* presumably they want to see the full HTML, with pretty
* output and such.
*/
/* XXX - Would this be desirable in "update all feeds" mode?
* Maybe not. Just try one-feed mode for now.
*
* OTOH, I use this extensively when debugging plugins to
* remove ads. So perhaps this stuff should be left alone,
* save that if the user left-clicks on the "Update feed"
* link, it should use JS and update in the background, while
* if ve middle-clicks, it should use traditional HTML.
*/
if ($verbose) {
error_log("Updating feed_id {$feed_id}");
}
$feed = db_get_feed($feed_id);
if ($feed === NULL) {
// Invalid feed ID, presumably..
error_log("Invalid feed ID: {$feed_id}");
abort("Invalid feed ID: {$feed_id}");
}
$handler->start_feed($feed_id, $feed['title']);
$err = update_feed($feed_id, $feed);
if (!$err) {
// XXX - This should never happen
$handler->error($feed_id, $feed['title'], "parse_feed() returned " . ($err == "" ? var_export($err) : $err));
}
/* Error-checking */
if (isset($err['status']) && $err['status'] != 0) {
switch ($out_fmt) {
case "json":
/* Has confirmation been given? */
$confirm = $_REQUEST['confirm'];
//echo "confirm == [$confirm]<br/>\n";
if ($confirm == "yes") {
/* Go ahead and unsubscribe */
db_delete_feed($feed_id);
// XXX - Error-checking
/* Redirect back to the main page */
redirect_to("index.html");
exit(0);
}
/* Confirmation has not been given. Show feed info and ask for
* confirmation.
*/
// We've already established above that $feed_id is numeric
$feed_info = db_get_feed($feed_id);
if ($feed_info === NULL) {
/* No such feed. Abort */
abort("No such feed: {$feed_id}.");
}
// What follows is basically a template.
########################################
echo '<', '?xml version="1.0" encoding="UTF-8"?', ">\n";
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<title>NewsBite: Unsubscribe</title>
<link rel="stylesheet" type="text/css" href="css/style.css" media="all" />
<link rel="stylesheet" type="text/css" href="css/unsubscribe.css" media="all" />
function update_feed_info($feed_id)
{
$feed_info = db_get_feed($feed_id);
if ($feed_info === NULL) {
abort("No such feed: {$feed_id}");
}
/* Build an assoc of new values */
$new = array();
// I'm not sure why or how $_REQUEST values acquire
// backslashes in front of quotation marks, but they do.
$new['nickname'] = stripcslashes($_REQUEST['nickname']);
$new['url'] = stripcslashes($_REQUEST['url']);
$new['feed_url'] = stripcslashes($_REQUEST['feed_url']);
$new['active'] = $_REQUEST['active'] != "";
# Boolean
$new['username'] = stripcslashes($_REQUEST['username']);
$new['passwd'] = stripcslashes($_REQUEST['password']);
// XXX - Perhaps try to fetch the feed if the feed URL,
// username, or password has changed?
$ok = true;
$errors = array();
// XXX - Check parameters.
if (!$ok) {
// XXX - This is rather theoretical. We don't actually
// check anything.
abort("You supplied a bad value of some kind. Go back and fix it.");
}
/* Update the list of groups that the feed is in:
* $old_groups is the groups the feed is currently in.
* $new_groups is the ones it should be in, as gleaned from
* $_REQUEST.
* Diff the two to see whichg groups to remove the feed from,
* and which ones to add it to.
*/
$old_groups = $feed_info['groups'];
$new_groups = array();
foreach ($_REQUEST as $key => $value) {
if (preg_match('/^group_(-?\\d+)$/', $key, $match)) {
$new_groups[] = $match[1];
}
}
// First diff: see which groups to remove the feed from.
$diffs = array_diff($old_groups, $new_groups);
if (count($diffs) != 0) {
foreach ($diffs as $g) {
// Remove feed $feed_id from group $g
db_group_remove_member($g, $feed_id);
}
}
// Second diff: see which groups to add the feed to.
$diffs = array_diff($new_groups, $old_groups);
if (count($diffs) != 0) {
foreach ($diffs as $g) {
echo "Add feed {$feed_id} to group {$g}<br/>\n";
db_group_add_member($g, $feed_id);
}
}
/* No errors. Update the database. */
db_update_feed_info($feed_id, $new);
// XXX - Error-checking
/* Redirect to the feed view page */
if ($new['active']) {
redirect_to("view.php#id={$feed_id}");
} else {
redirect_to("index.html");
}
}
