public Mutation(IBooksDataSource booksDataSource)
{
Name = "Mutation";
Field <BookType>(
"newBook",
arguments: new QueryArguments(
new QueryArgument <NonNullGraphType <BookInputType> > {
Name = "book"
}
),
resolve: context =>
{
var book = context.GetArgument <Book>("book");
return(booksDataSource.NewBook(book));
});
Field <BookType>(
"editBook",
arguments: new QueryArguments(
new QueryArgument <NonNullGraphType <IdGraphType> > {
Name = "id"
},
new QueryArgument <NonNullGraphType <BookInputType> > {
Name = "book"
}
),
resolve: context =>
{
var id = context.GetArgument <int>("id");
var book = context.GetArgument <Book>("book");
book.Id = id;
return(booksDataSource.EditBook(book));
});
Field <BooleanGraphType>(
"delete",
arguments: new QueryArguments(
new QueryArgument <StringGraphType> {
Name = "id"
}
),
resolve: context =>
{
var id = context.GetArgument <string>("id");
if (int.TryParse(id, out int idValue))
{
return(booksDataSource.DeleteBook(idValue));
}
return(false);
});
}
public Mutation(IBooksDataSource booksDataSource, IAuthorsDataSource authorsDataSource)
{
Name = "Mutation";
Field <BookType>(
"newBook",
arguments: new QueryArguments(
new QueryArgument <NonNullGraphType <BookInputType> > {
Name = "book"
}
),
resolve: context =>
{
var book = context.GetArgument <Book>("book");
return(booksDataSource.NewBook(book));
});
Field <BookType>(
"editBook",
arguments: new QueryArguments(
new QueryArgument <NonNullGraphType <IdGraphType> > {
Name = "id"
},
new QueryArgument <NonNullGraphType <BookInputType> > {
Name = "book"
}
),
resolve: context =>
{
var id = context.GetArgument <int>("id");
var book = context.GetArgument <Book>("book");
book.Id = id;
return(booksDataSource.EditBook(book));
});
Field <BooleanGraphType>(
"deleteBook",
arguments: new QueryArguments(
new QueryArgument <NonNullGraphType <IdGraphType> > {
Name = "id"
}
),
resolve: context =>
{
var id = context.GetArgument <int>("id");
return(booksDataSource.DeleteBook(id));
});
Field <AuthorType>(
"newAuthor",
arguments: new QueryArguments(
new QueryArgument <NonNullGraphType <AuthorInputType> > {
Name = "author"
}
),
resolve: context =>
{
var author = context.GetArgument <Author>("author");
return(authorsDataSource.NewAuthor(author));
});
Field <AuthorType>(
"editAuthor",
arguments: new QueryArguments(
new QueryArgument <NonNullGraphType <IdGraphType> > {
Name = "id"
},
new QueryArgument <NonNullGraphType <AuthorInputType> > {
Name = "author"
}
),
resolve: context =>
{
var id = context.GetArgument <int>("id");
var author = context.GetArgument <Author>("author");
author.Id = id;
return(authorsDataSource.EditAuthor(author));
});
Field <BooleanGraphType>(
"deleteAuthor",
arguments: new QueryArguments(
new QueryArgument <NonNullGraphType <IdGraphType> > {
Name = "id"
}
),
resolve: context =>
{
var id = context.GetArgument <int>("id");
return(authorsDataSource.DeleteAuthor(id));
});
}
public bool DeleteBook(int id)
{
return(booksDataSource.DeleteBook(id));
}
