/// <summary>
/// Getting a set of data by given condition.
/// </summary>
/// <typeparam name="TKey"></typeparam>
/// <param name="skipCount"></param>
/// <param name="takeCount"></param>
/// <param name="filter"></param>
/// <param name="sortingExpression"></param>
/// <param name="sortDir"></param>
/// <param name="includeProperties"></param>
/// <returns>List<T></returns>
public async Task <List <T> > GetPage <TKey>(int skipCount, int takeCount, Expression <Func <T, bool> > filter, Expression <Func <T, TKey> > sortingExpression, CommonEnum.SortDirection sortDir = CommonEnum.SortDirection.Ascending, string includeProperties = "")
{
IQueryable <T> query = AppDbContext.Set <T>().Where(filter);
query = includeProperties.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
.Aggregate(query, (current, includeProperty) => current.Include(includeProperty));
switch (sortDir)
{
case CommonEnum.SortDirection.Ascending:
if (skipCount == 0)
{
query = query.OrderBy <T, TKey>(sortingExpression).Take(takeCount);
}
else
{
query = query.OrderBy <T, TKey>(sortingExpression).Skip(skipCount).Take(takeCount);
}
break;
case CommonEnum.SortDirection.Descending:
if (skipCount == 0)
{
query = query.OrderByDescending <T, TKey>(sortingExpression).Take(takeCount);
}
else
{
query = query.OrderByDescending <T, TKey>(sortingExpression).Skip(skipCount).Take(takeCount);
}
break;
default:
break;
}
return(await query.ToListAsync());
}
/// <summary>
/// Getting a set of data by given condition.
/// </summary>
/// <typeparam name="TKey"></typeparam>
/// <param name="skipCount"></param>
/// <param name="takeCount"></param>
/// <param name="filter"></param>
/// <param name="sortingExpression"></param>
/// <param name="sortDir"></param>
/// <param name="includeProperties"></param>
/// <returns>List<T></returns>
public async Task <List <T> > GetPage <TKey>(int skipCount, int takeCount, Expression <Func <T, bool> > filter, Expression <Func <T, TKey> > sortingExpression, CommonEnum.SortDirection sortDir = CommonEnum.SortDirection.Ascending, string includeProperties = "")
{
return(await RetrieveRepository.GetPage(skipCount, takeCount, filter, sortingExpression, sortDir, includeProperties));
}