nagoya php 12 #nagoyaphp

bus.php

<?php

/**
 * Class Bus
 *
 * バス代と、人数から、料金を計算する
 *
 * メインの処理は、
 *   乗客種別ごとの料金
 *   無料になる乗客の処理
 *   計算
 *
 */
class Bus {
    protected $base_fee = 0 ;
    protected $passenger_type = array('An','Ap','Aw','Cn','Cp','Cw','In','Ip','Iw') ;
    protected $passengers;
    protected $paid_passengers;
    protected $passengers_fee;
    protected $total_fee = 0;

    public function __construct() {
        foreach($this->passenger_type as $key) {
            $this->passengers[$key] = 0;
            $this->paid_passengers[$key] = 0;
            $this->passengers[$fee] = 0;
        }
    }
    public function setFee($fee) {
        // 10円単位かどうかのチェックは省略

        $this->base_fee = intval($fee);
    }

    public function setPassengers(array $passengers) {
        foreach($this->passenger_type as $key) {
            if (array_key_exists($key, $passengers)) {
            $this->passengers[$key] = $passengers[$key];
            }
        }
    }

    // メインの計算ロジック
    protected function cal() {
        $this->setPassengersFee();
        $this->setPaidPassengers();
        $this->calTotalFee();
    }

    protected function setPaidPassengers() {
        $this->paid_passengers = $this->passengers;

        // 大人1人につき2人まで幼児を無料にする
        $free_infant = 2 * ($this->passengers['An'] + $this->passengers['Ap'] + $this->passengers['Aw']);
        $this->paid_passengers['In'] = max(0, $this->passengers['In'] - $free_infant);

        // 幼児を無料にした後、まだ無料枠があれば、幼児福祉を無料にする
        $free_infant_available = max(0, $free_infant - $this->passengers['In']);
        $this->paid_passengers['Iw'] = max(0, $this->passengers['Iw'] - $free_infant_available);
    }

    protected function setPassengersFee() {
        $this->passengers_fee['An'] = $this->base_fee;
        $this->passengers_fee['Ap'] = 0;
        $this->passengers_fee['Aw'] = $this->getHalfFee($this->base_fee);
        $this->passengers_fee['Cn'] = $this->getHalfFee($this->base_fee);
        $this->passengers_fee['Cp'] = 0;
        $this->passengers_fee['Cw'] = $this->getHalfFee($this->passengers_fee['Cn']);
        $this->passengers_fee['In'] = $this->getHalfFee($this->base_fee);
        $this->passengers_fee['Ip'] = 0;
        $this->passengers_fee['Iw'] = $this->getHalfFee($this->passengers_fee['In']);
    }

    protected function getHalfFee($val) {
        $half = $val / 2 ;
        $half_ceil = ceil($half / 10) * 10;
        return $half_ceil;
    }

    protected function calTotalFee() {
        // 乗客の種類ごとに、料金 x 人数
        foreach($this->passenger_type as $key) {
            $this->total_fee += $this->passengers_fee[$key] * $this->paid_passengers[$key];
        }
    }

    public function getTotalFee() {
        $this->cal();
        return $this->total_fee;
    }
}

passengers.php

<?php
include('bus.php');

/**
 *  nagoya php 12 のプログラミング課題
 *
 *  問題は
 *  http://nabetani.sakura.ne.jp/hena/ord9busfare/
 *
 * 方針
 * 料金はバスが決めることなので、Bus クラスで処理
 * 乗車人数を管理する Passengers クラスで、まず人数を集計する
 *
 *
 */
class Passengers {
    protected $members = array();

    public function addMember($member) {
        $this->members[$member] += 1;
    }
    public function getMembers() {
        return $this->members;
    }
}

//  入出力管理用

function cal($input) {
    $data = explode(':', $input);
    $memberlist = explode(',',$data[1]);

    $passengers = new Passengers();
    foreach ($memberlist as $member) {
        $passengers->addMember($member);
    }
    $bus = new Bus;
    $bus->setFee($data[0]);
    $bus->setPassengers($passengers->getMembers());
    return $bus->getTotalFee();
}

function test($input, $expected){
    $result = cal($input);
    if($result == $expected)
    {
        echo "OK";
    } else {
        echo "NG";
    }
}


// テスト実行

/*0*/ test( "210:Cn,In,Iw,Ap,Iw", "170" );
/*1*/ test( "220:Cp,In", "110" );
/*2*/ test( "230:Cw,In,Iw", "240" );
/*3*/ test( "240:In,An,In", "240" );
/*4*/ test( "250:In,In,Aw,In", "260" );
/*5*/ test( "260:In,In,In,In,Ap", "260" );
/*6*/ test( "270:In,An,In,In,Ip", "410" );
/*7*/ test( "280:Aw,In,Iw,In", "210" );
/*8*/ test( "200:An", "200" );
/*9*/ test( "210:Iw", "60" );
/*10*/ test( "220:Ap", "0" );
/*11*/ test( "230:Cp", "0" );
/*12*/ test( "240:Cw", "60" );
/*13*/ test( "250:In", "130" );
/*14*/ test( "260:Cn", "130" );
/*15*/ test( "270:Ip", "0" );
/*16*/ test( "280:Aw", "140" );
/*17*/ test( "1480:In,An,In,In,In,Iw,Cp,Cw,In,Aw,In,In,Iw,Cn,Aw,Iw", "5920" );
/*18*/ test( "630:Aw,Cw,Iw,An,An", "1740" );
/*19*/ test( "340:Cn,Cn,Ip,Ap", "340" );
/*20*/ test( "240:Iw,Ap,In,Iw,Aw", "120" );
/*21*/ test( "800:Cw,An,Cn,Aw,Ap", "1800" );
/*22*/ test( "1210:An,Ip,In,Iw,An,Iw,Iw,An,Iw,Iw", "3630" );
/*23*/ test( "530:An,Cw,Cw", "810" );
/*24*/ test( "170:Aw,Iw,Ip", "90" );
/*25*/ test( "150:In,Ip,Ip,Iw,In,Iw,Iw,In,An,Iw,Aw,Cw,Iw,Cw,An,Cp,Iw", "580" );
/*26*/ test( "420:Cn,Cw,Cp", "320" );
/*27*/ test( "690:Cw,In,An,Cp,Cn,In", "1220" );
/*28*/ test( "590:Iw,Iw,Cn,Iw,Aw,In,In,Ip,Iw,Ip,Aw", "1200" );
/*29*/ test( "790:Cw,Cn,Cn", "1000" );
/*30*/ test( "1220:In,In,An,An,In,Iw,Iw,In,In,Ip,In,An,Iw", "4590" );
/*31*/ test( "570:Cw,Cn,Cp", "440" );
/*32*/ test( "310:Cn,Cw,An,An,Iw,Cp,Cw,Cn,Iw", "1100" );
/*33*/ test( "910:Aw,In,Iw,Iw,Iw,Iw,Iw,An,Cw,In", "2290" );
/*34*/ test( "460:Iw,Cw,Cw,Cn", "590" );
/*35*/ test( "240:Iw,Iw,In,Iw,In,In,Cn,In,An", "780" );
/*36*/ test( "1240:In,In,In,Ap,In,Cw,Iw,Iw,Iw,Aw,Cw", "2170" );
/*37*/ test( "1000:Iw,Ip,In,An,In,In,In,An,In,Iw,In,In,Iw,In,Iw,Iw,Iw,An", "5500" );
/*38*/ test( "180:In,Aw,Ip,Iw,In,Aw,In,Iw,Iw,In", "330" );
/*39*/ test( "440:In,Ip,Cp,Aw,Iw,In,An", "660" );
/*40*/ test( "1270:Ap,In,An,Ip,In,Ip,Ip", "1270" );