public Task CallAction(T instance, Expression <Func <SpecialAction> > actionPropertyLambda)
{
var memberExpression = actionPropertyLambda.Body as MemberExpression;
if (memberExpression == null)
{
throw new ShopifyConfigurationException("Please specify a flat expression specifying a SpecialAction property on the IResourceModel.");
}
var prop = memberExpression.Member as PropertyInfo;
if (prop == null)
{
throw new ShopifyConfigurationException("Expression specified to CallAction?() did not specify a property. This probably can't happen (because of type parameter to Func<>)?");
}
var type = typeof(T);
if (type != prop.ReflectedType && !type.IsSubclassOf(prop.ReflectedType))
{
throw new ShopifyConfigurationException("Expression specified to CallAction() specified a property on a different class than the IResourceModel type of this RestResource.");
}
if (instance.Id == null)
{
throw new ShopifyUsageException("Actions can only be called on models with an ID.");
}
var action = ShopifyAPIContext.Underscoreify(prop.Name);
return(CallAction(instance, action));
}
/// <summary>
/// Initializes a new instance of the <see
/// cref="ShopifyAPIAdapterLibrary.RestResource`1"/> class.
/// </summary>
/// <param name='name'>
/// The lowercase resource name, as it would appear in URIs.
/// Default is underscorized from the model type.
/// </param>
// TODO: put name back as an optional
public RestResource(IShopifyAPIContext context, string name = null)
{
Context = context;
if (name == null)
{
Name = ShopifyAPIContext.Underscoreify(typeof(T).Name);
}
else
{
Name = name;
}
}
protected override IList <JsonProperty> CreateProperties(Type type, MemberSerialization memberSerialization)
{
var properties = new List <JsonProperty>(base.CreateProperties(type, memberSerialization));
var hasOneAdIdProperties = new List <JsonProperty>();
properties.RemoveAll((prop) => {
// do not attempt to (de)serialize IHasManys
if (prop.PropertyType.IsGenericType && prop.PropertyType.GetGenericTypeDefinition() == typeof(IHasMany <>))
{
return(true);
}
// if we're (de)serializing the top-level Container object, perform our wrapper-object
// name transformation
if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Container <>))
{
// our Container type only has one property (the specially named per-resource property),
// so, we just presume to match all properties in Container.
prop.PropertyName = ResourceName;
return(false);
}
// is property a HasOne?
if (prop.PropertyType.IsGenericType && prop.PropertyType.GetGenericTypeDefinition() == typeof(IHasOne <>))
{
var underscorized = ShopifyAPIContext.Underscoreify(prop.PropertyName);
// get type argument of IHasOne
var hasOneTargetType = prop.PropertyType.GetGenericArguments();
// I was really hoping to avoid activator.createinstance... :(
Type hasOneInlineConverterType = typeof(HasOneInlineJsonConverter <>).MakeGenericType(hasOneTargetType);
var hasOneInlineConverter = Activator.CreateInstance(hasOneInlineConverterType);
Type hasOneAsIdConverterType = typeof(HasOneAsIdJsonConverter <>).MakeGenericType(hasOneTargetType);
var hasOneAsIdConverter = Activator.CreateInstance(hasOneAsIdConverterType);
// set the standard HasOneConverter
// TODO if we can de-genericify hasOneConverter, just set it up globally and get rid of this dynamic instantiation
prop.Converter = (JsonConverter)hasOneInlineConverter;
prop.MemberConverter = (JsonConverter)hasOneInlineConverter;
// create an additional property for the as-id deserialization (deserialization *only*) case
JsonProperty asIdProperty = new JsonProperty()
{
PropertyType = prop.PropertyType,
Ignored = false,
PropertyName = underscorized + "_id",
UnderlyingName = prop.UnderlyingName,
DeclaringType = prop.DeclaringType,
ValueProvider = prop.ValueProvider,
Readable = true,
Writable = true,
// Use the as-id converter
Converter = (JsonConverter)hasOneAsIdConverter,
MemberConverter = (JsonConverter)hasOneAsIdConverter
};
// make props:
// outgoing inline
// outgoing as id
// incoming inline
// incoming as id
// the outgoings should have ShouldSerializes that do the HasOne type check IN addition to the usual dirty check
// the incomings can be naiive, since the presence of either field in the incoming json makes the selection
// we should only serialize such properties as have changed.
prop.ShouldSerialize = (obj) =>
{
// TODO: https://trello.com/card/isfielddirty-if-called-on-inline-hasone-fields-should-return-true-if-the-contained-resource-model-is-at-all-dirty/50a1c9c990c4980e0600178b/58
var hasOneInstance = prop.ValueProvider.GetValue(obj);
if ((hasOneInstance as IHasOneInlineUntyped) == null)
{
return(false);
}
IResourceModel model = (IResourceModel)obj;
return(model.IsFieldDirty(prop.UnderlyingName));
};
asIdProperty.ShouldSerialize = (obj) =>
{
var hasOneInstance = prop.ValueProvider.GetValue(obj);
if ((hasOneInstance as IHasOneAsIdUntyped) == null)
{
return(false);
}
IResourceModel model = (IResourceModel)obj;
return(model.IsFieldDirty(asIdProperty.UnderlyingName));
};
// we add all of the created as=id property descriptors after,
// in order to avoid modifying the collection while RemoveAll is
// running
hasOneAdIdProperties.Add(asIdProperty);
return(false);
}
if (typeof(IGranularDirtiable).IsAssignableFrom(type))
{
// the main ID field should always be included
if (prop.PropertyName != "id")
{
prop.ShouldSerialize = (obj) =>
{
IGranularDirtiable model = (IGranularDirtiable)obj;
return(model.IsFieldDirty(prop.UnderlyingName));
};
}
}
return(false);
});
properties.AddRange(hasOneAdIdProperties);
return(properties);
}
protected override string ResolvePropertyName(string propertyName)
{
return(ShopifyAPIContext.Underscoreify(propertyName));
}