public string ParseAllAuthors()
{
if (Authors is null || Authors.Count == 0)
{
return(string.Empty);
}
if (Authors.Count == 1)
{
var author = Authors.First();
var firstName = !string.IsNullOrEmpty(author.FirstName) ? $" {author.FirstName}" : string.Empty;
var fathersName = !string.IsNullOrEmpty(author.FathersName) ? $" {author.FathersName}" : string.Empty;
var lastName = !string.IsNullOrEmpty(author.LastName) ? $"{author.LastName}" : string.Empty;
return($" / {lastName}{firstName}{fathersName}");
}
var result = " / ";
for (int i = 0; i < Authors.Count - 1; i++)
{
var author = Authors[i];
result += $"{ConvertAuthorToString(author)}, ";
}
var lastAuthor = Authors.Last();
result += $"{ConvertAuthorToString(lastAuthor)}";
return(result);
}
public IEnumerator GetEnumerator()
{
yield return(ISBN);
yield return(Title);
yield return(Authors.First());
yield return(PublishDate);
yield return(Genre);
}
public string ParseAuthor()
{
if (Authors is null || Authors.Count == 0)
{
return(string.Empty);
}
var author = Authors.First();
var firstName = !string.IsNullOrEmpty(author.FirstName) ? $" {author.FirstName.Substring(0, 1)}." : string.Empty;
var fathersName = !string.IsNullOrEmpty(author.FathersName) ? $" {author.FathersName.Substring(0, 1)}. " : string.Empty;
var lastName = !string.IsNullOrEmpty(author.LastName) ? $"{author.LastName}" : string.Empty;
return($"{lastName}{firstName}{fathersName}");
}
public AuthorsMaster(ISubject <object> interaction)
{
interaction.OfType <AuthorChanged>()
.Subscribe(x => {
var author = Authors.First(y => y.Id == x.Author.Id);
author.Name = x.Author.Name;
author.Birthday = x.Author.Birthday;
author.Gender = x.Author.Gender;
author.IsChecked = x.Author.IsChecked;
author.Books = x.Author.Books;
});
this.Authors = new ObservableCollection <Author>();
this.Genders = (GenderType[])Enum.GetValues(typeof(GenderType));
this.IsCheckedHeader = false;
}
public void AddBooks()
{
var author = Authors.First();
Books.AddRange(Enumerable.Range(0, 1000).Select(x => new Book
{
Title = $"Book {x}",
PageCount = x,
Author = author,
IsAvailable = true,
Description = "Auto generated Book"
}));
SaveChanges();
}