182 lines
4.8 KiB
Python
182 lines
4.8 KiB
Python
import sqlite3
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import logging
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import logging.config
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import pathlib
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if not pathlib.Path("logs").is_dir():
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pathlib.Path("logs").mkdir()
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logging.config.fileConfig("logging.conf")
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logger = logging.getLogger("pfbudget.transactions")
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__DB_NAME = "data.db"
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CREATE_TRANSACTIONS_TABLE = """
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CREATE TABLE IF NOT EXISTS transactions (
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date TEXT NOT NULL,
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description TEXT,
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bank TEXT,
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value REAL NOT NULL,
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category TEXT
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);
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"""
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CREATE_VACATIONS_TABLE = """
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CREATE TABLE IF NOT EXISTS vacations (
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start TEXT NOT NULL,
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end TEXT NOT NULL
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)
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"""
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CREATE_BACKUPS_TABLE = """
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CREATE TABLE IF NOT EXISTS backups (
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datetime TEXT NOT NULL,
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file TEXT NOT NULL
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)
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"""
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CREATE_BANKS_TABLE = """
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CREATE TABLE banks (
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name TEXT NOT NULL PRIMARY KEY,
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url TEXT
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)
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"""
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ADD_TRANSACTION = """
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INSERT INTO transactions (date, description, bank, value, category) values (?,?,?,?,?)
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"""
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UPDATE_CATEGORY = """
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UPDATE transactions
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SET category = (?)
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WHERE date = (?) AND description = (?) AND bank = (?) AND value = (?)
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"""
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DUPLICATED_TRANSACTIONS = """
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SELECT COUNT(*), date, description, bank, value
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FROM transactions
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GROUP BY date, description, bank, value
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HAVING COUNT(*) > 1
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"""
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SORTED_TRANSACTIONS = """
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SELECT *
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FROM transactions
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ORDER BY (?)
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"""
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SELECT_TRANSACTIONS_BETWEEN_DATES = """
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SELECT *
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FROM transactions
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WHERE date BETWEEN (?) AND (?)
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"""
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SELECT_TRANSACTIONS_BY_CATEGORY = """
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SELECT *
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FROM transactions
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WHERE category = (?)
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"""
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SELECT_TRANSACTION_BY_PERIOD = """
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SELECT EXTRACT((?) FROM date) AS (?), date, description, bank, value
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FROM transactions
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"""
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class DBManager:
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"""SQLite DB connection manager"""
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def __init__(self, db):
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self.db = db
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self.__create_tables(
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(
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("transactions", CREATE_TRANSACTIONS_TABLE),
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("vacations", CREATE_VACATIONS_TABLE),
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("backups", CREATE_BACKUPS_TABLE),
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)
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)
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def __execute(self, query, params=None):
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ret = None
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try:
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con = sqlite3.connect(self.db)
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with con:
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if params:
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ret = con.execute(query, params).fetchall()
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logger.debug(f"[{self.db}] < {query}{params}")
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else:
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ret = con.execute(query).fetchall()
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logger.debug(f"[{self.db}] < {query}")
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if ret:
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logger.debug(f"[{self.db}] > {ret}")
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except sqlite3.Error:
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logger.exception(f"Error while executing [{self.db}] < {query}")
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finally:
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con.close()
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return ret
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def __executemany(self, query, list_of_params):
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ret = None
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try:
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con = sqlite3.connect(self.db)
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with con:
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ret = con.executemany(query, list_of_params).fetchall()
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logger.debug(f"[{self.db}] < {query}{list_of_params}")
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except sqlite3.Error:
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logger.exception(
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f"Error while executing [{self.db}] < {query} {list_of_params}"
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)
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finally:
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con.close()
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return ret
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def __create_tables(self, tables):
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for table_name, query in tables:
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logger.info(f"Creating table if it doesn't exist {table_name}")
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self.__execute(query)
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def select_all(self):
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logger.info(f"Reading all transactions from {self.db}")
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return self.__execute("SELECT * FROM transactions")
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def add_transaction(self, transaction):
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logger.info(f"Adding {transaction} into {self.db}")
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self.__execute(ADD_TRANSACTION, transaction)
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def add_transactions(self, transactions):
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logger.info(f"Adding {len(transactions)} into {self.db}")
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self.__executemany(ADD_TRANSACTION, transactions)
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def update_category(self, transaction):
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logger.info(f"Update {transaction} category")
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self.__execute(UPDATE_CATEGORY, (transaction[4], *transaction[:4]))
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def get_duplicated_transactions(self):
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logger.info("Get duplicated transactions")
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return self.__execute(DUPLICATED_TRANSACTIONS)
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def get_sorted_transactions(self, key):
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logger.info(f"Get transactions sorted by {key}")
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return self.__execute(SORTED_TRANSACTIONS, key)
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def get_daterange(self, start, end):
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logger.info(f"Get transactions from {start} to {end}")
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return self.__execute(SELECT_TRANSACTIONS_BETWEEN_DATES, (start, end))
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def get_category(self, value):
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logger.info(f"Get transaction where category = {value}")
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return self.__execute(SELECT_TRANSACTIONS_BY_CATEGORY, (value,))
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def get_by_period(self, period):
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logger.info(f"Get transactions by {period}")
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return self.__execute(SELECT_TRANSACTION_BY_PERIOD, period)
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def query(self, query, params=None):
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logger.info(f"Executing {query} with params={params}")
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return self.__execute(query, params)
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