public Task BuildAsync <T>(QueryBuilderContext <T> ctx) where T : class, new()
{
var fieldValuesQuery = ctx.GetSourceAs <IFieldConditionsQuery>();
if (fieldValuesQuery?.FieldConditions == null || fieldValuesQuery.FieldConditions.Count <= 0)
{
return(Task.CompletedTask);
}
foreach (var fieldValue in fieldValuesQuery.FieldConditions)
{
switch (fieldValue.Operator)
{
case ComparisonOperator.Equals:
ctx.Filter &= new TermFilter {
Field = fieldValue.Field, Value = fieldValue.Value
};
break;
case ComparisonOperator.NotEquals:
ctx.Filter &= new NotFilter {
Filter = FilterContainer.From(new TermFilter {
Field = fieldValue.Field, Value = fieldValue.Value
})
};
break;
case ComparisonOperator.IsEmpty:
ctx.Filter &= new MissingFilter {
Field = fieldValue.Field
};
break;
case ComparisonOperator.HasValue:
ctx.Filter &= new ExistsFilter {
Field = fieldValue.Field
};
break;
}
}
return(Task.CompletedTask);
}
public override void BuildFilter <T>(object query, object options, ref FilterContainer container)
{
var fieldValuesQuery = query as IFieldConditionsQuery;
if (fieldValuesQuery?.FieldConditions == null || fieldValuesQuery.FieldConditions.Count <= 0)
{
return;
}
foreach (var fieldValue in fieldValuesQuery.FieldConditions)
{
switch (fieldValue.Operator)
{
case ComparisonOperator.Equals:
container &= new TermFilter {
Field = fieldValue.Field, Value = fieldValue.Value
};
break;
case ComparisonOperator.NotEquals:
container &= new NotFilter {
Filter = FilterContainer.From(new TermFilter {
Field = fieldValue.Field, Value = fieldValue.Value
})
};
break;
case ComparisonOperator.IsEmpty:
container &= new MissingFilter {
Field = fieldValue.Field
};
break;
case ComparisonOperator.HasValue:
container &= new ExistsFilter {
Field = fieldValue.Field
};
break;
}
}
}