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Staff is evenly spread across the list when shuffled. Fixes #1

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Mike Jaoudi 2013-06-04 20:14:32 -04:00
parent 011934600a
commit 3c440741e0
1 changed files with 59 additions and 13 deletions
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60
functions.php
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@ -26,18 +26,64 @@ function getHighestOrderNum() {
return $spooner['order_num']; return $spooner['order_num'];
} }
function getCamperIDs(){
$camper_ids = array();
$result = mysql_query("SELECT id FROM spooners WHERE spooned = 0 AND staff = 0 ORDER BY id");
while($spooner = mysql_fetch_array($result)) {
array_push($camper_ids, $spooner['id']);
}
return $camper_ids;
}
function getStaffIDs(){
$staff_ids = array();
$result = mysql_query("SELECT id FROM spooners WHERE spooned = 0 AND staff = 1 ORDER BY id");
while($spooner = mysql_fetch_array($result)) {
array_push($staff_ids, $spooner['id']);
}
return $staff_ids;
}
function shuffleSpooners() { function shuffleSpooners() {
$random_array = range(0, getNumActiveSpooners() - 1); // create array containing numbers 0 to # of spooners remaining - 1, inclusive $camper_ids = getCamperIDs();
$staff_ids = getStaffIDs();
shuffle($camper_ids);
shuffle($staff_ids);
//An array to put the ids for the new shuffled list
$random_ids = array();
//Determine the number of campers between each staff
$spacing = round(count($camper_ids)/count($staff_ids))+1;
while(count($random_ids) < getNumActiveSpooners()){
echo "oh no";
for($i = 0; $i < $spacing-1; $i++){
array_push($random_ids, array_pop($camper_ids));
}
array_push($random_ids, array_pop($staff_ids));
//This shouldn't happen but it is here just in case
if(count($staff_ids) == 0){
while(count($camper_ids) > 0){
array_push($random_ids, array_pop($camper_ids));
}
}
else{
//Recalculate the spacing each round to end up with a more even spacing over the entire list.
$spacing = round(count($camper_ids)/count($staff_ids))+1;
}
}
shuffle($random_array); // shuffle said array
// update order of spooners based on array
$result = mysql_query("SELECT id FROM spooners WHERE spooned = 0 ORDER BY id"); $result = mysql_query("SELECT id FROM spooners WHERE spooned = 0 ORDER BY id");
$i = 0; for ($i=0; $spooner = mysql_fetch_array($result); $i++) {
while($spooner = mysql_fetch_array($result)) { mysql_query("UPDATE spooners SET order_num = " . $i . " WHERE id = " . $random_ids[$i]);
mysql_query("UPDATE spooners SET order_num = " . $random_array[$i] . " WHERE id = " . $spooner['id']);
$i++;
} }
} }