/// <summary>
/// Initialises from a given context.
/// </summary>
/// <param name="context">Context.</param>
public void InitialiseFrom(LoanContext context)
{
LoanStartDateField.text = context.StartDate.ToShortDateString ();
if(context.TargetEndDate != DateTime.MinValue) LoanTargetEndDateField.text = context.TargetEndDate.ToShortDateString ();
LoanBalanceField.text = context.Balance.ToString ();
LoanInterestRateField.text = context.InterestRate.ToString ();
LoanMinRepaymentDayField.text = context.MinRepaymentDay.ToString ();
LoanMinRepaymentAmountField.text = context.MinRepaymentAmount.ToString ();
LoanExtraRepaymentDayField.text = context.ExtraRepaymentDay.ToString ();
LoanExtraRepaymentAmountField.text = context.ExtraRepaymentAmount.ToString ();
navigator.Initialise ();
}
/// <summary>
/// Awake this instance.
/// </summary>
private void Awake()
{
CultureInfo enAU = new System.Globalization.CultureInfo ("en-AU");
Thread.CurrentThread.CurrentCulture = enAU;
Thread.CurrentThread.CurrentUICulture = enAU;
defaultState = BuildDefaultLoanContext ();
applicationSaveStateLock = new object ();
applicationLoadStateLock = new object ();
InputPanelController.BuildRequested += HandleBuildRequested;
TowerBuilder.ClearTower ();
InputPanelController.ShowInputPanel ();
TryLoadSavedState ();
}
/// <summary>
/// Builds the default loan context.
/// </summary>
/// <returns>The default loan context.</returns>
private LoanContext BuildDefaultLoanContext()
{
LoanContext result = new LoanContext ();
result.Balance = 200000.00d;
result.ExtraRepaymentAmount = 1000.00d;
result.ExtraRepaymentDay = 18;
result.InterestRate = 5.50d;
result.MinRepaymentAmount = 1500.00d;
result.MinRepaymentDay = 1;
result.StartDate = DateTime.Now;
result.TargetEndDate = DateTime.Now.AddYears (8);
result.TodaysDate = DateTime.Now;
return(result);
}
/// <summary>
/// Validates the loan target end date.
/// </summary>
/// <param name="context">Context.</param>
/// <param name="validationResults">Validation results.</param>
private void ValidateLoanTargetEndDate(LoanContext context, List<bool> validationResults)
{
DateTime loanTargetEnd = DateTime.MinValue;
bool valid = true;
// allow this field to be empty
if (!string.IsNullOrEmpty (LoanTargetEndDateField.text)) {
DateTime.TryParseExact (LoanTargetEndDateField.text, Constants.DateFormatsForParsing, CultureInfo.CurrentCulture, DateTimeStyles.AllowWhiteSpaces | DateTimeStyles.AssumeLocal, out loanTargetEnd);
}
ProcessFieldValidationColor (valid, LoanTargetEndDateField);
context.TargetEndDate = loanTargetEnd;
validationResults.Add (valid);
}
/// <summary>
/// Validates the loan start date.
/// </summary>
/// <param name="context">Context.</param>
/// <param name="validationResults">Validation results.</param>
private void ValidateLoanStartDate(LoanContext context, List<bool> validationResults)
{
DateTime loanStart = DateTime.Now;
bool valid = DateTime.TryParseExact (LoanStartDateField.text, Constants.DateFormatsForParsing, CultureInfo.CurrentCulture, DateTimeStyles.AllowWhiteSpaces | DateTimeStyles.AssumeLocal, out loanStart);
ProcessFieldValidationColor (valid, LoanStartDateField);
context.StartDate = loanStart;
validationResults.Add (valid);
}
/// <summary>
/// Validates the loan minimum repayment day.
/// </summary>
/// <param name="context">Context.</param>
/// <param name="validationResults">Validation results.</param>
private void ValidateLoanMinRepaymentDay(LoanContext context, List<bool> validationResults)
{
int minRepaymentDay = 1;
bool valid = int.TryParse (LoanMinRepaymentDayField.text, NumberStyles.Integer, CultureInfo.CurrentCulture, out minRepaymentDay);
valid = valid && minRepaymentDay >= 1 && minRepaymentDay <= 31;
ProcessFieldValidationColor (valid, LoanMinRepaymentDayField);
context.MinRepaymentDay = minRepaymentDay;
validationResults.Add (valid);
}
/// <summary>
/// Validates the loan minimum repayment amount.
/// </summary>
/// <param name="context">Context.</param>
/// <param name="validationResults">Validation results.</param>
private void ValidateLoanMinRepaymentAmount(LoanContext context, List<bool> validationResults)
{
double minRepaymentAmount = 0.0d;
bool valid = double.TryParse (LoanMinRepaymentAmountField.text, NumberStyles.AllowCurrencySymbol | NumberStyles.AllowDecimalPoint | NumberStyles.AllowThousands | NumberStyles.AllowLeadingWhite | NumberStyles.AllowTrailingWhite, CultureInfo.CurrentCulture, out minRepaymentAmount);
valid = valid && minRepaymentAmount > 0;
ProcessFieldValidationColor (valid, LoanMinRepaymentAmountField);
context.MinRepaymentAmount = minRepaymentAmount;
validationResults.Add (valid);
}
/// <summary>
/// Validates the loan interest rate.
/// </summary>
/// <param name="context">Context.</param>
/// <param name="validationResults">Validation results.</param>
private void ValidateLoanInterestRate(LoanContext context, List<bool> validationResults)
{
double interestRate = 0.0d;
bool valid = double.TryParse (LoanInterestRateField.text, NumberStyles.AllowDecimalPoint | NumberStyles.AllowLeadingWhite | NumberStyles.AllowTrailingWhite, CultureInfo.CurrentCulture, out interestRate);
ProcessFieldValidationColor (valid, LoanInterestRateField);
context.InterestRate = interestRate;
validationResults.Add (valid);
}
/// <summary>
/// Validates the loan extra repayment day.
/// </summary>
/// <param name="context">Context.</param>
/// <param name="validationResults">Validation results.</param>
private void ValidateLoanExtraRepaymentDay(LoanContext context, List<bool> validationResults)
{
int extraRepaymentDay = 1;
bool valid = true;
if (!string.IsNullOrEmpty (LoanExtraRepaymentDayField.text)) {
int.TryParse (LoanExtraRepaymentDayField.text, NumberStyles.Integer, CultureInfo.CurrentCulture, out extraRepaymentDay);
valid = valid && extraRepaymentDay >= 1 && extraRepaymentDay <= 31;
}
ProcessFieldValidationColor (valid, LoanExtraRepaymentDayField);
context.ExtraRepaymentDay = extraRepaymentDay;
validationResults.Add (valid);
}
/// <summary>
/// Tries to save the state.
/// </summary>
private void TrySaveState(LoanContext state)
{
lock (applicationSaveStateLock) {
try {
string savegameFilename = Path.Combine (Application.persistentDataPath, SaveStateFilename);
SavedState saveState = new SavedState ();
saveState.SavedDate = DateTime.Now;
saveState.Context = state;
BinaryFormatter formatter = new BinaryFormatter ();
using (FileStream fs = File.Open (savegameFilename, FileMode.OpenOrCreate)) {
fs.SetLength (0);
formatter.Serialize (fs, saveState);
fs.Close ();
}
} catch (Exception ex) {
MessagePanelController.SetMessage (string.Format ("Failed to save state: {0}", ex.Message));
MessagePanelController.ShowMessagePanel ();
}
}
}
/// <summary>
/// Validates the loan balance.
/// </summary>
/// <param name="context">Context.</param>
/// <param name="validationResults">Validation results.</param>
private void ValidateLoanBalance(LoanContext context, List<bool> validationResults)
{
double balance = 0.0d;
bool valid = double.TryParse (LoanBalanceField.text, NumberStyles.AllowCurrencySymbol | NumberStyles.AllowDecimalPoint | NumberStyles.AllowThousands | NumberStyles.AllowLeadingWhite | NumberStyles.AllowTrailingWhite, CultureInfo.CurrentCulture, out balance);
ProcessFieldValidationColor (valid, LoanBalanceField);
context.Balance = balance;
validationResults.Add (valid);
}
/// <summary>
/// Validates the input.
/// </summary>
/// <returns><c>true</c>, if input was validated, <c>false</c> otherwise.</returns>
/// <param name="context">Context.</param>
private bool ValidateInput(out LoanContext context)
{
List<bool> results = new List<bool> ();
context = new LoanContext ();
ValidateLoanStartDate (context, results);
ValidateLoanTargetEndDate (context, results);
ValidateLoanBalance (context, results);
ValidateLoanInterestRate (context, results);
ValidateLoanMinRepaymentDay (context, results);
ValidateLoanMinRepaymentAmount (context, results);
ValidateLoanExtraRepaymentDay (context, results);
ValidateLoanExtraRepaymentAmount (context, results);
context.TodaysDate = DateTime.Now;
return(results.All (x => x));
}
/// <summary>
/// Initializes a new instance of the <see cref="LoanCalculator"/> class.
/// </summary>
/// <param name="context">The context.</param>
public LoanCalculator(LoanContext context)
{
this.context = context;
}
/// <summary>
/// Builds the sign text for a tower level.
/// </summary>
/// <param name="context">Context.</param>
/// <param name="currentLevel">Current level.</param>
/// <param name="year">Year.</param>
/// <param name="month">Month.</param>
/// <param name="groupedTransactions">Grouped transactions.</param>
/// <param name="lastTransaction">Last transaction.</param>
/// <param name="level">Level.</param>
private void BuildSignTextForTowerLevel(LoanContext context, int currentLevel, int year, int month, IEnumerable<LoanTransaction> groupedTransactions, LoanTransaction lastTransaction, GameObject level)
{
DateTime timePoint = new DateTime (year, month, 1);
string date = timePoint.ToString ("MMM yyyy");
string balance = lastTransaction.Balance.ToString ("c0");
WoodenSignController signController = level.transform.FindChild (Constants.CHILD_WOODEN_SIGN).GetComponent<WoodenSignController> ();
signController.SetMonthBalanceText (string.Format ("{0}\n{1}", date, balance));
string transactions = string.Empty;
foreach (LoanTransaction tx in groupedTransactions) {
transactions += ConvertTransactionType (tx.Type);
transactions += tx.Debit > 0 ? " -" : " +";
transactions += tx.Debit > 0 ? tx.Debit.ToString ("c0") : tx.Credit.ToString ("c0");
transactions += "\n";
}
signController.SetTransactionsText (transactions);
if (context.TargetEndDate.Year == year && context.TargetEndDate.Month == month) {
signController.ChangMaterial (RedWoodenSignMaterial);
} else {
signController.ResetMaterial();
}
}
/// <summary>
/// Validates the loan extra repayment amount.
/// </summary>
/// <param name="context">Context.</param>
/// <param name="validationResults">Validation results.</param>
private void ValidateLoanExtraRepaymentAmount(LoanContext context, List<bool> validationResults)
{
double extraRepaymentAmount = 0.0d;
bool valid = true;
if (!string.IsNullOrEmpty (LoanExtraRepaymentAmountField.text)) {
valid = double.TryParse (LoanExtraRepaymentAmountField.text, NumberStyles.AllowCurrencySymbol | NumberStyles.AllowDecimalPoint | NumberStyles.AllowThousands | NumberStyles.AllowLeadingWhite | NumberStyles.AllowTrailingWhite, CultureInfo.CurrentCulture, out extraRepaymentAmount);
valid = valid && extraRepaymentAmount > 0;
if (string.IsNullOrEmpty (LoanExtraRepaymentDayField.text)) {
ProcessFieldValidationColor (false, LoanExtraRepaymentDayField);
valid = false;
}
}
ProcessFieldValidationColor (valid, LoanExtraRepaymentAmountField);
context.ExtraRepaymentAmount = extraRepaymentAmount;
validationResults.Add (valid);
}
/// <summary>
/// Initializes a new instance of the <see cref="LoanCalculationOutputStreamWriter"/> class.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="output">The output.</param>
public LoanCalculationOutputStreamWriter(LoanContext context, LoanCalculationOutput output)
{
this.context = context;
this.output = output;
}
/// <summary>
/// Handles the build requested.
/// </summary>
/// <param name="context">Context.</param>
private void HandleBuildRequested(LoanContext context)
{
DebugText.text = string.Empty;
TrySaveState (context);
LoanCalculator calculator = new LoanCalculator (context);
LoanCalculationOutput output = null;
output = calculator.Calculate ();
if (output.Failure) {
Debug.LogError (output.FailureMessage);
InputPanelController.SetErrorText(output.FailureMessage);
return;
}
var groupedByMonthYear = output.Transactions.GroupBy (x => new { Month = x.Date.Month, Year = x.Date.Year });
int towerLevels = groupedByMonthYear.Count ();
List<GameObject> levels = TowerBuilder.BuildTower (towerLevels);
int currentLevel = 0;
foreach (var group in groupedByMonthYear) {
int year = group.Key.Year;
int month = group.Key.Month;
IEnumerable<LoanTransaction> groupedTransactions = group.ToList ();
LoanTransaction lastTransaction = group.Last ();
BuildSignTextForTowerLevel (context, currentLevel, year, month, groupedTransactions, lastTransaction, levels [currentLevel]);
currentLevel++;
}
CameraController.MaxY = levels.Last ().transform.position.y - 5;
InputPanelController.HideInputPanel ();
DebugText.text = string.Format ("Tower Levels: {0} / Total Interest: {1} / Loan Ends: {2}", towerLevels, output.TotalInterestPaid.ToString ("c"), output.LoanEndsDate.ToShortDateString ());
}
