Luís Murta
471331ffc9
This patch extends the categories_rules with a rule for each field of a transaction. It also changes the ORM classes to behave as dataclasses again.
146 lines
4.6 KiB
Python
146 lines
4.6 KiB
Python
from copy import deepcopy
|
|
from dataclasses import asdict
|
|
from sqlalchemy import create_engine, delete, select, update
|
|
from sqlalchemy.dialects.postgresql import insert
|
|
from sqlalchemy.orm import Session, joinedload, selectinload
|
|
|
|
from pfbudget.db.model import (
|
|
Bank,
|
|
Category,
|
|
CategoryGroup,
|
|
CategoryRule,
|
|
CategorySchedule,
|
|
Transaction,
|
|
)
|
|
|
|
# import logging
|
|
|
|
# logging.basicConfig()
|
|
# logging.getLogger("sqlalchemy.engine").setLevel(logging.INFO)
|
|
|
|
|
|
class DbClient:
|
|
"""
|
|
General database client using sqlalchemy
|
|
"""
|
|
|
|
__sessions: list[Session]
|
|
|
|
def __init__(self, url: str, echo=False) -> None:
|
|
self._engine = create_engine(url, echo=echo)
|
|
|
|
def get_transactions(self):
|
|
"""¿Non-optimized? get_transactions, will load the entire Transaction"""
|
|
with Session(self.engine) as session:
|
|
stmt = select(Transaction).options(
|
|
joinedload("*"), selectinload(Transaction.tags)
|
|
)
|
|
return session.scalars(stmt).all()
|
|
|
|
def get_uncategorized(self):
|
|
with Session(self.engine) as session:
|
|
stmt = select(Transaction).where(~Transaction.category.has())
|
|
return session.scalars(stmt).all()
|
|
|
|
def get_categorized(self):
|
|
with Session(self.engine) as session:
|
|
stmt = select(Transaction).where(Transaction.category.has())
|
|
return session.scalars(stmt).all()
|
|
|
|
def insert_transactions(self, input: list[Transaction]):
|
|
with Session(self.engine) as session:
|
|
session.add_all(input)
|
|
session.commit()
|
|
|
|
def get_banks(self):
|
|
with Session(self.engine) as session:
|
|
stmt = select(Bank)
|
|
return session.scalars(stmt).all()
|
|
|
|
def get_nordigen_banks(self):
|
|
with Session(self.engine) as session:
|
|
stmt = select(Bank).where(Bank.nordigen.has())
|
|
return session.scalars(stmt).all()
|
|
|
|
@property
|
|
def engine(self):
|
|
return self._engine
|
|
|
|
class ClientSession:
|
|
def __init__(self, engine):
|
|
self.__engine = engine
|
|
|
|
def __enter__(self):
|
|
self.__session = Session(self.__engine)
|
|
return self
|
|
|
|
def __exit__(self, exc_type, exc_value, exc_tb):
|
|
self.commit()
|
|
self.__session.close()
|
|
|
|
def commit(self):
|
|
self.__session.commit()
|
|
|
|
def add(self, transactions: list[Transaction]):
|
|
self.__session.add_all(transactions)
|
|
|
|
def addcategory(self, category: Category):
|
|
self.__session.add(category)
|
|
|
|
def removecategory(self, categories: list[Category]):
|
|
stmt = delete(Category).where(
|
|
Category.name.in_([cat.name for cat in categories])
|
|
)
|
|
self.__session.execute(stmt)
|
|
|
|
def updategroup(self, categories: list[Category], group: CategoryGroup):
|
|
stmt = (
|
|
update(Category)
|
|
.where(Category.name.in_([cat.name for cat in categories]))
|
|
.values(group=group)
|
|
)
|
|
self.__session.execute(stmt)
|
|
|
|
def updateschedules(
|
|
self, categories: list[Category], schedule: CategorySchedule
|
|
):
|
|
stmt = insert(CategorySchedule).values(
|
|
[
|
|
dict(
|
|
name=cat.name,
|
|
recurring=schedule.recurring,
|
|
period=schedule.period,
|
|
period_multiplier=schedule.period_multiplier,
|
|
)
|
|
for cat in categories
|
|
]
|
|
)
|
|
stmt = stmt.on_conflict_do_update(
|
|
index_elements=[CategorySchedule.name],
|
|
set_=dict(
|
|
recurring=stmt.excluded.recurring,
|
|
period=stmt.excluded.period,
|
|
period_multiplier=stmt.excluded.period_multiplier,
|
|
),
|
|
)
|
|
self.__session.execute(stmt)
|
|
|
|
def addrules(self, rules: list[CategoryRule]):
|
|
self.__session.add_all(rules)
|
|
|
|
def addcategorygroup(self, group: CategoryGroup):
|
|
self.__session.add(group)
|
|
|
|
def removecategorygroup(self, groups: list[CategoryGroup]):
|
|
stmt = delete(CategoryGroup).where(
|
|
CategoryGroup.name.in_([grp.name for grp in groups])
|
|
)
|
|
self.__session.execute(stmt)
|
|
|
|
def uncategorized(self) -> list[Transaction]:
|
|
stmt = select(Transaction).where(~Transaction.category.has())
|
|
return self.__session.scalars(stmt).all()
|
|
|
|
def session(self) -> ClientSession:
|
|
return self.ClientSession(self.engine)
|