/// <summary>
/// List conversations in the channelId.
/// </summary>
/// <param name="channelId">Channel Id.</param>
/// <param name="continuationToken">Continuatuation token to page through results.</param>
/// <returns>A <see cref="Task"/> A task that represents the work queued to execute.</returns>
public async Task<PagedResult<TranscriptInfo>> ListTranscriptsAsync(string channelId, string continuationToken = null)
{
if (string.IsNullOrEmpty(channelId))
{
throw new ArgumentNullException($"missing {nameof(channelId)}");
}
var dirName = GetDirName(channelId);
var dir = this.Container.Value.GetDirectoryReference(dirName);
var pageSize = 20;
BlobContinuationToken token = null;
List<TranscriptInfo> conversations = new List<TranscriptInfo>();
do
{
var segment = await dir.ListBlobsSegmentedAsync(false, BlobListingDetails.Metadata, null, token, null, null).ConfigureAwait(false);
foreach (var blob in segment.Results.Where(c => c is CloudBlobDirectory).Cast<CloudBlobDirectory>())
{
// Unescape the Id we escaped when we saved it
var conversation = new TranscriptInfo() { Id = Uri.UnescapeDataString(blob.Prefix.Split('/').Where(s => s.Length > 0).Last()), ChannelId = channelId };
if (continuationToken != null)
{
if (conversation.Id == continuationToken)
{
// we found continuation token
continuationToken = null;
}
// skip record
}
else
{
conversations.Add(conversation);
if (conversations.Count == pageSize)
{
break;
}
}
}
if (segment.ContinuationToken != null)
{
token = segment.ContinuationToken;
}
}
while (token != null && conversations.Count < pageSize);
var pagedResult = new PagedResult<TranscriptInfo>();
pagedResult.Items = conversations.ToArray();
if (pagedResult.Items.Length == 20)
{
pagedResult.ContinuationToken = pagedResult.Items.Last().Id;
}
return pagedResult;
}
/// <summary>
/// List conversations in the channelId.
/// </summary>
/// <param name="channelId">Channel Id.</param>
/// <param name="continuationToken">Continuatuation token to page through results.</param>
/// <returns>A <see cref="Task"/> A task that represents the work queued to execute.</returns>
public async Task <PagedResult <TranscriptInfo> > ListTranscriptsAsync(string channelId, string continuationToken = null)
{
const int PageSize = 20;
if (string.IsNullOrEmpty(channelId))
{
throw new ArgumentNullException($"missing {nameof(channelId)}");
}
string token = null;
List <TranscriptInfo> conversations = new List <TranscriptInfo>();
do
{
var resultSegment = _containerClient.Value.GetBlobsAsync(BlobTraits.Metadata, prefix: $"{SanitizeKey(channelId)}/")
.AsPages(token).ConfigureAwait(false);
token = null;
await foreach (var blobPage in resultSegment)
{
foreach (BlobItem blobItem in blobPage.Values)
{
// Unescape the Id we escaped when we saved it
var conversation = new TranscriptInfo()
{
Id = Uri.UnescapeDataString(blobItem.Name.Split('/').Last(s => s.Length > 0)), ChannelId = channelId
};
if (continuationToken != null)
{
if (conversation.Id == continuationToken)
{
// we found continuation token
continuationToken = null;
}
// skip record
}
else
{
conversations.Add(conversation);
if (conversations.Count == PageSize)
{
break;
}
}
}
}
}while (!string.IsNullOrEmpty(token) && conversations.Count < PageSize);
var pagedResult = new PagedResult <TranscriptInfo>()
{
Items = conversations.ToArray()
};
if (pagedResult.Items.Length == PageSize)
{
pagedResult.ContinuationToken = pagedResult.Items.Last().Id;
}
return(pagedResult);
}
/// <summary>
/// List conversations in the channelId.
/// </summary>
/// <param name="channelId">Channel Id.</param>
/// <param name="continuationToken">Continuation token to page through results.</param>
/// <returns>A <see cref="Task"/> A task that represents the work queued to execute.</returns>
public async Task <PagedResult <TranscriptInfo> > ListTranscriptsAsync(string channelId, string continuationToken = null)
{
if (string.IsNullOrEmpty(channelId))
{
throw new ArgumentNullException($"missing {nameof(channelId)}");
}
int pageStart = 0;
int pageSize = 20;
// Ensure Initialization has been run
await InitializeAsync().ConfigureAwait(false);
if (continuationToken != null)
{
bool result = int.TryParse(continuationToken, out pageStart);
if (!result)
{
throw new InvalidOperationException(nameof(result));
}
}
List <TranscriptInfo> conversations = new List <TranscriptInfo>();
var pagedResult = new PagedResult <TranscriptInfo>();
var searchResponse = await elasticClient.SearchAsync <DocumentItem>(s => s
.Index(indexName)
.Sort(ss => ss
.Ascending(p => p.Timestamp))
.From(pageStart)
.Size(pageSize)
.Query(q => q
.MatchPhrase(m => m
.Field(f => f.ChannelId)
.Query(channelId)))).ConfigureAwait(false);
var documentItems = searchResponse.Documents;
foreach (var documentItem in documentItems)
{
var conversation = new TranscriptInfo {
Id = documentItem.Id, ChannelId = documentItem.ChannelId, Created = (DateTimeOffset)documentItem.Timestamp
};
conversations.Add(conversation);
}
pagedResult.Items = conversations.ToArray();
if (pagedResult.Items.Length == pageSize)
{
pagedResult.ContinuationToken = $"{pageStart + pageSize}";
}
else
{
pagedResult.ContinuationToken = null;
}
return(pagedResult);
}
