public static void UpdateAuthoursName(string searchAuthorFname, string searchAuthorLname)
{
using (var ctx = new Books1Entities())
{
var searchAuthorNameToUpdate = ctx.Authors.Where(x => x.FirstName.ToUpper().ToLower().Contains(searchAuthorFname) && x.LastName.ToUpper().ToLower().Contains(searchAuthorLname));
foreach (var a in searchAuthorNameToUpdate)
{
int countList = searchAuthorNameToUpdate.Count();
if (countList > 1)
{
Console.WriteLine($"Result: There are {countList} with the same name \nID: {a.AuthorID}\nAuthor: {a.FirstName} {a.LastName}");
break;
}
else
{
Console.WriteLine($"Result:\nID: {a.AuthorID}\nAuthor: {a.FirstName} {a.LastName}");
}
}
Console.WriteLine("Write the new Firstname: ");
string newFname = Console.ReadLine();
Console.WriteLine("Write the new Lastname: ");
string newLname = Console.ReadLine();
searchAuthorNameToUpdate.FirstOrDefault().FirstName = newFname;
searchAuthorNameToUpdate.FirstOrDefault().LastName = newLname;
ctx.SaveChanges();
}
}
public static void ShowAllAuthors()
{
using (var ctx = new Books1Entities())
{
foreach (var a in ctx.Authors)
{
Console.WriteLine($"{a.FirstName} {a.LastName}\nID: {a.AuthorID}");
}
}
}
public static void SearchAuthorsByID(int searchInput)
{
using (var ctx = new Books1Entities())
{
var search = ctx.Authors.Where(x => x.AuthorID == searchInput);
foreach (var a in search)
{
Console.WriteLine($"Result:\nID: {a.AuthorID}\nAuthor: {a.FirstName} {a.LastName}");
}
}
}
public static void SearchFLname(string searchInput)
{
using (var ctx = new Books1Entities())
{
var search = ctx.Authors.Where(x => x.FirstName.ToLower().ToUpper().StartsWith(searchInput) || x.LastName.ToLower().ToUpper().StartsWith(searchInput));
foreach (var a in search)
{
Console.WriteLine($"{a.FirstName} {a.LastName}");
}
}
}
public static void DeleteAAuthour(int deleteAuthour)
{
using (var ctx = new Books1Entities())
{
var delete = (from a in ctx.Authors
where a.AuthorID == deleteAuthour
select a).FirstOrDefault();
ctx.Authors.Remove(delete);
ctx.SaveChanges();
}
}
public static void AddANewAuthour(int authorID, string fname, string lname, string homeTel, int paymentMethod, DateTime date)
{
using (var ctx = new Books1Entities())
{
Authors author = new Authors()
{
AuthorID = authorID,
FirstName = fname,
LastName = lname,
HomeTel = homeTel,
PaymentMethod = paymentMethod,
Age = date
};
ctx.Authors.Add(author);
ctx.SaveChanges();
}
}
public static void UpdateAuthourAge(int updateAuthour)
{
using (var ctx = new Books1Entities())
{
var updateAge = ctx.Authors.Where(a => a.AuthorID == updateAuthour).FirstOrDefault();
try
{
if (updateAge == null)
{
throw new Exception("Invalid ID, there's no ID in our Database");
}
Console.WriteLine("The new age: ");
DateTime date = DateTime.Parse(Console.ReadLine());
updateAge.Age = date;
ctx.SaveChanges();
}
catch (Exception e)
{
Console.WriteLine("Error: " + e.ToString());
Console.ReadKey();
}
}
}
