link = $host->get_link();
$this->host = $host;
$host->add_hook($host::HOOK_PREFS_TAB, $this);
$host->add_command("xml-import", "import articles from XML", $this, ":", "FILE");
}
function about() {
return array(1.0,
"Imports and exports user data using neutral XML format",
"fox");
}
function xml_import($args) {
$filename = $args['xml_import'];
if (!is_file($filename)) {
print "error: input filename ($filename) doesn't exist.\n";
return;
}
_debug("please enter your username:");
$username = db_escape_string($this->link, trim(read_stdin()));
_debug("importing $filename for user $username...\n");
$result = db_query($this->link, "SELECT id FROM ttrss_users WHERE login = '$username'");
if (db_num_rows($result) == 0) {
print "error: could not find user $username.\n";
return;
}
$owner_uid = db_fetch_result($result, 0, "id");
$this->perform_data_import($this->link, $filename, $owner_uid);
}
function save() {
$example_value = db_escape_string($this->link, $_POST["example_value"]);
echo "Value set to $example_value (not really)";
}
function get_prefs_js() {
return file_get_contents(dirname(__FILE__) . "/import_export.js");
}
function hook_prefs_tab($args) {
if ($args != "prefFeeds") return;
print "";
print "
" . __("Article archive") . " ";
print "
" . __("You can export and import your Starred and Archived articles for safekeeping or when migrating between tt-rss instances.") . "
";
print "
".
__('Export my data')." ";
print "
";
print "
";
print "
";
print "
");
} else {
$fp = fopen(CACHE_DIR . "/export/$exportname.xml", "a");
}
if ($fp) {
while ($line = db_fetch_assoc($result)) {
fputs($fp, "");
foreach ($line as $k => $v) {
$v = str_replace("]]>", "]]]]>", $v);
fputs($fp, "<$k>");
}
fputs($fp, " ");
}
$exported = db_num_rows($result);
if ($exported < $limit && $exported > 0) {
fputs($fp, " ");
}
fclose($fp);
}
}
print json_encode(array("exported" => $exported));
}
function perform_data_import($link, $filename, $owner_uid) {
$num_imported = 0;
$num_processed = 0;
$num_feeds_created = 0;
$doc = @DOMDocument::load($filename);
if (!$doc) {
$contents = file_get_contents($filename);
if ($contents) {
$data = @gzuncompress($contents);
}
if (!$data) {
$data = @gzdecode($contents);
}
if ($data)
$doc = DOMDocument::loadXML($data);
}
if ($doc) {
$xpath = new DOMXpath($doc);
$container = $doc->firstChild;
if ($container && $container->hasAttribute('schema-version')) {
$schema_version = $container->getAttribute('schema-version');
if ($schema_version != SCHEMA_VERSION) {
print "" .__("Could not import: incorrect schema version.") . "
";
return;
}
} else {
print "" . __("Could not import: unrecognized document format.") . "
";
return;
}
$articles = $xpath->query("//article");
foreach ($articles as $article_node) {
if ($article_node->childNodes) {
$ref_id = 0;
$article = array();
foreach ($article_node->childNodes as $child) {
if ($child->nodeName != 'label_cache')
$article[$child->nodeName] = db_escape_string($this->link, $child->nodeValue);
else
$article[$child->nodeName] = $child->nodeValue;
}
//print_r($article);
if ($article['guid']) {
++$num_processed;
//db_query($link, "BEGIN");
//print 'GUID:' . $article['guid'] . "\n";
$result = db_query($link, "SELECT id FROM ttrss_entries
WHERE guid = '".$article['guid']."'");
if (db_num_rows($result) == 0) {
$result = db_query($link,
"INSERT INTO ttrss_entries
(title,
guid,
link,
updated,
content,
content_hash,
no_orig_date,
date_updated,
date_entered,
comments,
num_comments,
author)
VALUES
('".$article['title']."',
'".$article['guid']."',
'".$article['link']."',
'".$article['updated']."',
'".$article['content']."',
'".sha1($article['content'])."',
false,
NOW(),
NOW(),
'',
'0',
'')");
$result = db_query($link, "SELECT id FROM ttrss_entries
WHERE guid = '".$article['guid']."'");
if (db_num_rows($result) != 0) {
$ref_id = db_fetch_result($result, 0, "id");
}
} else {
$ref_id = db_fetch_result($result, 0, "id");
}
//print "Got ref ID: $ref_id\n";
if ($ref_id) {
$feed_url = $article['feed_url'];
$feed_title = $article['feed_title'];
$feed = 'NULL';
if ($feed_url && $feed_title) {
$result = db_query($link, "SELECT id FROM ttrss_feeds
WHERE feed_url = '$feed_url' AND owner_uid = '$owner_uid'");
if (db_num_rows($result) != 0) {
$feed = db_fetch_result($result, 0, "id");
} else {
// try autocreating feed in Uncategorized...
$result = db_query($link, "INSERT INTO ttrss_feeds (owner_uid,
feed_url, title) VALUES ($owner_uid, '$feed_url', '$feed_title')");
$result = db_query($link, "SELECT id FROM ttrss_feeds
WHERE feed_url = '$feed_url' AND owner_uid = '$owner_uid'");
if (db_num_rows($result) != 0) {
++$num_feeds_created;
$feed = db_fetch_result($result, 0, "id");
}
}
}
if ($feed != 'NULL')
$feed_qpart = "feed_id = $feed";
else
$feed_qpart = "feed_id IS NULL";
//print "$ref_id / $feed / " . $article['title'] . "\n";
$result = db_query($link, "SELECT int_id FROM ttrss_user_entries
WHERE ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND $feed_qpart");
if (db_num_rows($result) == 0) {
$marked = bool_to_sql_bool(sql_bool_to_bool($article['marked']));
$published = bool_to_sql_bool(sql_bool_to_bool($article['published']));
$score = (int) $article['score'];
$tag_cache = $article['tag_cache'];
$label_cache = db_escape_string($this->link, $article['label_cache']);
$note = $article['note'];
//print "Importing " . $article['title'] . "" .
__("Finished: ").
vsprintf(ngettext("%d article processed, ", "%d articles processed, ", $num_processed), $num_processed).
vsprintf(ngettext("%d imported, ", "%d imported, ", $num_imported), $num_imported).
vsprintf(ngettext("%d feed created.", "%d feeds created.", $num_feeds_created), $num_feeds_created).
"
";
} else {
print "" . __("Could not load XML document.") . "
";
}
}
function exportData() {
print "You need to prepare exported data first by clicking the button below.
";
print "";
print "".
__('Prepare data')." ";
print "".
__('Close this window')." ";
print "
";
}
function dataImport() {
header("Content-Type: text/html"); # required for iframe
print "";
if ($_FILES['export_file']['error'] != 0) {
print_error(T_sprintf("Upload failed with error code %d",
$_FILES['export_file']['error']));
return;
}
$tmp_file = false;
if (is_uploaded_file($_FILES['export_file']['tmp_name'])) {
$tmp_file = tempnam(CACHE_DIR . '/upload', 'export');
$result = move_uploaded_file($_FILES['export_file']['tmp_name'],
$tmp_file);
if (!$result) {
print_error(__("Unable to move uploaded file."));
return;
}
} else {
print_error(__('Error: please upload OPML file.'));
return;
}
if (is_file($tmp_file)) {
$this->perform_data_import($this->link, $tmp_file, $_SESSION['uid']);
unlink($tmp_file);
} else {
print_error(__('No file uploaded.'));
return;
}
print "".
__('Close this window')." ";
print "
";
}
}
?>