151 lines
5.1 KiB
Python
151 lines
5.1 KiB
Python
#!/usr/bin/env python3
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# Copyright 2022 - c0de <c0de@c0de.dev>
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# Licensed under the MIT License (https://opensource.org/licenses/MIT)
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# pylint: disable=unnecessary-lambda,line-too-long
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"""
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Handling backend database stuff for a player's guess to make the GameManager smaller
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"""
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import math
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# Import game functions
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from database.models import (
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GuessModel as Guess,
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PlayerModel as Player,
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)
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class ProcessGuess:
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"""
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A helper class for the GameManager that handles the logic behind a player's guess
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"""
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def __init__(self, game, **kwargs):
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self.game_manager = game
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self.message = kwargs.get("message")
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self.pitch_value = kwargs.get("pitch_value")
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self.difference = kwargs.get("difference")
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self.difference_score = kwargs.get("difference_score")
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self.guesses = kwargs.get("guesses")
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self.guess = kwargs.get("guess")
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def get_guesses(self):
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"""
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Get all guesses for this game as a list of combo Guess + Player models,
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excluding invalid results, from lowest to highest value
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http://docs.peewee-orm.com/en/latest/peewee/query_examples.html#joins-and-subqueries
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"""
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self.guesses = (
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Guess.select(
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Guess.guess,
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Player.player_id,
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Player.player_name,
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Player.total_points,
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)
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.join(Player)
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.where(
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(Guess.game == self.game_manager.game.game_id)
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& (Guess.guess > 0)
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& (Guess.player.player_id == Player.player_id)
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)
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.order_by(Guess.guess)
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)
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return self.guesses
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def update_difference_value(self):
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"""Store the difference between the player's guessed value and the pitch_value"""
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Guess.update({"difference": self.difference}).where(
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(Guess.game.game_id == self.game_manager.game.game_id)
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& (Guess.player.player_id == self.guess.player.player_id)
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& (Guess.guess_id == self.guess.guess_id)
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).execute()
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def update_player_total_points(self):
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"""Update player's total score with how many points they won this round"""
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Player.update(
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{
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"total_points": math.floor(
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self.guess.player.total_points + self.difference_score
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)
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}
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).where(Player.player_id == self.guess.player.player_id).execute()
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def get_difference(self, guess=None):
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"""Difference calculation, includes "loop over" effect"""
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if not guess:
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guess = self.guess.guess
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difference = abs(guess - self.pitch_value)
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if difference > 500:
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return 1000 - difference
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self.difference = difference
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self.update_difference_value()
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return self.difference
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def get_difference_score(self):
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"""
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Calculate points for the player based on how close
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they are (within range of 0-500) to the pitch_value
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"""
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if self.difference == 0:
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self.difference_score = 15
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elif self.difference > 0 and self.difference < 21:
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self.difference_score = 8
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elif self.difference > 20 and self.difference < 51:
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self.difference_score = 5
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elif self.difference > 50 and self.difference < 101:
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self.difference_score = 3
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elif self.difference > 100 and self.difference < 151:
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self.difference_score = 2
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elif self.difference > 150 and self.difference < 201:
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self.difference_score = 1
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elif self.difference > 200 and self.difference < 495:
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self.difference_score = 0
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else:
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self.difference_score = -5
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self.update_player_total_points()
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return self.difference_score
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def get_winner_loser(self):
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"""Determine which guesses are closest and furthest from the pitch_value"""
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guess_values = [record.guess for record in self.get_guesses()]
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# Closest to the pitch_value
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winner = min(guess_values, key=lambda guess: self.get_difference(guess))
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# Furthest from the pitch_value
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loser = max(guess_values, key=lambda guess: self.get_difference(guess))
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return winner, loser
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def process_guesses(self):
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"""
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Iterates through the guesses for this game, and appends to the message string
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the results of how well that player performed this round.
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Uses the pitch_value to determine the difference from their guess to the correct score
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"""
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winner, loser = self.get_winner_loser()
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for guess in self.get_guesses():
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self.guess = guess
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difference = self.get_difference()
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difference_score = self.get_difference_score()
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self.message += f"{guess.player.player_name} | {guess.guess} | {difference} | {difference_score} | {guess.player.total_points}\n"
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if guess.guess == winner:
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closest_player_id = guess.player.player_id
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if guess.guess == loser:
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furthest_player_id = guess.player.player_id
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return self.message, closest_player_id, furthest_player_id
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