public async Task <bool> UpdatePublisherAsync(PublisherEditServiceModel model)
{
if (!this.IsEntityStateValid(model))
{
return(false);
}
var publisher = await this.Context.Publishers.SingleOrDefaultAsync(p => p.Id == model.Id);
if (publisher == null)
{
return(false);
}
var nameToCheck = model.Name.Trim().ToLower();
// Check if publisher name has already been taken
if (!string.Equals(publisher.Name, model.Name, StringComparison.CurrentCultureIgnoreCase) &&
await this.Context.Publishers.AnyAsync(p => p.Name.ToLower() == nameToCheck))
{
return(false);
}
publisher.Name = model.Name.Trim();
publisher.Description = model.Description;
publisher.ImageUrl = model.ImageUrl;
this.Context.Publishers.Update(publisher);
await this.Context.SaveChangesAsync();
return(true);
}
public async Task UpdatePublisherAsync_WithTakenName_ReturnsFalse()
{
// Arrange
var context = this.NewInMemoryDatabase();
const string testName = "NewName";
var publisherToAdd = new Publisher
{
Name = "TestName",
Description = "TestDescription",
ImageUrl = "http://www.test.com",
};
var otherPublisher = new Publisher
{
Name = testName.ToUpper(),
Description = "TestDescription",
ImageUrl = "http://www.test.com",
};
await context.Publishers.AddRangeAsync(publisherToAdd, otherPublisher);
await context.SaveChangesAsync();
var publishersService = new PublishersService(context);
var model = new PublisherEditServiceModel
{
Id = publisherToAdd.Id,
Name = testName,
Description = "NewDescription",
ImageUrl = "https://newurl.com/pic.jpg"
};
// Act
var result = await publishersService.UpdatePublisherAsync(model);
// Assert
Assert.False(result);
var updatedPublisher = await context.Publishers.SingleOrDefaultAsync(p => p.Id == publisherToAdd.Id);
Assert.NotNull(updatedPublisher);
Assert.Equal(publisherToAdd.Name, updatedPublisher.Name);
}
public async Task UpdatePublisherAsync_WithSameName_WorksCorrectly()
{
// Arrange
var context = this.NewInMemoryDatabase();
var publisherToAdd = new Publisher
{
Name = "TestName",
Description = "TestDescription",
ImageUrl = "http://www.test.com",
};
await context.Publishers.AddAsync(publisherToAdd);
await context.SaveChangesAsync();
var publishersService = new PublishersService(context);
var model = new PublisherEditServiceModel
{
Id = publisherToAdd.Id,
Name = "testname",
Description = "NewDescription",
ImageUrl = "https://newurl.com/pic.jpg"
};
// Act
var result = await publishersService.UpdatePublisherAsync(model);
// Assert
Assert.True(result);
var updatedPublisher = await context.Publishers.SingleOrDefaultAsync(p => p.Id == publisherToAdd.Id);
Assert.NotNull(updatedPublisher);
Assert.Equal(model.Name, updatedPublisher.Name);
Assert.Equal(model.Description, updatedPublisher.Description);
Assert.Equal(model.ImageUrl, updatedPublisher.ImageUrl);
}
