public static PagedData GetCommonPageData(DbContext db, string viewName, QueryDescriptor descriptor)
{
string sortName = descriptor.SortName;
string text = descriptor.SortOrder;
bool flag = false;
bool flag2 = false;
if (descriptor.PageIndex.HasValue && descriptor.PageSize.HasValue)
{
flag2 = true;
if (descriptor.PageSize == 0L)
{
descriptor.PageSize = 20L;
}
}
if (!StringExtensions.IsNullOrEmpty(sortName))
{
flag = true;
text = ((StringExtensions.IsNullOrEmpty(text) || StringExtensions.EqualsTo(text, "asc")) ? "asc" : "desc");
}
FilterTranslator filterTranslator = new FilterTranslator();
if (descriptor.Condition != null)
{
filterTranslator.Group = descriptor.Condition;
}
filterTranslator.Translate();
string commandText = filterTranslator.CommandText;
int num = 0;
if (flag2)
{
commandText = (string.IsNullOrEmpty(commandText) ? "" : ("where " + commandText));
commandText = string.Format("SELECT * FROM (SELECT ROW_NUMBER() OVER (order by {1} {2}) peta_rn, * FROM [{0}] {3} ) peta_paged WHERE peta_rn> {4} AND peta_rn<= {5}", viewName, sortName ?? "ID", text, commandText, (descriptor.PageIndex.Value - 1L) * descriptor.PageSize.Value, descriptor.PageIndex.Value * descriptor.PageSize.Value);
num = db.ExecuteScalar <int>("select count(*) from " + viewName + " " + (string.IsNullOrEmpty(filterTranslator.CommandText) ? "" : (" where " + filterTranslator.CommandText)), new object[1]
{
filterTranslator.Parms
});
}
else
{
commandText = (string.IsNullOrEmpty(commandText) ? "" : ("where " + commandText));
if (flag)
{
commandText += string.Format(" order by {0} {1}", sortName, text);
}
commandText = "select * from " + viewName + " " + commandText;
}
DataTable dataTable = new DataTable();
db.Fill(dataTable, commandText, new object[1]
{
filterTranslator.Parms
});
List <Dictionary <string, object> > list = new List <Dictionary <string, object> >();
foreach (DataRow row in dataTable.Rows)
{
Dictionary <string, object> dictionary = new Dictionary <string, object>();
foreach (DataColumn column in dataTable.Columns)
{
dictionary.Add(column.ColumnName, row[column.ColumnName]);
}
list.Add(dictionary);
}
if (!flag2)
{
num = list.Count;
}
return(new PagedData(list, num));
}