\n";
}
}
// return the last UOTD profile, or null
//
function get_current_uotd() {
$result = mysql_query("SELECT * FROM profile ORDER BY uotd_time DESC LIMIT 1");
$p = null;
if (mysql_num_rows($result) > 0) {
$p = mysql_fetch_object($result);
}
mysql_free_result($result);
return $p;
}
// Select a (possibly new) UOTD
//
function select_uotd() {
echo date("F d Y", time()).": Starting\n";
$current_uotd = get_current_uotd();
if ($current_uotd) {
$assigned = getdate($current_uotd->uotd_time);
$now = getdate(time());
if ($assigned['mday'] == $now['mday']) {
$user = lookup_user_id($current_uotd->userid);
echo "Already have UOTD for today\n";
generate_uotd_gadget($current_uotd, $user);
exit();
}
}
// get a list of profiles that have been 'approved' for UOTD,
// using a project-specific query if supplied in project.inc
//
if (function_exists('uotd_candidates_query')) {
$query = uotd_candidates_query();
} else {
$query = default_uotd_candidates_query();
}
$result = mysql_query($query);
// If the number of approved profiles dips below a threshold,
// email the sys admin every time we pick a new one.
//
if ($result && mysql_num_rows($result) < UOTD_THRESHOLD) {
mail(UOTD_ADMIN_EMAIL,
PROJECT . ": User of the Day pool is running low!",
"The pool of approved candidates for User of the Day has".
" reached your assigned threshold: there are now only " . mysql_num_rows($result) . " approved users.\n\n".
"To approve more candidates for User of the Day,".
" go to the " . PROJECT . " administration page and click \"Unrated profile\""
);
}
if ($result && mysql_num_rows($result) == 0) {
// If all verified profiles have been selected as UOTD,
// reshow the one that was shown least recently.
//
$result = mysql_query("SELECT * FROM profile,user WHERE profile.userid=user.id AND verification=1 ORDER BY uotd_time ASC LIMIT 1");
}
if (!$result || mysql_num_rows($result) == 0) {
// No valid users of the day - do something.
echo "No screened users found\n";
exit();
}
$profile = mysql_fetch_object($result);
$user = lookup_user_id($profile->userid);
$sql = "UPDATE profile SET uotd_time = ".time()." WHERE userid=$user->id";
mysql_query($sql);
mail($user->email_addr,
"You're the " . PROJECT . " user of the day!",
"Congratulations!\n\nYou've been chosen as the "
. PROJECT . " user of the day!
Your profile will be featured on the " . PROJECT . " website for the next 24 hours."
);
echo "Chose user $user->id as UOTD\n";
$profile->uotd_time = time();
generate_uotd_gadget($profile, $user);
}
// This is the default policy for choosing the UOTD on any BOINC project.
// To override this with your own policy, create a similar function in
// your own project.inc called uotd_candidates_query()
function default_uotd_candidates_query(){
if (profile_screening()) {
$query = "SELECT * FROM profile,user WHERE profile.userid=user.id ";
$query .= " AND verification=1 ";
$query .= " AND expavg_credit>1 ";
$query .= " AND uotd_time IS NULL ";
$query .= "ORDER BY RAND()";
} else {
$query = "SELECT * FROM profile,user WHERE profile.userid=user.id ";
$query .= " AND verification=1 ";
$query .= " AND uotd_time IS NULL ";
$query .= "ORDER BY RAND()";
}
return $query;
}
// get a list of profiles that have been 'approved' for UOTD,
// using a project-specific query if supplied in project.inc
//
function count_uotd_candidates(){
$n = -1; // negative value returned on error
if (function_exists('uotd_candidates_query')) {
$query = uotd_candidates_query();
} else {
$query = default_uotd_candidates_query();
}
$result = mysql_query($query);
if($result) {
$n = mysql_num_rows($result);
}
mysql_free_result($result);
return $n;
}
// iGoogle gadget - generate the gadget content page
//
function generate_uotd_gadget($profile, $user) {
$x = "\n";
$gadget = PROFILE_PATH."uotd_gadget.html";
if( $h = fopen($gadget, "w") ){
$age = time()-$profile->uotd_time;
echo "age: $age";
if($age <= 86400+3600) { // allow for slop
$x .= uotd_thumbnail($profile, $user);
$x .= user_links($user);
$x .= " ".
sub_sentence(strip_tags(output_transform($profile->response1)), ' ',
250, true);
}
else {
$x .= "
There is no User of the Day today.
Only volunteers who have created a Profile
(with a picture), and have recent credit,
are eligible to be chosen as User of the Day.
We have run out of these, so there isn't a
User of the Day.
";
}
$x .= "\n\n";
fwrite($h, $x);
fclose($h);
}
}
?>