public List <ColumnMetaData> GetColumnsMetaData(List <ColumnHeader> columnHeaders)
{
List <ColumnMetaData> metaDataAllList = null;
lock (thisLock)
{
metaDataAllList = _cache.Get <List <ColumnMetaData> >(CacheKeys.TitleMetaData.ToString());
if (metaDataAllList == null || metaDataAllList.Count == 0)
{
metaDataAllList = _metaDataRepository.GetColumnsMetaData();
_cache.Set(CacheKeys.TitleMetaData.ToString(), metaDataAllList, new MemoryCacheEntryOptions
{
Priority = CacheItemPriority.High,
AbsoluteExpiration = DateTimeOffset.Now.AddDays(4)
});
}
}
var result = new List <ColumnMetaData>();
foreach (var columnHeader in columnHeaders)
{
var metaData = metaDataAllList.FirstOrDefault(m => m.Key == columnHeader.ColumnName.Trim());
if (metaData == null)
{
metaData = new ColumnMetaData {
Key = columnHeader.ColumnName, Name = columnHeader.ColumnName, Title = ""
};
}
if (string.IsNullOrEmpty(metaData.Name))
{
metaData.Name = columnHeader.ColumnName;
}
metaData.Field = columnHeader.Field;
//if (!result.Any(fn => fn.ColumnName == metaData.ColumnName && fn.Field == metaData.Field))
result.Add(metaData);
}
return(result);
}