public virtual void SaveLocalizedValue <T, TPropType>(T entity, Expression <Func <T, TPropType> > keySelector, TPropType localeValue, int languageId)
where T : IEntity, ILocalizedEntity
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
if (languageId == 0)
{
throw new ArgumentOutOfRangeException("languageId", "Language ID should not be 0");
}
var member = keySelector.Body as MemberExpression;
if (member == null)
{
throw new ArgumentException(string.Format(
"Expression '{0}' refers to a method, not a property.",
keySelector));
}
var propInfo = member.Member as PropertyInfo;
if (propInfo == null)
{
throw new ArgumentException(string.Format(
"Expression '{0}' refers to a field, not a property.",
keySelector));
}
string localeKeyGroup = typeof(T).Name;
string localeKey = propInfo.Name;
var props = _localizedEntityWebApi.GetLocalizedProperties(entity.Id, localeKeyGroup).GetAwaiter().GetResult();
var prop = props.FirstOrDefault(lp => lp.LanguageId == languageId &&
lp.LocaleKey.Equals(localeKey, StringComparison.InvariantCultureIgnoreCase)); //should be culture invariant
string localeValueStr = CommonHelper.To <string>(localeValue);
if (prop != null)
{
if (string.IsNullOrWhiteSpace(localeValueStr))
{
//delete
_localizedEntityWebApi.DeleteLocalizedProperty(prop.Id).GetAwaiter().GetResult();
}
else
{
//update
prop.LocaleValue = localeValueStr;
_localizedEntityWebApi.UpdateLocalizedProperty(prop.Id, prop).GetAwaiter().GetResult();
}
}
else
{
if (!string.IsNullOrWhiteSpace(localeValueStr))
{
//insert
prop = new LocalizedProperty()
{
EntityId = entity.Id,
LanguageId = languageId,
LocaleKey = localeKey,
LocaleKeyGroup = localeKeyGroup,
LocaleValue = localeValueStr
};
_localizedEntityWebApi.InsertLocalizedProperty(prop).GetAwaiter().GetResult();
}
}
}
