186 lines
6.0 KiB
PHP
186 lines
6.0 KiB
PHP
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<?php
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class RSS_Import {
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var $authors = array ();
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var $posts = array ();
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function header() {
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echo '<div class="wrap">';
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echo '<h2>'.__('Import RSS').'</h2>';
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}
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function footer() {
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echo '</div>';
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}
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function greet() {
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$this->header();
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?>
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<p>Howdy! This importer allows you to extract posts from any RSS 2.0 file into your blog. This is useful if you want to import your posts from a system that is not handled by a custom import tool. To get started you must edit the following line in this file (<code>import/rss.php</code>) </p>
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<p><code>define('RSSFILE', '');</code></p>
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<p>You want to define where the RSS file we'll be working with is, for example: </p>
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<p><code>define('RSSFILE', 'rss.xml');</code></p>
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<p>You have to do this manually for security reasons. When you're done reload this page and we'll take you to the next step.</p>
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<?php if ('' != RSSFILE) : ?>
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<a href="admin.php?import=rss&step=1">Begin RSS Import »</a>
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<?php
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endif;
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$this->footer();
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}
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function get_posts() {
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set_magic_quotes_runtime(0);
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$datalines = file(RSSFILE); // Read the file into an array
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$importdata = implode('', $datalines); // squish it
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$importdata = str_replace(array ("\r\n", "\r"), "\n", $importdata);
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preg_match_all('|<item>(.*?)</item>|is', $importdata, $posts);
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$this->posts = $posts[1];
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}
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function import_posts() {
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echo '<ol>';
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foreach ($this->posts as $post)
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: $title = $date = $categories = $content = $post_id = '';
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echo "<li>Importing post... ";
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preg_match('|<title>(.*?)</title>|is', $post, $title);
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$title = $wpdb->escape(trim($title[1]));
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$post_name = sanitize_title($title);
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preg_match('|<pubdate>(.*?)</pubdate>|is', $post, $date);
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if ($date)
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: $date = strtotime($date[1]);
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else
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: // if we don't already have something from pubDate
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preg_match('|<dc:date>(.*?)</dc:date>|is', $post, $date);
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$date = preg_replace('|([-+])([0-9]+):([0-9]+)$|', '\1\2\3', $date[1]);
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$date = str_replace('T', ' ', $date);
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$date = strtotime($date);
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endif;
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$post_date = gmdate('Y-m-d H:i:s', $date);
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preg_match_all('|<category>(.*?)</category>|is', $post, $categories);
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$categories = $categories[1];
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if (!$categories)
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: preg_match_all('|<dc:subject>(.*?)</dc:subject>|is', $post, $categories);
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$categories = $categories[1];
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endif;
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preg_match('|<guid.+?>(.*?)</guid>|is', $post, $guid);
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if ($guid)
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$guid = $wpdb->escape(trim($guid[1]));
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else
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$guid = '';
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preg_match('|<content:encoded>(.*?)</content:encoded>|is', $post, $content);
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$content = str_replace(array ('<![CDATA[', ']]>'), '', $wpdb->escape(trim($content[1])));
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if (!$content)
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: // This is for feeds that put content in description
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preg_match('|<description>(.*?)</description>|is', $post, $content);
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$content = $wpdb->escape(unhtmlentities(trim($content[1])));
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endif;
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// Clean up content
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$content = preg_replace('|<(/?[A-Z]+)|e', "'<' . strtolower('$1')", $content);
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$content = str_replace('<br>', '<br />', $content);
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$content = str_replace('<hr>', '<hr />', $content);
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// This can mess up on posts with no titles, but checking content is much slower
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// So we do it as a last resort
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if ('' == $title)
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: $dupe = $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_content = '$content' AND post_date = '$post_date'");
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else
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: $dupe = $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_title = '$title' AND post_date = '$post_date'");
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endif;
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// Now lets put it in the DB
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if ($dupe)
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: echo 'Post already imported';
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else
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: $wpdb->query("INSERT INTO $wpdb->posts
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(post_author, post_date, post_date_gmt, post_content, post_title,post_status, comment_status, ping_status, post_name, guid)
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VALUES
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('$post_author', '$post_date', DATE_ADD('$post_date', INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE), '$content', '$title', 'publish', '$comment_status', '$ping_status', '$post_name', '$guid')");
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$post_id = $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_title = '$title' AND post_date = '$post_date'");
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if (!$post_id)
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die("couldn't get post ID");
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if (0 != count($categories))
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: foreach ($categories as $post_category)
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: $post_category = unhtmlentities($post_category);
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// See if the category exists yet
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$cat_id = $wpdb->get_var("SELECT cat_ID from $wpdb->categories WHERE cat_name = '$post_category'");
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if (!$cat_id && '' != trim($post_category)) {
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$cat_nicename = sanitize_title($post_category);
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$wpdb->query("INSERT INTO $wpdb->categories (cat_name, category_nicename) VALUES ('$post_category', '$cat_nicename')");
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$cat_id = $wpdb->get_var("SELECT cat_ID from $wpdb->categories WHERE cat_name = '$post_category'");
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}
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if ('' == trim($post_category))
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$cat_id = 1;
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// Double check it's not there already
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$exists = $wpdb->get_row("SELECT * FROM $wpdb->post2cat WHERE post_id = $post_id AND category_id = $cat_id");
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if (!$exists) {
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$wpdb->query("
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INSERT INTO $wpdb->post2cat
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(post_id, category_id)
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VALUES
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($post_id, $cat_id)
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");
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}
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endforeach;
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else
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: $exists = $wpdb->get_row("SELECT * FROM $wpdb->post2cat WHERE post_id = $post_id AND category_id = 1");
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if (!$exists)
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$wpdb->query("INSERT INTO $wpdb->post2cat (post_id, category_id) VALUES ($post_id, 1) ");
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endif;
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echo 'Done!</li>';
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endif;
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endforeach;
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echo '</ol>';
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}
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function import() {
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// FIXME: Don't die.
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if ('' != RSSFILE && !file_exists(RSSFILE)) die("The file you specified does not seem to exist. Please check the path you've given.");
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if ('' == RSSFILE) die("You must edit the RSSFILE line as described on the <a href='import-mt.php'>previous page</a> to continue.");
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$this->get_posts();
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$this->import_posts();
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echo '<h3>All done. <a href="../">Have fun!</a></h3>';
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}
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function dispatch() {
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if (empty($_GET['step']))
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$step = 0;
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else
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$step = (int) $_GET['step'];
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switch ($step) {
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case 0:
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$this->greet();
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break;
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case 1:
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$this->import();
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break;
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}
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}
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function RSS_Import() {
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// Nothing.
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}
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}
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$rss_import = new RSS_Import();
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register_importer('rss', 'RSS', 'Import posts from and RSS feed', array($rss_import, 'dispatch'));
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?>
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