public static async Task <CapabilityDiscoveryResult> GetDiscoveryCapabilityResultAsync(string capability)
{
var cacheResult = await DiscoveryServiceCache.LoadAsync();
CapabilityDiscoveryResult discoveryCapabilityResult = null;
if (cacheResult != null && cacheResult.DiscoveryInfoForServices.ContainsKey(capability))
{
discoveryCapabilityResult = cacheResult.DiscoveryInfoForServices[capability];
if (LoggedInUser != cacheResult.UserId)
{
// cache is for another user
cacheResult = null;
}
}
//Cache might exist from previous calls, but it might not include newly added capabilities.
else if (cacheResult != null && !cacheResult.DiscoveryInfoForServices.ContainsKey(capability))
{
cacheResult = null;
cacheResult = await CreateAndSaveDiscoveryServiceCacheAsync();
discoveryCapabilityResult = cacheResult.DiscoveryInfoForServices[capability];
}
if (cacheResult == null)
{
cacheResult = await CreateAndSaveDiscoveryServiceCacheAsync();
discoveryCapabilityResult = cacheResult.DiscoveryInfoForServices[capability];
}
return(discoveryCapabilityResult);
}
public static async Task <CapabilityDiscoveryResult> GetDiscoveryCapabilityResultAsync(string capability)
{
var cacheResult = await DiscoveryServiceCache.LoadAsync();
CapabilityDiscoveryResult discoveryCapabilityResult = null;
if (cacheResult != null && cacheResult.DiscoveryInfoForServices.ContainsKey(capability))
{
discoveryCapabilityResult = cacheResult.DiscoveryInfoForServices[capability];
if (LoggedInUser != cacheResult.UserId)
{
// cache is for another user
cacheResult = null;
}
}
if (cacheResult == null)
{
cacheResult = await CreateAndSaveDiscoveryServiceCacheAsync();
discoveryCapabilityResult = cacheResult.DiscoveryInfoForServices[capability];
}
return(discoveryCapabilityResult);
}
//Discovery service methods
public static async Task <DiscoveryServiceCache> CreateAndSaveDiscoveryServiceCacheAsync()
{
DiscoveryServiceCache discoveryCache = null;
var discoveryClient = new DiscoveryClient(DiscoveryServiceEndpointUri,
async() => await GetTokenHelperAsync(_authenticationContext, DiscoveryResourceId));
var discoveryCapabilityResult = await discoveryClient.DiscoverCapabilitiesAsync();
discoveryCache = await DiscoveryServiceCache.CreateAndSaveAsync(LoggedInUser, discoveryCapabilityResult);
return(discoveryCache);
}
