ChestShop-3/src/main/java/com/Acrobot/ChestShop/Listeners/PreShopCreation/MoneyChecker.java

package com.Acrobot.ChestShop.Listeners.PreShopCreation;

import com.Acrobot.ChestShop.ChestShop;
import com.Acrobot.ChestShop.Configuration.Properties;
import com.Acrobot.ChestShop.Events.Economy.CurrencyCheckEvent;
import com.Acrobot.ChestShop.Events.PreShopCreationEvent;
import com.Acrobot.ChestShop.Permission;
import com.Acrobot.ChestShop.Signs.ChestShopSign;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;

import java.math.BigDecimal;

import static com.Acrobot.ChestShop.Events.PreShopCreationEvent.CreationOutcome.NOT_ENOUGH_MONEY;
import static com.Acrobot.ChestShop.Permission.NOFEE;
import static com.Acrobot.ChestShop.Signs.ChestShopSign.NAME_LINE;

/**
 * @author Acrobot
 */
public class MoneyChecker implements Listener {

    @EventHandler
    public static void onPreShopCreation(PreShopCreationEvent event) {
        BigDecimal shopCreationPrice = Properties.SHOP_CREATION_PRICE;

        if (shopCreationPrice.compareTo(BigDecimal.ZERO) == 0) {
            return;
        }

        if (ChestShopSign.isAdminShop(event.getSignLine(NAME_LINE))) {
            return;
        }

        Player player = event.getPlayer();

        if (Permission.has(player, NOFEE)) {
            return;
        }

        CurrencyCheckEvent currencyCheckEvent = new CurrencyCheckEvent(shopCreationPrice, player);
        ChestShop.callEvent(currencyCheckEvent);

        if (!currencyCheckEvent.hasEnough()) {
            event.setOutcome(NOT_ENOUGH_MONEY);
        }
    }
}