public ActionResult _SentimentAlert(int id)
{
SentimentAlert alert = (SentimentAlert)alertManager.GetAlertById(id);
ViewBag.Operator = alert.Operator.GetOperator();
ViewBag.Property = alert.SubjectProperty.GetSubject();
return(PartialView(alert));
}
public SentimentAlert FindSentimentAlert(SentimentAlert alert)
{
SentimentAlert sentimentAlert = null;
try
{
sentimentAlert = context.Alerts.OfType <SentimentAlert>().Where(a => a.Subject.ID.Equals(alert.Subject.ID) && a.Operator.Equals(alert.Operator) && a.SubjectProperty.Equals(alert.SubjectProperty) && a.Value.Equals(alert.Value)).First();
}
catch (Exception)
{
return(sentimentAlert);
}
return(sentimentAlert);
}
public ActionResult _SentimentAlertDropDown(SentimentAlert alert)
{
ViewBag.Operator = alert.Operator.GetOperator();
ViewBag.Property = alert.SubjectProperty.GetSubject();
return(PartialView(alert));
}
private async Task <bool> CheckSentimentAlert(SentimentAlert alert, DateTime now)
{
Subject subject = alert.Subject;
FeedManager feedManager = new FeedManager();
List <Feed> feeds;
DateTime end = now;
DateTime start = end.AddDays(-7);
Dictionary <string, double> valuePairs = new Dictionary <string, double>();
if (subject.GetType() == typeof(Person))
{
feeds = await feedManager.GetPersonFeedsSinceAsync(subject.Name, start);
}
else if (subject.GetType() == typeof(Organisation))
{
feeds = await feedManager.GetOrganisationFeedsSinceAsync(subject.Name, start);
}
else
{
feeds = await feedManager.GetWordFeedsSinceAsync(subject.Name, start);
}
int feedCount = feeds.Count();
int posNegFeeds = 0;
int result;
if (alert.SubjectProperty.Equals(SubjectProperty.pos))
{
foreach (Feed f in feeds)
{
string[] sentiment = f.Sentiment.Split(',');
float posneg = float.Parse(sentiment[0], System.Globalization.CultureInfo.InvariantCulture);
if (posneg > 0)
{
posNegFeeds++;
}
}
valuePairs.Add("Positive", posNegFeeds);
valuePairs.Add("Negative", feedCount - posNegFeeds);
result = posNegFeeds / feedCount;
}
else
{
foreach (Feed f in feeds)
{
string[] sentiment = f.Sentiment.Split(',');
float posneg = float.Parse(sentiment[0], System.Globalization.CultureInfo.InvariantCulture);
if (posneg < 0)
{
posNegFeeds++;
}
valuePairs.Add("Positive", feedCount - posNegFeeds);
valuePairs.Add("Negative", posNegFeeds);
}
result = (posNegFeeds / feedCount) * 100;
}
alert.Graph.EndDate = end;
alert.Graph.StartDate = start;
alert.JsonValues = JsonConvert.SerializeObject(valuePairs);
switch (alert.Operator)
{
case Operator.GT:
if (result >= alert.Value)
{
return(true);
}
break;
case Operator.LT:
if (result <= alert.Value)
{
return(true);
}
break;
}
return(false);
}
public Alert AddAlert(string subjectName, string alertType, string subjectBName, string compare, string subjectProperty, int value)
{
Alert alert;
SubjectManager subjectManager = new SubjectManager(unitOfWorkManager);
GraphManager graphManager = new GraphManager(unitOfWorkManager);
Subject subject = subjectManager.GetSubjectByName(subjectName);
Alert existingAlert;
if (alertType.Equals("Trend"))
{
alert = new TrendAlert(subject);
alert.Graph = graphManager.AddAlertLineGraph();
existingAlert = repo.FindTrendAlert((TrendAlert)alert);
}
else if (alertType.Equals("Compare"))
{
Subject subjectB = subjectManager.GetSubjectByName(subjectBName);
Operator @operator;
if (compare.Equals("GT"))
{
@operator = Operator.GT;
}
else
{
@operator = Operator.LT;
}
alert = new CompareAlert(subject, subjectB, @operator);
alert.Graph = graphManager.AddAlertBarGraph();
existingAlert = repo.FindCompareAlert((CompareAlert)alert);
}
else if (alertType.Equals("Check"))
{
SubjectProperty property;
if (subjectProperty.Equals("count"))
{
property = SubjectProperty.count;
}
else
{
property = SubjectProperty.relativeCount;
}
Operator @operator;
if (compare.Equals("GT"))
{
@operator = Operator.GT;
}
else
{
@operator = Operator.LT;
}
alert = new CheckAlert(property, @operator, value, subject);
alert.Graph = graphManager.AddAlertLineGraph();
existingAlert = repo.FindCheckAlert((CheckAlert)alert);
}
else
{
SubjectProperty property;
if (subjectProperty.Equals("pos"))
{
property = SubjectProperty.pos;
}
else
{
property = SubjectProperty.neg;
}
Operator @operator;
if (compare.Equals("GT"))
{
@operator = Operator.GT;
}
else
{
@operator = Operator.LT;
}
alert = new SentimentAlert(property, @operator, value, subject);
alert.Graph = graphManager.AddAlertBarGraph();
existingAlert = repo.FindSentimentAlert((SentimentAlert)alert);
}
if (existingAlert != null)
{
alert = existingAlert;
}
else
{
this.Validate(alert);
repo.AddAlert(alert);
}
return(alert);
}
