/// <summary>
/// Defines the entry point of the application.
/// </summary>
/// <param name="args">The arguments.</param>
static void Main([NotNull][ItemNotNull] string [] args)
{
var programName = Process.GetCurrentProcess( ).ProcessName;
if (args.Length == 1)
{
var fileName = args [0];
var fileInfo = new FileInfo(fileName);
if (!fileInfo.Exists)
{
Console.WriteLine($"File '{fileInfo.FullName} does not exist");
}
var preferencesModel = new PreferencesModel( );
PreferencesHelpers.Load(preferencesModel, fileInfo);
var byGender = preferencesModel.ByGenderLastName( );
WriteRecords("By gender, then last name ascending", byGender);
var byBirthDate = preferencesModel.ByBirthDate( );
WriteRecords("By birth date", byBirthDate);
var byLastNameDescending = preferencesModel.ByLastNameDescending( );
WriteRecords("By last name descending", byLastNameDescending);
var byName = preferencesModel.ByName( );
WriteRecords("By name", byName);
}
else if (args.Length == 2)
{
if (!int.TryParse(args [1], out var recordsToGenerate))
{
throw new InvalidOperationException( );
}
var fileName = args [0];
var fileInfo = new FileInfo(fileName);
var format = fileInfo.Extension.ToUpperInvariant( );
if (fileInfo.Exists)
{
Console.WriteLine($"File '{fileInfo.FullName} already exists, you must remove it manually");
}
var randomRecords = PreferencesHelpers.GenerateRandomRecords(recordsToGenerate, new Random( ), 7);
using (var writer = new StreamWriter(fileInfo.FullName, false))
{
var delimiterChar = PreferencesHelpers.AssociatedDelimiter(fileInfo);
var delimiterString = delimiterChar.ToString( );
randomRecords.ForEach(r =>
{
var strings = new []
{
r.LastName,
r.FirstName,
r.Gender,
r.FavoriteColor,
r.DateOfBirth
}.ToList( );
var line = string.Join(delimiterString, strings);
writer.WriteLine(line);
});
}
}
else
{
WriteUsageInfo( );
}
}
public static void Test_that_ordering_is_correct( )
{
var randomProvider = new Random( );
var person1 = PreferencesHelpers.GenerateRandomRecord(randomProvider);
var person1A = new PersonColorPreferenceModel( ).PopulateFrom(person1);
person1A.LastName = "person1A";
var person2 = PreferencesHelpers.GenerateRandomRecord(randomProvider);
var person3 = PreferencesHelpers.GenerateRandomRecord(randomProvider);
var person3A = new PersonColorPreferenceModel( ).PopulateFrom(person3);
person3A.LastName = "person3A";
var newRecords = new List <PersonColorPreferenceModel>
{
person1,
PreferencesHelpers.GenerateRandomRecord(randomProvider),
person1,
PreferencesHelpers.GenerateRandomRecord(randomProvider),
person2,
PreferencesHelpers.GenerateRandomRecord(randomProvider),
person2,
PreferencesHelpers.GenerateRandomRecord(randomProvider),
PreferencesHelpers.GenerateRandomRecord(randomProvider),
person3,
PreferencesHelpers.GenerateRandomRecord(randomProvider),
person3
}.ToSafeList( );
var model = new PreferencesModel( );
model.Add(newRecords);
var added = model.PersonColorPreferences.ToSafeList( );
var byBirthDate = model.ByBirthDate( ).ToSafeList( );
var byGenderLastName = model.ByGenderLastName( ).ToSafeList( );
var byLastNameDescending = model.ByLastNameDescending( ).ToSafeList( );
var byName = model.ByName( ).ToSafeList( );
added.Aggregate((arg1, arg2) =>
{
Assert.True(arg1.Id < arg2.Id);
return(arg2);
});
byBirthDate.Aggregate((arg1, arg2) =>
{
Assert.True(arg1.DateTimeBirth <= arg2.DateTimeBirth);
return(arg2);
});
byGenderLastName.Aggregate((arg1, arg2) =>
{
var order = string.Compare(arg1.Gender, arg2.Gender, StringComparison.InvariantCulture);
Assert.True(order <= 0);
if (order == 0)
{
var order2 = string.Compare(arg1.LastNameUpper, arg2.LastNameUpper, StringComparison.InvariantCulture);
Assert.True(order2 <= 0);
}
return(arg2);
});
byLastNameDescending.Aggregate((arg1, arg2) =>
{
Assert.True(string.Compare(arg1.LastNameUpper, arg2.LastNameUpper, StringComparison.InvariantCulture) >= 0);
return(arg2);
});
byName.Aggregate((arg1, arg2) =>
{
var order = string.Compare(arg1.LastNameUpper, arg2.LastNameUpper, StringComparison.InvariantCulture);
Assert.True(order <= 0);
if (order == 0)
{
var order2 = string.Compare(arg1.FirstNameUpper, arg2.FirstNameUpper, StringComparison.InvariantCulture);
Assert.True(order2 <= 0);
}
return(arg2);
});
}
