/// <summary>
/// The main extension method that takes a string and returns a football object.
/// </summary>
/// <param name="item"> The string we are processing. </param>
/// <returns> The football validator type that contains a football object if validation passed. </returns>
public static FootballValidatorType ToFootball(this string item)
{
var isFootballValidType = new FootballValidatorType();
var(canExtract, errorMessage, data) = CanExtractFootballItems(item);
if (canExtract)
{
isFootballValidType.ExtractFootballItems(data);
}
else
{
isFootballValidType.IsValid = false;
isFootballValidType.ErrorList.Add(errorMessage);
}
return(isFootballValidType);
}
private static void ProcessFootballValidation(this FootballValidatorType isFootballValidType, Football result)
{
var validationResult = result.IsValid(new FootballValidator());
if (validationResult.IsValid)
{
isFootballValidType.IsValid = true;
isFootballValidType.Football = result;
}
else
{
isFootballValidType.IsValid = false;
isFootballValidType.ErrorList.Add($"Invalid Football.");
foreach (var validationResultError in validationResult.Errors)
{
isFootballValidType.ErrorList.Add(validationResultError.ErrorMessage);
}
}
}
private static void ExtractFootballItems(this FootballValidatorType isFootballValidType, IReadOnlyList <string> data)
{
var team = data[0];
var forPoints = data[1];
var againstPoints = data[2];
if (int.TryParse(forPoints, out var forAsInt) && int.TryParse(againstPoints, out var againstAsInt))
{
var result = new Football
{
TeamName = team.Trim(),
ForPoints = forAsInt,
AgainstPoints = againstAsInt
};
isFootballValidType.ProcessFootballValidation(result);
}
else
{
isFootballValidType.IsValid = false;
isFootballValidType.ErrorList.Add($"Invalid items. Team: {team}, For Points: {forPoints}, Against Points: {againstPoints}.");
}
}
