public TailViewStateControllerFactory([NotNull] IStateBucketService stateBucketService,
[NotNull] ISchedulerProvider schedulerProvider,
[NotNull] ISearchStateToMetadataMapper searchStateToMetadataMapper,
[NotNull] ILogFactory loggerFactory)
{
if (stateBucketService == null)
{
throw new ArgumentNullException(nameof(stateBucketService));
}
if (schedulerProvider == null)
{
throw new ArgumentNullException(nameof(schedulerProvider));
}
if (searchStateToMetadataMapper == null)
{
throw new ArgumentNullException(nameof(searchStateToMetadataMapper));
}
if (loggerFactory == null)
{
throw new ArgumentNullException(nameof(loggerFactory));
}
_stateBucketService = stateBucketService;
_schedulerProvider = schedulerProvider;
_searchStateToMetadataMapper = searchStateToMetadataMapper;
_loggerFactory = loggerFactory;
}
public GlobalSearchOptions(ISearchMetadataCollection metadata,
ISearchStateToMetadataMapper converter,
ISetting<SearchState[]> searchStateSettings)
{
Metadata = metadata;
var loader = searchStateSettings.Value
.Take(1)
.Select(items => items.Select(state => converter.Map(state,true)))
.Subscribe(metadata.Add);
var writer = metadata.Metadata.Connect()
.ToCollection()
.Select(metaData => metaData.ToArray())
.Throttle(TimeSpan.FromMilliseconds(250))
.Select(searchStateItems => searchStateItems.Select(converter.Map).ToArray())
.Subscribe(searchStateSettings.Write);
_cleanUp = new CompositeDisposable(loader, writer);
}
public GlobalSearchOptions(ISearchMetadataCollection metadata,
ISearchStateToMetadataMapper converter,
ISetting <SearchState[]> searchStateSettings)
{
Metadata = metadata;
var loader = searchStateSettings.Value
.Take(1)
.Select(items => items.Select(state => converter.Map(state, true)))
.Subscribe(metadata.Add);
var writer = metadata.Metadata.Connect()
.ToCollection()
.Select(metaData => metaData.ToArray())
.Throttle(TimeSpan.FromMilliseconds(250))
.Select(searchStateItems => searchStateItems.Select(converter.Map).ToArray())
.Subscribe(searchStateSettings.Write);
_cleanUp = new CompositeDisposable(loader, writer);
}
public TailViewStateController([NotNull] TailViewModel tailView,
IStateBucketService stateBucketService,
ISchedulerProvider schedulerProvider,
ISearchStateToMetadataMapper searchStateToMetadataMapper,
ILogger logger)
{
if (tailView == null)
{
throw new ArgumentNullException(nameof(tailView));
}
_tailView = tailView;
bool loadingSettings = false;
const string type = "TailView";
logger.Info("Loading state for {0}", tailView.Name);
stateBucketService
.Lookup(type, tailView.Name)
.Convert(state =>
{
var converter = new TailViewToStateConverter();
return(converter.Convert((State)state));
}).IfHasValue(tailviewstate =>
{
schedulerProvider.Background.Schedule(() =>
{
try
{
loadingSettings = true;
logger.Info("Applying {0} saved search settings for {1} ", tailviewstate.SearchItems.Count(), tailView.Name);
var searches = tailviewstate.SearchItems.Select(searchStateToMetadataMapper.Map);
_tailView.SearchMetadataCollection.Add(searches);
tailView.SearchCollection.Select(tailviewstate.SelectedSearch);
logger.Info("DONE: Applied {0} search settings for {1} ", tailviewstate.SearchItems.Count(), tailView.Name);
}
finally
{
loadingSettings = false;
}
});
});
var selectedChanged = tailView.SearchCollection
.WhenValueChanged(sc => sc.Selected, false)
.Select(vm => vm.Text);
var metaChanged = _tailView.SearchMetadataCollection.Metadata.Connect()
.ToCollection()
.Select(metaData => metaData.ToArray());
var writer = selectedChanged.CombineLatest(metaChanged, (selected, metadata) => new { selected, metadata })
.Where(_ => !loadingSettings)
.Throttle(TimeSpan.FromMilliseconds(250))
.Select(x => Convert(_tailView.Name, x.selected, x.metadata))
.Subscribe(state =>
{
stateBucketService.Write(type, tailView.Name, state);
});
_cleanUp = new CompositeDisposable(writer);
}
public TailViewStateRestorer(ILogger logger, ISearchStateToMetadataMapper searchStateToMetadataMapper)
{
_logger = logger;
_searchStateToMetadataMapper = searchStateToMetadataMapper;
}
public TailViewStateRestorer(ILogger logger, ISearchStateToMetadataMapper searchStateToMetadataMapper)
{
_logger = logger;
_searchStateToMetadataMapper = searchStateToMetadataMapper;
}