public async Task <bool> PublishUpdate(PollSummary summary)
{
var pollId = summary.Poll?.Id;
if (pollId == null || pollId == "")
{
return(false);
}
var memoryStream = new MemoryStream();
using (var outputStream = new Google.Protobuf.CodedOutputStream(memoryStream))
{
summary.WriteTo(outputStream);
}
var summaryData = System.Convert.ToBase64String(memoryStream.ToArray());
var receivers = await _subscriber.PublishAsync(GetRedisChannel(pollId), summaryData);
_logger.LogDebug($"Publishing update to {receivers} receivers");
return(true);
}
public async Task <bool> UpsertPollSummary(PollSummary summary)
{
try
{
var memoryStream = new MemoryStream();
using (var outputStream = new Google.Protobuf.CodedOutputStream(memoryStream))
{
summary.WriteTo(outputStream);
}
var summaryData = memoryStream.ToArray();
var pollId = summary.Poll?.Id;
if (pollId == null || pollId == "")
{
return(false);
}
var response = await _database.HashSetAsync(PollSummaryHashKey, pollId, summaryData, When.Always);
var didPublish = await _pubSub.PublishUpdate(summary);
return(didPublish);
}
catch (Exception e)
{
_logger.LogError(e, "Error while poll summary to database");
return(false);
}
}
public PollSummary DefaultPollSummary(Poll poll)
{
var summary = new PollSummary();
summary.TotalVotes = 0;
summary.Poll = poll;
for (var i = 0; i < poll.Options.Count; i++)
{
var optionSummary = new PollOptionSummary {
Option = poll.Options[i],
Rank = i,
Ratio = 0,
VoteCounts = 0,
};
summary.Options.Add(optionSummary);
}
return(summary);
}