Scala2.txt

import scala.language.postfixOps
import scala.collection.mutable.ArrayBuffer

trait IWebResource {
  var _url : String;
  var _searchTerm : String;
  var _content : String
}

trait TrafficFocusedEvaluator {
  
  var thousandRate : Int = 5;
  
  def EstimateWorth(website: Website) : Double = {
      return website._trafficPerMonth/1000 * thousandRate;
  }
}

trait SiteMetricsFocusedEvaluator {
  
    var _specialCountries : ArrayBuffer[String]  = ArrayBuffer("USA", "Germany", "United Kingdom", "Canada", "Spain");
  
    def EstimateWorth(website: Website) : Double = {
     var worth : Double = 0;
      
     if (website._age > 5) {
       worth += 1000 * website._age
     } else {
       worth += 200 * website._age
     }
      
      for (country <- _specialCountries) {
        if (country == website._location) {
          worth += 5000l
        }
      }
      return worth;
  }
}

trait OldRanker {
  
  var _blackList : ArrayBuffer[String]  = ArrayBuffer("Drugs", "Alcohol", "Guns", "Violence", "Pornography", "Gambling", "Casino");
  
  def DetermineTopic(resourceContent : String) : String = {
    var titleStart = resourceContent.indexOf("<title>");
    var titleEnd = resourceContent.indexOf("</title>");
    var topic : String = "";
    
    if (titleStart == -1 || titleEnd == -1) {
      return "undefinedTopic"
    } else {
      return resourceContent.substring(titleStart + 7, titleEnd);
    }
  }
  
  def GetAlgorithmDescription() : String = {
      return "Old 90s algorithm";
  }
  
      def IsSpammy(topic : String, webResource : IWebResource) : Boolean = {
				for(word <- _blackList) {
          if ((webResource._url.toLowerCase() contains word.toLowerCase()) || (webResource._content.toLowerCase() contains word.toLowerCase()) || (topic.toLowerCase() contains word.toLowerCase()) ) {
            return true
          }        
        }
        return false;
  		}
}
  
trait NewRanker {
    var _blackList : ArrayBuffer[String]  = ArrayBuffer("Drugs", "Alcohol", "Guns", "Violence", "Pornography", "Gambling", "Casino");
  
    def DetermineTopic(resourceContent : String) : String = {
      var titleStart = resourceContent.indexOf("<h1>");
      var titleEnd = resourceContent.indexOf("</h1>");
      var topic : String = "";

      if (titleStart == -1 || titleEnd == -1) {
        return "undefinedTopic"
      } else {
        return resourceContent.substring(titleStart + 4, titleEnd);
      }
    }

      def GetAlgorithmDescription() : String = {
      return "The new Panda SERP algorithm";
    }
  
    def IsSpammy(topic : String, webResource : IWebResource) : Boolean = {
      var words = webResource._content.split(' ');
      var totalLength = words.length;
      var counter : Int = 0;
      var rate : Double = 0.00;
      println("Total words: " + totalLength);
      for(e<-words) {
        if (topic contains e) {
          counter += 1;
          rate = (counter.toDouble / totalLength).toDouble;

          if (rate > 0.05) {
            println("Detected topic frequency rate is " + rate + " it is a spammy rate!!");
            return true
          }
        }
      }
      rate = (counter.toDouble / totalLength).toDouble;
      println("Detected topic frequency rate is " + rate + " it is a normal rate");
      return false;
  }
}

abstract class Video (url: String, searchTerm: String, title: String, views: Int) extends IWebResource {
  var _url : String = url;
  var _searchTerm : String = searchTerm;
  var _title : String = title;
  var _views : Int = views;
  var _content : String = "";
  
  var _deleted : Boolean = false;
  
  def ToBeSuspended() : Boolean = {
    println("Checking video using " + GetAlgorithmDescription());
    
    if (IsSpammy(_title, this)) {
      println("Content does not match title, video will be removed");
      _deleted = true;
      return true;
    } else {
    	println("Content does match title, video will not be removed");
      _deleted = false;
      return false;
    }
  }
  
  protected def GetAlgorithmDescription() : String
  protected def IsSpammy(topic: String, webResource : IWebResource) : Boolean
}
  

abstract class Website (url: String, age: Int, location: String, currentPosition: Int, searchTerm: String, trafficPerMonth: Int) extends IWebResource {
  
  var _premiumCriteria : Int = 5000;
  var _url : String = url;
  var _age : Int = age;
  var _location : String = location;
  var _currentPosition: Int = currentPosition;
  var _searchTerm : String = searchTerm;
  var _trafficPerMonth : Int = trafficPerMonth;
  var _isPremium : Boolean = false;
  var _content : String = "";
  
  def CheckForPremiumStatus() : Boolean = {
    var value : Double = EstimateWorth(this);
    println("Estimated website value: " + value);
    
    if (value > _premiumCriteria) {
          println("Site applicable to premium");
      		_isPremium = true;
      return _isPremium;
    } else {
          println("Site not applicable to premium");
          _isPremium = false;
      return _isPremium;
    }
  }
  
  def RecalculateSERP() : Int = {
    
    var websiteTopic : String = getWebsiteTopic();
    
      if (!isWebSpammy(websiteTopic)) {

        alterRanking(true);
      } else {
        alterRanking(false);
      }
    	
    	return _currentPosition;
  	}
  
  private def isWebSpammy(topic: String) : Boolean = {
    var isSpammy : Boolean = IsSpammy(topic, this);
    println("Website is condidered spammy?" + isSpammy);
    return isSpammy;
  }
  
  private def alterRanking(up: Boolean) : Unit = {
    println("Previous rank: " + _currentPosition);
    
    if (up) {
      if (_currentPosition > 1) {
        _currentPosition -= 1;
        println("Website went up after checking with" + GetAlgorithmDescription());
      }
    } else {
        _currentPosition+=1;
        println("Website went down after checking with" + GetAlgorithmDescription());
    }
  }
  
  private def getWebsiteTopic() : String = {
    var topic : String = DetermineTopic(_content);
    
    println("Website topic is: " + topic);
		return topic;
	}
  
  protected def DetermineTopic(resourceContent: String) : String
  protected def GetAlgorithmDescription() : String
  protected def IsSpammy(topic: String, webResource : IWebResource) : Boolean
  protected def EstimateWorth(website : Website) : Double 
}

var website : Website = new Website("https://casino.com", 5, "USA", 1, "best casino", 500000) with OldRanker with TrafficFocusedEvaluator
//var website : Website = new Website("https://casino.com", 5, "USA", 1, "best casino", 500000) with NewRanker with SiteMetricsFocusedEvaluator
website._content = "<!DOCTYPE html><html><head><meta charset='utf-8' /<meta http-equiv='X-UA-Compatible' content='IE=edge'><title>Some casino website</title><meta name='viewport' content='width=device-width, initial-scale=1'><link rel='stylesheet' type='text/css' media='screen' href='main.css' /><script src='main.js'></script></head><body><h1>Casino</h1><p>Lorem ipsum dolor sit Casino amet consectetur adipisicing elit. Temporibus repellendus dicta, dolores voluptates assumenda suscipit possimus. Veritatis impedit blanditiis vel! Officiis, explicabo eveniet quas nemo aliquid impedit incidunt maiores soluta.Quam vero culpa ipsum iste consequuntur magni obcaecati praesentium id </p></body></html>"
website.RecalculateSERP();
website.CheckForPremiumStatus();

var video : Video = new Video("https://www.youtube.com/watch?v=szk1wnalFRQ", "cernobylio avarija", "Praeities Atgarsiai: Cernobylio avarija", 4750) with NewRanker
video._content = "Pasakojimas apie Cernobyli ir šalia jo avarija esanti apleista miesta Pripete. Laidos FaceBook: https://www.facebook.com/praeitiesatg... Autoriaus FaceBook: https://www.facebook.com/andriuspl/ Instagram: https://www.instagram.com/praeities_a... Internetine svetaine: http://praeitiesatgarsiai.lt"
video.ToBeSuspended();