Flesh out LJ importer.

git-svn-id: http://svn.automattic.com/wordpress/trunk@3374 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/import/livejournal.php

@@ -0,0 +1,144 @@
+<?php
+
+class LJ_Import {
+
+	var $posts = array ();
+	var $file;
+
+	function header() {
+		echo '<div class="wrap">';
+		echo '<h2>'.__('Import LiveJournal').'</h2>';
+	}
+
+	function footer() {
+		echo '</div>';
+	}
+
+	function unhtmlentities($string) { // From php.net for < 4.3 compat
+		$trans_tbl = get_html_translation_table(HTML_ENTITIES);
+		$trans_tbl = array_flip($trans_tbl);
+		return strtr($string, $trans_tbl);
+	}
+	
+	function greet() {
+		echo '<p>'.__('Howdy! This importer allows you to extract posts from LiveJournal XML export file into your blog.  Pick a LiveJournal file to upload and click Import.').'</p>';
+		wp_import_upload_form("admin.php?import=livejournal&amp;step=1");
+	}
+
+	function get_posts() {
+		global $wpdb, $current_user;
+		
+		set_magic_quotes_runtime(0);
+		$datalines = file($this->file); // Read the file into an array
+		$importdata = implode('', $datalines); // squish it
+		$importdata = str_replace(array ("\r\n", "\r"), "\n", $importdata);
+
+		preg_match_all('|<entry>(.*?)</entry>|is', $importdata, $this->posts);
+		$this->posts = $this->posts[1];
+		$index = 0;
+		foreach ($this->posts as $post) {
+			preg_match('|<subject>(.*?)</subject>|is', $post, $post_title);
+			$post_title = $wpdb->escape(trim($post_title[1]));
+			if ( empty($post_title) ) {
+				preg_match('|<eventid>(.*?)</eventid>|is', $post, $post_title);
+				$post_title = $wpdb->escape(trim($post_title[1]));
+			}
+	
+			preg_match('|<eventtime>(.*?)</eventtime>|is', $post, $post_date);
+
+			$post_date = strtotime($post_date[1]);
+			$post_date = gmdate('Y-m-d H:i:s', $post_date);
+
+			preg_match('|<event>(.*?)</event>|is', $post, $post_content);
+			$post_content = str_replace(array ('<![CDATA[', ']]>'), '', $wpdb->escape(trim($post_content[1])));
+
+			if (!$post_content) {
+				// This is for feeds that put content in description
+				preg_match('|<description>(.*?)</description>|is', $post, $post_content);
+				$post_content = $wpdb->escape($this->unhtmlentities(trim($post_content[1])));
+			}
+
+			// Clean up content
+			$post_content = preg_replace('|<(/?[A-Z]+)|e', "'<' . strtolower('$1')", $post_content);
+			$post_content = str_replace('<br>', '<br />', $post_content);
+			$post_content = str_replace('<hr>', '<hr />', $post_content);
+
+			$post_author = $current_user->ID;
+			$post_status = 'publish';
+			$this->posts[$index] = compact('post_author', 'post_date', 'post_content', 'post_title', 'post_status');
+			$index++;
+		}
+	}
+
+	function import_posts() {
+		echo '<ol>';
+
+		foreach ($this->posts as $post) {
+			echo "<li>".__('Importing post...');
+
+			extract($post);
+
+			if ($post_id = post_exists($post_title, $post_content, $post_date)) {
+				_e('Post already imported');
+			} else {
+				$post_id = wp_insert_post($post);
+				if (!$post_id) {
+					_e("Couldn't get post ID");
+					return;
+				}
+
+				_e('Done !');
+			}
+			echo '</li>';
+		}
+
+		echo '</ol>';
+
+	}
+
+	function import() {
+		$file = wp_import_handle_upload();
+		if ( isset($file['error']) ) {
+			echo $file['error'];
+			return;
+		}
+
+		$this->file = $file['file'];
+		$this->get_posts();
+		$this->import_posts();
+		wp_import_cleanup($file['id']);
+		
+		echo '<h3>';
+		printf(__('All done. <a href="%s">Have fun!</a>'), get_option('home'));
+		echo '</h3>';
+	}
+
+	function dispatch() {
+		if (empty ($_GET['step']))
+			$step = 0;
+		else
+			$step = (int) $_GET['step'];
+
+		$this->header();
+		
+		switch ($step) {
+			case 0 :
+				$this->greet();
+				break;
+			case 1 :
+				$this->import();
+				break;
+		}
+		
+		$this->footer();
+	}
+
+	function LJ_Import() {
+		// Nothing.	
+	}
+}
+
+$livejournal_import = new LJ_Import();
+
+//register_importer('livejournal', 'LiveJournal', __('Import posts from LiveJournal'), array ($livejournal_import, 'dispatch'));
+?>

wp-admin/import/rss.php

@@ -1,9 +1,5 @@
 <?php
 
-// Example:
-// define('RSSFILE', '/home/example/public_html/rss.xml');
-define('RSSFILE', 'rss.xml');
-
 class RSS_Import {
 
 	var $posts = array ();