public async Task <IActionResult> PartialUpdate(int id, JsonPatchDocument <ProductPatchDTO> patchDoc)
{
if (id < 1)
{
return(BadRequest());
}
if (patchDoc == null)
{
return(BadRequest(ModelState));
}
var patch = new ProductPatchDTO();
patchDoc.ApplyTo(patch, ModelState);
if (!TryValidateModel(patch))
{
return(ValidationProblem(ModelState));
}
if (!await _productsService.Update(id, patch))
{
return(NotFound());
}
return(NoContent());
}
public async Task <bool> Update(int id, ProductPatchDTO patch)
{
var product = new Product()
{
Id = id
};
_mapper.Map(patch, product);
_context.Products.Attach(product);
_context.Entry(product).Property(x => x.Description).IsModified = true;
return(await _context.SaveChangesAsync() > 0);
}
public async Task ProductService_PartialUpdate_ChangesValue()
{
// arrange
var context = InfrastructureBuilder.GetContext();
var service = InfrastructureBuilder.GetProductService(context);
int id = 1;
string value = "changed value";
var patch = new ProductPatchDTO {
Description = value
};
// act
var result = await service.Update(id, patch);
// assert
Assert.True(result);
var dbValue = await context.Products.AsNoTracking().Where(w => w.Id == id).Select(p => p.Description).FirstOrDefaultAsync();
Assert.Equal(value, dbValue);
}
