support import and export of tt-rss preferences in OPML with DOMDocument OPML path

[tt-rss.git] / modules / opml_domdoc.php

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

		$_FILES['opml_file']['tmp_name'] = '/home/fox/opml.php';

		if (is_file($_FILES['opml_file']['tmp_name'])) {
			$doc = DOMDocument::load($_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 ($doc) {
				$body = $doc->getElementsByTagName('body');

				$xpath = new DOMXpath($doc);
				$query = "/opml/body//outline";

				$outlines = $xpath->query($query);

				foreach ($outlines as $outline) {

					$feed_title = db_escape_string($outline->attributes->getNamedItem('text')->nodeValue);

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

					$cat_title = db_escape_string($outline->attributes->getNamedItem('title')->nodeValue);

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

					$feed_url = db_escape_string($outline->attributes->getNamedItem('xmlUrl')->nodeValue);
					$site_url = db_escape_string($outline->attributes->getNamedItem('htmlUrl')->nodeValue);

					$pref_name = db_escape_string($outline->attributes->getNamedItem('pref-name')->nodeValue);

					if ($cat_title && !$feed_url) {

						if ($cat_title != "tt-rss-prefs") {

							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 ($pref_name) {
						$parent_node = $outline->parentNode;

						if ($parent_node && $parent_node->nodeName == "outline") {
							$cat_check = $parent_node->attributes->getNamedItem('title')->nodeValue;
							if ($cat_check == "tt-rss-prefs") {
								$pref_value = db_escape_string($outline->attributes->getNamedItem('value')->nodeValue);

								printf("<li>".
									__("Setting preference key %s to %s")."</li>", 
										$pref_name, $pref_value);

								set_pref($link, $pref_name, $pref_value);	

							}
						}
					}

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

					db_query($link, "BEGIN");

					$cat_id = null;

					$parent_node = $outline->parentNode;

					if ($parent_node && $parent_node->nodeName == "outline") {
						$element_category = $parent_node->attributes->getNamedItem('title')->nodeValue;
						if (!$element_category) $element_category = $parent_node->attributes->getNamedItem('text')->nodeValue;

					} 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')";

						}

						//print $add_query;
						db_query($link, $add_query);

						print __('OK');
					}

					print "</li>";

					db_query($link, "COMMIT");
				}

			} else {
				print_error(__('Error while parsing document.'));
			}

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


	}
?>