moviewyrm/fedireads/connectors/self_connector.py
2020-04-29 11:22:29 -07:00

72 lines
2.5 KiB
Python

''' using a fedireads instance as a source of book data '''
from django.contrib.postgres.search import SearchVector
from django.core.exceptions import ObjectDoesNotExist
from fedireads import models
from .abstract_connector import AbstractConnector, SearchResult
class Connector(AbstractConnector):
''' instantiate a connector '''
def __init__(self, identifier):
super().__init__(identifier)
def search(self, query):
''' right now you can't search fedireads sorry, but when
that gets implemented it will totally rule '''
results = models.Edition.objects.annotate(
search=SearchVector('title', weight='A') +\
SearchVector('subtitle', weight='B') +\
SearchVector('author_text', weight='A') +\
SearchVector('isbn_13', weight='A') +\
SearchVector('isbn_10', weight='A') +\
SearchVector('openlibrary_key', weight='B') +\
SearchVector('goodreads_key', weight='B') +\
SearchVector('source_url', weight='B') +\
SearchVector('asin', weight='B') +\
SearchVector('oclc_number', weight='B') +\
SearchVector('description', weight='C') +\
SearchVector('series', weight='C')
).filter(search=query)
results = results.filter(default=True) or results
search_results = []
for book in results[:10]:
search_results.append(
SearchResult(
book.title,
book.fedireads_key,
book.author_text,
book.published_date.year if book.published_date else None,
None
)
)
return search_results
def get_or_create_book(self, fedireads_key):
''' since this is querying its own data source, it can only
get a book, not load one from an external source '''
try:
return models.Book.objects.select_subclasses().get(
fedireads_key=fedireads_key
)
except ObjectDoesNotExist:
return None
def get_or_create_author(self, fedireads_key):
''' load that author '''
try:
return models.Author.objects.get(fedreads_key=fedireads_key)
except ObjectDoesNotExist:
pass
def update_book(self, book_obj):
pass
def expand_book_data(self, book):
pass