public async Task UpdateProductAsync(string code, string eTag, Product.Update product)
{
using (var content = new StringContent(JsonConvert.SerializeObject(product), Encoding.UTF8, "application/json"))
{
var request = new HttpRequestMessage(HttpMethod.Put, new Uri(this.BaseAddress, code));
request.Headers.TryAddWithoutValidation(HttpConstants.Headers.IfMatch, eTag);
request.Content = content;
using (var response = await this.SendAsync(request))
{
if (response.StatusCode != HttpStatusCode.Accepted)
{
// TODO : Better threat failures for UI
var result = await response.Content.ReadAsStringAsync();
throw new InvalidOperationException($"Product was not updated due to '{response.ReasonPhrase}'\n {result}.");
}
}
}
}
public async Task <IActionResult> Put([FromHeader(Name = "If-Match")] string eTag, string code, Product.Update model)
{
int productVersion = await _productOrchestrator.GetProductVersionByCodeAsync(code);
if (!_eTagProvider.ValidatePayloadHash(productVersion, eTag))
{
throw new ConcurrencyValidationException($"Product '{code}' state has changed, reload it for latest version.");
}
await _productOrchestrator.UpdateProductAsync(code, model);
return(AcceptedAtAction(nameof(GetAsync), new { code }, null));
}
