public int Compare(GradeModel x, GradeModel y)
{
var grades = GradeTypeEnum.GetAll();
int integerX = 0;
int integerY = 0;
var xSplit = x.Name.Split(' ');
var ySplit = y.Name.Split(' ');
var xNumber = Regex.Match(xSplit[0], @"\d+").Value;
var yNumber = Regex.Match(ySplit[0], @"\d+").Value;
if (int.TryParse(xNumber, out integerX) && int.TryParse(yNumber, out integerY))
{
var gradesNumberX = grades.FirstOrDefault(g => g.Value.Equals(integerX));
var gradesNumberY = grades.FirstOrDefault(g => g.Value.Equals(integerY));
return(gradesNumberX.Value.CompareTo(gradesNumberY.Value));
}
var gradesStringX = grades.FirstOrDefault(g => g.DisplayName.ToUpper().Equals(x.Name.ToUpper()));
var gradesStringy = grades.FirstOrDefault(g => g.DisplayName.ToUpper().Equals(y.Name.ToUpper()));
return(gradesStringX.Value.CompareTo(gradesStringy.Value));
}
/// <summary>
/// Gets the last created class from the application.
/// </summary>
/// <param name="gradeTypeEnum">This is the grade type enum.</param>
/// <returns>The grade</returns>
public static Grade Get(GradeTypeEnum gradeTypeEnum)
{
return(InMemoryDatabaseSingleton.DatabaseInstance.SelectMany <Grade>(x => x.GradeType == gradeTypeEnum &&
x.IsCreated).OrderByDescending(x => x.CreationDate).First());
}
/// <summary>
/// This method returns all created grade of the given type.
/// </summary>
/// <param name="gradeType">This is the type of the grade.</param>
/// <returns>Grade List.</returns>
public static List <Grade> GetAll(GradeTypeEnum gradeType)
{
return(InMemoryDatabaseSingleton.DatabaseInstance.SelectMany <Grade>(
x => x.GradeType == gradeType).OrderByDescending(
x => x.CreationDate).ToList());
}