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Initial C# version of Weekday

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roygilliam
2022-01-30 12:44:24 -05:00
parent 8c66ff3266
commit 7cea1454bf
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95_Weekday/csharp/Program.cs Normal file
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using System.Text;
namespace Weekday
{
class Weekday
{
private void DisplayIntro()
{
Console.WriteLine("");
Console.WriteLine("SYNONYM".PadLeft(23));
Console.WriteLine("CREATIVE COMPUTING MORRISTOWN, NEW JERSEY");
Console.WriteLine("");
Console.WriteLine("Weekday is a computer demonstration that");
Console.WriteLine("gives facts about a date of interest to you.");
Console.WriteLine("");
}
private bool ValidateDate(string InputDate, out DateTime ReturnDate)
{
// The expectation is that the input is in the format D,M,Y
// but any valid date format (other than with commas) will work
string DateString = InputDate.Replace(",", "/");
return (DateTime.TryParse(DateString, out ReturnDate));
}
private DateTime PromptForADate(string Prompt)
{
bool Success = false;
string LineInput = String.Empty;
DateTime TodaysDate = DateTime.MinValue;
// Get the date for input and validate it
while (!Success)
{
Console.Write(Prompt);
LineInput = Console.ReadLine().Trim().ToLower();
Success = ValidateDate(LineInput, out TodaysDate);
if (!Success)
{
Console.WriteLine("*** Invalid date. Please try again.");
Console.WriteLine("");
}
}
return TodaysDate;
}
private void CalculateDateDiff(DateTime TodaysDate, DateTime BirthDate, Double Factor, out int AgeInYears, out int AgeInMonths, out int AgeInDays)
{
// leveraged Stack Overflow answer: https://stackoverflow.com/a/3055445
// Convert to number of days since Birth Date, multiple by factor then store as new FactorDate
TimeSpan TimeDiff = TodaysDate.Subtract(BirthDate);
Double NumberOfDays = TimeDiff.Days * Factor;
DateTime FactorDate = BirthDate.AddDays(NumberOfDays);
// Compute difference between FactorDate (which is TodaysDate * Factor) and BirthDate
AgeInMonths = FactorDate.Month - BirthDate.Month;
AgeInYears = FactorDate.Year - BirthDate.Year;
if (FactorDate.Day < BirthDate.Day)
{
AgeInMonths--;
}
if (AgeInMonths < 0)
{
AgeInYears--;
AgeInMonths += 12;
}
AgeInDays = (FactorDate - BirthDate.AddMonths((AgeInYears * 12) + AgeInMonths)).Days;
}
private void WriteColumnOutput(string Message, int Years, int Months, int Days)
{
Console.WriteLine("{0,-25} {1,-10:N0} {2,-10:N0} {3,-10:N0}", Message, Years, Months, Days);
}
private void DisplayOutput(DateTime TodaysDate, DateTime BirthDate)
{
Console.WriteLine("");
// Not allowed to play if the current year is before 1582
if (TodaysDate.Year < 1582)
{
Console.WriteLine("Not prepared to give day of week prior to MDLXXXII.");
return;
}
// Share which day of the week the BirthDate was on
Console.Write(" {0} ", BirthDate.ToString("d"));
string DateVerb = "";
if (BirthDate.CompareTo(TodaysDate) < 0)
{
DateVerb = "was a ";
}
else if (BirthDate.CompareTo(TodaysDate) == 0)
{
DateVerb = "is a ";
}
else
{
DateVerb = "will be a ";
}
Console.Write("{0}", DateVerb);
// Special warning if their birth date was on a Friday the 13th!
if (BirthDate.DayOfWeek.ToString().Equals("Friday") && BirthDate.Day == 13)
{
Console.WriteLine("{0} the Thirteenth---BEWARE", BirthDate.DayOfWeek.ToString());
}
else
{
Console.WriteLine("{0}", BirthDate.DayOfWeek.ToString());
}
// If today's date is the same month & day as the birth date then wish them a happy birthday!
if (BirthDate.Month == TodaysDate.Month && BirthDate.Day == TodaysDate.Day)
{
Console.WriteLine("");
Console.Write("***Happy Birthday***");
}
Console.WriteLine("");
// Only show the date calculations if BirthDate is before TodaysDate
if (DateVerb.Trim().Equals("was a"))
{
Console.WriteLine("{0,-24} {1,-10} {2,-10} {3,-10}", " ", "Years", "Months", "Days");
int TheYears = 0, TheMonths = 0, TheDays = 0;
int FlexYears = 0, FlexMonths = 0, FlexDays = 0;
CalculateDateDiff(TodaysDate, BirthDate, 1, out TheYears, out TheMonths, out TheDays);
WriteColumnOutput("Your age if birthdate", TheYears, TheMonths, TheDays);
FlexYears = TheYears;
FlexMonths = TheMonths;
FlexDays = TheDays;
CalculateDateDiff(TodaysDate, BirthDate, .35, out FlexYears, out FlexMonths, out FlexDays);
WriteColumnOutput("You have slept", FlexYears, FlexMonths, FlexDays);
FlexYears = TheYears;
FlexMonths = TheMonths;
FlexDays = TheDays;
CalculateDateDiff(TodaysDate, BirthDate, .17, out FlexYears, out FlexMonths, out FlexDays);
WriteColumnOutput("You have eaten", FlexYears, FlexMonths, FlexDays);
FlexYears = TheYears;
FlexMonths = TheMonths;
FlexDays = TheDays;
CalculateDateDiff(TodaysDate, BirthDate, .23, out FlexYears, out FlexMonths, out FlexDays);
string FlexPhrase = "You have played";
if (TheYears > 3)
FlexPhrase = "You have played/studied";
if (TheYears > 9)
FlexPhrase = "You have worked/played";
WriteColumnOutput(FlexPhrase, FlexYears, FlexMonths, FlexDays);
FlexYears = TheYears;
FlexMonths = TheMonths;
FlexDays = TheDays;
CalculateDateDiff(TodaysDate, BirthDate, .25, out FlexYears, out FlexMonths, out FlexDays);
WriteColumnOutput("You have relaxed", FlexYears, FlexMonths, FlexDays);
Console.WriteLine("");
Console.WriteLine("* You may retire in {0} *".PadLeft(38), BirthDate.Year + 65);
}
}
public void PlayTheGame()
{
DateTime TodaysDate = DateTime.MinValue;
DateTime BirthDate = DateTime.MinValue;
DisplayIntro();
TodaysDate = PromptForADate("Enter today's date in the form: 3,24,1978 ? ");
BirthDate = PromptForADate("Enter day of birth (or other day of interest)? ");
DisplayOutput(TodaysDate, BirthDate);
}
}
class Program
{
static void Main(string[] args)
{
new Weekday().PlayTheGame();
}
}
}