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79 lines
2.5 KiB
79 lines
2.5 KiB
from random import choices
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import sqlite3
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import config
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DB_PATH = config.DB_PATH
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CONNECTION: sqlite3.Connection
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CURSOR: sqlite3.Cursor
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def connect() -> None:
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'''Creates a connection to the database'''
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print('Connecting to the database...')
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global CONNECTION
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global CURSOR
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CONNECTION = sqlite3.connect(DB_PATH, autocommit=True)
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CONNECTION.row_factory = sqlite3.Row
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CURSOR = CONNECTION.cursor()
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def get_random_character():
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''' Gets a random character from the database'''
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CURSOR.execute('SELECT * FROM characters')
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characters = CURSOR.fetchall()
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if not characters:
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return None, None, None, None
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weights = [c['weight'] for c in characters]
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chosen = choices(characters, weights=weights, k=1)[0]
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return chosen['id'], chosen['name'], chosen['file_id'], chosen['rarity']
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def get_or_create_user(username):
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'''Retrieves an ID for a given user, if the user does not exist, it will be
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created.'''
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CURSOR.execute('SELECT id FROM users WHERE username = ?', (username,))
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user = CURSOR.fetchone()
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if user:
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return user[0]
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# New user starts with has_rolled = False
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CURSOR.execute(
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'INSERT INTO users (username, has_rolled) VALUES (?, ?)',
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(username, False)
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)
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user_id = CURSOR.lastrowid
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return user_id
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def insert_character(name: str, rarity: int, weight: float, file_id: str) -> int:
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'''Inserts a character'''
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CURSOR.execute(
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'INSERT INTO characters (name, rarity, weight, file_id) VALUES (?, ?, ?, ?)',
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(name, rarity, weight, file_id)
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)
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character_id = CURSOR.lastrowid
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return character_id if character_id else 0
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def insert_pull(user_id, character_id):
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'''Creates a pull in the database'''
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CURSOR.execute(
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'INSERT INTO pulls (user_id, character_id) VALUES (?, ?)',
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(user_id, character_id)
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)
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def get_last_rolled_at(user_id):
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'''Gets the timestamp when the user last rolled'''
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CURSOR.execute("SELECT timestamp FROM pulls WHERE user_id = ? ORDER BY timestamp DESC", \
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(user_id,))
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row = CURSOR.fetchone()
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return row[0] if row else None
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def get_config(key):
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'''Reads the value for a specified config key from the db'''
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CURSOR.execute("SELECT value FROM config WHERE key = ?", (key,))
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row = CURSOR.fetchone()
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return row[0] if row else None
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def set_config(key, value):
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'''Writes the value for a specified config key to the db'''
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CURSOR.execute("INSERT OR REPLACE INTO config (key, value) VALUES (?, ?)", (key, value))
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