private static void ProcessRecord
(
int mfn
)
{
connection.Database = MainDatabase;
MarcRecord mainRecord = connection.ReadRecord(mfn);
string linkValue = mainRecord.FM(LinkTag);
connection.Database = BackupDatabase;
MarcRecord backupRecord = connection.SearchReadOneRecord
(
"\"{0}{1}\"",
LinkPrefix,
linkValue
);
if (ReferenceEquals(backupRecord, null))
{
Console.WriteLine
(
"Не нашлось парной записи для MFN={0} ({1}{2})",
mfn,
LinkPrefix,
linkValue
);
Console.WriteLine(new string('=', 70));
return;
}
Console.WriteLine("MFN={0}", mfn);
RevisionInfo[] revisions = RevisionInfo.Parse(mainRecord)
.Where(rev => rev.Name != "avd")
.ToArray();
if (revisions.Length == 0)
{
Console.WriteLine("Запись без ревизий!");
Console.WriteLine(new string('=', 70));
return;
}
RevisionInfo lastRevision = revisions.Last();
DateTime lastEdit = IrbisDate.ConvertStringToDate(lastRevision.Date);
Console.WriteLine
(
"Последнее редактирование: {0} {1:d}",
lastRevision.Name,
lastEdit
);
if (lastEdit > ThresholdDate)
{
Console.WriteLine("Запись редактировалась, надо восстанавливать вручную");
Console.WriteLine(new string('=', 70));
return;
}
if (CompareRecords(mainRecord, backupRecord))
{
Console.WriteLine("Нет различий между MAIN и BACKUP");
goto DONE;
}
if (DoRestore)
{
RecordField[] residuaryFields = mainRecord.Fields
.Where(field => field.Tag.OneOf(ResiduaryTags))
.Select(field => field.Clone())
.ToArray();
RecordField[] backupFields = backupRecord.Fields
.Where(field => !field.Tag.OneOf(ResiduaryTags))
.Select(field => field.Clone())
.ToArray();
mainRecord.Fields.Clear();
mainRecord.Fields.AddRange(backupFields);
mainRecord.Fields.AddRange(residuaryFields);
Console.WriteLine
(
"Сформирована новая версия записи: {0} новых и {1} старых полей",
residuaryFields.Length,
backupFields.Length
);
connection.WriteRecord(mainRecord);
}
DONE:
Console.WriteLine(new string('=', 70));
Console.WriteLine();
}
