public static void Add()
{
// Add customer / car to table
using (var ctx = new CustomerCarContext())
{
// Accept first name as input
Console.WriteLine("Enter Customer's First Name:");
string firstName = Console.ReadLine();
Console.WriteLine();
// Accept last name as input
Console.WriteLine("Enter Customer's Last Name:");
string lastName = Console.ReadLine();
Console.WriteLine();
// Accept phone number as input, parse as string
long phone = PhoneMethod.PhoneAdd();
// Grab current DateTime
DateTime dateAdded = DateTime.Now;
var customer = new Customer(firstName, lastName, phone, dateAdded);
// Accept year of vehicle from input
Console.WriteLine("Enter Year of Customer's Vehicle:");
int year = int.Parse(Console.ReadLine());
Console.WriteLine();
// Accept make from input
Console.WriteLine("Enter Make of Customer's Vehicle:");
string make = Console.ReadLine();
Console.WriteLine();
// Accept model from input
Console.WriteLine("Enter Model of Customer's Vehicle:");
string model = Console.ReadLine();
Console.WriteLine();
// Accept colour from input
Console.WriteLine("Enter Colour of Customer's Vehicle:");
string color = Console.ReadLine();
Console.WriteLine();
var car = new Car(year, make, model, color, customer.Id);
// Add car to customer object
customer.Car = car;
// Add to table
ctx.Customers.Add(customer);
ctx.Cars.Add(car);
ctx.SaveChanges();
}
}
public static void View()
{
// View contents of entire table
using (var ctx = new CustomerCarContext())
{
//Display all customers in ctx
// Join Customers and Cars at Id and OwnerId
// respectively
var query = from x in ctx.Customers
join y in ctx.Cars
on x.Id equals y.OwnerId
orderby x.LastName
// Place custom/newely joined table in query
select new
{
x.FirstName,
x.LastName,
x.Phone,
y.Year,
y.Make,
y.Model,
y.Color
};
Console.WriteLine("All customers added:");
Console.WriteLine();
// Iterate through table
foreach (var item in query)
{
string resultString = string.Format("{0} {1} - {2} : {3} {4} {5} ({6})",
item.FirstName, item.LastName, item.Phone,
item.Year, item.Make, item.Model, item.Color);
Console.WriteLine(resultString);
Console.WriteLine();
}
}
}
public static void Delete()
{
// Delete customer and their car from database
using (var ctx = new CustomerCarContext())
{
// Use customer last name from input
Console.WriteLine("Enter Customer Last Name You Wish To Delete");
string deleteCustomer = Console.ReadLine();
Console.WriteLine();
// Query customers for matches
var queryDelete = from x in ctx.Customers
where x.LastName == deleteCustomer
select x;
foreach (var item in queryDelete)
{
string queryResult = string.Format(
"{0} {1} - {2}", item.FirstName, item.LastName,
item.Phone);
Console.WriteLine(queryResult);
Console.WriteLine();
}
if (queryDelete.Count() > 1)
{
Console.WriteLine(string.Format("There are multiple {0}'s in the system." +
" Please enter the phone number of whome you wish to delete.", deleteCustomer));
long deleteCustomerPhone = long.Parse(Console.ReadLine());
Console.WriteLine();
var delete = (from x in ctx.Customers
where x.Phone == deleteCustomerPhone
select x).Single();
var carDelete = (from x in ctx.Cars
where x.OwnerId == delete.Id
select x).Single();
ctx.Customers.Remove(delete);
ctx.SaveChanges();
ctx.Cars.Remove(carDelete);
ctx.SaveChanges();
}
else if (queryDelete.Count() == 1)
{
// Use customer last name to locate customer
var delete = (from x in ctx.Customers
where x.LastName == deleteCustomer
select x).Single();
// Use Id from customer to locate their vehicle
var carDelete = (from x in ctx.Cars
where x.OwnerId == delete.Id
select x).Single();
// Delete customer from table
ctx.Customers.Remove(delete);
ctx.SaveChanges();
// Delete car from table
ctx.Cars.Remove(carDelete);
ctx.SaveChanges();
}
}
}
public static void Delete()
{
// Delete customer and their car from database
using (var ctx = new CustomerCarContext())
{
// Use customer last name from input
Console.WriteLine("Enter Customer Last Name You Wish To Delete");
string deleteCustomer = Console.ReadLine();
Console.WriteLine();
var queryDelete = ctx.Customers.Where(x => x.LastName == deleteCustomer);
if (queryDelete.Count() > 1)
{
Console.WriteLine(string.Format("There are multiple {0}'s in the system." +
" Please enter the number left of the customer you wish to delete.",
deleteCustomer));
Console.WriteLine();
string deleteResult = "";
int i = 0;
Dictionary <int, string> deleteDictionary = new Dictionary <int, string>();
var query = from x in ctx.Customers.Where(x => x.LastName == deleteCustomer)
join y in ctx.Cars
on x.Id equals y.OwnerId
orderby x.LastName
// Place custom/newely joined table in query
select new
{
x.FirstName,
x.LastName,
x.Phone,
y.Year,
y.Make,
y.Model,
y.Color,
x.Id
};
foreach (var item in query)
{
i++;
deleteResult = string.Format("{0}: {1} {2} - {3} : {4} {5} {6} ({7})",
i, item.FirstName, item.LastName, item.Phone,
item.Year, item.Make, item.Model, item.Color);
deleteDictionary.Add(i, item.Id.ToString());
Console.WriteLine(deleteResult);
}
Console.WriteLine();
int deleteCustomerInt = int.Parse(Console.ReadLine());
Console.WriteLine();
string deleteDictionaryValue = (from x in deleteDictionary
where x.Key == deleteCustomerInt
select x.Value).Single();
var delete = (from x in ctx.Customers
where x.Id.ToString() == deleteDictionaryValue
select x).Single();
var carDelete = (from x in ctx.Cars
where x.OwnerId == delete.Id
select x).Single();
ctx.Customers.Remove(delete);
ctx.SaveChanges();
ctx.Cars.Remove(carDelete);
ctx.SaveChanges();
}
else if (queryDelete.Count() == 1)
{
foreach (var item in queryDelete)
{
string queryResult = string.Format(
"{0} {1} - {2}", item.FirstName, item.LastName,
item.Phone);
Console.WriteLine(queryResult);
Console.WriteLine("DELETED");
Console.WriteLine();
}
// Use customer last name to locate customer
var delete = (from x in ctx.Customers
where x.LastName == deleteCustomer
select x).Single();
// Use Id from customer to locate their vehicle
var carDelete = (from x in ctx.Cars
where x.OwnerId == delete.Id
select x).Single();
// Delete customer from table
ctx.Customers.Remove(delete);
ctx.SaveChanges();
// Delete car from table
ctx.Cars.Remove(carDelete);
ctx.SaveChanges();
}
}
}
