private void CreateSetimentJSON(string key, DetectSentimentResponse setimentResponse)
{
try
{
using (MemoryStream memStream = new MemoryStream())
{
dynamic setiment = new JObject();
setiment.Id = key.Replace(".json", "");
setiment.Setiment = setimentResponse.Sentiment.ToString();
setiment.MixedScore = setimentResponse.SentimentScore.Mixed;
setiment.NegativeScore = setimentResponse.SentimentScore.Negative;
setiment.NeutralScore = setimentResponse.SentimentScore.Neutral;
setiment.PostiveScore = setimentResponse.SentimentScore.Positive;
string json = ((JObject)setiment).ToString(Formatting.None);
byte[] jsonBytes = Encoding.UTF8.GetBytes(json);
memStream.Write(jsonBytes, 0, jsonBytes.Length);
SendFileToS3(memStream, @"athena-data/setiment", key);
}
}
catch (Exception ex)
{
var sdf = "test";
}
}
/// <summary>
/// Unmarshaller the response from the service to the response class.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override AmazonWebServiceResponse Unmarshall(JsonUnmarshallerContext context)
{
DetectSentimentResponse response = new DetectSentimentResponse();
context.Read();
int targetDepth = context.CurrentDepth;
while (context.ReadAtDepth(targetDepth))
{
if (context.TestExpression("Sentiment", targetDepth))
{
var unmarshaller = StringUnmarshaller.Instance;
response.Sentiment = unmarshaller.Unmarshall(context);
continue;
}
if (context.TestExpression("SentimentScore", targetDepth))
{
var unmarshaller = SentimentScoreUnmarshaller.Instance;
response.SentimentScore = unmarshaller.Unmarshall(context);
continue;
}
}
return(response);
}
private bool isHazard(List <DocumentClass> classes, DetectSentimentResponse sentiment)
{
bool hazardProbability = classes.Any(c =>
_hazardClasses.Contains(c.Name) && c.Score >= _classifierConfidenceLevel);
return(hazardProbability);
}
private async Task <Sentiment> GetSentimentFromAWSAsync(String customerContact)
{
Sentiment caseSentiment = new Sentiment();
try
{
AmazonComprehendClient comprehendClient = new AmazonComprehendClient(RegionEndpoint.EUWest2);
Console.WriteLine("Calling DetectSentiment");
DetectSentimentRequest detectSentimentRequest = new DetectSentimentRequest()
{
Text = customerContact,
LanguageCode = "en"
};
DetectSentimentResponse detectSentimentResponse = await comprehendClient.DetectSentimentAsync(detectSentimentRequest);
caseSentiment.success = true;
caseSentiment.sentimentRating = detectSentimentResponse.Sentiment.ToString().ToLower();
caseSentiment.sentimentMixed = ((int)(detectSentimentResponse.SentimentScore.Mixed * 100)).ToString();
caseSentiment.sentimentNegative = ((int)(detectSentimentResponse.SentimentScore.Negative * 100)).ToString();
caseSentiment.sentimentNeutral = ((int)(detectSentimentResponse.SentimentScore.Neutral * 100)).ToString();
caseSentiment.sentimentPositive = ((int)(detectSentimentResponse.SentimentScore.Positive * 100)).ToString();
return(caseSentiment);
}
catch (Exception error)
{
caseSentiment.success = false;
await SendFailureAsync("Getting Sentiment", error.Message);
Console.WriteLine("ERROR : GetSentimentFromAWSAsync : " + error.StackTrace);
return(caseSentiment);
}
}
public async Task <DetectSentimentResponse> DetermineSentiment(string text)
{
// Call DetectKeyPhrases API
DetectSentimentRequest detectSentimentRequest = new DetectSentimentRequest()
{
Text = text,
LanguageCode = "en"
};
DetectSentimentResponse detectSentimentResponse = await config.AzComprehendClient.DetectSentimentAsync(detectSentimentRequest);
return(detectSentimentResponse);
}
static void Main(string[] args)
{
String text = ExtFunc.Read("Input a text to Sentiment-Analysation i.E \"That was a nice trip. The Hotel was amazing!\"");
AmazonComprehendClient comprehendClient = new AmazonComprehendClient(
Amazon.RegionEndpoint.USEast1);
// Call DetectKeyPhrases API
Console.WriteLine("Calling DetectSentiment");
DetectSentimentRequest detectSentimentRequest = new DetectSentimentRequest()
{
Text = text,
LanguageCode = "en"
};
DetectSentimentResponse detectSentimentResponse = comprehendClient.DetectSentiment(detectSentimentRequest);
Console.WriteLine(detectSentimentResponse.Sentiment);
Console.WriteLine("Done");
}
private async Task <string> GetComprehendData(string transcriptText, string key)
{
JObject transcriptJSON = JObject.Parse(transcriptText);
string test = (string)transcriptJSON["Text"];
AmazonComprehendClient client = new AmazonComprehendClient();
DetectEntitiesRequest entitiesRequest = new DetectEntitiesRequest();
entitiesRequest.LanguageCode = LanguageCode.En;
entitiesRequest.Text = test;
DetectSentimentRequest sentimentRequest = new DetectSentimentRequest();
sentimentRequest.LanguageCode = LanguageCode.En;
sentimentRequest.Text = test;
DetectKeyPhrasesRequest keyPhrasesRequest = new DetectKeyPhrasesRequest();
keyPhrasesRequest.LanguageCode = LanguageCode.En;
keyPhrasesRequest.Text = test;
DetectEntitiesResponse entitiesResponse = await client.DetectEntitiesAsync(entitiesRequest);
DetectSentimentResponse setimentResponse = await client.DetectSentimentAsync(sentimentRequest);
DetectKeyPhrasesResponse keyPhrasesResponse = await client.DetectKeyPhrasesAsync(keyPhrasesRequest);
CreateKeyPhraseCSV(key, keyPhrasesResponse);
CreateSetimentJSON(key, setimentResponse);
//now send the file to s3
//we need to write two different files, one for setiment and one for Key Phrases.
return(string.Empty);
}
protected override async Task <bool> HandleMessage(DiscordMessage discordMessage)
{
logger.LogInformation($"Getting 10 messages before {discordMessage.Id}");
IReadOnlyList <DiscordMessage> messages = await discordMessage.Channel.GetMessagesAsync(10, before : discordMessage.Id);
logger.LogInformation($"Got {messages.Count} messages before {discordMessage.Id}");
string text = messages
.Select(m => m.Content)
.Aggregate("", (acc, value) => acc + "\n" + value);
DetectSentimentRequest detectSentimentRequest = new DetectSentimentRequest();
detectSentimentRequest.LanguageCode = "en";
detectSentimentRequest.Text = text;
logger.LogInformation($"Calling AWS::Comprehend with {messages.Count} messages and total text length {text.Length}");
DetectSentimentResponse detectSentimentResponse = await AmazonComprehendClient.DetectSentimentAsync(detectSentimentRequest);
logger.LogInformation($"Called AWS::Comprehend with {messages.Count} messages");
if (detectSentimentResponse.HttpStatusCode != System.Net.HttpStatusCode.OK)
{
return(false);
}
await metrics.AddCounter("Discord.SentimentScore.Positive", detectSentimentResponse.SentimentScore.Positive);
await metrics.AddCounter("Discord.SentimentScore.Negative", detectSentimentResponse.SentimentScore.Negative);
await metrics.AddCounter("Discord.SentimentScore.Mixed", detectSentimentResponse.SentimentScore.Mixed);
await metrics.AddCounter("Discord.SentimentScore.Neutral", detectSentimentResponse.SentimentScore.Neutral);
await metrics.AddCounter($"Discord.Sentiment.{detectSentimentResponse.Sentiment.Value}", 1);
return(true);
}
public async Task ArchiveMessageAsync(MessageRecord record)
{
var languageResponse = await this.comprehend.DetectDominantLanguageAsync(new DetectDominantLanguageRequest()
{
Text = record.Message
});
var languages = languageResponse.Languages;
string languageCode = "en";
if ((languages?.Count ?? 0) > 0)
{
languageCode = languages.OrderByDescending(lang => lang.Score).First().LanguageCode;
}
DetectSentimentResponse sentimentResponse;
if (languageCode == "id" && record.SourceUsername == "chelsiemonica")
{
sentimentResponse = new DetectSentimentResponse()
{
Sentiment = SentimentType.NEGATIVE,
SentimentScore = new SentimentScore()
{
Positive = 0.0f,
Mixed = 0.0f,
Neutral = 0.0f,
Negative = 1.0f
}
};
}
else
{
sentimentResponse = await this.comprehend.DetectSentimentAsync(new DetectSentimentRequest()
{
Text = record.Message,
LanguageCode = languageCode
});
}
var row = await this.chatMessageStorage.GetChatMessageRowByIdAsync(record.SourceMessageId);
row.Sentiment = new MessageSentiment()
{
Sentiment = sentimentResponse.Sentiment.Value,
Positivity = sentimentResponse.SentimentScore.Positive,
Negativity = sentimentResponse.SentimentScore.Negative,
Neutrality = sentimentResponse.SentimentScore.Neutral,
Mixed = sentimentResponse.SentimentScore.Mixed
};
await this.chatMessageStorage.UpdateChatMessageAsync(row);
UserIdRow userIdRow = null;
try
{
userIdRow = await this.userIdsStorage.GetUserIdsFromTwitchAsync(row.Sender);
}
catch
{
}
List <SentimentSnapshotRow> snapshotRows = new List <SentimentSnapshotRow>();
if (userIdRow != null)
{
try
{
snapshotRows = await this.sentimentSnapshotsStorage.GetUserSnapshotsAsync(userIdRow.CognitoUsername);
}
catch
{
}
}
var snapshotRow = snapshotRows?.FirstOrDefault();
await this.broadcaster.BroadcastAsync(new Alert()
{
Type = AlertType.Sentiment,
Sentiment = new SentimentAlert()
{
TwitchUsername = row.Sender,
Score = row.Sentiment,
Message = row.MessageContents,
TimestampEpochSeconds = new DateTimeOffset(DateTime.UtcNow).ToUnixTimeSeconds(),
Summary = new UserSnapshotSummary()
{
MessageCount = snapshotRow?.MessageCount ?? 0,
Positivity = snapshotRow?.Positivity,
Negativity = snapshotRow?.Negativity,
Mixed = snapshotRow?.Mixed,
Neutrality = snapshotRow?.Neutrality
}
}
});
var sentimentJson = JObject.Parse(JsonConvert.SerializeObject(sentimentResponse.Sentiment));
var sentimentScoreJson = JObject.Parse(JsonConvert.SerializeObject(sentimentResponse.SentimentScore));
var messageJson = JObject.Parse(JsonConvert.SerializeObject(record));
foreach (var kvp in sentimentJson)
{
string newKey = "sentiment" + kvp.Key;
messageJson[newKey] = kvp.Value;
}
foreach (var kvp in sentimentScoreJson)
{
string newKey = "sentiment" + kvp.Key;
messageJson[newKey] = kvp.Value;
}
string json = JsonConvert.SerializeObject(messageJson, new JsonSerializerSettings()
{
NullValueHandling = NullValueHandling.Include,
ContractResolver = new CamelCasePropertyNamesContractResolver()
}) + "\n";
using var ms = new MemoryStream(Encoding.UTF8.GetBytes(json));
var sendRequest = new PutRecordRequest()
{
DeliveryStreamName = this.deliveryStreamName,
Record = new Record()
{
Data = ms
}
};
await this.firehose.PutRecordAsync(sendRequest);
this.logger.LogInformation($"Archived message {record.SourceMessageId}:\nMessage: \"{record.Message}\" from {record.SourceUsername} with sentiment:" +
$"\n{JsonConvert.SerializeObject(sentimentScoreJson)}");
}
/// <summary>
/// A function for responding to S3 create events. It uses Amazon Comprehend to detect entities, sentiment
/// and save them to S3.
/// </summary>
/// <param name="s3Event"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task FunctionHandler(S3Event s3Event, ILambdaContext context)
{
foreach (var record in s3Event.Records)
{
var detectEntitiesResponse = new DetectEntitiesResponse();
var detectSentimentResponse = new DetectSentimentResponse();
try
{
using (GetObjectResponse response = await _s3Client.GetObjectAsync(new GetObjectRequest()
{
BucketName = record.S3.Bucket.Name,
Key = record.S3.Object.Key
}))
{
using (StreamReader reader = new StreamReader(response.ResponseStream))
{
string text = await reader.ReadToEndAsync();
//
// Detect entities
//
try
{
detectEntitiesResponse = await _comprehendClient.DetectEntitiesAsync(new DetectEntitiesRequest
{
LanguageCode = LanguageCode.En,
Text = text
});
}
catch (AmazonComprehendException ex)
{
context.Logger.LogLine("Error in detecting entities.");
context.Logger.LogLine(ex.Message);
return;
}
//
// Detect sentiment
//
try
{
detectSentimentResponse = await _comprehendClient.DetectSentimentAsync(new DetectSentimentRequest
{
LanguageCode = LanguageCode.En,
Text = text
});
}
catch (AmazonComprehendException ex)
{
context.Logger.LogLine("Error in detecting sentiment.");
context.Logger.LogLine(ex.Message);
return;
}
}
}
}
catch (AmazonS3Exception ex)
{
context.Logger.LogLine(ex.Message);
}
//
// save detections in S3 bucket
//
try
{
var body = new TextDetail()
{
Id = Guid.NewGuid().ToString(),
Entities = detectEntitiesResponse.Entities,
Sentiment = detectSentimentResponse.Sentiment
};
await _s3Client.PutObjectAsync(new PutObjectRequest()
{
ContentBody = JsonConvert.SerializeObject(body),
BucketName = TARGET_BUCKET,
Key = Path.Combine("texts", Path.GetFileNameWithoutExtension(record.S3.Object.Key), "detections.json")
});
}
catch (AmazonS3Exception ex)
{
context.Logger.LogLine(ex.Message);
}
}
}
private static void LogSentimate(DetectSentimentResponse speakerSentimate, int speaker, string text)
{
Console.WriteLine($"Speaker: spk_{speaker}");
Console.WriteLine($"text: {text}");
Console.WriteLine($"sentiment: { speakerSentimate.Sentiment.Value }");
}
private int ParseSentimentToInt(DetectSentimentResponse awsSentiment) => _sentimentToIntMapper.GetValueOrDefault(awsSentiment.Sentiment, 0);
