public TableMappingDefinition(SourceTable sourceTable, DestinationTable destinationTable, List<FieldMappingConfiguration> explicitMappings = null)
{
_sourceTable = sourceTable;
_destinationTable = destinationTable;
bool hasExplicitMappings = explicitMappings != null;
destinationTable.Fields.ForEach(f =>
{
try
{
if(hasExplicitMappings)
{
var mappingConfig = explicitMappings.SingleOrDefault(m => m.DestinationFieldName.Equals(f.Name, StringComparison.InvariantCultureIgnoreCase));
if (mappingConfig != null)
{
var sourceField = sourceTable.GetField(mappingConfig.SourceFieldName);
FieldMappingDefinitions.Add(new FieldMappingDefinition(sourceField, f, mappingConfig.Type) { BlobCategory = mappingConfig.BlobCategory, ForceValue = mappingConfig.ForceValue });
}
else
{
var sourceField = sourceTable.GetField(f.Name);
FieldMappingDefinitions.Add(new FieldMappingDefinition(sourceField, f));
}
}
else
{
var sourceField = sourceTable.GetField(f.Name);
FieldMappingDefinitions.Add(new FieldMappingDefinition(sourceField, f));
}
}
catch(MigrationException ex)
{
if(ex.ErrorCode == MigrationExceptionCodes.DATABASE_ERROR_FIELD_NOT_FOUND)
{
// TODO: write log
//Console.WriteLine(sourceTable.Name + " -> " + destinationTable.Name);
}
}
});
}
private bool CanMap(DestinationTable table)
{
bool result = true;
if (table.IsMapped)
{
result = false;
}
else
{
List<Reference> configIngoreReference = null;
if (this._ignoreCircleReferences.ContainsKey(table.Name))
{
configIngoreReference = this._ignoreCircleReferences[table.Name];
}
var referenceFields = table.Fields.Where(f => f.Type.HasFlag(FieldType.ForeignKey)).ToList();
foreach (Field field in referenceFields)
{
if (configIngoreReference != null && configIngoreReference.Any(r => r.ReferenceTableName.Equals(field.Reference.ReferenceTableName)))
{
continue;
}
DestinationTable referenceTable = _destinationDatabase.GetTable(field.Reference.ReferenceTableName);
if (referenceTable.IsMapped == false)
{
result = false;
break;
}
}
}
return result;
}