public static TPropType GetArticleAttribute <TPropType>(this IArticleAttributeService genericAttributeService, string entityName, int entityId, string key, int siteId = 0)
{
Guard.ArgumentNotNull(() => genericAttributeService);
Guard.ArgumentNotEmpty(() => entityName);
var props = genericAttributeService.GetAttributesForEntity(entityId, entityName);
// little hack here (only for unit testing). we should write expect-return rules in unit tests for such cases
if (props == null)
{
return(default(TPropType));
}
//if (!props.Any(x => x.SiteId == siteId))
//{
// return default(TPropType);
//}
var prop = props.FirstOrDefault(ga => ga.Key.Equals(key, StringComparison.InvariantCultureIgnoreCase)); //should be culture invariant
if (prop == null || prop.Value.IsEmpty())
{
return(default(TPropType));
}
return(prop.Value.Convert <TPropType>());
}