1 """Domain models used by the demo application."""
   2
   3
   4 class Market:
   5     def __init__(self, question, yes_price, volume):
   6         self.question = question
   7         self.yes_price = yes_price
   8         self.volume = volume
   9
  10     def liquidity_label(self):
  11         if self.volume >= 100000:
  12             return "deep"
  13         if self.volume >= 50000:
  14             return "active"
  15         return "emerging"
  16
  17
  18 class Prediction:
  19     def __init__(self, market, score, confidence):
  20         self.market = market
  21         self.score = score
  22         self.confidence = confidence
  23
  24     def summary(self):
  25         direction = "YES" if self.score >= 0.5 else "NO"
  26         return direction + " · " + self.confidence + " · " + self.market.question
  27
  28
  29 class Report:
  30     def __init__(self, title, predictions):
  31         self.title = title
  32         self.predictions = predictions
  33
  34     def strongest(self):
  35         best = self.predictions[0]
  36         for prediction in self.predictions[1:]:
  37             if prediction.score > best.score:
  38                 best = prediction
  39         return best