contentmatcher/create_db.py

90 lines
2.7 KiB
Python

#!/usr/bin/python3
from sqlalchemy import Column, Integer, Float, String, Text, Date, ForeignKey, BOOLEAN
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from config import CONFIG
Base = declarative_base()
class User(Base):
__tablename__ = 'user'
id = Column(Integer, primary_key=True, autoincrement=True)
username = Column(String(64))
password = Column(String(64))
email = Column(Text)
settings = Column(Text) #neki json...
class Card(Base):
__tablename__ = 'card'
id = Column(Integer, primary_key=True, autoincrement=True)
title = Column(String(1024))
owner_id = Column(Integer, ForeignKey("user.id"), nullable=False)
interest_rate = Column(Float)
item_location = Column(String(1024))
last_review = Column(Text)
share_id = Column(Text) #explain: 0 means not shared, otherwise increment from db and generate new cards for all relevant(tbd) users
card_type = Column(String(1024))
class Deck(Base):
__tablename__ = 'deck'
id = Column(Integer, primary_key=True, autoincrement=True)
owner_id = Column(Integer, ForeignKey("user.id"), nullable=False)
cards_by_id = Column(Text)
number_of_cards = Column(Integer)
current_card = Column(Integer)
completed = Column(BOOLEAN)
class Rating(Base):
__tablename__ = 'rating'
id = Column(Integer, primary_key=True, autoincrement=True)
user_id = Column(Integer, ForeignKey("user.id"), nullable=False)
card_id = Column(Integer, ForeignKey("card.id"), nullable=False)
rating_value = Column(Text) #Yes, Maybe, No
rating_time = Column(Date)
engine = create_engine(CONFIG['DB_CONNECTION'])
def create_all():
Base.metadata.create_all(Engine)
Engine = create_engine(CONFIG['DB_CONNECTION'])
Session = sessionmaker(Engine)
def get_session():
return Session
def get_engine():
return Engine
"""
NAVODILA TODO
Upravljanje klicev na bazo
Base = declarative_base()
class ImeTabele(Base):
__tablename__ = 'imetabele'
stolpec = Column(Tip, druge lastnosti stolpca)
def create_all():
Base.metadata.create_all(Engine)
Ustvarimo engine in session objekt ter funkciji, ki ju vračata
Engine = create_engine(CONFIG['DB_CONNECTION'])
Session = sessionmaker(Engine)
def get_session():
return Session
def get_engine():
return Engine
V skripti, ki želi dostopati pa do baze pa klic postavimo v naslednji okvir:
Session = get_session()
with Session() as session:
<vsebina klica>
get_engine().dispose()
"""