public async Task CreateFieldReturnsGuidOnSuccess()
{
// Given
CreateFieldModel model = ModelFactory.CreationModel();
// When
Guid fieldId = await _commands.Create(model);
// Then
fieldId.Should().NotBe(Guid.Empty);
}
public void CreateFieldThrowsExceptionOnNameConflict()
{
// Given
Field existingField = ModelFactory.DomainModel();
SeedDatabase(existingField);
CreateFieldModel model = ModelFactory.CreationModel();
// When
Func <Task> createField = async() => await _commands.Create(model);
// Then
createField.Should().Throw <FieldWithNameAlreadyExistsException>();
}
public async Task <Guid> Create(CreateFieldModel model)
{
IQueryable <Field> existingFieldsWithName = from existingField in _database.Fields
where existingField.Name == model.Name
select existingField;
if (await existingFieldsWithName.AnyAsync())
{
throw new FieldWithNameAlreadyExistsException(model.Name);
}
Field field = _mapper.Map <Field>(model);
await _database.Fields.AddAsync(field);
await _database.SaveAsync();
return(field.Id);
}
public async Task <ActionResult> Post([FromBody] CreateFieldViewModel model)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
try
{
CreateFieldModel createFieldModel = _mapper.Map <CreateFieldModel>(model);
Guid fieldId = await _commands.Create(createFieldModel);
return(CreatedAtRoute(nameof(GetField), new { id = fieldId }, null));
}
catch (Exception ex) when(ex is ResourceStateException)
{
return(Conflict(new ErrorViewModel(ex)));
}
}