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Merge pull request #1181 from bookwyrm-social/search-cleanup

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Minor simplifications to search queries
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Mouse Reeve 2021-06-17 14:57:17 -07:00 committed by GitHub
commit 321554f17e
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1 changed files with 6 additions and 8 deletions
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14
bookwyrm/connectors/self_connector.py
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@ -3,7 +3,7 @@ from functools import reduce
import operator
from django.contrib.postgres.search import SearchRank, SearchVector
from django.db.models import Count, OuterRef, Subquery, F, Q
from django.db.models import OuterRef, Subquery, F, Q
from bookwyrm import models
from .abstract_connector import AbstractConnector, SearchResult
@ -122,6 +122,8 @@ def search_identifiers(query, *filters):
results = models.Edition.objects.filter(
*filters, reduce(operator.or_, (Q(**f) for f in or_filters))
).distinct()
if results.count() <= 1:
return results
# when there are multiple editions of the same work, pick the default.
# it would be odd for this to happen.
@ -146,19 +148,15 @@ def search_title_author(query, min_confidence, *filters):
)
results = (
models.Edition.objects.annotate(search=vector)
.annotate(rank=SearchRank(vector, query))
models.Edition.objects.annotate(rank=SearchRank(vector, query))
.filter(*filters, rank__gt=min_confidence)
.order_by("-rank")
)
# when there are multiple editions of the same work, pick the closest
editions_of_work = (
results.values("parent_work")
.annotate(Count("parent_work"))
.values_list("parent_work")
)
editions_of_work = results.values("parent_work__id").values_list("parent_work__id")
# filter out multiple editions of the same work
for work_id in set(editions_of_work):
editions = results.filter(parent_work=work_id)
default = editions.order_by("-edition_rank").first()