<?php
	function opml_import_domxml($link, $owner_uid) {

		if (is_file($_FILES['opml_file']['tmp_name'])) {
			$dom = domxml_open_file($_FILES['opml_file']['tmp_name']);

			$result = db_query($link, "SELECT id FROM
				ttrss_feed_categories WHERE title = 'Imported feeds' AND
				owner_uid = '$owner_uid' LIMIT 1");

			if (db_num_rows($result) == 1) {
				$default_cat_id = db_fetch_result($result, 0, "id");
			} else {
				$default_cat_id = 0;
			}

			if ($dom) {
				$root = $dom->document_element();

				$body = $root->get_elements_by_tagname('body');

				if ($body[0]) {			
					$body = $body[0];

					$outlines = $body->get_elements_by_tagname('outline');

				foreach ($outlines as $outline) {

					$feed_title = db_escape_string($outline->get_attribute('text'));

					if (!$feed_title) {
						$feed_title = db_escape_string($outline->get_attribute('title'));
					}

					$cat_title = db_escape_string($outline->get_attribute('title'));

					if (!$cat_title) {
						$cat_title = db_escape_string($outline->get_attribute('text'));
					}

					$feed_url = db_escape_string($outline->get_attribute('xmlUrl'));

					if (!$feed_url)
						$feed_url = db_escape_string($outline->get_attribute('xmlURL'));

					$site_url = db_escape_string($outline->get_attribute('htmlUrl'));

					if ($cat_title && !$feed_url) {

						db_query($link, "BEGIN");
						
						$result = db_query($link, "SELECT id FROM
							ttrss_feed_categories WHERE title = '$cat_title' AND
							owner_uid = '$owner_uid' LIMIT 1");

						if (db_num_rows($result) == 0) {

							printf(__("<li>Adding category <b>%s</b>.</li>"), $cat_title);

							db_query($link, "INSERT INTO ttrss_feed_categories
								(title,owner_uid) 
							VALUES ('$cat_title', '$owner_uid')");
						}

						db_query($link, "COMMIT");
					}

//						print "$active_category : $feed_title : $feed_url<br>";

					if (!$feed_title || !$feed_url) continue;

					db_query($link, "BEGIN");

					$cat_id = null;

					$parent_node = $outline->parent_node();

					if ($parent_node && $parent_node->node_name() == "outline") {
						$element_category = $parent_node->get_attribute('title');
						if (!$element_category) $element_category = $parent_node->get_attribute('text');

					} else {
						$element_category = '';
					}

					if ($element_category) {

						$element_category = db_escape_string($element_category);

						$result = db_query($link, "SELECT id FROM
								ttrss_feed_categories WHERE title = '$element_category' AND
								owner_uid = '$owner_uid' LIMIT 1");								

						if (db_num_rows($result) == 1) {	
							$cat_id = db_fetch_result($result, 0, "id");
						}
					}								

					$result = db_query($link, "SELECT id FROM ttrss_feeds WHERE
						feed_url = '$feed_url'
						AND owner_uid = '$owner_uid'");

					print "<li><a target='_blank' href='$site_url'><b>$feed_title</b></a></b> 
						(<a target='_blank' href=\"$feed_url\">rss</a>)&nbsp;";

					if (db_num_rows($result) > 0) {
						print __("is already imported.");
					} else {

						if ($cat_id) {
							$add_query = "INSERT INTO ttrss_feeds 
								(title, feed_url, owner_uid, cat_id, site_url) VALUES
								('$feed_title', '$feed_url', '$owner_uid', 
									'$cat_id', '$site_url')";

						} else {
							$add_query = "INSERT INTO ttrss_feeds 
								(title, feed_url, owner_uid, cat_id, site_url) VALUES
								('$feed_title', '$feed_url', '$owner_uid', '$default_cat_id',
									'$site_url')";

						}

						db_query($link, $add_query);
						
						print __('OK');
					}

					print "</li>";
					
					db_query($link, "COMMIT");
				}

				} else {
					print_error(__("Error: can't find body element."));
				}
			} else {
				print_error(__("Error while parsing document."));
			}

		} else {
			print_error(__("Error: please upload OPML file."));
		}

	}
?>
