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import sqlite3
class UserRepository:
conn = None
def __init__(self, db_path):
self.__initialize()
def __initialize(self):
cur = self.__getConnection().cursor()
cur.execute("CREATE TABLE IF NOT EXISTS user(chat_id INT, alias TEXT)")
cur.execute("CREATE UNIQUE INDEX IF NOT EXISTS chat_id_idx ON user(chat_id)")
def __getConnection(self):
return sqlite3.connect('db.sqlite')
def getUser(self, chat_id):
connection = self.__getConnection()
cur = connection.cursor()
query = "select * from user where chat_id = {chat_id}".format(chat_id = chat_id)
cur.execute(query)
return cur.fetchone()
def getAllUsers(self):
connection = self.__getConnection()
cur = connection.cursor()
query = "select * from user"
cur.execute(query)
return cur.fetchall()
def removeChat(self, chat_id):
connection = self.__getConnection()
cur = connection.cursor()
query = "DELETE FROM user where chat_id = {chat_id}".format(
chat_id = chat_id)
cur.execute(query)
connection.commit()
def putUser(self, chat_id, alias):
if not self.getUser(chat_id):
connection = self.__getConnection()
cur = connection.cursor()
query = "INSERT INTO user(chat_id, alias) VALUES({chat_id}, '{text}')".format(
chat_id = chat_id,
text = alias)
cur.execute(query)
connection.commit()
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