public static QueryResult Build <T>(IQueryable <T> query, Type entityType, Clauses clauses, IList <Criteria> criterias, AutoQueryableProfile profile, bool countAllRows) where T : class
{
IColumnProvider columnProvider = ProviderFactory.GetColumnProvider(profile?.ProviderType);
IEnumerable <SelectColumn> selectColumns = columnProvider.GetSelectableColumns(clauses, profile, entityType);
IEnumerable <Column> orderColumns = OrderByHelper.GetOrderByColumns(profile, clauses.OrderBy, entityType);
IEnumerable <Column> orderDescColumns = OrderByHelper.GetOrderByColumns(profile, clauses.OrderByDesc, entityType);
if (criterias != null && criterias.Any())
{
query = query.Where(criterias);
}
var totalCount = 0;
if (countAllRows)
{
totalCount = query.Count();
}
if (orderColumns != null)
{
query = query.OrderBy(orderColumns);
}
else if (orderDescColumns != null)
{
query = query.OrderByDesc(orderDescColumns);
}
IQueryable <object> queryProjection;
if (clauses.Select == null && profile?.UnselectableProperties == null && profile?.SelectableProperties == null)
{
queryProjection = query;
}
else
{
if (profile.UseBaseType)
{
queryProjection = query.Select(SelectHelper.GetSelector <T, T>(selectColumns, profile));
}
else
{
queryProjection = query.Select(SelectHelper.GetSelector <T, object>(selectColumns, profile));
}
}
if (clauses.Skip != null)
{
int.TryParse(clauses.Skip.Value, out int skip);
if (profile?.MaxToSkip != null && skip > profile.MaxToSkip)
{
skip = profile.MaxToSkip.Value;
}
queryProjection = queryProjection.Skip(skip);
}
if (clauses.Top != null)
{
int.TryParse(clauses.Top.Value, out int take);
if (profile?.MaxToTake != null && take > profile?.MaxToTake)
{
take = profile.MaxToTake.Value;
}
queryProjection = queryProjection.Take(take);
}
else if (clauses.First != null)
{
return(new QueryResult {
Result = queryProjection.FirstOrDefault(), TotalCount = totalCount
});
}
else if (clauses.Last != null)
{
return(new QueryResult {
Result = queryProjection.LastOrDefault(), TotalCount = totalCount
});
}
else if (profile?.MaxToTake != null)
{
queryProjection = queryProjection.Take(profile.MaxToTake.Value);
}
return(new QueryResult {
Result = queryProjection, TotalCount = totalCount
});
}
public static IQueryable <dynamic> Build <T>(IClauseValueManager clauseValueManager, ICriteriaFilterManager criteriaFilterManager, IQueryable <T> query, ICollection <Criteria> criterias, IAutoQueryableProfile profile) where T : class
{
if (criterias != null && criterias.Any())
{
query = _addCriterias(criteriaFilterManager, query, criterias);
}
query = _addOrderBy(query, clauseValueManager.OrderBy, profile);
TotalCountQuery = query;
if (clauseValueManager.First)
{
query = query.Take(1);
}
else
{
query = _handlePaging(clauseValueManager, query, profile);
}
//if (profile?.MaxToTake != null)
//{
// queryProjection = profile.UseBaseType ? ((IQueryable<T>)queryProjection).Take(profile.MaxToTake.Value) : queryProjection.Take(profile.MaxToTake.Value);
//}
IQueryable <dynamic> queryProjection = query;
if (clauseValueManager.Select.Any() || profile?.UnselectableProperties != null || profile?.SelectableProperties != null)
{
if (profile != null)
{
if (profile.ToListBeforeSelect)
{
query = query.ToList().AsQueryable();
}
queryProjection = profile.UseBaseType ?
query.Select(SelectHelper.GetSelector <T, T>(clauseValueManager.Select, profile)) : query.Select(SelectHelper.GetSelector <T, object>(clauseValueManager.Select, profile));
}
}
return(queryProjection);
}
public static dynamic Build <T>(IClauseValueManager clauseValueManager, IQueryable <T> query, IAutoQueryableProfile profile) where T : class
{
var totalCountQuery = query;
query = _addOrderBy(query, clauseValueManager.OrderBy, profile);
if (clauseValueManager.First)
{
return(query.FirstOrDefault());
}
if (clauseValueManager.Last)
{
return(query.LastOrDefault());
}
query = _handlePaging(clauseValueManager, query, profile);
//if (profile?.MaxToTake != null)
//{
// queryProjection = profile.UseBaseType ? ((IQueryable<T>)queryProjection).Take(profile.MaxToTake.Value) : queryProjection.Take(profile.MaxToTake.Value);
//}
IQueryable <dynamic> queryProjection = query;
if (clauseValueManager.Select.Any() || profile?.UnselectableProperties != null || profile?.SelectableProperties != null)
{
if (profile != null)
{
if (profile.ToListBeforeSelect)
{
query = query.ToList().AsQueryable();
}
queryProjection = profile.UseBaseType ?
query.Select(SelectHelper.GetSelector <T, T>(clauseValueManager.Select, profile)) : query.Select(SelectHelper.GetSelector <T, object>(clauseValueManager.Select, profile));
}
}
return(queryProjection.HandleWrapping(clauseValueManager, totalCountQuery));
}