private static IEnumerable <IGrouping <string, string> > GetStemmedWordsGroups(IEnumerable <string> words)
{
return(words.Where(w => !WordCloudFiltering.IsStopWord(w))
.Select(w => Regex.Replace(w, @"[^a-z0-9]", string.Empty, RegexOptions.IgnoreCase))
.Where(w => !WordCloudFiltering.IsNumber(w))
.GroupBy(w => w, w => w));
}
public virtual void AddNewAnswer(SurveyAnswer surveyAnswer)
{
if (surveyAnswer == null)
{
return;
}
var newSurveyAnswersSummary = new SurveyAnswersSummary(surveyAnswer.SlugName)
{
TotalAnswers = 1
};
foreach (var questionAnswer in surveyAnswer.QuestionAnswers)
{
var questionType = (QuestionType)Enum.Parse(typeof(QuestionType), questionAnswer.QuestionType);
var questionAnswersSummary = new QuestionAnswersSummary
{
QuestionType = questionType,
QuestionText = questionAnswer.QuestionText,
PossibleAnswers = questionAnswer.PossibleAnswers
};
newSurveyAnswersSummary.QuestionAnswersSummaries.Add(questionAnswersSummary);
switch (questionType)
{
case QuestionType.SimpleText:
var words = questionAnswer.Answer.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var wordCounts = new Dictionary <string, int>();
var stemmedWords =
words.Where(w => !WordCloudFiltering.IsStopWord(w))
.Select(w => Regex.Replace(w, @"[^a-z0-9]", string.Empty, System.Text.RegularExpressions.RegexOptions.IgnoreCase))
.Where(w => !WordCloudFiltering.IsNumber(w));
stemmedWords.GroupBy(w => w, w => w).ToList()
.ForEach(g => wordCounts.Add(g.Key, g.Count()));
questionAnswersSummary.AnswersSummary = JsonConvert.SerializeObject(wordCounts);
break;
case QuestionType.MultipleChoice:
var choiceCounts = new Dictionary <string, int> {
{ questionAnswer.Answer, 1 }
};
questionAnswersSummary.AnswersSummary = JsonConvert.SerializeObject(choiceCounts);
break;
case QuestionType.FiveStars:
var answer = double.Parse(questionAnswer.Answer);
questionAnswersSummary.AnswersSummary = answer.ToString("F", CultureInfo.InvariantCulture);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
this.MergeWith(newSurveyAnswersSummary);
}