/// <summary>
        /// Removes the non-primary person alias recipients.
        /// </summary>
        /// <param name="rockContext">The rock context.</param>
        private void RemoveNonPrimaryPersonAliasRecipients(RockContext rockContext)
        {
            /*
             * 4-MAY-2022 DMV
             *
             * In tracking down alleged duplicate communications we discovered
             * that duplicates could be sent to the same person if they are in the
             * recipient list more that once with mulitple Person Alias IDs.
             * This could have occured through a person merge or other data changes
             * in Rock. This method removes those duplicates from the list before
             * sending the communication.
             *
             */

            var communicationRecipientService = new CommunicationRecipientService(rockContext);

            var recipientsQry = GetRecipientsQry(rockContext);

            int?smsMediumEntityTypeId = EntityTypeCache.GetId(Rock.SystemGuid.EntityType.COMMUNICATION_MEDIUM_SMS.AsGuid());

            if (smsMediumEntityTypeId.HasValue)
            {
                IQueryable <CommunicationRecipient> duplicateSMSRecipientsQuery = recipientsQry.Where(a => a.MediumEntityTypeId == smsMediumEntityTypeId.Value)
                                                                                  .Where(a => a.PersonAlias.PersonId != a.PersonAlias.AliasPersonId); // Only non-primary aliases.

                var duplicateSMSRecipients = duplicateSMSRecipientsQuery.ToList();
                communicationRecipientService.DeleteRange(duplicateSMSRecipients);
            }

            int?emailMediumEntityTypeId = EntityTypeCache.GetId(Rock.SystemGuid.EntityType.COMMUNICATION_MEDIUM_EMAIL.AsGuid());

            if (emailMediumEntityTypeId.HasValue)
            {
                IQueryable <CommunicationRecipient> duplicateEmailRecipientsQry = recipientsQry.Where(a => a.MediumEntityTypeId == emailMediumEntityTypeId.Value)
                                                                                  .Where(a => a.PersonAlias.PersonId != a.PersonAlias.AliasPersonId); // Only non-primary aliases.

                var duplicateEmailRecipients = duplicateEmailRecipientsQry.ToList();
                communicationRecipientService.DeleteRange(duplicateEmailRecipients);
            }

            rockContext.SaveChanges();
        }
        /// <summary>
        /// if <see cref="ExcludeDuplicateRecipientAddress" /> is set to true, removes <see cref="CommunicationRecipient"></see>s that have the same SMS/Email address as another recipient
        /// </summary>
        /// <param name="rockContext">The rock context.</param>
        public void RemoveRecipientsWithDuplicateAddress(RockContext rockContext)
        {
            if (!ExcludeDuplicateRecipientAddress)
            {
                return;
            }

            var communicationRecipientService = new CommunicationRecipientService(rockContext);

            var recipientsQry = GetRecipientsQry(rockContext);

            int?smsMediumEntityTypeId = EntityTypeCache.GetId(Rock.SystemGuid.EntityType.COMMUNICATION_MEDIUM_SMS.AsGuid());

            if (smsMediumEntityTypeId.HasValue)
            {
                IQueryable <CommunicationRecipient> duplicateSMSRecipientsQuery = recipientsQry.Where(a => a.MediumEntityTypeId == smsMediumEntityTypeId.Value)
                                                                                  .Where(a => a.PersonAlias.Person.PhoneNumbers.Where(pn => pn.IsMessagingEnabled).Any())
                                                                                  .GroupBy(a => a.PersonAlias.Person.PhoneNumbers.Where(pn => pn.IsMessagingEnabled).FirstOrDefault().Number)
                                                                                  .Where(a => a.Count() > 1)
                                                                                  .Select(a => a.OrderBy(x => x.Id).Skip(1).ToList())
                                                                                  .SelectMany(a => a);

                var duplicateSMSRecipients = duplicateSMSRecipientsQuery.ToList();
                communicationRecipientService.DeleteRange(duplicateSMSRecipients);
            }

            int?emailMediumEntityTypeId = EntityTypeCache.GetId(Rock.SystemGuid.EntityType.COMMUNICATION_MEDIUM_EMAIL.AsGuid());

            if (emailMediumEntityTypeId.HasValue)
            {
                IQueryable <CommunicationRecipient> duplicateEmailRecipientsQry = recipientsQry.Where(a => a.MediumEntityTypeId == emailMediumEntityTypeId.Value)
                                                                                  .GroupBy(a => a.PersonAlias.Person.Email)
                                                                                  .Where(a => a.Count() > 1)
                                                                                  .Select(a => a.OrderBy(x => x.Id).Skip(1).ToList())
                                                                                  .SelectMany(a => a);

                var duplicateEmailRecipients = duplicateEmailRecipientsQry.ToList();
                communicationRecipientService.DeleteRange(duplicateEmailRecipients);
            }

            rockContext.SaveChanges();
        }