/// <summary>
/// Get User presence details in a batch.
/// </summary>
/// <param name="peoplePresenceDataArray">Array of People Presence Data object used to get presence information.</param>
/// <returns>People Presence Data model data filled with presence information.</returns>
public async Task <List <PeoplePresenceData> > GetBatchUserPresenceAsync(PeoplePresenceData[] peoplePresenceDataArray)
{
List <PeoplePresenceData> peoplePresenceDataList = new List <PeoplePresenceData>();
List <PeoplePresenceData> peoplePresenceDataListReturnValue = new List <PeoplePresenceData>();
foreach (PeoplePresenceData member in peoplePresenceDataArray)
{
string userPrincipalName = member.UserPrincipalName.ToLower();
if (!this.memoryCache.TryGetValue(userPrincipalName, out PeoplePresenceData peoplePresenceDataObj))
{
peoplePresenceDataObj = new PeoplePresenceData()
{
UserPrincipalName = member.UserPrincipalName,
Id = member.Id,
};
peoplePresenceDataList.Add(peoplePresenceDataObj);
}
else
{
peoplePresenceDataListReturnValue.Add(peoplePresenceDataObj);
}
}
if (peoplePresenceDataList.Count > 0)
{
this.telemetryClient.TrackEvent($"GetBatchUserPresenceAsync. Getting presence from MS Graph. User Count : {peoplePresenceDataList.Count()}, users :{JsonConvert.SerializeObject(peoplePresenceDataList)}");
string[] scopes = { "Presence.Read.All" };
MemoryCacheEntryOptions options = new MemoryCacheEntryOptions
{
AbsoluteExpirationRelativeToNow = TimeSpan.FromSeconds(Convert.ToInt32(this.configuration["CacheInterval"])), // cache will expire in 60 seconds or 1 minutes
};
var presenceBatches = peoplePresenceDataList.SplitList(19); // MS Graph batch limit is 20
foreach (var presenceBatch in presenceBatches)
{
try
{
List <MSGraphBatchRequest> allRequests = MSGraphBatchRequestCreator.CreateBatchRequestPayloadForPresence("/users/{0}/presence", "GET", presenceBatch);
MSGraphBatchRequestPayload payload = new MSGraphBatchRequestPayload()
{
Requests = allRequests,
};
List <MSGraphBatchResponse <dynamic> > responses = await this.protectedApiCallHelper.CallGraphApiPostOnBehalfOfUser(scopes, MSGraphBatchAPI, JsonConvert.SerializeObject(payload));
if (responses != null)
{
foreach (var presenceInfo in responses)
{
try
{
string presenceStatus = presenceInfo.Body.availability;
string userAADId = presenceInfo.Body.id;
PeoplePresenceData peoplePresence = new PeoplePresenceData()
{
Availability = presenceStatus.ToLower() == "available" ? "Online" : presenceStatus,
UserPrincipalName = presenceInfo.Id.ToLower(),
Id = userAADId,
};
this.memoryCache.Set(peoplePresence.UserPrincipalName, peoplePresence, options);
peoplePresenceDataListReturnValue.Add(peoplePresence);
}
catch (Exception ex)
{
if (presenceInfo != null)
{
this.telemetryClient.TrackTrace($"GetBatchUserPresenceAsync. An error occurred: {ex.Message}. PeoplePresenceDataJObject : {JsonConvert.SerializeObject(presenceInfo)}", SeverityLevel.Error);
this.telemetryClient.TrackException(ex);
}
else
{
this.telemetryClient.TrackTrace($"GetBatchUserPresenceAsync. An error occurred: {ex.Message} ", SeverityLevel.Error);
this.telemetryClient.TrackException(ex);
}
}
}
}
}
catch (Exception ex)
{
if (presenceBatch != null)
{
this.telemetryClient.TrackTrace($"GetBatchUserPresenceAsync. An error occurred: {ex.Message}. PresenceBatch : {JsonConvert.SerializeObject(presenceBatch)}", SeverityLevel.Error);
this.telemetryClient.TrackException(ex);
}
else
{
this.telemetryClient.TrackTrace($"GetBatchUserPresenceAsync. An error occurred: {ex.Message} ", SeverityLevel.Error);
this.telemetryClient.TrackException(ex);
}
}
}
}
else
{
this.telemetryClient.TrackEvent($"GetBatchUserPresenceAsync. Presence of all users found in memory.");
}
return(peoplePresenceDataListReturnValue);
}
