/// <summary>
/// Search elements
/// Important: Search only works within the right containerID
/// </summary>
/// <param name="containerId"></param>
/// <param name="searchCriteria"></param>
/// <param name="start"></param>
/// <param name="limit"></param>
/// <returns></returns>
public async Task <ServiceActionReturnMessage> Search(string containerId, string searchCriteria, int start, int limit = 10)
{
try
{
if (ServiceActions.TryGetValue("SEARCH", out ServiceAction action))
{
List <IElement> elements = new List <IElement>();
//bool found = false;
action.ClearArgumentsValue();
action.SetArgumentValue("ContainerID", containerId);
action.SetArgumentValue("SearchCriteria", string.Format("dc:title contains \"{0}\"", searchCriteria));
action.SetArgumentValue("Filter", "*");
action.SetArgumentValue("StartingIndex", start.ToString());
action.SetArgumentValue("RequestedCount", limit.ToString());
action.SetArgumentValue("SortCriteria", "");
ServiceActionReturnMessage message = await action.InvokeAsync(ServiceTypesString.CONTENTDIRECTORY, serviceControls.Select(c => c).Where(c => c.ServiceType == ServiceTypes.CONTENTDIRECTORY).FirstOrDefault().URI);
if (message.ActionStatus == ActionStatus.Okay)
{
string result = action.GetArgumentValue("Result");
DIDLLite didlliteResult = result.Deserialize <DIDLLite>();
if (string.IsNullOrEmpty(result) || didlliteResult == null)
{
return(null);
}
foreach (DIDLContainer container in didlliteResult.Containers)
{
switch (container.Title)
{
case "Zones":
case "Renderers":
case "Search":
break;
default:
IElement element = Prism.Unity.Windows.PrismUnityApplication.Current.Container.Resolve <ElementContainer>(new ResolverOverride[]
{
new ParameterOverride("didl", container)
});
elements.Add(element);
break;
}
}
foreach (DIDLItem item in didlliteResult.Items)
{
IElement element = Prism.Unity.Windows.PrismUnityApplication.Current.Container.Resolve <ElementItem>(new ResolverOverride[]
{
new ParameterOverride("didl", item)
});
elements.Add(element);
}
message.ReturnValue = elements;
return(message);
}
else
{
return(message);
}
}
else
{
return(new ServiceActionReturnMessage()
{
ActionStatus = ActionStatus.Error, ActionMessage = string.Format("Action not available: Browse")
});
}
}
catch (Exception exception)
{
return(new ServiceActionReturnMessage()
{
ActionStatus = ActionStatus.Error, ActionMessage = exception.Message
});
}
}
/// <summary>
/// BrowseMetaData
/// </summary>
/// <param name="Id"></param>
/// <returns></returns>
public async Task <ServiceActionReturnMessage> BrowseMetaData(string Id)
{
try
{
if (ServiceActions.TryGetValue("BROWSE", out ServiceAction action))
{
ElementBase element = null;
action.ClearArgumentsValue();
action.SetArgumentValue("ObjectID", Id);
action.SetArgumentValue("BrowseFlag", "BrowseMetadata");
action.SetArgumentValue("Filter", "*");
action.SetArgumentValue("StartingIndex", "0");
action.SetArgumentValue("RequestedCount", "0");
action.SetArgumentValue("SortCriteria", "");
ServiceActionReturnMessage message = await action.InvokeAsync(ServiceTypesString.CONTENTDIRECTORY, serviceControls.Select(c => c).Where(c => c.ServiceType == ServiceTypes.CONTENTDIRECTORY).FirstOrDefault().URI);
if (message.ActionStatus == ActionStatus.Okay)
{
string result = action.GetArgumentValue("Result");
DIDLLite didlliteResult = result.Deserialize <DIDLLite>();
if (string.IsNullOrEmpty(result) || didlliteResult == null)
{
return(new ServiceActionReturnMessage()
{
ActionStatus = ActionStatus.Error, ActionMessage = string.Format("Parsing error DIDLLite-string")
});
}
foreach (DIDLContainer container in didlliteResult.Containers)
{
switch (container.Title)
{
case "Zones":
case "Renderers":
case "Search":
break;
default:
//element = PrismUnityApplication.Current.Container.Resolve<ElementContainer>(new ResolverOverride[]
// {
// new ParameterOverride("didl", container)
// });
element = PrismUnityApplication.Current.Container.Resolve <ElementBase>("DIDLContainer",
new DependencyOverride(typeof(IEventAggregator), eventAggregator),
new DependencyOverride(typeof(ICachingService), cachingService),
new DependencyOverride(typeof(DIDLContainer), container));
break;
}
}
foreach (DIDLItem item in didlliteResult.Items)
{
//element = PrismUnityApplication.Current.Container.Resolve<ElementItem>(new ResolverOverride[]
// {
// new ParameterOverride("didl", item)
// });
element = PrismUnityApplication.Current.Container.Resolve <ElementBase>("DIDLItem",
new DependencyOverride(typeof(IEventAggregator), eventAggregator),
new DependencyOverride(typeof(ICachingService), cachingService),
new DependencyOverride(typeof(DIDLItem), item));
}
message.ReturnValue = element;
return(message);
}
else
{
return(message);
}
}
else
{
return(new ServiceActionReturnMessage()
{
ActionStatus = ActionStatus.Error, ActionMessage = string.Format("Action not available: Browse")
});
}
}
catch (Exception exception)
{
throw new Exception();
return(new ServiceActionReturnMessage()
{
ActionStatus = ActionStatus.Error, ActionMessage = exception.Message
});
}
}