public BookUpdatedSubscription(IBookMessageService bookMessageService)
{
Name = "bookUpdated";
Type = typeof(BookType);
Resolver = new FuncFieldResolver <Book>(c => c.Source as Book);
Subscriber = new EventStreamResolver <Book>(c => bookMessageService.GetBookUpdatedMessages());
}
public BooksMutation(IBookRepository bookRepository, IAuthorRepository authorRepository, IAuthorMessageService authorMessageService, IBookMessageService bookMessageService)
{
FieldAsync <BookType>(
"createBook",
arguments: new QueryArguments(new QueryArgument <NonNullGraphType <BookAddedType> > {
Name = "book"
}),
resolve: async context =>
{
var book = context.GetArgument <Book>("book");
await bookRepository.AddBookAsync(book);
bookMessageService.AddBookMessage(book);
return(book);
});
FieldAsync <BookType>(
"updateBook",
arguments: new QueryArguments(new QueryArgument <NonNullGraphType <BookUpdatedType> > {
Name = "book"
}),
resolve: async context =>
{
var book = context.GetArgument <Book>("book");
await bookRepository.UpdateBookAsync(book);
bookMessageService.UpdateBookMessage(book);
return(book);
});
FieldAsync <BookType>(
"deleteBook",
arguments: new QueryArguments(new QueryArgument <NonNullGraphType <IntGraphType> > {
Name = "id"
}),
resolve: async context =>
{
var id = context.GetArgument <int>("id");
var book = await bookRepository.GetBookAsync(id);
await bookRepository.DeleteBookAsync(book);
bookMessageService.DeleteBookMessage(book);
return(book);
});
FieldAsync <AuthorType>(
"createAuthor",
arguments: new QueryArguments(new QueryArgument <NonNullGraphType <AuthorAddedType> > {
Name = "author"
}),
resolve: async context =>
{
var author = context.GetArgument <Author>("author");
await authorRepository.AddAuthorAsync(author);
authorMessageService.AddAuthorMessage(author);
return(author);
});
FieldAsync <AuthorType>(
"updateAuthor",
arguments: new QueryArguments(new QueryArgument <NonNullGraphType <BookUpdatedType> > {
Name = "author"
}),
resolve: async context =>
{
var author = context.GetArgument <Author>("author");
await authorRepository.UpdateAuthorAsync(author);
authorMessageService.UpdateAuthorMessage(author);
return(author);
});
FieldAsync <AuthorType>(
"deleteAuthor",
arguments: new QueryArguments(new QueryArgument <NonNullGraphType <IntGraphType> > {
Name = "id"
}),
resolve: async context =>
{
var id = context.GetArgument <int>("id");
var author = await authorRepository.GetAuthorAsync(id);
await authorRepository.DeleteAuthorAsync(author);
authorMessageService.DeleteAuthorMessage(author);
return(author);
});
}