public DynamicDataAggregation GroupBy(object groupBy)
{
var groupByColumns = new List <string>();
var aggregationClauses = new AggregationClauseCollection <object>();
if (groupBy is ODataExpression groupByExpression)
{
groupByColumns.Add(groupByExpression.Reference);
}
else
{
var objectType = groupBy.GetType();
var declaredProperties = objectType.GetDeclaredProperties();
foreach (var property in declaredProperties)
{
var propertyValue = property.GetValueEx(groupBy);
switch (propertyValue)
{
case ODataExpression oDataExpression:
groupByColumns.Add(oDataExpression.Reference);
break;
case ValueTuple <string, ODataExpression> aggregatedProperty:
aggregationClauses.Add(new AggregationClause <object>(property.Name, aggregatedProperty.Item2?.Reference, aggregatedProperty.Item1));
break;
}
}
}
_underlyingDataAggregationBuilder.Add(new GroupByClause <object>(groupByColumns, aggregationClauses));
return(this);
}
public DynamicDataAggregation Aggregate(object aggregation)
{
var aggregationClauses = new AggregationClauseCollection <object>();
var objectType = aggregation.GetType();
var declaredProperties = objectType.GetDeclaredProperties();
foreach (var property in declaredProperties)
{
var propertyValue = property.GetValue(aggregation);
if (propertyValue is ValueTuple <string, ODataExpression> aggregatedProperty)
{
aggregationClauses.Add(new AggregationClause <object>(property.Name, aggregatedProperty.Item2?.Reference, aggregatedProperty.Item1));
}
}
_underlyingDataAggregationBuilder.Add(aggregationClauses);
return(this);
}
internal GroupByClause(IEnumerable <string> columns, AggregationClauseCollection <T> aggregation = null)
{
_columns = columns;
_aggregation = aggregation;
}
