boinc/html/user/top_teams.php

132 lines
3.9 KiB
PHP

<?php
// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
require_once("../inc/cache.inc");
require_once("../inc/util.inc");
require_once("../inc/team.inc");
require_once("../inc/db.inc");
check_get_args(array("sort_by", "type", "offset"));
$config = get_config();
$teams_per_page = parse_config($config, "<teams_per_page>");
if (!$teams_per_page) {
$teams_per_page = 20;
}
define('ITEM_LIMIT', 10000);
function get_top_teams($offset, $sort_by, $type){
global $teams_per_page;
$db = BoincDb::get(true);
$type_clause = null;
if ($type){
$type_clause = "type=$type";
}
if ($sort_by == "total_credit") {
$sort_order = "total_credit desc";
} else {
$sort_order = "expavg_credit desc";
}
return BoincTeam::enum($type_clause, "order by $sort_order limit $offset, $teams_per_page");
}
// These converter functions are here in case we later decide to use something
// else than serializing to save temp data
//
function teams_to_store($participants){
return serialize($participants);
}
function store_to_teams($data){
return unserialize($data);
}
$sort_by = get_str("sort_by", true);
switch ($sort_by) {
case "total_credit":
case "expavg_credit":
break;
default:
$sort_by = "expavg_credit";
}
$type = get_int("type", true);
if ($type < 1 || $type > 7) {
$type = 0;
}
$type_url="";
$type_name="";
if ($type) {
$type_url = "&type=$type";
$type_name = team_type_name($type);
}
$offset = get_int("offset", true);
if (!$offset) $offset=0;
if ($offset % $teams_per_page) $offset = 0;
if ($offset < ITEM_LIMIT) {
$cache_args = "sort_by=$sort_by&offset=$offset$type_url";
$cacheddata = get_cached_data(TOP_PAGES_TTL,$cache_args);
//If we have got the data in cache
if ($cacheddata){
$data = store_to_teams($cacheddata); // use the cached data
} else {
//if not do queries etc to generate new data
$data = get_top_teams($offset,$sort_by,$type);
// Calculate nusers before storing into the cache
foreach ($data as $team) {
$team->nusers = team_count_members($team->id);
}
//save data in cache
set_cached_data(TOP_PAGES_TTL, teams_to_store($data), $cache_args);
}
} else {
error_page(tra("Limit exceeded - Sorry, first %1 items only", ITEM_LIMIT));
}
// Now display what we've got (either gotten from cache or from DB)
page_head(tra("Top %1 teams", $type_name));
if (count($data) == 0) {
echo tra("There are no %1 teams", $type_name);
} else {
start_table();
team_table_start($sort_by, $type_url);
$i = 1 + $offset;
$n = sizeof($data);
foreach ($data as $team) {
show_team_row($team, $i);
$i++;
}
echo "</table>\n<p>";
if ($offset > 0) {
$new_offset = $offset - $teams_per_page;
echo "<a href=top_teams.php?sort_by=$sort_by&amp;offset=$new_offset".$type_url.">".tra("Previous %1", $teams_per_page)."</a> | ";
}
if ($n==$teams_per_page){ //If we aren't on the last page
$new_offset = $offset + $teams_per_page;
echo "<a href=top_teams.php?sort_by=$sort_by&amp;offset=$new_offset".$type_url.">".tra("Next %1", $teams_per_page)."</a>";
}
}
page_tail();
?>