static void Main(string[] args)
{
int menuOption = 1;
PersistenceService persistenceService = new PersistenceService();
System.Console.WriteLine("\n\tWelcome!");
System.Console.WriteLine("\tChoose the option most suitable for you: \n");
while ((menuOption >= 1) && (menuOption <= 4))
{
System.Console.WriteLine("\t1. Insert new student.");
System.Console.WriteLine("\t2. Insert new university.");
System.Console.WriteLine("\t3. View existing students.");
System.Console.WriteLine("\t4. View existing universities.");
System.Console.WriteLine("\t5. Exit.");
// Get user's menu choice
menuOption = Convert.ToInt32(System.Console.ReadLine());
switch (menuOption)
{
case 1:
// Insert new student
Student student = new Student();
// Get student info
System.Console.WriteLine("\n\tInsert the id of the student: ");
student.Id = System.Console.ReadLine();
System.Console.WriteLine("\n\tInsert the firstname of the student: ");
student.FisrtName = System.Console.ReadLine();
System.Console.WriteLine("\n\tInsert the lastname of the student: ");
student.LastName = System.Console.ReadLine();
// Call function to insert the new student
try
{
persistenceService.InsertEntity(student);
}
catch (ArgumentException argumentException)
{
System.Console.WriteLine(argumentException.Message);
}
catch (InvalidOperationException exception)
{
System.Console.WriteLine("\tEntry not registered. Reason: Cannot register more than 3 students.");
}
break;
case 2:
// Insert new university
University university = new University();
// Get university info
System.Console.WriteLine("\n\tInsert the id of the university: ");
university.Id = System.Console.ReadLine();
System.Console.WriteLine("\n\tInsert the name of the university: ");
university.Name = System.Console.ReadLine();
System.Console.WriteLine("\n\tInsert the address of the university: ");
university.Address = System.Console.ReadLine();
// Call function to insert the new university
try
{
persistenceService.InsertEntity(university);
}
catch (ArgumentException argumentException)
{
System.Console.WriteLine(argumentException.Message);
}
catch (InvalidOperationException exception)
{
System.Console.WriteLine("\tEntry not registered. Reason: Cannot register more than 3 universities.");
}
break;
case 3:
// View existing students
try
{
IEnumerable <Student> students = persistenceService.ViewAllEntities <Student>();
foreach (Student existingStudent in students)
{
System.Console.WriteLine("\t\t Student ID: " + existingStudent.Id +
"\n\t\t Student First Name: " + existingStudent.FisrtName +
"\n\t\t Student Last Name: " + existingStudent.LastName + "\n");
}
}
catch (InvalidOperationException exception)
{
System.Console.WriteLine("\n\tOops...looks like there are no students registered yet.");
}
break;
case 4:
// View existing universities
try
{
IEnumerable <University> universities = persistenceService.ViewAllEntities <University>();
foreach (University existingUniversity in universities)
{
System.Console.WriteLine("\t\t University ID: " + existingUniversity.Id +
"\n\t\t University Name: " + existingUniversity.Name +
"\n\t\t University Address: " + existingUniversity.Address + "\n");
}
}
catch (InvalidOperationException exception)
{
System.Console.WriteLine("\n\tOops...looks like there are no universities registered yet.");
}
break;
case 5:
// Exit program
System.Console.WriteLine("\n\tGoodbye for now...\n");
break;
default:
System.Console.WriteLine("\n\tOops...looks like you entered an undefined command.");
break;
}
if (menuOption != 5)
{
System.Console.WriteLine("\n\tGo back to menu?");
System.Console.WriteLine("\t\tYes - 1\n\t\tNo - 0");
menuOption = Convert.ToInt32(System.Console.ReadLine());
if (menuOption == 0)
{
System.Console.WriteLine("\n\tGoodbye for now...\n");
}
}
}
}
static void Main(string[] args)
{
var databaseMock = new DatabaseMock();
string userInput;
do
{
userInput = UI.GetUserInputOnMainMenu();
try
{
switch (userInput)
{
case "1":
System.Console.WriteLine("Students:");
var students = databaseMock.GetItems <Student>();
UI.PrintItemsOnConsole(students);
break;
case "2":
System.Console.WriteLine("Universities:");
var universities = databaseMock.GetItems <University>();
UI.PrintItemsOnConsole(universities);
break;
case "3":
var student = new Student();
Dictionary <string, string> studentData = UI.GetUserInputOnNewItemMenu(student);
student.Id = studentData["Id"];
student.FisrtName = studentData["FisrtName"];
student.LastName = studentData["LastName"];
databaseMock.AddItem(student);
UI.ConsoleWritelineGreen("Item successfully created.");
break;
case "4":
var university = new University();
Dictionary <string, string> universityData = UI.GetUserInputOnNewItemMenu(university);
university.Id = universityData["Id"];
university.Name = universityData["Name"];
university.Address = universityData["Address"];
databaseMock.AddItem(university);
UI.ConsoleWritelineGreen("Item successfully created.");
break;
default:
break;
}
}
catch (ArgumentException ex)
{
var message = $"{ex.Message}. Id should be non-null, max 10 characters, and should not contain the character '%'";
UI.ConsoleWritelineRed(message);
}
catch (Exception ex)
{
UI.ConsoleWritelineRed(ex.Message);
}
} while (userInput != "5");
}
public void MainMenu()
{
System.Console.WriteLine("Welcome!\n" + "In order to see students/university write command: getAllStudents/getAllUniversities!\n" + "In order to add a new student/university write command: addStudent/addUniversity");
System.Console.Write("command = ");
string input = System.Console.ReadLine();
while (!input.Equals("exit"))
{
if (input.ToLower().Equals("getallstudents"))
{
System.Console.WriteLine(_studService.GetUsers());
}
else
{
if (input.ToLower().Equals("getalluniversities"))
{
System.Console.WriteLine(_uniService.GetUsers());
}
else
{
if (input.ToLower().Equals("addstudent"))
{
string id, firstName, lastName;
System.Console.Write("id = ");
id = System.Console.ReadLine();
System.Console.Write("firstName = ");
firstName = System.Console.ReadLine();
System.Console.Write("lastName = ");
lastName = System.Console.ReadLine();
Student tempStudent = new Student()
{
Id = id, FisrtName = firstName, LastName = lastName
};
System.Console.WriteLine(_studService.InsertUser(tempStudent));
}
else
{
if (input.ToLower().Equals("adduniversity"))
{
string id, adress, name;
System.Console.Write("id = ");
id = System.Console.ReadLine();
System.Console.Write("adress = ");
adress = System.Console.ReadLine();
System.Console.Write("name = ");
name = System.Console.ReadLine();
University tempUniversity = new University()
{
Id = id, Address = adress, Name = name
};
System.Console.WriteLine(_uniService.InsertUser(tempUniversity));
}
else
{
System.Console.WriteLine("Invalid command!");
}
}
}
}
System.Console.Write("command = ");
input = System.Console.ReadLine();
}
}
static void MainMenu()
{
Student stud = new Student();
University univ = new University();
System.Console.WriteLine("1.Add a student");
System.Console.WriteLine("2.Add an university");
System.Console.WriteLine("3.Show all students");
System.Console.WriteLine("4.Show all universities");
System.Console.WriteLine("5.Console clear");
string userChoice = System.Console.ReadLine();
switch (userChoice)
{
case "1":
System.Console.WriteLine("Student id: ");
string studentId = System.Console.ReadLine();
System.Console.WriteLine("Student first name: ");
string studentFirstName = System.Console.ReadLine();
System.Console.WriteLine("Student last name: ");
string studentLastName = System.Console.ReadLine();
stud.Id = studentId;
stud.FisrtName = studentFirstName;
stud.LastName = studentLastName;
studs.Add(stud);
Insert(stud);
MainMenu();
break;
case "2":
System.Console.WriteLine("University id: ");
string univId = System.Console.ReadLine();
System.Console.WriteLine("University Name: ");
string univName = System.Console.ReadLine();
System.Console.WriteLine("Univ adress: ");
string univAdress = System.Console.ReadLine();
univ.Id = univId;
univ.Name = univName;
univ.Address = univAdress;
univs.Add(univ);
Insert(univ);
MainMenu();
break;
case "3":
read <Student>();
MainMenu();
break;
case "4":
read <University>();
MainMenu();
break;
case "5":
System.Console.Clear();
MainMenu();
break;
default:
System.Console.Clear();
MainMenu();
break;
}
}
