public Task BindModelAsync(ModelBindingContext bindingContext)
{
if (bindingContext == null)
{
throw new ArgumentNullException(nameof(bindingContext));
}
var valueProviderResult = bindingContext.ValueProvider
.GetValue(bindingContext.ModelName);
if (string.IsNullOrEmpty(valueProviderResult.FirstValue))
{
return(null);
}
DateTime datetime;
if (DateTime.TryParse(valueProviderResult.FirstValue, null, DateTimeStyles.AdjustToUniversal, out datetime))
{
bindingContext.Result =
ModelBindingResult.Success(UserCulture.GetUtcTime(datetime));
}
else
{
// TODO: [Enhancement] Could be implemented in better way.
bindingContext.ModelState.TryAddModelError(
bindingContext.ModelName,
bindingContext.ModelMetadata
.ModelBindingMessageProvider.AttemptedValueIsInvalidAccessor(
valueProviderResult.ToString(), nameof(DateTime)));
}
return(Task.CompletedTask);
}
public Task BindModelAsync(ModelBindingContext context)
{
if(context == null)
{
throw new ArgumentNullException(nameof(context));
}
var valueProviderResult = context.ValueProvider.GetValue(context.ModelName);
if(string.IsNullOrWhiteSpace(valueProviderResult.FirstValue))
{
return null;
}
DateTime datetime;
if(DateTime.TryParse(valueProviderResult.FirstValue, null, DateTimeStyles.AdjustToUniversal, out datetime))
{
context.Result = ModelBindingResult.Success(_userCulture.GetUtcTime(datetime));
}
else
{
context.ModelState.TryAddModelError(
context.ModelName,
context.ModelMetadata
.ModelBindingMessageProvider
.AttemptedValueIsInvalidAccessor(valueProviderResult.ToString(), nameof(DateTime)));
}
return Task.CompletedTask;
}
public void ReturnUtcTimeBasedOnUserLocalTime()
{
Assert.Equal(_utcTime, _sut.GetUtcTime(_userLocalTime));
}