/// <summary>
/// The full <see cref="ClasslessDTO"/> from thing.
/// </summary>
/// <param name="metaDataProvider">
/// An instance of <see cref="IMetaDataProvider"/> used to provide metadata (reflection) for a <see cref="CDP4Common.DTO.Thing"/>
/// </param>
/// <param name="thing">
/// The thing.
/// </param>
/// <typeparam name="T">
/// Of type <see cref="Thing"/>
/// </typeparam>
/// <returns>
/// The <see cref="ClasslessDTO"/>.
/// </returns>
/// <exception cref="ArgumentNullException">
/// If the provided <see cref="Thing"/> is null this exception is thrown.
/// </exception>
public static ClasslessDTO FullFromThing <T>(IMetaDataProvider metaDataProvider, T thing) where T : Thing
{
if (thing == null)
{
throw new ArgumentNullException(nameof(thing));
}
var classlesdto = new ClasslessDTO();
// the Iid and ClassKind properties are transferred automatically
classlesdto.Add("ClassKind", thing.ClassKind);
classlesdto.Add("Iid", thing.Iid);
var metainfo = metaDataProvider.GetMetaInfo(thing.ClassKind.ToString());
foreach (var property in metainfo.GetPropertyNameCollection())
{
var propertyMetadata = metainfo.GetPropertyMetaInfo(property);
if (property.Equals("Iid") || property.Equals("ClassKind") || propertyMetadata.IsDerived || !propertyMetadata.IsDataMember)
{
continue;
}
var propertyValue = metainfo.GetValue(property, thing);
if (propertyValue == null && !propertyMetadata.IsNullable)
{
propertyValue = string.Empty;
}
classlesdto.Add(property, propertyValue);
}
return(classlesdto);
}
/// <summary>
/// Given a <see cref="List{T}"/> of properties to add, populate this plain DTO from a <see cref="CDP4Common.DTO.Thing"/>. The Iid and Classkind are populated automatically and thus
/// do not require to be entered into the <paramref name="propertyList"/> variable. If <paramref name="propertyList"/> is null then only the Iid and ClassKind are passed.
/// </summary>
/// <typeparam name="T">
/// Of type <see cref="Thing"/>
/// </typeparam>
/// <param name="metaDataProvider">
/// An instance of <see cref="IMetaDataProvider"/> used to provide metadata (reflection) for a <see cref="CDP4Common.DTO.Thing"/>
/// </param>
/// <param name="thing">
/// The <see cref="Thing"/>, properties of which to use to populate this DTO with.
/// </param>
/// <param name="propertyList">
/// The list of names of property names to use to filter. Can be null to produce the simplest form with just Id and ClassKind
/// </param>
/// <returns>
/// The <see cref="ClasslessDTO"/>.
/// </returns>
public static ClasslessDTO FromThing <T>(IMetaDataProvider metaDataProvider, T thing, IEnumerable <string> propertyList = null) where T : Thing
{
if (thing == null)
{
throw new ArgumentNullException(nameof(thing));
}
var classlesdto = new ClasslessDTO();
// the Iid and ClassKind properties are transferred automatically
classlesdto.Add("ClassKind", thing.ClassKind);
classlesdto.Add("Iid", thing.Iid);
var metainfo = metaDataProvider.GetMetaInfo(thing.ClassKind.ToString());
// all other named properties
if (propertyList != null)
{
foreach (var property in propertyList)
{
// If Iid somehow gets included into the list just skip it
if (property.Equals("Iid") || property.Equals("ClassKind"))
{
continue;
}
var propertyMetadata = metainfo.GetPropertyMetaInfo(property);
if (!propertyMetadata.IsDerived && propertyMetadata.IsDataMember)
{
var propertyValue = metainfo.GetValue(property, thing);
if (propertyValue == null && !propertyMetadata.IsNullable)
{
propertyValue = string.Empty;
}
classlesdto.Add(property, propertyValue);
}
}
}
return(classlesdto);
}