public async Task <ElectronicAddress> FindAsync(ElectronicAddress electronicAddress, bool fullMatchOnly = true)
{
var isCollectionEmpty = await IsEmpty();
if (isCollectionEmpty)
{
return(null);
}
var filter = new BsonDocument();
var electronicAddressTask = await Collection().FindAsync(filter);
var list = await electronicAddressTask.ToListAsync();
var foundElectronicAddress = list.FirstOrDefault(e => e.Equals(electronicAddress));
if (!ReferenceEquals(foundElectronicAddress, null) || fullMatchOnly)
{
return(foundElectronicAddress);
}
foundElectronicAddress = list.FirstOrDefault(e => e.MinEquals(electronicAddress));
return(foundElectronicAddress);
}
public async Task <ObjectId> AddOrUpdateAsync(ElectronicAddress electronicAddress)
{
var upOpt = new UpdateOptions {
IsUpsert = true
};
var filter = Builders <ElectronicAddress> .Filter.Eq("id", electronicAddress.id);
var replaceResult = await Collection().ReplaceOneAsync(filter, electronicAddress, upOpt);
if (!replaceResult.IsAcknowledged)
{
return(ObjectId.Empty);
}
if (replaceResult.MatchedCount == 0)
{
return((ObjectId)replaceResult.UpsertedId);
}
return(electronicAddress.id.Value);
}
/// <summary>
/// Try a cascading series of attempts to get a matching entity
/// </summary>
/// <param name="electronicAddress"></param>
private async Task <ElectronicAddress> RefreshElectronicAddress(ElectronicAddress electronicAddress)
{
// First try by id
if (electronicAddress.id.HasValue && electronicAddress.id.Value != ObjectId.Empty)
{
var elecAddrById = await _electronicAddressRepository.GetAsync(electronicAddress.id.Value);
if (!ReferenceEquals(elecAddrById, null))
{
return(elecAddrById);
}
}
_entityRefreshNeeded = true;
// Then try a 'full' match
var elecAddrFull = await _electronicAddressRepository.FindAsync(electronicAddress, false);
if (!ReferenceEquals(elecAddrFull, null))
{
return(elecAddrFull);
}
// Try a 'min' match
var elecAddrMin = await _electronicAddressRepository.FindAsync(electronicAddress, true);
if (!ReferenceEquals(elecAddrMin, null))
{
// Merge any details from the supplied entity into the found one
return(elecAddrMin.Merge(electronicAddress));
}
// There is still no match then save the supplied entity first
electronicAddress.id = await _electronicAddressRepository.AddOrUpdateAsync(electronicAddress);
return(electronicAddress);
}