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implement fetching and exporting of shared feeds

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This commit is contained in:
Andrew Dolgov
2011-04-20 15:21:00 +04:00
parent cfc0647184
commit ae5f7bb11a
7 changed files with 143 additions and 38 deletions
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90
functions.php
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@@ -358,7 +358,7 @@
}
}
function fetch_file_contents($url, $type = false, $login = false, $pass = false) {
function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false) {
$login = urlencode($login);
$pass = urlencode($pass);
@@ -374,6 +374,11 @@
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
if ($post_query) {
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
}
if ($login && $pass)
curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
@@ -7351,4 +7356,87 @@
return $query;
}
// Status codes:
// -1 - never connected
// 0 - no data received
// 1 - data received successfully
// 2 - did not receive valid data
// >10 - server error, code + 10 (e.g. 16 means server error 6)
function get_linked_feeds($link, $instance_id = false) {
if ($instance_id)
$instance_qpart = "id = '$instance_id' AND ";
else
$instance_qpart = "";
if (DB_TYPE == "pgsql") {
$date_qpart = "last_connected < NOW() - INTERVAL '1 second'";
} else {
$date_qpart = "last_connected < DATE_SUB(NOW(), INTERVAL 6 HOUR";
}
$result = db_query($link, "SELECT id, access_key, access_url FROM ttrss_linked_instances
WHERE $instance_qpart $date_qpart ORDER BY last_connected");
while ($line = db_fetch_assoc($result)) {
$id = $line['id'];
_debug("Updating: " . $line['access_url'] . " ($id)");
$fetch_url = $line['access_url'] . '/backend.php?op=fbexport';
$post_query = 'key=' . $line['access_key'];
$feeds = fetch_file_contents($fetch_url, false, false, false, $post_query);
if ($feeds) {
$feeds = json_decode($feeds, true);
if ($feeds) {
if ($feeds['error']) {
$status = $feeds['error']['code'] + 10;
} else {
$status = 1;
if (count($feeds['feeds']) > 0) {
db_query($link, "DELETE FROM ttrss_linked_feeds
WHERE instance_id = '$id'");
foreach ($feeds['feeds'] as $feed) {
$feed_url = db_escape_string($feed['feed_url']);
$title = db_escape_string($feed['title']);
$subscribers = db_escape_string($feed['subscribers']);
db_query($link, "INSERT INTO ttrss_linked_feeds
(feed_url, title, subscribers, instance_id, created, updated)
VALUES
('$feed_url', '$title', '$subscribers', '$id', NOW(), NOW())");
}
} else {
// received 0 feeds, this might indicate that
// the instance on the other hand is rebuilding feedbrowser cache
// we will try again later
// TODO: maybe perform expiration based on updated here?
}
_debug("Processed " . count($feeds['feeds']) . " feeds.");
}
} else {
$status = 2;
}
} else {
$status = 0;
}
_debug("Status: $status");
db_query($link, "UPDATE ttrss_linked_instances SET
last_status_out = '$status', last_connected = NOW() WHERE id = '$id'");
}
}
?>