private void SaveAttribute(EAV.Model.IModelAttribute attribute)
{
HttpResponseMessage response;
if (attribute.ObjectState == EAV.Model.ObjectState.New)
{
response = client.PostAsJsonAsync <EAV.Store.IStoreAttribute>(String.Format("api/metadata/containers/{0}/attributes", attribute.ContainerID.GetValueOrDefault()), attribute).Result;
if (response.IsSuccessStatusCode)
{
EAVModelLibrary.ModelAttribute newAttribute = response.Content.ReadAsAsync <EAVModelLibrary.ModelAttribute>().Result;
attribute.AttributeID = newAttribute.AttributeID;
if (!attribute.VariableUnits.GetValueOrDefault(true))
{
SaveAttributeUnits(attribute.AttributeID.Value, attribute.Units);
}
attribute.MarkUnmodified();
}
else
{
throw (new ApplicationException("Attempt to create attribute failed."));
}
}
else if (attribute.ObjectState == EAV.Model.ObjectState.Modified)
{
response = client.PatchAsJsonAsync <EAV.Store.IStoreAttribute>("api/metadata/attributes", attribute).Result;
if (response.IsSuccessStatusCode)
{
if (!attribute.VariableUnits.GetValueOrDefault(true))
{
SaveAttributeUnits(attribute.AttributeID.Value, attribute.Units);
}
attribute.MarkUnmodified();
}
else
{
throw (new ApplicationException("Attempt to update attribute failed."));
}
}
if (attribute.ObjectState == EAV.Model.ObjectState.Deleted)
{
response = client.DeleteAsync(String.Format("api/metadata/attributes/{0}", attribute.AttributeID.GetValueOrDefault())).Result;
if (response.IsSuccessStatusCode)
{
}
else
{
throw (new ApplicationException("Attempt to delete attribute failed."));
}
}
}
private void LoadAttributeUnits(EAV.Model.IModelAttribute attribute)
{
bool attributeWasUnmodified = attribute.ObjectState == EAV.Model.ObjectState.Unmodified;
HttpResponseMessage response = client.GetAsync(String.Format("api/metadata/attributes/{0}/units", attribute.AttributeID)).Result;
if (response.IsSuccessStatusCode)
{
attribute.Units.Clear();
var units = response.Content.ReadAsAsync <IEnumerable <EAVModelLibrary.ModelUnit> >().Result;
foreach (EAVModelLibrary.ModelUnit unit in units)
{
unit.MarkUnmodified();
attribute.Units.Add(unit);
unit.MarkUnmodified();
}
if (attributeWasUnmodified)
{
attribute.MarkUnmodified();
}
}
else
{
throw (new ApplicationException("Attempt to get attribute units failed."));
}
}