private void FillCommandParameters(IHypermediaClientCommand commandInstance, JObject jAction, string commandName)
{
commandInstance.Name = commandName;
commandInstance.CanExecute = true;
var title = jAction["title"]?.Value <string>();
if (title == null)
{
title = string.Empty;
}
commandInstance.Title = title;
var uri = jAction["href"]?.Value <string>();
if (uri == null)
{
throw new Exception($"Siren action without href: '{commandName}'");
}
commandInstance.Uri = new Uri(uri);
var method = jAction["method"]?.Value <string>();
if (method == null)
{
method = "GET";
}
commandInstance.Method = method;
var jFields = jAction["fields"] as JArray;
if (!commandInstance.HasParameters && jFields != null)
{
throw new Exception($"hypermedia Command '{commandName}' has no parameter but hypermedia document indicates parameters.");
}
if (jFields == null)
{
if (commandInstance.HasParameters)
{
throw new Exception($"hypermedia Command '{commandName}' has parameter but hypermedia document has not.");
}
return;
}
foreach (var jField in jFields)
{
var parameterDescription = new ParameterDescription();
parameterDescription.Name = jField["name"].Value <string>();
parameterDescription.Type = jField["type"].Value <string>();
parameterDescription.Classes = jField["class"]?.Values <string>().ToList(); // todo optional but not save, or check annotation on class
commandInstance.ParameterDescriptions.Add(parameterDescription);
}
}
public IHypermediaClientCommand Create(Type commandInterfaceType)
{
Type lookupType;
IHypermediaClientCommand instance = null;
var isGenericType = commandInterfaceType.GetTypeInfo().IsGenericType;
if (isGenericType)
{
var genericTypeDefinition = commandInterfaceType.GetGenericTypeDefinition();
var genericTypeArguments = commandInterfaceType.GetGenericArguments();
lookupType = genericTypeDefinition;
Type commandType;
if (!InterfaceImplementationLookup.TryGetValue(lookupType, out commandType))
{
throw new Exception($"Requested command interface type not found '{commandInterfaceType.Name}' ");
}
var constructedType = commandType.MakeGenericType(genericTypeArguments);
instance = (IHypermediaClientCommand)Activator.CreateInstance(constructedType);
}
else
{
lookupType = commandInterfaceType;
Type commandType;
if (!InterfaceImplementationLookup.TryGetValue(lookupType, out commandType))
{
throw new Exception($"Requested command interface type not found '{commandInterfaceType.Name}' ");
}
instance = (IHypermediaClientCommand)Activator.CreateInstance(commandType);
}
return(instance);
}
private void FillCommandParameters(
IHypermediaClientCommand commandInstance,
IToken action,
string commandName,
IHypermediaResolver resolver)
{
commandInstance.Name = commandName;
commandInstance.CanExecute = true;
commandInstance.Resolver = resolver;
var title = action["title"]?.ValueAsString();
if (title == null)
{
title = string.Empty;
}
commandInstance.Title = title;
var uri = action["href"]?.ValueAsString();
if (uri == null)
{
throw new Exception($"Siren action without href: '{commandName}'");
}
commandInstance.Uri = new Uri(uri);
var method = action["method"]?.ValueAsString();
if (method == null)
{
method = "GET";
}
commandInstance.Method = method;
var fields = action["fields"];
if (!commandInstance.HasParameters && fields != null)
{
throw new Exception($"hypermedia Command '{commandName}' has no parameter but hypermedia document indicates parameters.");
}
if (fields == null)
{
if (commandInstance.HasParameters)
{
throw new Exception($"hypermedia Command '{commandName}' has parameter but hypermedia document has not.");
}
return;
}
foreach (var field in fields)
{
var parameterDescription = new ParameterDescription
{
Name = field["name"].ValueAsString(),
Type = field["type"].ValueAsString(),
Classes = field["class"]?.ChildrenAsStrings().ToList(),
};
// todo optional but not save, or check annotation on class
commandInstance.ParameterDescriptions.Add(parameterDescription);
}
}
