internal static MappedNestedResults CompileNestedResults(NestedResultsDefinition nestedResultsMapping, QueryDefinition queryParent)
{
if (nestedResultsMapping == null)
{
throw new ArgumentNullException("nestedResultsMapping cant be null");
}
if (!(queryParent is QueryWithNestedResultsDefinition))
{
throw new ArgumentException("No parent defintion of type QueryWithNestedResultsDefinition found");
}
MappedNestedResults newNestedResults = new MappedNestedResults(nestedResultsMapping.IdColumn);
var template = nestedResultsMapping.Template;
CompileProperties(template, newNestedResults, queryParent);
return(newNestedResults);
}
internal void WriteNestedResult(MappedProperty prop, MappedNestedResults mappedGroup, JsonTextWriter jsonWriter, RowSet rowSet, List <string> fieldNameList, ParentObject parent, IDictionary <string, object> context)
{
HashSet <object> ids = new HashSet <object>(rowSet.Rows.Select(r => r[mappedGroup.IdColumn]).Where(v => v != null && v != System.DBNull.Value));
if (ids.Count() > 0)
{
jsonWriter.WritePropertyName(prop.TargetPropertyName);
jsonWriter.WriteStartArray();
foreach (var currentId in ids)
{
var filteredRowSet = new RowSet(mappedGroup.IdColumn, rowSet.Rows.Where(r => r[mappedGroup.IdColumn].Equals(currentId)).ToList());
WriteJsonObject(mappedGroup, jsonWriter, rowSet.Rows.First(r => r[mappedGroup.IdColumn].Equals(currentId)), filteredRowSet, fieldNameList, parent, context);
}
jsonWriter.WriteEndArray();
}
}
public IJsonMappingBuilder NestedResults(string propertyName, string idColumn, Action <IJsonMappingBuilder> config)
{
if (propertyName == null)
{
throw new ArgumentNullException("propertyName cant be null");
}
if (idColumn == null)
{
throw new ArgumentNullException("idColumn cant be null");
}
if (config == null)
{
throw new ArgumentNullException("config cant be null");
}
AssertParentMappingHasType <MappedQueryWithNestedResults>(this, propertyName, "NestedResults");
var builder = new JsonMappingBuilder(this);
var mappedNestedResults = new MappedNestedResults(idColumn);
builder.Result = mappedNestedResults;
Result.MappedPropertyList.Add(new MappedProperty(propertyName, mappedNestedResults));
config(builder);
return(this);
}
