124 lines
3.8 KiB
Python
124 lines
3.8 KiB
Python
import psycopg2
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from typing import Optional
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## global connection
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conn = psycopg2.connect("dbname=hanab-live user=postgres")
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## cursor
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cur = conn.cursor()
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# cur.execute("DROP TABLE games;")
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# conn.commit()
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# exit(0)
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## check if table exists, else create it
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def create_games_table():
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tablename = "games"
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cur.execute("SELECT EXISTS (SELECT FROM pg_tables WHERE schemaname = 'public' AND tablename = '{}');".format(tablename))
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a = cur.fetchone()
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if a[0] is False:
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print("Creating table '{}'".format(tablename))
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cur.execute(
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"CREATE TABLE {} ("
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"id INT PRIMARY KEY,"
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"num_players SMALLINT NOT NULL,"
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"score SMALLINT NOT NULL,"
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"seed TEXT NOT NULL,"
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"variant_id SMALLINT NOT NULL,"
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"deck_plays BOOLEAN,"
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"one_extra_card BOOLEAN,"
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"one_less_card BOOLEAN,"
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"all_or_nothing BOOLEAN,"
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"num_turns SMALLINT,"
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"actions TEXT"
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");".format(tablename))
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conn.commit()
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# else:
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# print("table already exists")
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def create_seeds_table():
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tablename = 'seeds'
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cur.execute("SELECT EXISTS (SELECT FROM pg_tables WHERE schemaname = 'public' AND tablename = '{}');".format(tablename))
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a = cur.fetchone()
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if a[0] is False:
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print("Creating table '{}'".format(tablename))
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cur.execute(
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"CREATE TABLE {} ("
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"seed TEXT NOT NULL PRIMARY KEY,"
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"num_players SMALLINT NOT NULL,"
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"variant_id SMALLINT NOT NULL,"
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"feasible BOOLEAN," # theoretical solvability
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"max_score_theoretical SMALLINT" # if infeasible, max score
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"deck VARCHAR(60)"
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");".format(tablename))
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conn.commit()
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create_games_table()
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create_seeds_table()
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class Game():
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def __init__(self, info=None):
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self.id = -1
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self.num_players = -1
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self.score = -1
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self.seed = ""
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self.variant_id = -1
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self.deck_plays = None
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self.one_extra_card = None
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self.one_less_card = None
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self.all_or_nothing = None
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self.num_turns = None
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if type(info) == dict:
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self.__dict__.update(info)
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@staticmethod
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def from_tuple(t):
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g = Game()
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g.id = t[0]
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g.num_players = t[1]
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g.score = t[2]
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g.seed = t[3]
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g.variant_id = t[4]
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g.deck_plays = t[5]
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g.one_extra_card = t[6]
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g.one_less_card = t[7]
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g.all_or_nothing = t[8]
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g.num_turns = t[9]
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return g
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def __eq__(self, other):
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return self.__dict__ == other.__dict__
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def load(game_id: int) -> Optional[Game]:
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cur.execute("SELECT * from games WHERE id = {};".format(game_id))
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a = cur.fetchone()
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if a is None:
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return None
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else:
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return Game.from_tuple(a)
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def store(game: Game):
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stored = load(game.id)
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if stored is None:
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# print("inserting game with id {} into DB".format(game.id))
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cur.execute(
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"INSERT INTO games"
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"(id, num_players, score, seed, variant_id)"
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"VALUES"
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"(%s, %s, %s, %s, %s);",
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(game.id, game.num_players, game.score, game.seed, game.variant_id)
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)
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else:
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if not stored == game:
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print("Already stored game with id {}, aborting".format(game.id))
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print("Stored game is: {}".format(stored.__dict__))
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print("New game is: {}".format(game.__dict__))
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def commit():
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conn.commit()
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