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apisoldiers.php
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apisoldiers.php
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<?php
# https://github.com/jakesankey/PHP-RestServer-Class/blob/master/RestServer.php
require_once('RestServer.php');
/**
* Class WFS_Soldiers
*
* contains methods pickup & place
*
*/
class WFS_Soldiers
{
/**
* method to allow the venue's controlling user to pickup the soldier.
*
* @param $id string unique foursquare venue id
* @param $username string unique warfoursquare username
*
* @return array
*
* @TODO try catch around mongodb operations
*
*/
public function pickup($id, $username)
{
$venues_db = $users = null;
require_once('mongo_setup_venues_and_users.php');
# determine if our user is the mayor of location supplied by $id
$is_mayor_query = $venues_db->findOne(array('mayor' => $username, 'id' => $id));
# short circuit
if(is_null($is_mayor_query))
{
return array('response' => 'fail', 'reason' => 'user not mayor');
}
$soldiers_available = (int) $is_mayor_query['soldiers'];
if ($soldiers_available > 0)
{
# first add to user
$users->update(array('username' => $username),
array('$inc' => array('soldiers' => $soldiers_available)));
# remove from venue (sets field to zero
# TODO determine if soldier related timestamps need altering
$venues_db->update(array('id' => $id),
array('$set' => array('soldiers' => 0,
'soldiers_removed_on' => date('U'))));
}
else
{
return array('response' => 'fail', 'reason' => 'no soldiers');
}
# TODO return stats . . .
return array('response' => 'ok');
}
/**
* Method that allows a venue's controlling user to place defending soldiers
*
* @param $id string unique foursquare venue id
* @param $username string unique warfoursquare username
* @param $number string of an integer representing the number of soldiers to place
* @return array
*
* @TODO try / catch around mongodb operations
*/
public function place($id, $username, $number)
{
# setup & initialize mongodb connections
$venues_db = $users = null;
require_once('mongo_setup_venues_and_users.php');
# convert $number to an integer
$number = (int) $number;
# determine if our user is the mayor of location supplied by $id
$is_mayor_query = $venues_db->findOne(array('mayor' => $username, 'id' => $id));
if(is_null($is_mayor_query))
{
return array('response' => 'fail', 'reason' => 'user not mayor');
}
# prepare return array
$success_array = array('response' => 'ok');
# according to gdd maximum 10 dice / soldiers per venue
$max_placement = 10;
$user_query = $users->findOne(array('username' => $username));
if (is_null($user_query))
{
return array('response' => 'fail', 'reason' => 'invalid user');
}
# now we know the user is the mayor and that the user exists
# retrieve the number of soldiers already defending the location
# by definition, they will belong to this user and count towards the max
$soldiers_already_defending = $is_mayor_query['soldiers'];
$user_able_to_place = $max_placement - $soldiers_already_defending;
# retrieve the actual number of soldiers the user has available to them
$actual_number_of_soldiers = $user_query['soldiers'];
if($number > $actual_number_of_soldiers)
{
$success_array['placed'] = $actual_number_of_soldiers;
$number = $actual_number_of_soldiers;
# account for case where user wishes to deploy more than the max number allowed
if ($number > $user_able_to_place)
{
$success_array['placed'] = $user_able_to_place;
$number = $user_able_to_place;
}
}
# now place $number of soldiers at the location and remove -$number from the user
# mongo has no '$dec' operator...
$reduce_by = $number * (-1);
$users->update(array('username' => $username),
array('$inc' => array('soldiers' => $reduce_by)));
$venues_db->update(array('mayor' =>$username),
array('$inc' => array('defenders' => $number)));
$success_array['stats'] = array('usersoldiers' => $actual_number_of_soldiers - $number,
'venuesolders' => $soldiers_already_defending + $number);
return $success_array;
}
}
###################### MAIN
$rest = new RestServer();
$rest->addServiceClass('WFS_Soldiers');
$rest->handle();