public static void ParseEvaluationInput(string input, ref List <Course> courses, int dashes, string topMessage, int courseSelection, int evaluationSelection)
{
switch (input)
{
case "D":
CrudMethods.DeleteEvaluation(ref courses, courseSelection, evaluationSelection);
Console.Clear();
CourseMenu.Display(ref courses, dashes, courses[courseSelection].Code, courseSelection);
break;
case "E":
CrudMethods.EditEvaluation(ref courses, courseSelection, evaluationSelection);
Console.Clear();
CourseMenu.Display(ref courses, dashes, courses[courseSelection].Code, courseSelection);
break;
case "X":
Console.Clear();
CourseMenu.Display(ref courses, dashes, courses[courseSelection].Code, courseSelection);
break;
default:
Console.Write("incorrect selection made, please select an option above: ");
string new_input = Console.ReadLine();
ParseCourseInput(new_input.ToUpper(), ref courses, dashes, topMessage, courseSelection); break;
}
}
public static void ParseMainInput(string input, ref List <Course> courses, int dashes, string topMessage)
{
if (int.TryParse(input, out var parsedSelection))
{
if (parsedSelection <= 0 || parsedSelection > courses.Count)
{
Error.PrintMessage("Incorrect input, try again..");
Console.WriteLine();
HelperMethods.PromptUser("Enter a command: ");
input = HelperMethods.GetUserSelection();
ParseMainInput(input, ref courses, dashes, "Grades Summary");
}
else
{
Console.Clear();
CourseMenu.Display(ref courses, dashes, courses[--parsedSelection].Code, parsedSelection);
}
}
else
{
switch (input)
{
case "A":
Course newCourse = CrudMethods.AddCourse();
if (newCourse != null)
{
courses.Add(newCourse);
Console.Clear();
MainMenu.Display(ref courses, dashes, topMessage);
}
else
{
ParseMainInput(input, ref courses, dashes, topMessage);
}
break;
case "X":
System.Environment.Exit(1);
break;
default:
Error.PrintMessage("Incorrect input, try again..");
Console.WriteLine();
HelperMethods.PromptUser("Enter a command: ");
string new_input = HelperMethods.GetUserSelection();
ParseMainInput(new_input, ref courses, dashes, topMessage); break;
}
}
}
public static void ParseCourseInput(string input, ref List <Course> courses, int dashes, string topMessage, int selection)
{
if (int.TryParse(input, out var parsedSelection))
{
if (parsedSelection <= 0 || parsedSelection > courses[selection].Evaluations.Count)
{
Error.PrintMessage("Incorrect input, try again..");
Console.WriteLine();
HelperMethods.PromptUser("Enter a command: ");
input = HelperMethods.GetUserSelection();
ParseCourseInput(input, ref courses, dashes, topMessage, selection);
}
else
{
DisplayEvaluation(input, ref courses, dashes, topMessage, selection);
}
}
else
{
switch (input)
{
case "A":
courses[selection].Evaluations.Add(CrudMethods.AddEvaluation());
Console.Clear();
CourseMenu.Display(ref courses, dashes, topMessage, selection);
break;
case "D":
CrudMethods.DeleteCourse(ref courses, selection);
Console.Clear();
MainMenu.Display(ref courses, dashes, "Grades Summary");
break;
case "X":
Console.Clear();
topMessage = "Grades Summary";
MainMenu.Display(ref courses, dashes, topMessage);
break;
default:
Error.PrintMessage("Incorrect input, try again..");
Console.WriteLine();
HelperMethods.PromptUser("Enter a command: ");
string new_input = Console.ReadLine();
ParseCourseInput(new_input.ToUpper(), ref courses, dashes, topMessage, selection); break;
}
}
}
public static void ParseUserInput(char c, int selection, string input, ref List <Course> courses, string topMessage, int dashes)
{
GetCourseSelection(ref c, ref selection, input);
if (Char.IsDigit(c) && selection >= 0)
{
if (selection < 0 || selection >= courses.Count)
{
Error.PrintMessage("Incorrect input, try again..");
HelperMethods.PromptUser("Enter a command: ");
input = HelperMethods.GetUserSelection();
ParseUserInput(c, selection, input, ref courses, topMessage, dashes);
}
Console.Clear();
topMessage = courses[selection].Code;
CourseMenu.Display(ref courses, dashes, topMessage, selection);
}
else
{
ParseMethods.ParseMainInput(input, ref courses, dashes, topMessage);
}
}
