");
if (!$users_per_page) {
$users_per_page = 20;
}
define ('ITEM_LIMIT', 10000);
function get_top_participants($offset, $sort_by) {
global $users_per_page;
$db = BoincDb::get(true);
if ($sort_by == "total_credit") {
$sort_order = "total_credit desc";
} else {
$sort_order = "expavg_credit desc";
}
return BoincUser::enum(null, "order by $sort_order limit $offset,$users_per_page");
}
function user_table_start($sort_by) {
start_table();
echo "
".tra("Rank")." |
".tra("Name")." |
";
if ($sort_by == "total_credit") {
echo "
".tra("Recent average credit")." |
".tra("Total credit")." |
";
} else {
echo "
".tra("Recent average credit")." |
".tra("Total credit")." |
";
}
echo "
".tra("Country")." |
".tra("Participant since")." |
";
}
function show_user_row($user, $i) {
echo "
$i |
", user_links($user), " |
", format_credit($user->expavg_credit), " |
", format_credit_large($user->total_credit), " |
", $user->country, " |
", time_str($user->create_time)," |
";
}
if (isset($_GET["sort_by"])) {
$sort_by = $_GET["sort_by"];
} else {
$sort_by = "expavg_credit";
}
$offset = get_int("offset", true);
if (!$offset) $offset=0;
if ($offset % $users_per_page) $offset = 0;
if ($offset < ITEM_LIMIT) {
$cache_args = "sort_by=$sort_by&offset=$offset";
$cacheddata=get_cached_data(TOP_PAGES_TTL,$cache_args);
// Do we have the data in cache?
//
if ($cacheddata){
$data = unserialize($cacheddata); // use the cached data
} else {
//if not do queries etc to generate new data
$data = get_top_participants($offset, $sort_by);
//save data in cache
//
set_cache_data(serialize($data),$cache_args);
}
} else {
error_page("Limit exceeded - Sorry, first ".ITEM_LIMIT." items only");
}
// Now display what we've got (either gotten from cache or from DB)
page_head(tra("Top participants"));
user_table_start($sort_by);
$i = 1 + $offset;
$n = sizeof($data);
foreach ($data as $user) {
show_user_row($user, $i);
$i++;
}
echo "\n";
if ($offset > 0) {
$new_offset = $offset - $users_per_page;
echo "Previous ".$users_per_page." | ";
}
if ($n==$users_per_page){ //If we aren't on the last page
$new_offset = $offset + $users_per_page;
echo "Next ".$users_per_page."";
}
page_tail();
?>