Catel.Fody.Weaving.ExposedProperties.ExposedPropertiesWeaver.ProcessProperty C# (CSharp) Method

        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);
            }

            bool 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 == null)
            {
                FodyEnvironment.LogError($"Exposed property '{modelPropertyName}' does not exist on model '{modelType.FullName}', make sure to set the right mapping");
                return;
            }

            var modelPropertyType = modelPropertyToMap.PropertyType;

            var viewModelPropertyDefinition = new PropertyDefinition(viewModelPropertyName, PropertyAttributes.None, FodyEnvironment.ModuleDefinition.Import(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 CatelPropertyWeaver(catelType, catelTypeProperty, _msCoreReferenceFinder);
            catelPropertyWeaver.Execute(true);

            var stringType = _msCoreReferenceFinder.GetCoreTypeReference("String");
            var stringTypeDefinition = catelType.TypeDefinition.Module.Import(stringType);

            var attributeConstructor = catelType.TypeDefinition.Module.Import(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);
        }
    }