private void ProcessProperty(CatelType catelType, CatelTypeProperty modelProperty, CustomAttribute exposeAttribute)
{
var modelName = modelProperty.Name;
var viewModelPropertyName = (string)exposeAttribute.ConstructorArguments[0].Value;
var modelPropertyName = viewModelPropertyName;
if (exposeAttribute.ConstructorArguments.Count > 1)
{
modelPropertyName = (string)(exposeAttribute.ConstructorArguments[1].Value ?? viewModelPropertyName);
}
var isReadOnly = false;
var isReadOnlyProperty = (from property in exposeAttribute.Properties
where string.Equals(property.Name, "IsReadOnly")
select property).FirstOrDefault();
if (isReadOnlyProperty.Argument.Value != null)
{
isReadOnly = (bool)isReadOnlyProperty.Argument.Value;
}
// Check property definition on model
var modelType = modelProperty.PropertyDefinition.PropertyType;
var modelPropertyToMap = modelType.GetProperty(modelPropertyName);
if (modelPropertyToMap is null)
{
FodyEnvironment.WriteError($"Exposed property '{modelPropertyName}' does not exist on model '{modelType.FullName}', make sure to set the right mapping");
return;
}
var modelPropertyType = modelType.ResolveGenericPropertyType(modelPropertyToMap);
var viewModelPropertyDefinition = new PropertyDefinition(viewModelPropertyName, PropertyAttributes.None, FodyEnvironment.ModuleDefinition.ImportReference(modelPropertyType));
viewModelPropertyDefinition.DeclaringType = catelType.TypeDefinition;
catelType.TypeDefinition.Properties.Add(viewModelPropertyDefinition);
viewModelPropertyDefinition.MarkAsCompilerGenerated(_msCoreReferenceFinder);
var catelTypeProperty = new CatelTypeProperty(catelType.TypeDefinition, viewModelPropertyDefinition);
catelTypeProperty.IsReadOnly = isReadOnly;
var catelPropertyWeaver = new ModelBasePropertyWeaver(catelType, catelTypeProperty, _configuration, _moduleWeaver, _msCoreReferenceFinder);
catelPropertyWeaver.Execute(true);
var stringType = _msCoreReferenceFinder.GetCoreTypeReference("String");
var stringTypeDefinition = catelType.TypeDefinition.Module.ImportReference(stringType);
var attributeConstructor = catelType.TypeDefinition.Module.ImportReference(_viewModelToModelAttributeTypeDefinition.Constructor(false));
var viewModelToModelAttribute = new CustomAttribute(attributeConstructor);
viewModelToModelAttribute.ConstructorArguments.Add(new CustomAttributeArgument(stringTypeDefinition, modelName));
viewModelToModelAttribute.ConstructorArguments.Add(new CustomAttributeArgument(stringTypeDefinition, modelPropertyName));
viewModelPropertyDefinition.CustomAttributes.Add(viewModelToModelAttribute);
}
private void Process(List <CatelType> catelTypes)
{
foreach (var catelType in catelTypes)
{
FodyEnvironment.WriteDebug($"\tExecuting '{GetType().Name}' for '{catelType.TypeDefinition.FullName}'");
foreach (var propertyData in catelType.Properties)
{
var body = propertyData.PropertyDefinition.SetMethod.Body;
body.SimplifyMacros();
switch (catelType.Type)
{
case CatelTypeType.ViewModel:
case CatelTypeType.Model:
var modelBasePropertyWeaver = new ModelBasePropertyWeaver(catelType, propertyData, _configuration, _moduleWeaver, _msCoreReferenceFinder);
modelBasePropertyWeaver.Execute();
break;
case CatelTypeType.ObservableObject:
var observableObjectPropertyWeaver = new ObservableObjectPropertyWeaver(catelType, propertyData, _moduleWeaver, _msCoreReferenceFinder);
observableObjectPropertyWeaver.Execute();
break;
default:
break;
}
body.InitLocals = true;
body.OptimizeMacros();
}
if (_configuration.WeaveCalculatedProperties)
{
var onPropertyChangedWeaver = new OnPropertyChangedWeaver(catelType, _msCoreReferenceFinder);
onPropertyChangedWeaver.Execute();
}
// Note: for now this is disabled. In advanced scenarios (see unit test for ReplacesRaisePropertyChanged_Advanced), it somehow does
// not correctly replace the "leave_s" operand. The quick watch shows that the method is correctly updated, but the IL *and* the unit test
// both show incorrect execution
//var raisePropertyChangedWeaver = new RaisePropertyChangedWeaver(catelType, _msCoreReferenceFinder);
//raisePropertyChangedWeaver.Execute();
}
}
