private async Task <int?> PushCoreAsync()
{
if (_familyId == null)
{
throw new InvalidOperationException("No familyId has been specified; the service must be initialized first with a valid familyId.");
}
var pushRequest = Dto.pushRequest(State);
if (pushRequest.IsSome())
{
var pushResponse = await _cosmos.PushAsync(_familyId, pushRequest.Value);
var import = Dto.changesAsImport(pushResponse);
if (import.IsSome())
{
var message = StateTypes.StateMessage.NewImport(import.Value);
State = StateModule.updateUsingStandardClock(message, State);
OnChange?.Invoke();
return(import.Value.EarliestTimestamp.AsNullable());
}
else
{
return(null);
}
}
else
{
return(null);
}
}
private async Task <int?> PushCoreAsync()
{
var pushRequest = Dto.pushRequest(State);
if (pushRequest.IsSome())
{
var pushResponse = await _cosmos.PushAsync(FamilyIdModule.serialize(State !.FamilyId), pushRequest.Value);
var import = Dto.changesAsImport(pushResponse);
if (import.IsSome())
{
var message = StateTypes.StateMessage.NewImport(import.Value);
State = StateModule.updateUsingStandardClock(message, State);
OnChange?.Invoke();
return(import.Value.EarliestTimestamp.AsNullable());
}
else
{
return(null);
}
}
else
{
return(null);
}
}
private async Task PullCoreAsync(int?after, int?before)
{
var pullResponse =
(after is null && before is null)
? await _cosmos.PullEverythingAsync(FamilyIdModule.serialize(State !.FamilyId))
: await _cosmos.PullIncrementalAsync(FamilyIdModule.serialize(State !.FamilyId), after ?? int.MinValue, before);
var import = Dto.changesAsImport(pullResponse);
if (import.IsSome())
{
var message = StateTypes.StateMessage.NewImport(import.Value);
State = StateModule.updateUsingStandardClock(message, State);
OnChange?.Invoke();
}
}
private async Task PullCoreAsync(int?after, int?before)
{
if (_familyId == null)
{
throw new InvalidOperationException("No familyId has been specified; the service must be initialized first with a valid familyId.");
}
var pullResponse =
(after is null && before is null)
? await _cosmos.PullEverythingAsync(_familyId)
: await _cosmos.PullIncrementalAsync(_familyId, after ?? int.MinValue, before);
var import = Dto.changesAsImport(pullResponse);
if (import.IsSome())
{
var message = StateTypes.StateMessage.NewImport(import.Value);
State = StateModule.updateUsingStandardClock(message, State);
OnChange?.Invoke();
}
}
public async Task CanPushThenPullSameNumberOfItems()
{
// Would be easier to test using F# since could compare the actual State variables
// with the eTag values removed
using var c = await CreateTargetAsync();
var stateA = StateModule.createSampleData(FamilyIdModule.anonymous, UserIdModule.anonymous);
await Dto.pushRequest(stateA).DoAsync(changes => c.PushAsync(_familyId, changes));
var pulledChanges = await c.PullEverythingAsync(_familyId);
var pulledChangesAsImport = Dto.changesAsImport(pulledChanges);
var stateB = StateModule.importChanges(pulledChangesAsImport.Value, stateA);
Assert.Equal(stateA.Items.Item.Count, stateB.Items.Item.Count);
Assert.Equal(stateA.Categories.Item.Count, stateB.Categories.Item.Count);
Assert.Equal(stateA.Stores.Item.Count, stateB.Stores.Item.Count);
Assert.Equal(stateA.NotSoldItems.Item.Count, stateB.NotSoldItems.Item.Count);
Assert.Equal(stateA.Purchases.Item.Count, stateB.Purchases.Item.Count);
}