/// <summary>
/// Get distribution list details and members count from AAD.
/// </summary>
/// <param name="groupIds">List of distribution list ids.</param>
/// <returns>Count of members in distribution list.</returns>
public async Task <List <DistributionList> > GetADGroupMemberCountBatchAsync(
List <string> groupIds)
{
IEnumerable <List <string> > groupBatches = groupIds.SplitList(5);
List <DistributionList> dlGraphData = new List <DistributionList>();
string[] queries = new string[2] {
"/groups/{0}/members?$select=displayName,mail,userType&$top=999", "/groups/{0}?$select=id,displayName,mail,mailNickname,mailEnabled"
};
foreach (List <string> groupBatch in groupBatches)
{
string[] scopes = { "Group.Read.All" };
string graphQuery = $"https://graph.microsoft.com/v1.0/$batch";
List <MSGraphBatchRequest> allRequests = MSGraphBatchRequestCreator.CreateBatchRequestPayloadForGroups(queries, "GET", groupBatch);
MSGraphBatchRequestPayload payload = new MSGraphBatchRequestPayload()
{
Requests = allRequests,
};
List <MSGraphBatchResponse <dynamic> > responses = await this.protectedApiCallHelper.CallGraphApiPostOnBehalfOfUser(scopes, graphQuery, JsonConvert.SerializeObject(payload));
if (responses != null)
{
foreach (string group in groupBatch)
{
try
{
List <DistributionListMember> dlMember = this.protectedApiCallHelper.GetValue <List <DistributionListMember> >(JsonConvert.SerializeObject(responses.Find(s => s.Id == group).Body), "value");
DistributionList dlDetails = this.protectedApiCallHelper.GetValue <DistributionList>(JsonConvert.SerializeObject(responses.Find(s => s.Id == group + '1')), "body");
if (dlDetails != null && dlMember != null)
{
dlDetails.NoOfMembers = dlMember.Where(x => (string.Equals(x.Type, "#microsoft.graph.group", StringComparison.OrdinalIgnoreCase) ||
string.Equals(x.UserType, "member", StringComparison.OrdinalIgnoreCase))).Count();
dlGraphData.Add(dlDetails);
}
}
catch (Exception ex)
{
this.telemetryClient.TrackTrace($"An error occurred in GetADGroupMemberCountBatchAsync: {group}", SeverityLevel.Error);
this.telemetryClient.TrackException(ex);
}
}
}
}
return(dlGraphData);
}
