public static string GetValueOrDefault(this IList <MetaDataModel> metaDataList, string name)
{
ValidationHelper.ArgumentNotNull(metaDataList, nameof(metaDataList));
ValidationHelper.ArgumentNotNullOrEmpty(name, nameof(name));
var existing = metaDataList.SingleOrDefault(x => x.Name == name);
if (existing == null)
{
return(string.Empty);
}
return(existing.Value);
}
public static IList <MetaDataModel> AddOrUpdate(this IList <MetaDataModel> metaDataList, string name, string type, string value)
{
ValidationHelper.ArgumentNotNull(metaDataList, nameof(metaDataList));
ValidationHelper.ArgumentNotNullOrEmpty(name, nameof(name));
// null or empty value is permitted
var existing = metaDataList.SingleOrDefault(x => x.Name == name);
if (existing != null)
{
existing.Type = type;
existing.Value = value;
}
else
{
metaDataList.Add(new MetaDataModel
{
Name = name,
Type = type,
Value = value
});
}
return(metaDataList);
}