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Git 2014-05-30 08:02:33 +00:00
parent bd7393ffa4
commit 6c707176f2
2 changed files with 42 additions and 11 deletions
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52
classes/torrents.class.php
View File

@ -2,6 +2,7 @@
class Torrents { class Torrents {
const FILELIST_DELIM = 0xF7; // Hex for ÷ Must be the same as phrase_boundary in sphinx.conf! const FILELIST_DELIM = 0xF7; // Hex for ÷ Must be the same as phrase_boundary in sphinx.conf!
const SNATCHED_UPDATE_INTERVAL = 3600; // How often we want to update users' snatch lists const SNATCHED_UPDATE_INTERVAL = 3600; // How often we want to update users' snatch lists
const SNATCHED_UPDATE_AFTERDL = 300; // How long after a torrent download we want to update a user's snatch lists
/** /**
* Function to get data and torrents for an array of GroupIDs. Order of keys doesn't matter * Function to get data and torrents for an array of GroupIDs. Order of keys doesn't matter
@ -807,9 +808,14 @@ public static function can_use_token($Torrent) {
&& G::$LoggedUser['CanLeech'] == '1'); && G::$LoggedUser['CanLeech'] == '1');
} }
/**
public static function has_snatched($TorrentID, $AllUsers = false) { * Build snatchlists and check if a torrent has been snatched
if (!$AllUsers && (empty(G::$LoggedUser) || !G::$LoggedUser['ShowSnatched'])) { * if a user has the 'ShowSnatched' option enabled
* @param int $TorrentID
* @return bool
*/
public static function has_snatched($TorrentID) {
if (empty(G::$LoggedUser) || !G::$LoggedUser['ShowSnatched']) {
return false; return false;
} }
@ -817,11 +823,16 @@ public static function has_snatched($TorrentID, $AllUsers = false) {
$Buckets = 64; $Buckets = 64;
$LastBucket = $Buckets - 1; $LastBucket = $Buckets - 1;
$BucketID = $TorrentID & $LastBucket; $BucketID = $TorrentID & $LastBucket;
static $SnatchedTorrents = array(), $LastUpdate = 0; static $SnatchedTorrents = array(), $UpdateTime = array();
if (empty($SnatchedTorrents)) { if (empty($SnatchedTorrents)) {
$SnatchedTorrents = array_fill(0, $Buckets, false); $SnatchedTorrents = array_fill(0, $Buckets, false);
$LastUpdate = G::$Cache->get_value("users_snatched_{$UserID}_lastupdate") ?: 0; $UpdateTime = G::$Cache->get_value("users_snatched_{$UserID}_time");
if ($UpdateTime === false) {
$UpdateTime = array(
'last' => 0,
'next' => 0);
}
} elseif (isset($SnatchedTorrents[$BucketID][$TorrentID])) { } elseif (isset($SnatchedTorrents[$BucketID][$TorrentID])) {
return true; return true;
} }
@ -832,16 +843,16 @@ public static function has_snatched($TorrentID, $AllUsers = false) {
$CurTime = time(); $CurTime = time();
// This bucket hasn't been checked before // This bucket hasn't been checked before
$CurSnatchedTorrents = G::$Cache->get_value("users_snatched_{$UserID}_$BucketID", true); $CurSnatchedTorrents = G::$Cache->get_value("users_snatched_{$UserID}_$BucketID", true);
if ($CurSnatchedTorrents === false || $CurTime - $LastUpdate > self::SNATCHED_UPDATE_INTERVAL) { if ($CurSnatchedTorrents === false || $CurTime > $UpdateTime['next']) {
$Updated = array(); $Updated = array();
$QueryID = G::$DB->get_query_id(); $QueryID = G::$DB->get_query_id();
if ($CurSnatchedTorrents === false || $LastUpdate == 0) { if ($CurSnatchedTorrents === false || $UpdateTime['last'] == 0) {
for ($i = 0; $i < $Buckets; $i++) { for ($i = 0; $i < $Buckets; $i++) {
$SnatchedTorrents[$i] = array(); $SnatchedTorrents[$i] = array();
} }
// Not found in cache. Since we don't have a suitable index, it's faster to update everything // Not found in cache. Since we don't have a suitable index, it's faster to update everything
G::$DB->query(" G::$DB->query("
SELECT fid, tstamp AS TorrentID SELECT fid
FROM xbt_snatched FROM xbt_snatched
WHERE uid = '$UserID'"); WHERE uid = '$UserID'");
while (list($ID) = G::$DB->next_record(MYSQLI_NUM, false)) { while (list($ID) = G::$DB->next_record(MYSQLI_NUM, false)) {
@ -857,7 +868,7 @@ public static function has_snatched($TorrentID, $AllUsers = false) {
SELECT fid SELECT fid
FROM xbt_snatched FROM xbt_snatched
WHERE uid = '$UserID' WHERE uid = '$UserID'
AND tstamp >= $LastUpdate"); AND tstamp >= $UpdateTime[last]");
while (list($ID) = G::$DB->next_record(MYSQLI_NUM, false)) { while (list($ID) = G::$DB->next_record(MYSQLI_NUM, false)) {
$CurBucketID = $ID & $LastBucket; $CurBucketID = $ID & $LastBucket;
if ($SnatchedTorrents[$CurBucketID] === false) { if ($SnatchedTorrents[$CurBucketID] === false) {
@ -876,13 +887,32 @@ public static function has_snatched($TorrentID, $AllUsers = false) {
G::$Cache->cache_value("users_snatched_{$UserID}_$i", $SnatchedTorrents[$i], 0); G::$Cache->cache_value("users_snatched_{$UserID}_$i", $SnatchedTorrents[$i], 0);
} }
} }
G::$Cache->cache_value("users_snatched_{$UserID}_lastupdate", $CurTime, 0); $UpdateTime['last'] = $CurTime;
$LastUpdate = $CurTime; $UpdateTime['next'] = $CurTime + self::SNATCHED_UPDATE_INTERVAL;
G::$Cache->cache_value("users_snatched_{$UserID}_time", $UpdateTime, 0);
} }
} }
return isset($CurSnatchedTorrents[$TorrentID]); return isset($CurSnatchedTorrents[$TorrentID]);
} }
/**
* Change the schedule for when the next update to a user's cached snatch list should be performed.
* By default, the change will only be made if the new update would happen sooner than the current
* @param int $Time Seconds until the next update
* @param bool $Force Whether to accept changes that would push back the update
*/
public static function set_snatch_update_time($UserID, $Time, $Force = false) {
if (!$UpdateTime = G::$Cache->get_value("users_snatched_{$UserID}_time")) {
return;
}
$NextTime = time() + $Time;
if ($Force || $NextTime < $UpdateTime['next']) {
// Skip if the change would delay the next update
$UpdateTime['next'] = $NextTime;
G::$Cache->cache_value("users_snatched_{$UserID}_time", $UpdateTime, 0);
}
}
// Some constants for self::display_string's $Mode parameter // Some constants for self::display_string's $Mode parameter
const DISPLAYSTRING_HTML = 1; // Whether or not to use HTML for the output (e.g. VH tooltip) const DISPLAYSTRING_HTML = 1; // Whether or not to use HTML for the output (e.g. VH tooltip)
const DISPLAYSTRING_ARTISTS = 2; // Whether or not to display artists const DISPLAYSTRING_ARTISTS = 2; // Whether or not to display artists

1
sections/torrents/download.php
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@ -172,6 +172,7 @@
FROM torrents_files FROM torrents_files
WHERE TorrentID = '$TorrentID'"); WHERE TorrentID = '$TorrentID'");
Torrents::set_snatch_update_time($UserID, Torrents::SNATCHED_UPDATE_AFTERDL);
list($Contents) = $DB->next_record(MYSQLI_NUM, false); list($Contents) = $DB->next_record(MYSQLI_NUM, false);
$FileName = TorrentsDL::construct_file_name($Info['PlainArtists'], $Name, $Year, $Media, $Format, $Encoding, false, $DownloadAlt); $FileName = TorrentsDL::construct_file_name($Info['PlainArtists'], $Name, $Year, $Media, $Format, $Encoding, false, $DownloadAlt);