Files
vrobbler/vrobbler/apps/books/koreader.py
2023-03-04 17:29:25 -05:00

125 lines
3.7 KiB
Python

import logging
from datetime import datetime
import sqlite3
from enum import Enum
import pytz
from books.models import Author, Book
from scrobbles.models import Scrobble
from django.utils import timezone
logger = logging.getLogger(__name__)
class KoReaderBookColumn(Enum):
ID = 0
TITLE = 1
AUTHORS = 2
NOTES = 3
LAST_OPEN = 4
HIGHLIGHTS = 5
PAGES = 6
SERIES = 7
LANGUAGE = 8
MD5 = 9
TOTAL_READ_TIME = 10
TOTAL_READ_PAGES = 11
class KoReaderPageStatColumn(Enum):
ID_BOOK = 0
PAGE = 1
START_TIME = 2
DURATION = 3
TOTAL_PAGES = 4
def process_koreader_sqlite_file(sqlite_file_path, user_id):
"""Given a sqlite file from KoReader, open the book table, iterate
over rows creating scrobbles from each book found"""
# Create a SQL connection to our SQLite database
con = sqlite3.connect(sqlite_file_path)
cur = con.cursor()
# Return all results of query
book_table = cur.execute("SELECT * FROM book")
new_scrobbles = []
for book_row in book_table:
authors = book_row[KoReaderBookColumn.AUTHORS.value].split("\n")
author_list = []
for author_str in authors:
logger.debug(f"Looking up author {author_str}")
if author_str == "N/A":
continue
author, created = Author.objects.get_or_create(name=author_str)
if created:
author.fix_metadata()
author_list.append(author)
logger.debug(f"Found author {author}, created: {created}")
book, created = Book.objects.get_or_create(
koreader_md5=book_row[KoReaderBookColumn.MD5.value]
)
if created:
book.title = book_row[KoReaderBookColumn.TITLE.value]
book.pages = book_row[KoReaderBookColumn.PAGES.value]
book.koreader_id = int(book_row[KoReaderBookColumn.ID.value])
book.koreader_authors = book_row[KoReaderBookColumn.AUTHORS.value]
book.run_time_ticks = int(book_row[KoReaderBookColumn.PAGES.value])
book.save(
update_fields=[
"title",
"pages",
"koreader_id",
"koreader_authors",
]
)
book.fix_metadata()
if author_list:
book.authors.add(*[a.id for a in author_list])
playback_position = int(
book_row[KoReaderBookColumn.TOTAL_READ_TIME.value]
)
playback_position_ticks = playback_position * 1000
pages_read = int(book_row[KoReaderBookColumn.TOTAL_READ_PAGES.value])
timestamp = datetime.utcfromtimestamp(
book_row[KoReaderBookColumn.LAST_OPEN.value]
).replace(tzinfo=pytz.utc)
new_scrobble = Scrobble(
book_id=book.id,
user_id=user_id,
source="KOReader",
timestamp=timestamp,
playback_position_ticks=playback_position_ticks,
playback_position=playback_position,
played_to_completion=True,
in_progress=False,
book_pages_read=pages_read,
)
existing = Scrobble.objects.filter(
timestamp=timestamp, book=book
).first()
if existing:
logger.debug(f"Skipping existing scrobble {new_scrobble}")
continue
logger.debug(f"Queued scrobble {new_scrobble} for creation")
new_scrobbles.append(new_scrobble)
# Be sure to close the connection
con.close()
created = Scrobble.objects.bulk_create(new_scrobbles)
logger.info(
f"Created {len(created)} scrobbles",
extra={"created_scrobbles": created},
)
return created