Fix bug where summary values blow up for sub-property expressions

Author: jehhynes

Build/CommonAssemblyInfo.cs

@@ -15,6 +15,6 @@
 //
 // You can specify all the values or you can default the Revision and Build Numbers
 // by using the '*' as shown below:
-[assembly: AssemblyVersion("3.2.6")]
-[assembly: AssemblyFileVersion("3.2.6")]
+[assembly: AssemblyVersion("3.2.7")]
+[assembly: AssemblyFileVersion("3.2.7")]
 //[assembly: AssemblyInformationalVersion("2.5-filters")]

Griddly.Mvc/GriddlyExtensions.cs

@@ -72,7 +72,11 @@ static void PopulateSummaryValue<T>(IEnumerable<T> data, GriddlyColumn c)
                 case SummaryAggregateFunction.Max:
                     try
                     {
-                        c.SummaryValue = data.AsQueryable().Aggregate(c.SummaryFunction.Value.ToString(), c.ExpressionString);
+                        IQueryable q = data.AsQueryable();
+                        if (c.ExpressionString.Contains("."))
+                            q = q.Select(c.ExpressionString.Substring(0, c.ExpressionString.LastIndexOf('.')));
+
+                        c.SummaryValue = q.Aggregate(c.SummaryFunction.Value.ToString(), c.ExpressionString.Split(new[] { '.' }).Last());
                     }
                     catch (Exception ex) when (ex.InnerException is ArgumentNullException)
                     {

Griddly.Mvc/Results/QueryableResult.cs

@@ -94,7 +94,12 @@ internal void PopulateSummaryValue(GriddlyColumn c)
                 case SummaryAggregateFunction.Max:
                     try
                     {
-                        c.SummaryValue = _result.Aggregate(c.SummaryFunction.Value.ToString(), c.ExpressionString);
+
+                        IQueryable q = _result;
+                        if (c.ExpressionString.Contains("."))
+                            q = q.Select(c.ExpressionString.Substring(0, c.ExpressionString.LastIndexOf('.')));
+
+                        c.SummaryValue = q.Aggregate(c.SummaryFunction.Value.ToString(), c.ExpressionString.Split(new[] { '.' }).Last());
                     }
                     catch (Exception ex) when (ex.InnerException is ArgumentNullException)
                     {