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database.py
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database.py
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from sqlite3 import connect
from user import User
class Database:
connection = connect("database.db")
@classmethod
def create_table(cls):
sql = """CREATE TABLE IF NOT EXISTS users(user_id INTEGER PRIMARY KEY, gender INTEGER, name TEXT, age INTEGER, match_id INTEGER)"""
cursor = cls.connection.cursor()
cursor.execute(sql)
cls.connection.commit()
@classmethod
def insert_user(cls, user):
sql = """INSERT INTO users VALUES (?, ?, ?, ?, ?)"""
cursor = cls.connection.cursor()
cursor.execute(sql, (user.id, user.gender, user.name, user.age, user.match_id))
cls.connection.commit()
@classmethod
def update_user(cls, user):
sql = """UPDATE users SET gender = ?, name = ?, age = ?, match_id = ? WHERE user_id = ?"""
cursor = cls.connection.cursor()
cursor.execute(sql, (user.gender, user.name, user.age, user.match_id, user.id))
cls.connection.commit()
@classmethod
def save_user(cls, user):
result = cls.select_user(user.id)
if result is None:
cls.insert_user(user)
else:
cls.update_user(user)
@classmethod
def select_user(cls, user_id):
sql = """SELECT * FROM users WHERE user_id = ?"""
cursor = cls.connection.cursor()
cursor.execute(sql, (user_id,))
return cursor.fetchone()
@classmethod
def load_user(cls, user_id):
result = cls.select_user(user_id)
if result is None:
return User(user_id)
return User(*result)
Database.create_table()