habitmove/habitmove/schema.py

79 lines
2.6 KiB
Python

import sqlite3
def create_database(name):
return sqlite3.connect(name)
# TODO better way to do the above
# def create_connection(db_file):
# """create a database connection to the SQLite database
# specified by db_file
# :param db_file: database file
# :return: Connection object or None
# """
# conn = None
# try:
# conn = sqlite3.connect(db_file)
# return conn
# except Error as e:
# print(e)
# return conn
def create_tables(db):
c = db.cursor()
c.execute(
""" CREATE TABLE IF NOT EXISTS Habits (
id integer PRIMARY KEY AUTOINCREMENT,
archived integer,
color integer,
description text,
freq_den integer,
freq_num integer,
highlight integer,
name text,
position integer,
reminder_hour integer,
reminder_min integer,
reminder_days integer NOT NULL DEFAULT 127,
type integer NOT NULL DEFAULT 0,
target_type integer NOT NULL DEFAULT 0,
target_value real NOT NULL DEFAULT 0,
unit text NOT NULL DEFAULT "",
question text,
uuid text
); """
)
c.execute(
""" CREATE TABLE IF NOT EXISTS Repetitions (
id integer PRIMARY KEY AUTOINCREMENT,
habit integer NOT NULL REFERENCES Habits(id),
timestamp integer NOT NULL,
value integer NOT NULL
); """
)
def create_constraints(db):
c = db.cursor()
c.execute(
""" CREATE UNIQUE INDEX IF NOT EXISTS idx_repetitions_habit_timestamp
on Repetitions( habit, timestamp);
"""
)
def create_pragma(db):
c = db.cursor()
c.execute(""" PRAGMA user_version = 24; """)
c.execute(""" PRAGMA schema_version = 30; """)
def migrate(name):
db = create_database(name)
create_tables(db)
create_constraints(db)
create_pragma(db)
return db