private void LoadChildInstances(EAV.Model.IModelInstance parentInstance, IEnumerable <EAV.Model.IModelContainer> containers)
{
bool ifParentInstanceWasUnmodified = parentInstance.ObjectState == EAV.Model.ObjectState.Unmodified;
Dictionary <int?, bool> containerWasUnmodified = containers.ToDictionary(key => key.ContainerID, val => val.ObjectState == EAV.Model.ObjectState.Unmodified);
HttpResponseMessage response = client.GetAsync(String.Format("api/data/instances/{0}/instances", parentInstance.InstanceID.GetValueOrDefault())).Result;
if (response.IsSuccessStatusCode)
{
parentInstance.ChildInstances.Clear();
var childInstances = response.Content.ReadAsAsync <IEnumerable <EAVModelLibrary.ModelChildInstance> >().Result;
foreach (EAVModelLibrary.ModelChildInstance childInstance in childInstances)
{
childInstance.MarkUnmodified();
EAV.Model.IModelContainer container = containers.Single(it => it.ContainerID == childInstance.ContainerID);
childInstance.Container = container;
if (container.Attributes.Any())
{
LoadValues(childInstance, container.Attributes);
}
if (container.ChildContainers.Any())
{
LoadChildInstances(childInstance, container.ChildContainers);
}
parentInstance.ChildInstances.Add(childInstance);
childInstance.MarkUnmodified();
}
if (ifParentInstanceWasUnmodified)
{
parentInstance.MarkUnmodified();
}
foreach (var container in containers)
{
if (containerWasUnmodified[container.ContainerID])
{
container.MarkUnmodified();
}
}
}
else
{
throw (new ApplicationException("Attempt to get child instances failed."));
}
}
private void LoadValues(EAV.Model.IModelInstance instance, IEnumerable <EAV.Model.IModelAttribute> attributes)
{
bool instanceWasUnmodified = instance.ObjectState == EAV.Model.ObjectState.Unmodified;
Dictionary <int?, bool> attributeWasUnmodified = attributes.ToDictionary(key => key.AttributeID, val => val.ObjectState == EAV.Model.ObjectState.Unmodified);
HttpResponseMessage response = client.GetAsync(String.Format("api/data/instances/{0}/values", instance.InstanceID.GetValueOrDefault())).Result;
if (response.IsSuccessStatusCode)
{
instance.Values.Clear();
var values = response.Content.ReadAsAsync <IEnumerable <EAVModelLibrary.ModelValue> >().Result;
foreach (EAVModelLibrary.ModelValue value in values)
{
//value.MarkUnmodified();
value.Attribute = attributes.Single(it => it.AttributeID == value.AttributeID);
if (value.UnitID != null)
{
LoadValueUnit(value);
}
instance.Values.Add(value);
value.MarkUnmodified();
}
if (instanceWasUnmodified)
{
instance.MarkUnmodified();
}
foreach (var attribute in attributes)
{
if (attributeWasUnmodified[attribute.AttributeID])
{
attribute.MarkUnmodified();
}
}
}
else
{
throw (new ApplicationException("Attempt to get values failed."));
}
}
public static EAV.Model.IModelChildInstance Create(EAV.Model.IModelChildContainer container, EAV.Model.IModelSubject subject, EAV.Model.IModelInstance parentInstance)
{
ModelChildInstance instance = new ModelChildInstance()
{
ParentInstance = parentInstance,
Container = container,
};
foreach (ModelAttribute attribute in container.Attributes)
{
ModelValue.Create(attribute, instance);
}
foreach (ModelChildContainer childContainer in container.ChildContainers)
{
ModelChildInstance.Create(childContainer, subject, instance);
}
return(instance);
}
public static EAV.Model.IModelValue Create(EAV.Model.IModelAttribute attribute, EAV.Model.IModelInstance instance)
{
ModelValue value = new ModelValue()
{
Attribute = attribute,
Instance = instance,
};
return(value);
}
