393 				$comment_post_ID = $postarr[$parentid];

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

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

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

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

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

   399 

   400 				$comment = array(

   401 							'comment_post_ID'	=> $comment_post_ID,

   402 							'comment_author'	=> $name,

   403 							'comment_author_IP'	=> $ip,

   404 							'comment_author_email'	=> $email,

   405 							'comment_author_url'	=> $web,

   406 							'comment_date'		=> $posted,

   407 							'comment_content'	=> $message,

   408 							'comment_approved'	=> $comment_approved);

   409 				$comment = wp_filter_comment($comment);

   410 

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

   412 					// Update comments

   413 					$comment['comment_ID'] = $cinfo;

   414 					$ret_id = wp_update_comment($comment);

   415 				} else {

   416 					// Insert comments

   417 					$ret_id = wp_insert_comment($comment);

   418 				}

   419 				$txpcm2wpcm[$comment_ID] = $ret_id;

   420 			}

   421 			// Store Comment ID translation for future use

   422 			add_option('txpcm2wpcm', $txpcm2wpcm);

   423 

   424 			// Associate newly formed categories with posts

   425 			get_comment_count($ret_id);

   426 

   427 

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

   429 			return true;

   430 		}

   431 		echo __('No Comments to Import!');

   432 		return false;

   433 	}

   434 

   435 	function links2wp($links='')

   436 	{

   437 		// General Housekeeping

   438 		global $wpdb;

   439 		$count = 0;

   440 

   441 		// Deal with the links

   442 		if(is_array($links))

   443 		{

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

   445 			foreach($links as $link)

   446 			{

   447 				$count++;

   448 				extract($link);

   449 

   450 				// Make nice vars

   451 				$category = $wpdb->escape($category);

   452 				$linkname = $wpdb->escape($linkname);

   453 				$description = $wpdb->escape($description);

   454 

   455 				if($linfo = link_exists($linkname))

   456 				{

   457 					$ret_id = wp_insert_link(array(

   458 								'link_id'			=> $linfo,

   459 								'link_url'			=> $url,

   460 								'link_name'			=> $linkname,

   461 								'link_category'		=> $category,

   462 								'link_description'	=> $description,

   463 								'link_updated'		=> $date)

   464 								);

   465 				}

   466 				else

   467 				{

   468 					$ret_id = wp_insert_link(array(

   469 								'link_url'			=> $url,

   470 								'link_name'			=> $linkname,

   471 								'link_category'		=> $category,

   472 								'link_description'	=> $description,

   473 								'link_updated'		=> $date)

   474 								);

   475 				}

   476 				$txplinks2wplinks[$link_id] = $ret_id;

   477 			}

   478 			add_option('txplinks2wplinks',$txplinks2wplinks);

   479 			echo '<p>';

   480 			printf(_n('Done! <strong>%s</strong> link imported', 'Done! <strong>%s</strong> links imported', $count), $count);

   481 			echo '<br /><br /></p>';

   482 			return true;

   483 		}

   484 		echo __('No Links to Import!');

   485 		return false;

   486 	}

   487 

   488 	function import_categories()

   489 	{

   490 		// Category Import

   491 		$cats = $this->get_txp_cats();

   492 		$this->cat2wp($cats);

   493 		add_option('txp_cats', $cats);

   494 

   495 

   496 

   497 		echo '<form action="admin.php?import=textpattern&amp;step=2" method="post">';

   498 		wp_nonce_field('import-textpattern');

   499 		printf('<p class="submit"><input type="submit" name="submit" class="button" value="%s" /></p>', esc_attr__('Import Users'));

   500 		echo '</form>';

   501 

   502 	}

   503 

   504 	function import_users()

   505 	{

   506 		// User Import

   507 		$users = $this->get_txp_users();

   508 		$this->users2wp($users);

   509 

   510 		echo '<form action="admin.php?import=textpattern&amp;step=3" method="post">';

   511 		wp_nonce_field('import-textpattern');

   512 		printf('<p class="submit"><input type="submit" name="submit" class="button" value="%s" /></p>', esc_attr__('Import Posts'));

   513 		echo '</form>';

   514 	}

   515 

   516 	function import_posts()

   517 	{

   518 		// Post Import

   519 		$posts = $this->get_txp_posts();

   520 		$result = $this->posts2wp($posts);

   521 		if ( is_wp_error( $result ) )

   522 			return $result;

   523 

   524 		echo '<form action="admin.php?import=textpattern&amp;step=4" method="post">';

   525 		wp_nonce_field('import-textpattern');

   526 		printf('<p class="submit"><input type="submit" name="submit" class="button" value="%s" /></p>', esc_attr__('Import Comments'));

   527 		echo '</form>';

   528 	}

   529 

   530 	function import_comments()

   531 	{

   532 		// Comment Import

   533 		$comments = $this->get_txp_comments();

   534 		$this->comments2wp($comments);

   535 

   536 		echo '<form action="admin.php?import=textpattern&amp;step=5" method="post">';

   537 		wp_nonce_field('import-textpattern');

   538 		printf('<p class="submit"><input type="submit" name="submit" class="button" value="%s" /></p>', esc_attr__('Import Links'));

   539 		echo '</form>';

   540 	}

   541 

   542 	function import_links()

   543 	{

   544 		//Link Import

   545 		$links = $this->get_txp_links();

   546 		$this->links2wp($links);

   547 		add_option('txp_links', $links);

   548 

   549 		echo '<form action="admin.php?import=textpattern&amp;step=6" method="post">';

   550 		wp_nonce_field('import-textpattern');

   551 		printf('<p class="submit"><input type="submit" name="submit" class="button" value="%s" /></p>', esc_attr__('Finish'));

   552 		echo '</form>';

   553 	}

   554 

   555 	function cleanup_txpimport()

   556 	{

   557 		delete_option('tpre');

   558 		delete_option('txp_cats');

   559 		delete_option('txpid2wpid');

   560 		delete_option('txpcat2wpcat');

   561 		delete_option('txpposts2wpposts');

   562 		delete_option('txpcm2wpcm');

   563 		delete_option('txplinks2wplinks');

   564 		delete_option('txpuser');

   565 		delete_option('txppass');

   566 		delete_option('txpname');

   567 		delete_option('txphost');

   568 		do_action('import_done', 'textpattern');

   569 		$this->tips();

   570 	}

   571 

   572 	function tips()

   573 	{

   574 		echo '<p>'.__('Welcome to WordPress.  We hope (and expect!) that you will find this platform incredibly rewarding!  As a new WordPress user coming from Textpattern, there are some things that we would like to point out.  Hopefully, they will help your transition go as smoothly as possible.').'</p>';

   575 		echo '<h3>'.__('Users').'</h3>';

   576 		echo '<p>'.sprintf(__('You have already setup WordPress and have been assigned an administrative login and password.  Forget it.  You didn&#8217;t have that login in Textpattern, why should you have it here?  Instead we have taken care to import all of your users into our system.  Unfortunately there is one downside.  Because both WordPress and Textpattern uses a strong encryption hash with passwords, it is impossible to decrypt it and we are forced to assign temporary passwords to all your users.  <strong>Every user has the same username, but their passwords are reset to password123.</strong>  So <a href="%1$s">log in</a> and change it.'), get_bloginfo( 'wpurl' ) . '/wp-login.php').'</p>';

   577 		echo '<h3>'.__('Preserving Authors').'</h3>';

   578 		echo '<p>'.__('Secondly, we have attempted to preserve post authors.  If you are the only author or contributor to your blog, then you are safe.  In most cases, we are successful in this preservation endeavor.  However, if we cannot ascertain the name of the writer due to discrepancies between database tables, we assign it to you, the administrative user.').'</p>';

   579 		echo '<h3>'.__('Textile').'</h3>';

   580 		echo '<p>'.__('Also, since you&#8217;re coming from Textpattern, you probably have been using Textile to format your comments and posts.  If this is the case, we recommend downloading and installing <a href="http://www.huddledmasses.org/category/development/wordpress/textile/">Textile for WordPress</a>.  Trust me... You&#8217;ll want it.').'</p>';

   581 		echo '<h3>'.__('WordPress Resources').'</h3>';

   582 		echo '<p>'.__('Finally, there are numerous WordPress resources around the internet.  Some of them are:').'</p>';

   583 		echo '<ul>';

   584 		echo '<li>'.__('<a href="http://www.wordpress.org">The official WordPress site</a>').'</li>';

   585 		echo '<li>'.__('<a href="http://wordpress.org/support/">The WordPress support forums</a>').'</li>';

   586 		echo '<li>'.__('<a href="http://codex.wordpress.org">The Codex (In other words, the WordPress Bible)</a>').'</li>';

   587 		echo '</ul>';

   588 		echo '<p>'.sprintf(__('That&#8217;s it! What are you waiting for? Go <a href="%1$s">log in</a>!'), get_bloginfo( 'wpurl' ) . '/wp-login.php').'</p>';

   589 	}

   590 

   591 	function db_form()

   592 	{

   593 		echo '<table class="form-table">';

   594 		printf('<tr><th scope="row"><label for="dbuser">%s</label></th><td><input type="text" name="dbuser" id="dbuser" /></td></tr>', __('Textpattern Database User:'));

   595 		printf('<tr><th scope="row"><label for="dbpass">%s</label></th><td><input type="password" name="dbpass" id="dbpass" /></td></tr>', __('Textpattern Database Password:'));

   596 		printf('<tr><th scope="row"><label for="dbname">%s</label></th><td><input type="text" id="dbname" name="dbname" /></td></tr>', __('Textpattern Database Name:'));

   597 		printf('<tr><th scope="row"><label for="dbhost">%s</label></th><td><input type="text" id="dbhost" name="dbhost" value="localhost" /></td></tr>', __('Textpattern Database Host:'));

   598 		printf('<tr><th scope="row"><label for="dbprefix">%s</label></th><td><input type="text" name="dbprefix" id="dbprefix"  /></td></tr>', __('Textpattern Table prefix (if any):'));

   599 		echo '</table>';

   600 	}

   601 

   602 	function dispatch()

   603 	{

   604 

   605 		if (empty ($_GET['step']))

   606 			$step = 0;

   607 		else

   608 			$step = (int) $_GET['step'];

   609 		$this->header();

   610 

   611 		if ( $step > 0 )

   612 		{

   613 			check_admin_referer('import-textpattern');

   614 

   615 			if($_POST['dbuser'])

   616 			{

   617 				if(get_option('txpuser'))

   618 					delete_option('txpuser');

   619 				add_option('txpuser', sanitize_user($_POST['dbuser'], true));

   620 			}

   621 			if($_POST['dbpass'])

   622 			{

   623 				if(get_option('txppass'))

   624 					delete_option('txppass');

   625 				add_option('txppass',  sanitize_user($_POST['dbpass'], true));

   626 			}

   627 

   628 			if($_POST['dbname'])

   629 			{

   630 				if(get_option('txpname'))

   631 					delete_option('txpname');

   632 				add_option('txpname',  sanitize_user($_POST['dbname'], true));

   633 			}

   634 			if($_POST['dbhost'])

   635 			{

   636 				if(get_option('txphost'))

   637 					delete_option('txphost');

   638 				add_option('txphost',  sanitize_user($_POST['dbhost'], true));

   639 			}

   640 			if($_POST['dbprefix'])

   641 			{

   642 				if(get_option('tpre'))

   643 					delete_option('tpre');

   644 				add_option('tpre',  sanitize_user($_POST['dbprefix']));

   645 			}

   646 

   647 

   648 		}

   649 

   650 		switch ($step)

   651 		{

   652 			default:

   653 			case 0 :

   654 				$this->greet();

   655 				break;

   656 			case 1 :

   657 				$this->import_categories();

   658 				break;

   659 			case 2 :

   660 				$this->import_users();

   661 				break;

   662 			case 3 :

   663 				$result = $this->import_posts();

   664 				if ( is_wp_error( $result ) )

   665 					echo $result->get_error_message();

   666 				break;

   667 			case 4 :

   668 				$this->import_comments();

   669 				break;

   670 			case 5 :

   671 				$this->import_links();

   672 				break;

   673 			case 6 :

   674 				$this->cleanup_txpimport();

   675 				break;

   676 		}

   677 

   678 		$this->footer();

   679 	}

   680 

   681 	function Textpattern_Import()

   682 	{

   683 		// Nothing.

   684 	}

   685 }

   686 

   687 $txp_import = new Textpattern_Import();

   688 

   689 register_importer('textpattern', __('Textpattern'), __('Import categories, users, posts, comments, and links from a Textpattern blog.'), array ($txp_import, 'dispatch'));

   690 

   691 ?>