Migrate your habits from Nomie to Loop Habit Tracker.
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from __future__ import annotations
import sqlite3
from typing import Optional
from datetime import datetime
from habitmove.loopdata import Habit, Repetition
from habitmove.nomiedata import Event
def migrate(db: sqlite3.Connection, habits: list[Habit], events: list[Event]) -> None:
"""Move Loop Activities contained in all Events matching Habits passed in into database.
:param db: Database to populate.
:param habits: List of Habits to find matching repetitions for.
:param events: List of events to find repetitions in.
c = db.cursor()
habits_with_sql_id = habit_list_add_ids(c, habits)
repetitions = get_all_repetitions(habits_with_sql_id, events)
for rep in repetitions:
add_to_database(c, habits_with_sql_id, rep)
def get_all_repetitions(
habits: dict[int, Habit], events: list[Event]
) -> list[Repetition]:
"""Return list of all repetitions found in events passed in.
:param habits: Dict of habits with sql_ids that repetitions can be for.
:param events: List of events to search through for repetitions.
:return repetitions: List of Loop repetitions.
repetitions = []
for event in events:
for activity in event.activities:
for habit in habits.values():
# TODO Fix reaching a layer too far into activity -> tracker
if habit.uuid == activity.tracker.id:
rep = Repetition(
habit_uuid=habit.uuid, timestamp=event.end, value=2
if habit.type == 1 and activity.value:
rep.value = activity.value * LOOP_RANGE_VALUE_MULTIPLIER
return repetitions
# TODO possibly just get rid of this entirely
def habit_list_add_ids(c: sqlite3.Cursor, habitlist: list[Habit]) -> dict[int, Habit]:
"""Return the collection of habits with their sqlite id added.
:param c: SQL cursor of database to query.
:param habitlist: Habits to get sql IDs for.
:return habit_id_dict: The habit collection as a dict with the keys
consisting of the habit's sqlite database ID.
with_id: dict[int, Habit] = {}
for h in habitlist:
sql_id = fetch_habit_id(c, h.uuid or "")
if sql_id is not None:
with_id[sql_id] = h
return with_id
def fetch_habit_id(cursor: sqlite3.Cursor, uuid: str) -> Optional[int]:
"""Return sqlite internal id for habit with uuid.
:param c: SQL cursor of database to query.
:param uuid: Unique id of habit to query for.
:return id: SQLite internal id for habit queried for.
cursor.execute("select id from Habits where uuid = ?", ([uuid]))
id = cursor.fetchone()
if id is not None:
return id[0]
return None
def add_to_database(
cursor: sqlite3.Cursor, habits: dict[int, Habit], repetition: Repetition
) -> None:
"""Insert the repetition into a sqlite3 table suitable for Loop.
:param c: SQL cursor of database to query.
:sql_id: Internal sqlite database id of the habit the repetition belongs to.
for sql_id, habit in habits.items():
if repetition.habit_uuid == habit.uuid:
Repetitions(id, habit, timestamp, value)
VALUES (NULL, ?, ?, ?)
(sql_id, repetition.timestamp, repetition.value),
except sqlite3.IntegrityError:
# FIXME better error handling
# TODO think about adapting this to allow importing into existing databases
f"{sql_id}, {habit.name}: timestamp {datetime.fromtimestamp(repetition.timestamp/1000)} not unique, moving timestamp slightly."
repetition.timestamp + 1,