schmeckels/helper.py
2020-04-25 11:07:51 +02:00

112 lines
3.1 KiB
Python

#! /usr/bin/env python3
import os
import sys
import yaml
import re
from xdg import XDG_CONFIG_HOME, XDG_DATA_HOME
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
import models
import locale
try:
from yaml import CLoader as Loader
except ImportError:
from yaml import Loader
CONFIG_DIR = os.path.join(XDG_CONFIG_HOME, "schmeckels")
DATA_DIR = os.path.join(XDG_DATA_HOME, "schmeckels")
def format_amount(cents):
amount = cents/100
return f"{amount:,.2f}"
def get_list_of_bookable_categories(session):
categories = session.query(models.Category).all()
return [c for c in categories if c.is_child()]
def create_dirs():
for directory in [CONFIG_DIR, DATA_DIR]:
try:
os.mkdir(directory)
except FileExistsError:
pass
def build_database_filename(profile_name):
return f"{DATA_DIR}/databases/{profile_name}.db"
def build_rules_filename(profile_name):
return f"{DATA_DIR}/rules/{profile_name}.yaml"
def check_single_profile():
files = os.listdir(f"{DATA_DIR}/databases")
if len(files) == 1:
return files.split(".")[0]
else:
print("--profile is required when you have more than one database.")
sys.exit(1)
def list_profiles():
files = os.listdir(f"{DATA_DIR}/databases")
return [x.split(".")[0] for x in files]
def get_session(profile_name):
if not profile_name:
profile_name = check_single_profile()
filename = build_database_filename(profile_name)
if os.path.exists(filename) and os.path.isfile(filename):
engine = create_engine(f"sqlite:///{filename}")
Session = sessionmaker(bind=engine)
return Session()
else:
print(f"No database for profile '{profile_name}'. Did you run 'init'?")
sys.exit(1)
def get_rules(profile_name):
if not profile_name:
profile_name = check_single_profile()
filename = build_rules_filename(profile_name)
if os.path.exists(filename) and os.path.isfile(filename):
with open(filename) as fh:
data = yaml.load(fh, Loader=Loader)
for rule in data:
if rule.get("name"):
rule["name_regex"] = re.compile(rule["name"])
if rule.get("description"):
rule["desc_regex"] = re.compile(rule["description"])
return data
else:
print(f"No rules for profile '{profile_name}'. Did you run 'init'?")
sys.exit(1)
def create_category(name, parent, profile, session):
c = session.query(models.Category).filter(models.Category.name == name).first()
if not c:
c = models.Category(name=name, parent_id=parent)
session.add(c)
session.commit()
return c.id
def add_category(name, profile, session):
parts = name.split(":")
if len(parts) == 1:
return create_category(name, None, profile, session)
else:
for i in range(len(parts) - 1):
parent = parts[i]
child = parts[i + 1]
parent_id = create_category(parent, None, profile, session)
id = create_category(child, parent_id, profile, session)
return id