private T Single(string field, BsonValue value, bool errorIfMissing)
{
using (var db = _db.OpenRead())
{
var coll = GetCollection(db);
if (coll.Count() == 0)
{
return(DefaultOrThrow(field, value, errorIfMissing));
}
var matches = coll.Find(Query.EQ(field, value));
if (!matches.Any())
{
return(DefaultOrThrow(field, value, errorIfMissing));
}
if (matches.Count() > 1)
{
throw DuplicateRecordsException.For(matches, field, value);
}
return(matches.Single());
}
}
internal static void RejectDuplicateRecord <T>(this ISimpleRepo <T> repo, Func <T, bool> predicate, string field, T record, Func <T, int> idGetter = null)
//where T : IDocumentDTO
{
var matches = repo.GetAll().Where(predicate);
if (!matches.Any())
{
return;
}
if (matches.Count() > 1)
{
throw DuplicateRecordsException
.For(matches, field, record.ToString());
}
if (matches.Count() == 1 && idGetter != null)
{
var recId = idGetter(record);
var matchId = idGetter(matches.Single());
if (recId == matchId)
{
return;
}
}
throw DuplicateRecordsException
.For(matches, field, record.ToString());
}
private FundRequestDTO FindInactiveRequest(ChequeVoucherDTO chq)
{
var matches = InactiveRequests.Find(_ => _.SerialNum == chq.Request.SerialNum);
if (!matches.Any())
{
//throw No.Match<FundRequestDTO>("SerialNum", chq.Request.SerialNum);
InactiveRequests.Insert(chq.Request);
return(FindInactiveRequest(chq));
}
if (matches.Count() > 1)
{
throw DuplicateRecordsException.For(matches, "SerialNum", chq.Request.SerialNum);
}
return(matches.Single());
}
public CollectorDTO CollectorByName(string collectorName, bool errorIfNoMatch = true)
{
var matches = _colctrsById.Values.Where(_ => _.Name == collectorName);
if (matches.Count() == 1)
{
return(matches.First());
}
if (matches.Count() > 1)
{
DuplicateRecordsException.For(matches, "Name", collectorName);
}
if (!errorIfNoMatch)
{
return(null);
}
throw No.Match <CollectorDTO>("Name", collectorName);
}
