/// <summary>
/// Gets a mapping from a metadata field with multiple values on <see cref="ContentData"/> to a property on an instance of T.
/// </summary>
/// <typeparam name="T">The type that is being mapped to.</typeparam>
/// <param name="propertyInfo">The property on T.</param>
/// <param name="fieldName">The name of the metadata field with multiple values to map.</param>
/// <returns>An <see cref="Action"/> that maps a single metadata field on <see cref="ContentData"/> to a single property on an instance of T.</returns>
private static Action <ContentData, T> GetEnumerableMapping <T>(PropertyInfo propertyInfo, string fieldName) where T : new()
{
var mapToPropertyType = StringMapper.GetEnumerableMapping(propertyInfo.PropertyType);
var setProperty = ExpressionUtil.GetPropertySetter <T>(propertyInfo);
return((contentData, t) =>
{
var metadata = GetMetadata(contentData, fieldName);
var rawValues = metadata.Text.Split(metadata.Separator[0]);
var values = mapToPropertyType(rawValues);
setProperty(t, values);
});
}
/// <summary>
/// Gets a mapping from multiple matching elements Smart Form XML elements to a property on an instance of T.
/// </summary>
/// <typeparam name="T">The type being mapped to.</typeparam>
/// <param name="propertyInfo">The property on T being mapped to.</param>
/// <param name="xpath">The xpath for the field values being mapped.</param>
/// <returns>An <see cref="Action"/> that maps an multiple matching fields from the Smart Form XML to a property on an instance of T.</returns>
private static Action <XNode, T> GetEnumerableMapping <T>(PropertyInfo propertyInfo, string xpath) where T : new()
{
var mapToPropertyType = StringMapper.GetEnumerableMapping(propertyInfo.PropertyType);
var setProperty = ExpressionUtil.GetPropertySetter <T>(propertyInfo);
return((xml, t) =>
{
var elements = xml.XPathSelectElements(xpath).ToList();
if (!elements.Any())
{
return;
}
var rawValues = elements.Select(GetXmlInnerText).ToList();
var values = mapToPropertyType(rawValues);
setProperty(t, values);
});
}