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<?
require_once 'config.php';
function update_all_feeds($link, $fetch) {
if (!$fetch) {
$result = pg_query($link, "SELECT feed_url,id FROM ttrss_feeds WHERE
last_updated is null OR title = '' OR
EXTRACT(EPOCH FROM NOW()) - EXTRACT(EPOCH FROM last_updated) > " .
MIN_UPDATE_TIME);
} else {
$result = pg_query($link, "SELECT feed_url,id FROM ttrss_feeds");
}
$num_unread = 0;
while ($line = pg_fetch_assoc($result)) {
$num_unread += update_rss_feed($link, $line["feed_url"], $line["id"]);
}
}
function update_rss_feed($link, $feed_url, $feed) {
$rss = fetch_rss($feed_url);
$num_unread = 0;
if ($rss) {
$result = pg_query("SELECT title FROM ttrss_feeds WHERE id = '$feed'");
$registered_title = pg_fetch_result($result, 0, "title");
if (!$registered_title) {
$feed_title = $rss->channel["title"];
pg_query("UPDATE ttrss_feeds SET title = '$feed_title' WHERE id = '$feed'");
}
foreach ($rss->items as $item) {
$entry_guid = $item["id"];
if (!$entry_guid) $entry_guid = $item["guid"];
if (!$entry_guid) $entry_guid = $item["link"];
$entry_timestamp = "";
$rss_2_date = $item['pubdate'];
$rss_1_date = $item['dc']['date'];
$atom_date = $item['issued'];
if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
if ($entry_timestamp == "") $entry_timestamp = time();
$entry_title = $item["title"];
$entry_link = $item["link"];
if (!$entry_title) continue;
if (!$entry_link) continue;
$entry_content = $item["description"];
if (!$entry_content) $entry_content = $item["content"];
$entry_content = pg_escape_string($entry_content);
$entry_title = pg_escape_string($entry_title);
$content_md5 = md5($entry_content);
$result = pg_query($link, "
SELECT
id,unread,md5_hash
FROM
ttrss_entries
WHERE
guid = '$entry_guid' OR md5_hash = '$content_md5'");
if (pg_num_rows($result) == 0) {
$entry_timestamp = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
$query = "INSERT INTO ttrss_entries
(title, guid, link, updated, content, feed_id, md5_hash)
VALUES
('$entry_title', '$entry_guid', '$entry_link',
'$entry_timestamp', '$entry_content', '$feed',
'$content_md5')";
$result = pg_query($link, $query);
if ($result) ++$num_unread;
} else {
$entry_id = pg_fetch_result($result, 0, "id");
$entry_timestamp = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
$unread = pg_fetch_result($result, 0, "unread");
$md5_hash = pg_fetch_result($result, 0, "md5_hash");
if ($md5_hash != $content_md5 && CONTENT_CHECK_MD5)
$unread = "true";
if ($unread || !CONTENT_CHECK_MD5) {
$updated_query_part = "updated = '$entry_timestamp',";
}
$query = "UPDATE ttrss_entries
SET
title ='$entry_title',
link = '$entry_link',
$updated_query_part
content = '$entry_content',
md5_hash = '$content_md5',
unread = '$unread'
WHERE
id = '$entry_id'";
$result = pg_query($link, $query);
if ($result) ++$num_unread;
}
}
if ($result) {
$result = pg_query($link, "UPDATE ttrss_feeds SET last_updated = NOW()");
}
}
}
?>
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