[refactor] Processing guesses moved to own class

GhostBallBot/game/guess.py

@@ -0,0 +1,114 @@
+import math
+
+# Import game functions
+from database.models import (
+    GameModel as Game,
+    GuessModel as Guess,
+    PlayerModel as Player,
+)
+
+class ProcessGuess:
+    def __init__(self, game, **kwargs):
+        self.game_manager = game
+
+        self.message = kwargs.get("message")
+        self.pitch_value = kwargs.get("pitch_value")
+        self.difference = kwargs.get("difference")
+        self.difference_score = kwargs.get("difference_score")
+        self.guesses = kwargs.get("guesses")
+        self.guess = kwargs.get("guess")
+
+    def get_guesses(self):
+        # Get all guesses for this game as a list of combo Guess + Player models,
+        # excluding invalid results, from lowest to highest
+        # http://docs.peewee-orm.com/en/latest/peewee/query_examples.html#joins-and-subqueries
+        self.guesses = (
+            Guess.select(
+                Guess.guess,
+                Player.player_id,
+                Player.player_name,
+                Player.total_points,
+            )
+            .join(Player)
+            .where(
+                (Guess.game_id == self.game_manager.game.game_id)
+                & (Guess.guess > 0)
+                & (Guess.player.player_id == Player.player_id)
+            )
+            .order_by(Guess.guess)
+        )
+        return self.guesses
+
+    def update_difference_value(self):
+        # Update player's difference in guessed value
+        Guess.update({"difference": self.difference}).where(
+            (Guess.game_id == self.game_manager.game.game_id)
+            & (Guess.player.player_id == self.guess.player.player_id)
+            & (Guess.guess_id == self.guess.guess_id)
+        ).execute()
+
+    def update_player_total_points(self):
+        # Update player's total score
+        Player.update(
+            {
+                "total_points": math.floor(
+                    self.guess.player.total_points + self.difference_score
+                )
+            }
+        ).where(Player.player_id == self.guess.player.player_id).execute()
+
+    def get_difference(self, guess=None):
+        """Difference calculation, includes "loop over" effect"""
+        if not guess:
+            guess = self.guess
+
+        difference = abs(guess - self.pitch_value)
+
+        if difference > 500:
+            return 1000 - difference
+
+        self.difference = difference
+
+        self.update_difference_value()
+        return self.difference
+
+    def get_difference_score(self):
+        self.difference_score = 0
+
+        self.update_player_total_points()
+        return self.difference_score
+
+    def get_winner_loser(self):
+        # Determine which guesses are closest and furthest from the pitch_value
+        guess_values = [record.guess for record in self.guesses]
+        # Closest to the pitch_value
+        winner = min(guess_values, key=lambda guess: self.get_difference(guess))
+        # Furthest from the pitch_value
+        loser = max(guess_values, key=lambda guess: self.get_difference(guess))
+
+        return winner, loser
+
+    def process_guesses(self):
+        """
+        Iterates through the guesses for this game, and appends to the message string
+        the results of how well that player performed this round.
+
+        Uses the pitch_value to determine the difference from their guess to the correct score
+        """
+        winner, loser = self.get_winner_loser()
+
+        for guess in self.get_guesses():
+            self.guess = guess
+
+            difference = self.get_difference()
+            difference_score = self.get_difference_score()
+
+            self.message += f"{guess.player.player_name} | {guess.guess} | {difference} | {difference_score} | {guess.player.total_points}\n"
+
+            if guess.guess == winner:
+                closest_player_id = guess.player.player_id
+
+            if guess.guess == loser:
+                furthest_player_id = guess.player.player_id
+
+        return self.message, closest_player_id, furthest_player_id