mirror of
https://github.com/bookwyrm-social/bookwyrm.git
synced 2024-07-06 21:55:50 +00:00
141 lines
4.2 KiB
Python
141 lines
4.2 KiB
Python
''' using another fedireads instance as a source of book data '''
|
|
import re
|
|
from uuid import uuid4
|
|
|
|
from django.core.exceptions import ObjectDoesNotExist
|
|
from django.core.files.base import ContentFile
|
|
from django.db import transaction
|
|
import requests
|
|
|
|
from fedireads import models
|
|
from .abstract_connector import AbstractConnector, SearchResult
|
|
from .abstract_connector import update_from_mappings, get_date, get_data
|
|
|
|
|
|
class Connector(AbstractConnector):
|
|
''' interact with other instances '''
|
|
def __init__(self, identifier):
|
|
self.key_mappings = {
|
|
'isbn_13': ('isbn_13', None),
|
|
'isbn_10': ('isbn_10', None),
|
|
'oclc_numbers': ('oclc_number', None),
|
|
'lccn': ('lccn', None),
|
|
}
|
|
self.book_mappings = self.key_mappings.copy()
|
|
self.book_mappings.update({
|
|
'published_date': ('published_date', get_date),
|
|
'first_published_date': ('first_published_date', get_date),
|
|
})
|
|
super().__init__(identifier)
|
|
|
|
|
|
def format_search_result(self, search_result):
|
|
return SearchResult(**search_result)
|
|
|
|
|
|
def parse_search_data(self, data):
|
|
return data
|
|
|
|
|
|
def get_or_create_book(self, remote_id):
|
|
''' pull up a book record by whatever means possible '''
|
|
# re-construct a remote id from the int and books_url
|
|
if re.match(r'^\d+$', remote_id):
|
|
remote_id = self.books_url + '/' + remote_id
|
|
book = models.Book.objects.select_subclasses().filter(
|
|
remote_id=remote_id
|
|
).first()
|
|
if book:
|
|
if isinstance(book, models.Work):
|
|
return book.default_edition
|
|
return book
|
|
|
|
# no book was found, so we start creating a new one
|
|
data = get_data(remote_id)
|
|
|
|
if data['book_type'] == 'work':
|
|
work_data = data
|
|
try:
|
|
edition_data = data['editions'][0]
|
|
except KeyError:
|
|
# hack: re-use the work data as the edition data
|
|
edition_data = data
|
|
else:
|
|
edition_data = data
|
|
try:
|
|
work_data = data['work']
|
|
except KeyError:
|
|
# hack: re-use the work data as the edition data
|
|
work_data = data
|
|
|
|
with transaction.atomic():
|
|
# create both work and a default edition
|
|
work_key = work_data.get('url')
|
|
work = self.create_book(work_key, work_data, models.Work)
|
|
|
|
ed_key = edition_data.get('url')
|
|
edition = self.create_book(ed_key, edition_data, models.Edition)
|
|
edition.default = True
|
|
edition.parent_work = work
|
|
edition.save()
|
|
|
|
return edition
|
|
|
|
|
|
def get_cover_from_data(self, data):
|
|
cover_data = data.get('attachment')
|
|
if not cover_data:
|
|
return None
|
|
cover_url = cover_data[0].get('url')
|
|
response = requests.get(cover_url)
|
|
if not response.ok:
|
|
response.raise_for_status()
|
|
|
|
image_name = str(uuid4()) + cover_url.split('.')[-1]
|
|
image_content = ContentFile(response.content)
|
|
return [image_name, image_content]
|
|
|
|
|
|
def get_authors_from_data(self, data):
|
|
authors = []
|
|
|
|
for author_url in data.get('authors', []):
|
|
authors.append(self.get_or_create_author(author_url))
|
|
return authors
|
|
|
|
|
|
def get_or_create_author(self, remote_id):
|
|
''' load that author '''
|
|
try:
|
|
return models.Author.objects.get(remote_id=remote_id)
|
|
except ObjectDoesNotExist:
|
|
pass
|
|
|
|
data = get_data(remote_id)
|
|
|
|
# ingest a new author
|
|
author = models.Author(remote_id=remote_id)
|
|
mappings = {
|
|
'born': ('born', get_date),
|
|
'died': ('died', get_date),
|
|
}
|
|
author = update_from_mappings(author, data, mappings)
|
|
author.save()
|
|
|
|
return author
|
|
|
|
|
|
def expand_book_data(self, book):
|
|
# TODO
|
|
pass
|
|
|
|
|
|
def get_cover(cover_url):
|
|
''' download the cover '''
|
|
image_name = cover_url.split('/')[-1]
|
|
response = requests.get(cover_url)
|
|
if not response.ok:
|
|
response.raise_for_status()
|
|
image_content = ContentFile(response.content)
|
|
return [image_name, image_content]
|