//Method to Delete a Guest and calling the validation methods from the GuestBiz class
public static void DeleteGuest()
{
int GuestID;
bool GuestDeleted;
try
{
//User Inputs
Console.Write("Enter the Guest ID to be deleted : ");
GuestID = Convert.ToInt32(Console.ReadLine());
//Calling the GuestBL class to use it's function AND using NAMED ARGUMENTS
GuestDeleted = GuestValidations.DeleteGuest(GuestID);
if (GuestDeleted == true)
{
Console.WriteLine("Guest Deleted Successfully!");
}
else
{
throw new GuestPhoneBookException("Guest not deleted!");
}
}
//Catching User defined exception
catch (GuestPhoneBookException p)
{
Console.WriteLine(p.Message);
}
//Catching System exception
catch (SystemException e)
{
Console.WriteLine(e.Message);
}
}
public static void SearchGuest()
{
int GuestID;
Guest searchedGuest;
try
{
Console.Write("Enter Guest ID for search : ");
GuestID = Convert.ToInt32(Console.ReadLine());
//Checking if all validations by calling the GuestBiz class to use it's function AND using are true AND using NAMED ARGUMENTS
searchedGuest = GuestValidations.SearchGuest(GuestID: GuestID);
if (searchedGuest != null)
{
Console.WriteLine("Guest ID : " + searchedGuest.GuestID);
Console.WriteLine("Guest Name : " + searchedGuest.GuestName);
Console.WriteLine("Guest Phone: " + searchedGuest.GuestContactNumber);
}
else
{
throw new GuestPhoneBookException("Guest not found!");
}
}
//Catching User defined exception
catch (GuestPhoneBookException p)
{
Console.WriteLine(p.Message);
}
//Catching System exception
catch (SystemException e)
{
Console.WriteLine(e.Message);
}
}
//Method to Display a Guest and calling the validation methods from the GuestBiz class
public static void DisplayGuest()
{
//Creating List object to store n number of inputs from the user
List <Guest> GuestList = new List <Guest>();
try
{
GuestList = GuestValidations.DisplayFromFile();
if (GuestList.Count > 0)
{
Console.WriteLine("*******************All Guest Detail****************");
Console.WriteLine("Guest ID - Guest Name - Guest Contact No ");
Console.WriteLine("--------------------------------------------------------");
foreach (Guest p in GuestList)
{
Console.WriteLine(p.GuestID + "\t\t\t" + p.GuestName + "\t\t\t" + p.GuestContactNumber);
}
}
else
{
throw new GuestPhoneBookException("There are no records!");
}
}
//Catching User defined exception
catch (GuestPhoneBookException p)
{
Console.WriteLine(p.Message);
}
//Catching System exception
catch (SystemException e)
{
Console.WriteLine(e.Message);
}
}
//
private static void ListAllGuests()
{
List <Guest> Guests = GuestValidations.ReturnGuestInformation();
foreach (Guest Guest in Guests)
{
Console.WriteLine("Guest ID is : {0}", Guest.GuestID);
Console.WriteLine("Guest Name is : {0}", Guest.GuestName);
Console.WriteLine("Guest Phone is : {0}", Guest.GuestContactNumber);
}
}
//Method to Update a Guest and calling the validation methods from the GuestBiz class
public static void UpdateGuest()
{
Guest GuestToBeUpdated = new Guest();
bool GuestUpdated;
try
{
//User inputs
Console.Write("Enter Guest ID for which you would like to update the record : ");
GuestToBeUpdated.GuestID = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter Guest Name to be updated : ");
GuestToBeUpdated.GuestName = Console.ReadLine();
Console.Write("Enter Guest Phone Number to be updated : ");
GuestToBeUpdated.GuestContactNumber = Console.ReadLine();
//Checking if all validations by calling the GuestBL class to use it's function AND using are true AND using NAMED ARGUMENTS
GuestUpdated = GuestValidations.UpdateGuest(GuestToBeUpdated);
//Checking if validations are true or not
if (GuestUpdated == true)
{
Console.WriteLine("Guest Updated Successfully!");
}
else
{
throw new GuestPhoneBookException("Guest not updated!");
}
}
//Catching User defined exception
catch (GuestPhoneBookException p)
{
Console.WriteLine(p.Message);
}
//Catching System exception
catch (SystemException e)
{
Console.WriteLine(e.Message);
}
}
//Method to Add a Guest and calling the validation methods from the GuestBiz class
public static void AddGuest()
{
try
{
//Creating object of Guest class to access the values being stored through the properties
Guest newGuest = new Guest();
//User Inputs
Console.Write("Enter Guest ID : ");
newGuest.GuestID = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter Guest Name : ");
newGuest.GuestName = Console.ReadLine();
Console.Write("Enter Guest Contact No : ");
newGuest.GuestContactNumber = Console.ReadLine();
//Checking if all validations by calling the GuestBL class to use it's function AND using are true AND using NAMED ARGUMENTS
bool GuestAdded = GuestValidations.AddGuest(newGuest);
if (GuestAdded == true)
{
Console.WriteLine("Guest Added Successfully!");
}
else
{
throw new GuestPhoneBookException("Guest not added! Please try again following the validations mentioned!");
}
}
//Catching user defined exception
catch (GuestPhoneBookException p)
{
Console.WriteLine(p.Message);
}
//Catching System exception
catch (SystemException e)
{
Console.WriteLine(e.Message);
}
}
public static void AddRecordsToFile()
{
GuestValidations.SerializeData();
Console.WriteLine("Records Serialized and Successfully added to the file");
Console.WriteLine();
}