public void TestUpdateAddPromotionWithMessageOk()
{
//SETUP
var options = SqliteInMemory.CreateOptions <EfCoreContext>();
using (var context = new EfCoreContext(options))
{
context.Database.EnsureCreated();
context.SeedDatabaseFourBooks();
//ATTEMPT
var utData = context.SetupSingleDtoAndEntities <AddRemovePromotionDto>();
var service = new CrudServices(context, utData.Wrapped);
//ATTEMPT
var dto = new AddRemovePromotionDto {
BookId = 1, ActualPrice = 1, PromotionalText = "Really Cheap!"
};
service.UpdateAndSave(dto, nameof(Book.AddPromotion));
//VERIFY
service.IsValid.ShouldBeTrue(service.GetAllErrors());
service.Message.ShouldEqual("The book's new price is $1.00.");
}
}
public void TestAddPromotionBookWithError()
{
//SETUP
var options = SqliteInMemory.CreateOptions <EfCoreContext>();
using (var context = new EfCoreContext(options))
{
context.Database.EnsureCreated();
context.SeedDatabaseFourBooks();
}
using (var context = new EfCoreContext(options))
{
var utData = context.SetupSingleDtoAndEntities <AddRemovePromotionDto>();
var service = new CrudServices(context, utData.Wrapped);
//ATTEMPT
var dto = new AddRemovePromotionDto {
BookId = 1, PromotionalText = ""
};
service.UpdateAndSave(dto);
//VERIFY
service.IsValid.ShouldBeFalse();
service.Errors.Single().ToString().ShouldEqual("You must provide some text to go with the promotion.");
}
}
public void TestRemovePromotionBookOk()
{
//SETUP
var options = SqliteInMemory.CreateOptions <EfCoreContext>();
using (var context = new EfCoreContext(options))
{
context.Database.EnsureCreated();
context.SeedDatabaseFourBooks();
}
using (var context = new EfCoreContext(options))
{
var utData = context.SetupSingleDtoAndEntities <AddRemovePromotionDto>();
var service = new CrudServices(context, utData.Wrapped);
var dto = new AddRemovePromotionDto {
BookId = 1, ActualPrice = 20, PromotionalText = "Half price today!"
};
service.UpdateAndSave(dto);
var book1 = context.Find <Book>(1);
//ATTEMPT
service.UpdateAndSave(dto, nameof(Book.RemovePromotion));
//VERIFY
service.IsValid.ShouldBeTrue(service.GetAllErrors());
var book = context.Find <Book>(1);
book.ActualPrice.ShouldEqual(40);
}
}
public void OnGet(int id)
{
Data = _service.ReadSingle <AddRemovePromotionDto>(id);
if (!_service.IsValid)
{
_service.CopyErrorsToModelState(ModelState, Data, nameof(Data));
}
}
public IActionResult RemovePromotion(AddRemovePromotionDto dto, [FromServices] IAddRemovePromotionService service)
{
service.RemovePromotion(dto.BookId);
if (service.Status.HasErrors)
{
SetupTraceInfo();
}
return(View("BookUpdated", "Successfully removed a promotion"));
}
public IActionResult AddPromotion(AddRemovePromotionDto dto, [FromServices] IAddRemovePromotionService service)
{
if (!ModelState.IsValid)
{
return(View(dto));
}
service.AddPromotion(dto);
if (service.Status.HasErrors)
{
service.Status.CopyErrorsToModelState(ModelState, dto);
return(View(dto));
}
SetupTraceInfo();
return(View("BookUpdated", "Successfully added/changed a promotion"));
}
public Book AddPromotion(AddRemovePromotionDto dto)
{
var book = _context.Find <Book>(dto.BookId);
if (book == null)
{
throw new InvalidOperationException($"Could not find the book with Id of {dto.BookId}.");
}
Status = book.AddPromotion(dto.ActualPrice, dto.PromotionalText);
if (Status.HasErrors)
{
return(null);
}
_context.SaveChanges();
return(book);
}
public IActionResult RemovePromotion(AddRemovePromotionDto dto, [FromServices] ICrudServices service)
{
if (!ModelState.IsValid)
{
return(View(dto));
}
service.UpdateAndSave(dto, nameof(Book.RemovePromotion));
SetupTraceInfo();
if (service.IsValid)
{
return(View("BookUpdated", service.Message));
}
//Error state
service.CopyErrorsToModelState(ModelState, dto);
return(View(dto));
}
public Book AddPromotion(AddRemovePromotionDto dto)
{
var book = _context.Find <Book>(dto.BookId);
if (book == null)
{
AddError("Sorry, I could not find the book you were looking for.");
return(null);
}
CombineStatuses(book.AddPromotion(dto.ActualPrice, dto.PromotionalText));
if (!IsValid)
{
return(null);
}
_context.SaveChanges();
return(book);
}
public void AddPromotion(AddRemovePromotionDto dto)
{
_service.UpdateAndSave(dto);
}
