//public void SetData(IEnumerable<string> fieldsToSet, Dictionary<string, Tuple<ISelectQuery, Dictionary<string, string>>> queries, DataRow row)
//{
// if (!IsEditable)
// {
// throw new ReadOnlyException("Cannot call SetData on a read-only Data Object");
// }
// SchemaObject schemaObject = Schema.Schema.GetSchemaObject(GetType());
// foreach (IGrouping<string, string> fieldByPath in fieldsToSet.GroupBy(field =>
// {
// if (field.Contains("."))
// {
// return field.Substring(0, field.LastIndexOf('.'));
// }
// return string.Empty;
// }))
// {
// DataObject objectToSetValueOn = this;
// if (fieldByPath.Key.Contains("."))
// {
// string[] parts = fieldByPath.Key.Split('.');
// SchemaObject lastSchemaObject = schemaObject;
// for (int i = 0; i < parts.Length - 1; i++)
// {
// Relationship relationship = lastSchemaObject.GetRelationship(parts[i]);
// if (relationship != null)
// {
// DataObject relatedDataObject = relationship.GetValue(objectToSetValueOn);
// if (relatedDataObject == null)
// {
// relatedDataObject = (DataObject)Activator.CreateInstance(relationship.RelatedObjectType);
// relationship.SetPrivateDataCallback(objectToSetValueOn, relatedDataObject);
// }
// objectToSetValueOn = relatedDataObject;
// lastSchemaObject = relationship.RelatedSchemaObject;
// }
// else if (lastSchemaObject.GetRelationshipList(parts[i]) != null)
// {
// break;
// }
// }
// }
// string fieldAlias = tableAliasesByFieldPath[fieldByPath.Key];
// foreach (string field in fieldByPath)
// {
// string fieldName = field;
// if (fieldName.Contains('.'))
// {
// fieldName = fieldName.Substring(fieldName.LastIndexOf('.') + 1);
// }
// string columnName = $"{fieldAlias}_{fieldName}";
// object databaseValue = row[columnName];
// databaseValue = databaseValue == DBNull.Value ? null : databaseValue;
// Schema.Field schemaField = schemaObject.GetField(field);
// schemaField.SetPrivateDataCallback(objectToSetValueOn, databaseValue);
// }
// }
//}
public void SetData(IEnumerable <string> fieldsToSet, Dictionary <string, Tuple <ISelectQuery, Dictionary <string, string> > > queries, DataRow outerObjectRow)
{
IEnumerable <string> fieldsWeCanDoSomethingAbout = fieldsToSet.Where(field => !queries.Keys.Where(k => !string.IsNullOrEmpty(k)).Any(reverseFieldPath => field.StartsWith(reverseFieldPath)));
IEnumerable <IGrouping <string, string> > fieldsByFieldPath = fieldsWeCanDoSomethingAbout.OrderBy(field => field).GroupBy(field => field.Contains('.') ? field.Substring(0, field.LastIndexOf('.')) : "");
// Load in all parent relationships
foreach (IGrouping <string, string> fieldGroup in fieldsByFieldPath.Where(group => !string.IsNullOrEmpty(group.Key)))
{
SchemaObject currentSchemaObject = Schema.Schema.GetSchemaObject(GetType());
DataObject currentObject = this;
string[] fieldPathParts = fieldGroup.Key.Split('.');
for (int i = 0; i < fieldPathParts.Length; i++)
{
Relationship relationship = currentSchemaObject.GetRelationship(fieldPathParts[i]);
DataObject relatedObject = relationship.GetValue(this);
if (relatedObject == null)
{
relatedObject = (DataObject)Activator.CreateInstance(relationship.RelatedObjectType);
relatedObject.isEditable = false;
relationship.SetPrivateDataCallback(currentObject, relatedObject);
}
currentSchemaObject = relationship.RelatedSchemaObject;
currentObject = relatedObject;
}
}
Dictionary <string, string> tableAliasesForOuterRow = queries[""].Item2;
// Set data on this object or parent objects
foreach (IGrouping <string, string> fieldGroup in fieldsByFieldPath)
{
string tableAlias = tableAliasesForOuterRow[fieldGroup.Key];
DataObject dataObjectToSet = this;
SchemaObject schemaObjectToSet = Schema.Schema.GetSchemaObject(GetType());
if (!string.IsNullOrEmpty(fieldGroup.Key))
{
string[] fieldPathParts = fieldGroup.Key.Split('.');
for (int i = 0; i < fieldPathParts.Length; i++)
{
Relationship relationship = schemaObjectToSet.GetRelationship(fieldPathParts[i]);
dataObjectToSet = relationship.GetValue(dataObjectToSet);
schemaObjectToSet = Schema.Schema.GetSchemaObject(dataObjectToSet.GetType());
}
}
foreach (string field in fieldGroup)
{
string fieldToSet = field;
if (fieldToSet.Contains('.'))
{
fieldToSet = fieldToSet.Substring(fieldToSet.LastIndexOf('.') + 1);
}
object value = outerObjectRow[$"{tableAlias}_{fieldToSet}"];
Schema.Field schemaField = schemaObjectToSet.GetField(fieldToSet);
schemaField.SetPrivateDataCallback(dataObjectToSet, value);
}
}
// Set data for reverse relationships
HashSet <string> handledReverseRelationships = new HashSet <string>();
foreach (string reverseRelationship in queries.Keys.Where(key => !string.IsNullOrEmpty(key)))
{
string[] reverseRelationshipParts = reverseRelationship.Split('.');
DataObject parentObject = this;
SchemaObject parentSchemaObject = Schema.Schema.GetSchemaObject(GetType());
string reverseRelationshipWeCanDoSomethingAbout = "";
RelationshipList relationshipList = null;
for (int i = 0; i < reverseRelationshipParts.Length; i++)
{
Relationship relationship = parentSchemaObject.GetRelationship(reverseRelationshipParts[i]);
if (relationship != null)
{
parentObject = relationship.GetValue(parentObject);
parentSchemaObject = relationship.RelatedSchemaObject;
reverseRelationshipWeCanDoSomethingAbout += relationship.RelatedSchemaObject.ObjectName + ".";
}
else
{
relationshipList = parentSchemaObject.GetRelationshipList(reverseRelationshipParts[i]);
reverseRelationshipWeCanDoSomethingAbout += relationshipList.RelationshipListName + ".";
break;
}
}
if (!handledReverseRelationships.Add(reverseRelationshipWeCanDoSomethingAbout))
{
continue;
}
long? primaryKey = parentObject.PrimaryKeyField.GetValue(parentObject) as long?;
ISelectQuery query = queries[reverseRelationshipWeCanDoSomethingAbout].Item1;
Condition primaryKeyCondition = new Condition()
{
Left = (Base.Data.Operand.Field)relationshipList.ForeignKeyName,
ConditionType = Condition.ConditionTypes.Equal,
Right = new Literal(primaryKey)
};
ICondition previousQueryCondition = query.WhereCondition;
if (query.WhereCondition != null)
{
ConditionGroup conditionGroup = new ConditionGroup()
{
ConditionGroupType = ConditionGroup.ConditionGroupTypes.And,
Conditions = new List <ICondition>()
{
query.WhereCondition, primaryKeyCondition
}
};
query.WhereCondition = conditionGroup;
}
else
{
query.WhereCondition = primaryKeyCondition;
}
HashSet <string> childFieldsToSet = fieldsToSet.Where(f => f.StartsWith(reverseRelationshipWeCanDoSomethingAbout)).Select(f => f.Replace(reverseRelationshipWeCanDoSomethingAbout, "")).ToHashSet();
childFieldsToSet.Add(relationshipList.RelatedSchemaObject.PrimaryKeyField.FieldName);
Dictionary <string, Tuple <ISelectQuery, Dictionary <string, string> > > childQueries = new Dictionary <string, Tuple <ISelectQuery, Dictionary <string, string> > >();
foreach (KeyValuePair <string, Tuple <ISelectQuery, Dictionary <string, string> > > childQuery in queries.Where(kvp => kvp.Key.StartsWith(reverseRelationshipWeCanDoSomethingAbout)))
{
childQueries.Add(childQuery.Key.Replace(reverseRelationshipWeCanDoSomethingAbout, ""), childQuery.Value);
}
object reverseRelationshipList = relationshipList.GetPrivateDataCallback(parentObject);
MethodInfo addMethod = reverseRelationshipList.GetType().GetMethod("Add", new Type[] { relationshipList.RelatedObjectType });
DataTable results = query.Execute(null);
query.WhereCondition = previousQueryCondition;
foreach (DataRow row in results.Rows)
{
DataObject childObject = (DataObject)Activator.CreateInstance(relationshipList.RelatedObjectType);
childObject.isEditable = false;
childObject.SetData(childFieldsToSet, childQueries, row);
addMethod.Invoke(reverseRelationshipList, new object[] { childObject });
}
parentObject.retrievedPaths.Add(relationshipList.RelationshipListName);
}
}
