moviewyrm/bookwyrm/connectors/self_connector.py

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''' using a bookwyrm instance as a source of book data '''
from django.contrib.postgres.search import SearchRank, SearchVector
from django.db.models import F
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from bookwyrm import models
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from .abstract_connector import AbstractConnector, SearchResult
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class Connector(AbstractConnector):
''' instantiate a connector '''
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def search(self, query, min_confidence=0.1):
''' right now you can't search bookwyrm sorry, but when
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that gets implemented it will totally rule '''
vector = SearchVector('title', weight='A') +\
SearchVector('subtitle', weight='B') +\
SearchVector('author_text', weight='C') +\
SearchVector('isbn_13', weight='A') +\
SearchVector('isbn_10', weight='A') +\
SearchVector('openlibrary_key', weight='C') +\
SearchVector('goodreads_key', weight='C') +\
SearchVector('asin', weight='C') +\
SearchVector('oclc_number', weight='C') +\
SearchVector('remote_id', weight='C') +\
SearchVector('description', weight='D') +\
SearchVector('series', weight='D')
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results = models.Edition.objects.annotate(
search=vector
).annotate(
rank=SearchRank(vector, query)
).filter(
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rank__gt=min_confidence
).order_by('-rank')
# remove non-default editions, if possible
results = results.filter(parent_work__default_edition__id=F('id')) \
or results
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search_results = []
for book in results[:10]:
search_results.append(
self.format_search_result(book)
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)
return search_results
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def format_search_result(self, search_result):
return SearchResult(
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title=search_result.title,
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key=search_result.remote_id,
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author=search_result.author_text,
year=search_result.published_date.year if \
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search_result.published_date else None,
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confidence=search_result.rank,
)
def get_remote_id_from_data(self, data):
pass
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def is_work_data(self, data):
pass
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def get_edition_from_work_data(self, data):
pass
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def get_work_from_edition_date(self, data):
pass
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def get_authors_from_data(self, data):
return None
def get_cover_from_data(self, data):
return None
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def parse_search_data(self, data):
''' it's already in the right format, don't even worry about it '''
return data
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def expand_book_data(self, book):
pass