WordPress/wp-admin/import/greymatter.php

<?php

class GM_Import {

	var $gmnames = array ();

	function header() {
		echo '<div class="wrap">';
		echo '<h2>'.__('Import Greymatter').'</h2>';
	}

	function footer() {
		echo '</div>';
	}

	function greet() {
		$this->header();
?>
<p>This is a basic GreyMatter to WordPress import script.</p>
<p>What it does:</p>
<ul>
<li>Parses gm-authors.cgi to import (new) authors. Everyone is imported at level 1.</li>
<li>Parses the entries cgi files to import posts, comments, and karma on posts (although karma is not used on WordPress yet).<br />If authors are found not to be in gm-authors.cgi, imports them at level 0.</li>
<li>Detects duplicate entries or comments. If you don't import everything the first time, or this import should fail in the middle, duplicate entries will not be made when you try again.</li>
</ul>
<p>What it does not:</p>
<ul>
<li>Parse gm-counter.cgi, gm-banlist.cgi, gm-cplog.cgi (you can make a CP log hack if you really feel like it, but I question the need of a CP log).</li>
<li>Import gm-templates.</li>
<li>Doesn't keep entries on top.</li>
</ul>
<p>&nbsp;</p>

<form name="stepOne" method="get">
<input type="hidden" name="import" value="greymatter" />
<input type="hidden" name="step" value="1" />
<h3>Second step: GreyMatter details:</h3>
<p><table cellpadding="0">
<tr>
<td>Path to GM files:</td>
<td><input type="text" style="width:300px" name="gmpath" value="/home/my/site/cgi-bin/greymatter/" /></td>
</tr>
<tr>
<td>Path to GM entries:</td>
<td><input type="text" style="width:300px" name="archivespath" value="/home/my/site/cgi-bin/greymatter/archives/" /></td>
</tr>
<tr>
<td colspan="2"><br />This importer will search for files 00000001.cgi to 000-whatever.cgi,<br />so you need to enter the number of the last GM post here.<br />(if you don't know that number, just log into your FTP and look it out<br />in the entries' folder)</td>
</tr>
<tr>
<td>Last entry's number:</td>
<td><input type="text" name="lastentry" value="00000001" /></td>
</tr>
</table>
</p>
<p>When you're ready, click OK to start importing: <input type="submit" name="submit" value="OK" class="search" /></p>
</form>
<p>&nbsp</p>
<?php
		$this->footer();
	}



	function gm2autobr($string) { // transforms GM's |*| into b2's <br />\n
		$string = str_replace("|*|","<br />\n",$string);
		return($string);
	}
	
	function import() {
		global $wpdb;
	
		$wpvarstoreset = array('gmpath', 'archivespath', 'lastentry');
		for ($i=0; $i<count($wpvarstoreset); $i += 1) {
			$wpvar = $wpvarstoreset[$i];
			if (!isset($$wpvar)) {
				if (empty($_POST["$wpvar"])) {
					if (empty($_GET["$wpvar"])) {
						$$wpvar = '';
					} else {
						$$wpvar = $_GET["$wpvar"];
					}
				} else {
					$$wpvar = $_POST["$wpvar"];
				}
			}
		}

		if (!chdir($archivespath))
			die("Wrong path, $archivespath\ndoesn't exist\non the server");

		if (!chdir($gmpath))
			die("Wrong path, $gmpath\ndoesn't exist\non the server");
			
		$this->header();
?>
<p>The importer is running...</p>
<ul>
<li>importing users... <ul><?php

	chdir($gmpath);
	$userbase = file("gm-authors.cgi");

	foreach($userbase as $user) {
		$userdata=explode("|", $user);

		$user_ip="127.0.0.1";
		$user_domain="localhost";
		$user_browser="server";

		$s=$userdata[4];
		$user_joindate=substr($s,6,4)."-".substr($s,0,2)."-".substr($s,3,2)." 00:00:00";

		$user_login=$wpdb->escape($userdata[0]);
		$pass1=$wpdb->escape($userdata[1]);
		$user_nickname=$wpdb->escape($userdata[0]);
		$user_email=$wpdb->escape($userdata[2]);
		$user_url=$wpdb->escape($userdata[3]);
		$user_joindate=$wpdb->escape($user_joindate);

		$user_id = username_exists($user_login);
		if ($user_id) {
			echo "<li>user <i>$user_login</i>... <b>Already exists</b></li>";
			$this->gmnames[$userdata[0]] = $user_id;
			continue;
		}

		$user_info = array("user_login"=>"$user_login", "user_pass"=>"$pass1", "user_nickname"=>"$user_nickname", "user_email"=>"$user_email", "user_url"=>"$user_url", "user_ip"=>"$user_ip", "user_domain"=>"$user_domain", "user_browser"=>"$user_browser", "dateYMDhour"=>"$user_joindate", "user_level"=>"1", "user_idmode"=>"nickname");
		$user_id = wp_insert_user($user_info);
		$this->gmnames[$userdata[0]] = $user_id;
		
		echo "<li>user <i>$user_login</i>... <b>Done</b></li>";

	}

?></ul><b>Done</b></li>
<li>importing posts, comments, and karma...<br /><ul><?php

	chdir($archivespath);
	
	for($i = 0; $i <= $lastentry; $i = $i + 1) {
		
		$entryfile = "";
		
		if ($i<10000000) {
			$entryfile .= "0";
			if ($i<1000000) {
				$entryfile .= "0";
				if ($i<100000) {
					$entryfile .= "0";
					if ($i<10000) {
						$entryfile .= "0";
						if ($i<1000) {
							$entryfile .= "0";
							if ($i<100) {
								$entryfile .= "0";
								if ($i<10) {
									$entryfile .= "0";
		}}}}}}}

		$entryfile .= "$i";

		if (is_file($entryfile.".cgi")) {

			$entry=file($entryfile.".cgi");
			echo "<li>entry # $entryfile ";
			$postinfo=explode("|",$entry[0]);
			$postmaincontent=$this->gm2autobr($entry[2]);
			$postmorecontent=$this->gm2autobr($entry[3]);

			$post_author=trim($wpdb->escape($postinfo[1]));

			$post_title=$this->gm2autobr($postinfo[2]);
			echo " : $post_title : by $postinfo[1]";
			$post_title=$wpdb->escape($post_title);

			$postyear=$postinfo[6];
			$postmonth=zeroise($postinfo[4],2);
			$postday=zeroise($postinfo[5],2);
			$posthour=zeroise($postinfo[7],2);
			$postminute=zeroise($postinfo[8],2);
			$postsecond=zeroise($postinfo[9],2);

			if (($postinfo[10]=="PM") && ($posthour!="12"))
				$posthour=$posthour+12;

			$post_date="$postyear-$postmonth-$postday $posthour:$postminute:$postsecond";

			$post_content=$postmaincontent;
			if (strlen($postmorecontent)>3)
				$post_content .= "<!--more--><br /><br />".$postmorecontent;
			$post_content=$wpdb->escape($post_content);

			$post_karma=$postinfo[12];

			$post_status = 'publish'; //in greymatter, there are no drafts
			$comment_status = 'open';
			$ping_status = 'closed';
			
			if ($post_ID = post_exists($post_title, '', $post_date)) {
				echo ' (already exists)';
			} else {
				//just so that if a post already exists, new users are not created by checkauthor
				// we'll check the author is registered, or if it's a deleted author
				$user_id = username_exists($post_author);
				if (!$user_id) {	// if deleted from GM, we register the author as a level 0 user
					$user_ip="127.0.0.1";
					$user_domain="localhost";
					$user_browser="server";
					$user_joindate="1979-06-06 00:41:00";
					$user_login=$wpdb->escape($post_author);
					$pass1=$wpdb->escape("password");
					$user_nickname=$wpdb->escape($post_author);
					$user_email=$wpdb->escape("user@deleted.com");
					$user_url=$wpdb->escape("");
					$user_joindate=$wpdb->escape($user_joindate);
					
					$user_info = array("user_login"=>$user_login, "user_pass"=>$pass1, "user_nickname"=>$user_nickname, "user_email"=>$user_email, "user_url"=>$user_url, "user_ip"=>$user_ip, "user_domain"=>$user_domain, "user_browser"=>$user_browser, "dateYMDhour"=>$user_joindate, "user_level"=>0, "user_idmode"=>"nickname");
					$user_id = wp_insert_user($user_info);
					$this->gmnames[$postinfo[1]] = $user_id;
					
					echo ": registered deleted user <i>$user_login</i> at level 0 ";
				}
			
				if (array_key_exists($postinfo[1], $this->gmnames)) {
					$post_author = $this->gmnames[$postinfo[1]];
				} else {
					$post_author = $user_id;
				}
			
				$postdata = compact('post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_excerpt', 'post_status', 'comment_status', 'ping_status', 'post_modified', 'post_modified_gmt');
				$post_ID = wp_insert_post($postdata);
			}

			$c=count($entry);
			if ($c>4) {
				$numAddedComments = 0;
				$numComments = 0;
				for ($j=4;$j<$c;$j++) {
					$entry[$j]=$this->gm2autobr($entry[$j]);
					$commentinfo=explode("|",$entry[$j]);
					$comment_post_ID=$post_ID;
					$comment_author=$wpdb->escape($commentinfo[0]);
					$comment_author_email=$wpdb->escape($commentinfo[2]);
					$comment_author_url=$wpdb->escape($commentinfo[3]);
					$comment_author_IP=$wpdb->escape($commentinfo[1]);

					$commentyear=$commentinfo[7];
					$commentmonth=zeroise($commentinfo[5],2);
					$commentday=zeroise($commentinfo[6],2);
					$commenthour=zeroise($commentinfo[8],2);
					$commentminute=zeroise($commentinfo[9],2);
					$commentsecond=zeroise($commentinfo[10],2);
					if (($commentinfo[11]=="PM") && ($commenthour!="12"))
						$commenthour=$commenthour+12;
					$comment_date="$commentyear-$commentmonth-$commentday $commenthour:$commentminute:$commentsecond";

					$comment_content=$wpdb->escape($commentinfo[12]);

					if (!comment_exists($comment_author, $comment_date)) {
						$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_author_email', 'comment_author_IP', 'comment_date', 'comment_content', 'comment_approved');
						$commentdata = wp_filter_comment($commentdata);
						wp_insert_comment($commentdata);
						$numAddedComments++;
					}
					$numComments++;
				}
				if ($numAddedComments > 0) {
					echo ": imported $numAddedComments comment";
					if ($numAddedComments != 1)
						echo "s";
				}
				$preExisting = $numComments - numAddedComments;
				if ($preExisting > 0)
					echo " (ignored $preExisting pre-existing comments)";
			}
			echo "... <b>Done</b></li>";
		}
	}
	?>
</ul><b>Done</b></li></ul>
<p>&nbsp;</p>
<p>Completed Greymatter import !</p>
<?php
	$this->footer();
	}

	function dispatch() {
		if (empty ($_GET['step']))
			$step = 0;
		else
			$step = (int) $_GET['step'];

		switch ($step) {
			case 0 :
				$this->greet();
				break;
			case 1:
				$this->import();
				break;
		}
	}

	function GM_Import() {
		// Nothing.	
	}
}

$gm_import = new GM_Import();

register_importer('greymatter', 'Greymatter', __('Import posts and comments from your Greymatter blog'), array ($gm_import, 'dispatch'));
?>