307 lines
8.0 KiB
Python
307 lines
8.0 KiB
Python
import sqlite3
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import logging as log
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from typing import Sequence
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from flask import g
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from estusshots import models
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from estusshots.config import config
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class DataBaseError(Exception):
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"""General exception class for SQL errors"""
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def connect_db():
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"""Create a new sqlite3 connection and register it in 'g._database'"""
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db = getattr(g, "_database", None)
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if db is None:
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log.info(f"Connecting {config.DATABASE_PATH}")
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db = g._database = sqlite3.connect(config.DATABASE_PATH)
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db.row_factory = sqlite3.Row
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return db
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def query_db(query, args=(), one=False, cls=None):
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"""Runs an SQL query on an new database connection, returning the fetched rv"""
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log.debug(f"Running query ({query}) with arguments ({args})")
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cur = connect_db().execute(query, args)
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rv = cur.fetchall()
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cur.close()
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if cls:
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rv = [cls(**row) for row in rv]
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return (rv[0] if rv else None) if one else rv
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def update_db(query, args=(), return_key: bool = False):
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"""
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Runs an changing query on the database
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Returns either False if no error has occurred, or an sqlite3 Exception
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:param query: An SQL query string
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:param args: Tuple for inserting into a row
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:param return_key: Changes return behavior of the function:
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If used function will return last row id.
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Exceptions will be raised instead of returned.
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"""
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log.debug(f"Running query ({query}) with arguments ({args})")
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with connect_db() as con:
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cur = con.cursor()
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multi_args = any(isinstance(i, tuple) for i in args)
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try:
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if multi_args:
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cur.executemany(query, args)
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else:
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cur.execute(query, args)
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except sqlite3.Error as err:
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if not return_key:
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return err
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raise
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else:
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con.commit()
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return cur.lastrowid if return_key else False
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def init_db():
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"""Initialize the database from the 'schema.sql' script file"""
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file_name = "schema.sql"
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print(f'Creating database from file: "{file_name}"')
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with connect_db() as conn:
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with open(file_name, "r") as f:
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try:
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conn.cursor().executescript(f.read())
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except sqlite3.OperationalError as err:
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log.error(f"Cannot create database: {err}")
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conn.commit()
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def save_player_query(player):
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if not player.id:
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sql = "insert into player values (?, ?, ?, ?, ?)"
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args = (None, player.real_name, player.alias, player.hex_id, player.anon)
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else:
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sql = (
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"update player " "set real_name=?, alias=?, hex_id=?, anon=? " "where id==?"
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)
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args = (player.real_name, player.alias, player.hex_id, player.anon, player.id)
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return sql, args
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def save_player(player):
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sql, args = save_player_query(player)
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return update_db(sql, args)
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def load_players(id=None):
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sql = "select * from player"
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args = ()
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if id:
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sql += " where player.id = ?"
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args = (id,)
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sql += " order by player.id"
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return sql, args
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def load_drinks(id=None):
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sql = "select * from drink"
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args = ()
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if id:
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sql += " where drink.id = ?"
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args = (id,)
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sql += " order by drink.id"
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return sql, args
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def save_drink_query(drink):
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if not drink.id:
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sql = "insert into drink values (?, ?, ?)"
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args = (None, drink.name, drink.vol)
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else:
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sql = "update drink " \
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"set name=?, vol=? " \
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"where id==?"
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args = (drink.name, drink.vol, drink.id)
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return sql, args
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def save_drink(drink):
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sql, args = save_drink_query(drink)
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return update_db(sql, args)
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def load_enemies(id=None):
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sql = "select * from enemy"
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args = ()
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if id:
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sql += " where enemy.id = ?"
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args = (id,)
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sql += " order by enemy.id"
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return sql, args
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def load_enemies_for_season(season_id: int):
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sql = "select * from enemy " \
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"where season_id = ? or season_id = 'None'" \
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"order by enemy.id"
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args = (season_id, )
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return sql, args
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def save_enemy(enemy: models.Enemy):
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if not enemy.id:
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sql = "insert into enemy values (?, ?, ?, ?)"
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args = (None, enemy.name, enemy.boss, enemy.season_id)
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else:
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sql = "update enemy " \
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"set name=?, boss=?, season_id=? " \
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"where id==?"
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args = (enemy.name, enemy.boss, enemy.season_id, enemy.id)
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return sql, args
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def save_season_query(season: models.Season):
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if not season.id:
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sql = "insert into season values (?, ?, ?, ?, ?, ?)"
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args = (
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None,
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season.game,
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season.description,
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season.start,
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season.end,
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season.code,
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)
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else:
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sql = (
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"update season "
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"set game=?, description=?, start=?, end=?, code=? "
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"where id==?"
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)
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args = (
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season.game,
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season.description,
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season.start,
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season.end,
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season.code,
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season.id,
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)
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return sql, args
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def load_season(id=None):
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sql = "select * from season"
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args = ()
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if id:
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sql += " where season.id = ?"
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args = (id,)
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sql += " order by season.code"
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return sql, args
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def load_episode(episode_id: int = None):
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sql = "select * from episode"
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args = ()
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if episode_id:
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sql += " where episode.id = ?"
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args = (episode_id,)
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sql += " order by episode.code"
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return sql, args
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def load_episodes(season_id: int = None):
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sql = "select * from episode"
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args = ()
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if season_id:
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sql += " where episode.season_id = ?"
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args = (season_id,)
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sql += " order by episode.code"
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return sql, args
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def load_episode_player_links(episode_id: int):
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sql = "select * from episode_player where episode_id = ?"
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args = (episode_id,)
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return sql, args
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def load_episode_players(episode_id: int):
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sql = (
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"select player.* "
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"from player "
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"left join episode_player ep on player.id = ep.player_id "
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"where ep.episode_id = ?"
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)
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args = (episode_id,)
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return sql, args
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def save_episode_players(episode_id: int, player_ids: Sequence[int]):
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sql = "insert into episode_player values (?, ?, ?)"
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args = tuple((None, episode_id, i) for i in player_ids)
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return sql, args
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def remove_episode_player(episode_id: int, player_ids: Sequence[int]):
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sql = "delete from episode_player " "where episode_id = ? and player_id = ?"
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args = tuple((episode_id, pid) for pid in player_ids)
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return sql, args
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def save_episode(episode: models.Episode):
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if not episode.id:
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sql = "insert into episode values (?, ?, ?, ?, ?, ?, ?)"
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args = (
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None,
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episode.season_id,
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episode.title,
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episode.date,
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episode.start.timestamp(),
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episode.end.timestamp(),
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episode.code,
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)
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else:
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sql = (
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"update episode "
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"set season_id=?, title=?, date=?, start=?, end=?, code=?"
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"where id==?"
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)
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args = (
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episode.season_id,
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episode.title,
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episode.date,
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episode.start.timestamp(),
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episode.end.timestamp(),
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episode.code,
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episode.id,
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)
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return sql, args
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def save_event(event: models.Event):
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args = [
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None,
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event.episode_id,
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event.player_id,
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event.enemy_id,
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event.type.name,
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event.time.timestamp(),
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event.comment,
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]
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if not event.event_id:
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sql = "insert into event values (?, ?, ?, ?, ?, ?, ?)"
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else:
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sql = (
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"where id==? "
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"update event "
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"set episode_id=?, player_id=?, enemy_id=?, type=?, time=?, comment=?"
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)
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args[0] = event.event_id
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return sql, args
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def load_events(episode_id: int):
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sql = "select * from event where episode_id = ?"
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args = (episode_id,)
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return sql, args
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