public string Summarize(DateTime startDate, DateTime endDate)
{
// add an overall summary
List <LifeSummaryItem> components = new List <LifeSummaryItem>();
List <Participation> containedParticipations = this.engine.ActivityDatabase.RootActivity.getParticipationsSince(startDate);
// summarize some individual participations
List <Participation> sampleParticipations = this.chooseRandomParticipations(containedParticipations, 80);
foreach (Participation participation in sampleParticipations)
{
components.Add(this.summarizeParticipation(participation));
}
// find the most interesting summaries and remove the rest
components.Sort(new LifeSummaryItem_InterestComparer());
components.Reverse();
int maxCount = 20;
if (components.Count > maxCount)
{
components = components.GetRange(0, maxCount);
}
// reorder the summaries based on the order we want to display them
components.Sort(new LifeSummaryItem_DateComparer());
// compute very brief summary
List <string> texts = new List <string>();
texts.Add(this.EvaluateQualityOfLife(engine, startDate, endDate).text);
// join all the summaries with newlines
LifeSummaryItem previousItem = null;
foreach (LifeSummaryItem item in components)
{
texts.Add(this.summaryWithConnector(item, previousItem));
previousItem = item;
}
texts.Add("Sincerely, " + persona.Name);
return(string.Join("\n\n", texts));
}
private string summaryWithConnector(LifeSummaryItem item, LifeSummaryItem prev)
{
if (prev == null)
{
return(item.text);
}
List <String> happinessConnectors = new List <string>();
double baseline = 0.5;
bool prevGood = prev.happiness >= baseline;
bool currentGood = item.happiness >= baseline;
// If the user did something sad followed by something happy, we can say "X was mediocre. However, Y was great!"
if (prevGood != currentGood)
{
happinessConnectors.Add("However");
}
List <String> temporalConnectors = new List <string>();
TimeSpan timeBetween = item.startDate.Subtract(prev.endDate);
// both events occurred on the same day
bool overlapping = prev.endDate.CompareTo(item.startDate) > 0;
int numDaysLater = (int)(item.startDate.Date.Subtract(prev.endDate.Date).TotalDays + 0.5);
if (overlapping)
{
temporalConnectors.Add("Meanwhile");
temporalConnectors.Add("At the same time");
}
else
{
if (timeBetween.CompareTo(TimeSpan.FromMinutes(5)) < 0)
{
temporalConnectors.Add("Then");
temporalConnectors.Add("Next");
temporalConnectors.Add("After that");
}
else
{
if (timeBetween.CompareTo(TimeSpan.FromHours(1)) < 0)
{
temporalConnectors.Add("A little while later");
temporalConnectors.Add("Not long after that");
if (numDaysLater == 0)
{
temporalConnectors.Add("Later that day");
}
else
{
temporalConnectors.Add("Then, a little bit after midnight");
}
}
else
{
if (numDaysLater == 0)
{
temporalConnectors.Add("Later that day");
}
else if (numDaysLater == 1)
{
temporalConnectors.Add("The next day");
}
else if (numDaysLater == 2)
{
temporalConnectors.Add("A couple days later");
}
else if (numDaysLater < 5)
{
temporalConnectors.Add("A few days later");
}
else if (numDaysLater < 10)
{
temporalConnectors.Add("About a week later");
}
else if (numDaysLater < 18)
{
temporalConnectors.Add("A couple weeks later");
}
else if (numDaysLater < 40)
{
temporalConnectors.Add("About a month later");
}
else if (numDaysLater < 80)
{
temporalConnectors.Add("A couple months later");
}
else if (numDaysLater < 120)
{
temporalConnectors.Add("A few months later");
}
}
}
}
string connector = "";
if (happinessConnectors.Count > 0 && this.generator.NextDouble() < 0.33)
{
connector = this.randomString(happinessConnectors) + ", ";
}
else
{
if (temporalConnectors.Count > 0 && this.generator.NextDouble() < 0.33)
{
connector += this.randomString(temporalConnectors) + ", ";
}
}
string summary = connector + item.text;
return(summary);
}