boinc/html/user/top_hosts.php

84 lines
2.3 KiB
PHP

<?php
require_once("../inc/cache.inc");
require_once("../inc/util.inc");
require_once("../inc/user.inc");
require_once("../inc/host.inc");
require_once("../inc/db.inc");
require_once("../inc/translation.inc");
define (ITEMS_PER_PAGE, 20);
define (ITEM_LIMIT,10000);
function get_top_hosts($offset,$sort_by){ //Possibly move this to db.inc at some point...
if ($sort_by == "total_credit") {
$sort_order = "total_credit desc";
} else {
$sort_order = "expavg_credit desc";
}
$res=mysql_query("select * from host order by $sort_order limit $offset,".ITEMS_PER_PAGE);
echo mysql_error();
while ($arr[]=mysql_fetch_object($res)){};
return $arr;
}
function hosts_to_store($participants){ //These converter functions are here in case we later decide to use something
return serialize($participants); //else than serializing to save temp data
}
function store_to_hosts($data){
return unserialize($data);
}
if (isset($_GET["sort_by"])) {
$sort_by = $_GET["sort_by"];
} else {
$sort_by = "expavg_credit";
}
$offset = get_int("offset", true);
if (!$offset) $offset=0;
if ($offset % ITEMS_PER_PAGE) $offset = 0;
if ($offset < ITEM_LIMIT) {
$cache_args = "sort_by=$sort_by&offset=$offset";
db_init(true);
$cacheddata=get_cached_data(TOP_PAGES_TTL,$cache_args);
if ($cacheddata){ //If we have got the data in cache
$data = store_to_hosts($cacheddata); // use the cached data
} else { //if not do queries etc to generate new data
$data = get_top_hosts($offset,$sort_by);
set_cache_data(hosts_to_store($data),$cache_args); //save data in cache
};
} else {
error_page("Limit exceeded - Sorry, first ".ITEM_LIMIT." items only");
}
//Now display what we've got (either gotten from cache or from DB)
page_head(tr(TOP_HOST_TITLE));
top_host_table_start($sort_by);
$i = 1 + $offset;
$o = 0;
while ($host = $data[$o]) {
show_host_row($host, $i, false, true);
$i++;
$o++;
}
echo "</table>\n<p>";
if ($offset > 0) {
$new_offset = $offset - ITEMS_PER_PAGE;
echo "<a href=top_hosts.php?sort_by=$sort_by&offset=$new_offset>Previous ".ITEMS_PER_PAGE."</a> | ";
}
if ($o==ITEMS_PER_PAGE){ //If we aren't on the last page
$new_offset = $offset + ITEMS_PER_PAGE;
echo "<a href=top_hosts.php?sort_by=$sort_by&offset=$new_offset>Next ".ITEMS_PER_PAGE."</a>";
}
page_tail();
?>