/// <summary>
/// Triggers the action if the score falls between the min and max thresholds
/// </summary>
/// <param name="score">The score to test</param>
/// <param name="crawl">The crawl the scroe is for</param>
public void Trigger(double score, PageCrawl crawl)
{
if (score > min && score < max)
{
action.Invoke(score, crawl);
}
}
/// <summary>
/// Triggers the action of the rule if the score is greater than or equal to the threshold
/// </summary>
/// <param name="score">The score to test against the threshold</param>
public void Trigger(double score, PageCrawl crawl)
{
if (score >= threshold)
{
action.Invoke(score, crawl);
}
}
/// <summary>
/// Score a page using the average of all scores
/// Trigger rules with the score and crawl
/// </summary>
/// <param name="crawl">The crawl to score</param>
public void Score(PageCrawl crawl, string comparison)
{
double score = 0;
foreach (IStringComparisonScorer scorePipe in scorers)
{
score += scorePipe.Score(crawl.Content, comparison);
}
score = score / (double)scorers.Count;
Console.WriteLine(crawl.Page + " scored " + score);
foreach (IScoreThresholdRule rule in thresholdActions)
{
rule.Trigger(score, crawl);
}
}
/// <summary>
/// Handle a new candidate
/// Keeps a reference to the crawl and score, if the page is already present in the store then update score to the maximum of both
/// </summary>
/// <param name="score">The score of the candidate</param>
/// <param name="candiate">The candidate</param>
public void HandleCandidate(double score, PageCrawl candiate)
{
// Update existing
IEnumerable <CandidateScore> matchingCandidates = candidates.Where(x => x.Candidate.Page.ToString() == candiate.Page.ToString());
if (matchingCandidates.Count() > 0)
{
CandidateScore existing = matchingCandidates.First();
existing.Score = Math.Max(existing.Score, score);
Console.WriteLine("Existing candidate: " + candiate.Page + " - score updated to " + existing.Score);
return;
}
// Add new
Console.WriteLine("New candidate: " + candiate.Page + " - " + score);
candidates.Add(new CandidateScore(score, candiate));
}
public CandidateScore(double score, PageCrawl candidate)
{
this.score = score;
this.candidate = candidate;
}
public Page(Uri uri, Page linkedFrom)
{
this.uri = uri;
this.linkedFrom = linkedFrom;
this.crawl = crawl;
}
