public SubResource(IParentableResource parent, IResourceModel parentInstance, String name = null) : base(parent.Context, name: name)
{
if (!parent.GetModelType().IsAssignableFrom(parentInstance.GetType()))
{
throw new ShopifyConfigurationException("Parent model instance provided to SubResource must be appropriate to the provided Parent Resource.");
}
if (parentInstance.Id == null)
{
throw new ShopifyConfigurationException("Parent model instance provided for subresource has null id, which would lead to untenable subresource URIs.");
}
ParentResource = parent;
ParentInstance = parentInstance;
}
private static void RecurseThroughAllHasOneProperties(IShopifyAPIContext shopify, IResourceModel model)
{
// change all placeholders (which tell us the ID that was on the _id) into single
// instance subresources (lives ones that are Get()able)
var hasOneProperties = from p in model.GetType().GetProperties() where p.PropertyType.IsGenericType && p.PropertyType.GetGenericTypeDefinition() == (typeof(IHasOne <>)) select p;
foreach (var placeholderPropCandidate in hasOneProperties)
{
// naturally, any null or inline ones (HasOneInline<>) are skipped
var hasOnePlaceholder = placeholderPropCandidate.GetValue(model) as IHasOnePlaceholderUntyped;
if (hasOnePlaceholder == null)
{
continue;
}
// get resource model type from the has_a property
var subResourceModelType = placeholderPropCandidate.PropertyType.GetGenericArguments()[0];
var baseSubresourceType = typeof(SingleInstanceSubResource <>);
var resourceType = baseSubresourceType.MakeGenericType(new Type[] { subResourceModelType });
// I was hoping to avoid using Activator in this project, but no such luck
var subResourceInstance = Activator.CreateInstance(resourceType, shopify, hasOnePlaceholder.Id);
placeholderPropCandidate.SetValue(model, subResourceInstance);
}
// recurse into and do the same to any inlined hasones on the model.
foreach (var inlineHasOnePropCandidate in hasOneProperties)
{
var inlineHasOne = inlineHasOnePropCandidate.GetValue(model) as IHasOneInlineUntyped;
if (inlineHasOne == null)
{
continue;
}
var inlineModel = inlineHasOne.GetUntypedInlineModel();
if (inlineModel == null)
{
continue;
}
RecurseThroughAllHasOneProperties(shopify, inlineModel);
}
}