protected async virtual void OnSuccessfulResponse <T>(ChangesResponse <T> response, HttpResponseMessage httpResponse)
{
using (var content = await httpResponse.Content.ReadAsStreamAsync().ForAwait())
{
Serializer.Populate(response, content);
}
}
private void HandleRelativeChangesOfCollection(ModelAttributesInfo modelAttributesInfo,
KeyValuePair <Type, string> property, IGrouping <string, ChangeResponse> collectionChanges,
List <IPrefilterBase> prefilters, List <Subscription> equalCollectionSubscriptions)
{
List <ChangeResponse> completeChanges = CollectionChangeHelper.CalculateRelativeChanges(prefilters,
collectionChanges.ToList(), property);
Parallel.ForEach(equalCollectionSubscriptions, subscription =>
{
Task.Run(() =>
{
List <ChangeResponse> connectionChanges =
CollectionChangeHelper.CalculateRelativeAuthenticatedChanges(modelAttributesInfo,
completeChanges,
property, subscription.Connection.Information, serviceProvider);
ChangesResponse changesResponse = new ChangesResponse()
{
ReferenceId = subscription.ReferenceId,
Changes = connectionChanges.Select(change =>
{
object value =
change.Value.GetAuthenticatedQueryModel(subscription.Connection.Information,
serviceProvider);
return(change.CreateResponse(subscription.ReferenceId, value));
}).ToList()
};
if (changesResponse.Changes.Any())
{
_ = subscription.Connection.Send(changesResponse);
}
});
});
}
public virtual async void Materialize <T>(ChangesResponse <T> response, HttpResponseMessage httpResponse)
{
using (var content = await httpResponse.Content.ReadAsStreamAsync().ForAwait())
{
Serializer.Populate(response, content);
}
}
protected virtual void VerifyChanges <T>(ChangesResponse <T> previous, ChangesResponse <T> current, string expectedId, string expectedRev, bool shouldBeDeleted)
{
current.Should().BeSuccessfulGet();
var lastChange = current.Results.Select(c => new { NumericSeq = GetSeqNumber(c.Seq), Change = c }).OrderBy(i => i.NumericSeq).Last();
lastChange.Change.Id.Should().Be(expectedId);
lastChange.Change.Changes.Single().Rev.Should().Be(expectedRev);
lastChange.Change.Deleted.Should().Be(shouldBeDeleted);
}
private void AddDeletedDoc(BatchSet changeSet, ChangesResponse <string> .Row row, SyncLogItem logItem)
{
if (changeSet.DeletedDocuments == null)
{
changeSet.DeletedDocuments = new List <DeletedDocument>();
}
DeletedDocument delObj = new DeletedDocument()
{
Key = row.Id, Version = row.Changes[0].Rev
};
//check uploaded anchor- means cliet just uploaded this record and we should not return back
if (logItem != null && logItem.KeyVersion != null && logItem.KeyVersion.ContainsKey(delObj.Key) && logItem.KeyVersion[delObj.Key] == delObj.Version)
{
return;
}
changeSet.DeletedDocuments.Add(delObj);
}
private void AddChangedDoc(BatchSet changeSet, ChangesResponse <string> .Row row, SyncLogItem logItem, Filter query, MyCouch.Serialization.ISerializer serializer)
{
if (changeSet.ChangedDocuments == null)
{
changeSet.ChangedDocuments = new List <SiaqodbDocument>();
}
CouchDBDocument co = serializer.Deserialize <CouchDBDocument>(row.IncludedDoc);
if (co._id.StartsWith("_design/"))
{
return;
}
//check uploaded anchor- means cliet just uploaded this record and we should not return back
if (logItem != null && logItem.KeyVersion != null && logItem.KeyVersion.ContainsKey(co._id) && logItem.KeyVersion[co._id] == co._rev)
{
return;
}
if (OutOfFilter(query, co))
{
return;
}
changeSet.ChangedDocuments.Add(Mapper.ToSiaqodbDocument(co));
}
public static ChangesResponseAssertions <T> Should <T>(this ChangesResponse <T> response)
{
return(new ChangesResponseAssertions <T>(response));
}
public ChangesResponseAssertions(ChangesResponse <T> response)
{
Response = response;
}
public static String GetChangedObjectsTextInfo(this MassResponse_Changes changes)
{
ChangesResponse x = changes.Meta.Response;
return(String.Format("{0,8} records (from {1} till {2})", x.ObtainedRecords, x.FirstRecordTime, x.LastRecordTime));
}
protected virtual void MaterializeFailedResponse <T>(ChangesResponse <T> response, HttpResponseMessage httpResponse)
{
FailedResponseMaterializer.Materialize(response, httpResponse);
}
protected virtual void MaterializeSuccessfulResponse <T>(ChangesResponse <T> response, HttpResponseMessage httpResponse)
{
SuccessfulResponseMaterializer.Materialize(response, httpResponse);
}
private void AddDeletedDoc(BatchSet changeSet, ChangesResponse<string>.Row row, SyncLogItem logItem)
{
if (changeSet.DeletedDocuments == null)
changeSet.DeletedDocuments = new List<DeletedDocument>();
DeletedDocument delObj = new DeletedDocument() { Key = row.Id, Version = row.Changes[0].Rev };
//check uploaded anchor- means cliet just uploaded this record and we should not return back
if (logItem != null && logItem.KeyVersion != null && logItem.KeyVersion.ContainsKey(delObj.Key) && logItem.KeyVersion[delObj.Key] == delObj.Version)
return;
changeSet.DeletedDocuments.Add(delObj);
}
private void AddChangedDoc(BatchSet changeSet, ChangesResponse<string>.Row row, SyncLogItem logItem, Filter query, MyCouch.Serialization.ISerializer serializer)
{
if (changeSet.ChangedDocuments == null)
changeSet.ChangedDocuments = new List<SiaqodbDocument>();
CouchDBDocument co = serializer.Deserialize<CouchDBDocument>(row.IncludedDoc);
if (co._id.StartsWith("_design/"))
return;
//check uploaded anchor- means cliet just uploaded this record and we should not return back
if (logItem != null && logItem.KeyVersion != null && logItem.KeyVersion.ContainsKey(co._id) && logItem.KeyVersion[co._id] == co._rev)
return;
if (OutOfFilter(query, co))
return;
changeSet.ChangedDocuments.Add(Mapper.ToSiaqodbDocument(co));
}
public void HandleSubscription(CollectionSubscription subscription, Type dbContextType,
IServiceProvider requestServiceProvider, ConnectionBase connection, KeyValuePair <Type, string> property,
List <ChangeResponse> collectionChanges, List <ChangeResponse> allChanges)
{
try
{
bool anyCollectionChanges = collectionChanges.Any();
if ((anyCollectionChanges && subscription.Prefilters.Any(prefilter =>
prefilter is IAfterQueryPrefilter || prefilter is TakePrefilter || prefilter is SkipPrefilter)) ||
HasIncludePrefilterWithChange(subscription, allChanges))
{
SapphireDbContext db = dbContextAccessor.GetContext(dbContextType, requestServiceProvider);
IQueryable <object> collectionValues = db.GetCollectionValues(requestServiceProvider,
connection.Information, property, subscription.Prefilters);
IAfterQueryPrefilter afterQueryPrefilter =
subscription.Prefilters.OfType <IAfterQueryPrefilter>().FirstOrDefault();
if (afterQueryPrefilter != null)
{
afterQueryPrefilter.Initialize(property.Key);
_ = connection.Send(new QueryResponse()
{
ReferenceId = subscription.ReferenceId,
Result = afterQueryPrefilter.Execute(collectionValues)
});
}
else
{
_ = connection.Send(new QueryResponse()
{
ReferenceId = subscription.ReferenceId,
Result = collectionValues
.AsEnumerable()
.Select(v => v.GetAuthenticatedQueryModel(connection.Information, serviceProvider))
.ToList()
});
}
}
else if (anyCollectionChanges)
{
IEnumerable <WherePrefilter> wherePrefilters = subscription.Prefilters.OfType <WherePrefilter>();
List <ChangeResponse> oldValuesUnloadResponses = new List <ChangeResponse>();
List <ChangeResponse> newValuesLoadResponses = new List <ChangeResponse>();
foreach (WherePrefilter wherePrefilter in wherePrefilters)
{
wherePrefilter.Initialize(property.Key);
// Values that did change know do match the
oldValuesUnloadResponses.AddRange(
collectionChanges
.Where(change => change.State == ChangeResponse.ChangeState.Modified &&
!wherePrefilter.WhereExpressionCompiled(change.Value) &&
wherePrefilter.WhereExpressionCompiled(change.OriginalValue))
.Select(change =>
{
ChangeResponse newChangeResponse = change.CreateResponse(null, change.Value);
newChangeResponse.State = ChangeResponse.ChangeState.Deleted;
return(newChangeResponse);
})
);
newValuesLoadResponses.AddRange(
collectionChanges
.Where(change => change.State == ChangeResponse.ChangeState.Modified &&
wherePrefilter.WhereExpressionCompiled(change.Value) &&
!wherePrefilter.WhereExpressionCompiled(change.OriginalValue))
.Select(change =>
{
ChangeResponse newChangeResponse = change.CreateResponse(null, change.Value);
newChangeResponse.State = ChangeResponse.ChangeState.Added;
return(newChangeResponse);
})
);
collectionChanges = collectionChanges
.Where((change) => wherePrefilter.WhereExpressionCompiled(change.Value)).ToList();
}
IEnumerable <ChangeResponse> changesForWherePrefilter = oldValuesUnloadResponses
.Concat(newValuesLoadResponses)
.GroupBy(v => v.Value)
.Select(g => g.LastOrDefault());
collectionChanges = collectionChanges.Concat(changesForWherePrefilter).ToList();
ChangesResponse changesResponse = new ChangesResponse()
{
ReferenceId = subscription.ReferenceId,
Changes = collectionChanges.Select(change =>
{
object value =
change.Value.GetAuthenticatedQueryModel(connection.Information, requestServiceProvider);
return(change.CreateResponse(subscription.ReferenceId, value));
}).ToList()
};
if (changesResponse.Changes.Any())
{
_ = connection.Send(changesResponse);
}
}
}
catch (Exception ex)
{
SubscribeCommand tempErrorCommand = new SubscribeCommand()
{
CollectionName = subscription.CollectionName,
ReferenceId = subscription.ReferenceId,
Prefilters = subscription.Prefilters
};
_ = connection.Send(tempErrorCommand.CreateExceptionResponse <ResponseBase>(ex));
logger.LogError(
$"Error handling subscription '{subscription.ReferenceId}' of {subscription.CollectionName}");
logger.LogError(ex.Message);
}
}
