reallife-gamemode/ReallifeGamemode.Server/Managers/BankManager.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using GTANetworkAPI;
using ReallifeGamemode.Server.Business;
using ReallifeGamemode.Server.Extensions;
using ReallifeGamemode.Server.Util;
using ReallifeGamemode.Database;
using ReallifeGamemode.Database.Models;
using ReallifeGamemode.Database.Entities.Logs;

/**
* @overview Life of German Reallife - Managers BankManager (BankManager.cs)
* @author VegaZ
* @copyright (c) 2008 - 2018 Life of German
*/

namespace ReallifeGamemode.Server.Managers
{
  public class BankManager
  {
    public static TransactionResult SetMoney(Player admin, IBankAccountOwner owner, int amount, string reason = "Von Admin gesetzt")
    {
      using (var transferMoney = new DatabaseContext())
      {
        if (amount < 0) return TransactionResult.NEGATIVE_MONEY_SENT;

        IBankAccount account = owner.GetBankAccount(transferMoney);

        if (account == null) return TransactionResult.RECEIVER_NO_BANKACCOUNT;

        var transactionLog = new BankAccountTransactionHistory
        {
          Sender = "ADMIN: " + admin.Name,
          SenderBalance = 0,
          Receiver = owner.Name,
          ReceiverBalance = amount,
          NewReceiverBalance = amount,
          NewSenderBalance = 0,
          MoneySent = amount,
          Fee = 0,
          Origin = reason
        };

        // add log
        transferMoney.BankAccountTransactionLogs.Add(transactionLog);

        account.Balance = amount;

        transferMoney.SaveChanges();

        return TransactionResult.SUCCESS;
      }
    }

    public static TransactionResult TransferMoney(IBankAccountOwner sender, IBankAccountOwner receiver, int amount, string origin)
    {
      using (var transferMoney = new DatabaseContext())
      {
        if (amount < 0) return TransactionResult.NEGATIVE_MONEY_SENT;

        IBankAccount senderAccount = sender.GetBankAccount(transferMoney);
        IBankAccount receiverAccount = receiver.GetBankAccount(transferMoney);

        if (senderAccount == null) return TransactionResult.SENDER_NO_BANKACCOUNT;
        if (receiverAccount == null) return TransactionResult.RECEIVER_NO_BANKACCOUNT;

        if (senderAccount.Balance < amount) return TransactionResult.SENDER_NOT_ENOUGH_MONEY;

        var transactionLog = new BankAccountTransactionHistory
        {
          Sender = sender.Name,
          SenderBalance = senderAccount.Balance,
          Receiver = receiver.Name,
          ReceiverBalance = receiverAccount.Balance,
          NewReceiverBalance = receiverAccount.Balance + amount,
          NewSenderBalance = senderAccount.Balance - amount,
          MoneySent = amount,
          Fee = 0,
          Origin = origin
        };

        // add log
        transferMoney.BankAccountTransactionLogs.Add(transactionLog);

        senderAccount.Balance -= amount;
        receiverAccount.Balance += amount;

        transferMoney.SaveChanges();

        return TransactionResult.SUCCESS;
      }
    }
  }
}