private async Task <List <AdditionalReadings> > GetAdditionalReadings(string topicId)
        {
            var additionalReadings = await backendDatabaseService.GetItemsAsync <AdditionalReading>(x => x.ResourceType == Constants.ReasourceTypes.AdditionalReadings &&
                                                                                                    x.TopicTags.Contains(new TopicTag {
                TopicTags = topicId
            }), cosmosDbSettings.ResourcesCollectionId);

            var additionalReadingsUrls = new List <AdditionalReadings>();

            foreach (var item in additionalReadings)
            {
                additionalReadingsUrls.Add(new AdditionalReadings
                {
                    Text = item.Name,
                    Url  = item.Url,
                });
            }

            return(additionalReadingsUrls);
        }