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Merge pull request #1181 from bookwyrm-social/search-cleanup
Minor simplifications to search queries
This commit is contained in:
commit
321554f17e
1 changed files with 6 additions and 8 deletions
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@ -3,7 +3,7 @@ from functools import reduce
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import operator
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import operator
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from django.contrib.postgres.search import SearchRank, SearchVector
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from django.contrib.postgres.search import SearchRank, SearchVector
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from django.db.models import Count, OuterRef, Subquery, F, Q
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from django.db.models import OuterRef, Subquery, F, Q
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from bookwyrm import models
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from bookwyrm import models
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from .abstract_connector import AbstractConnector, SearchResult
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from .abstract_connector import AbstractConnector, SearchResult
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@ -122,6 +122,8 @@ def search_identifiers(query, *filters):
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results = models.Edition.objects.filter(
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results = models.Edition.objects.filter(
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*filters, reduce(operator.or_, (Q(**f) for f in or_filters))
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*filters, reduce(operator.or_, (Q(**f) for f in or_filters))
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).distinct()
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).distinct()
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if results.count() <= 1:
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return results
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# when there are multiple editions of the same work, pick the default.
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# when there are multiple editions of the same work, pick the default.
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# it would be odd for this to happen.
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# it would be odd for this to happen.
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@ -146,19 +148,15 @@ def search_title_author(query, min_confidence, *filters):
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)
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)
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results = (
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results = (
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models.Edition.objects.annotate(search=vector)
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models.Edition.objects.annotate(rank=SearchRank(vector, query))
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.annotate(rank=SearchRank(vector, query))
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.filter(*filters, rank__gt=min_confidence)
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.filter(*filters, rank__gt=min_confidence)
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.order_by("-rank")
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.order_by("-rank")
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)
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)
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# when there are multiple editions of the same work, pick the closest
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# when there are multiple editions of the same work, pick the closest
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editions_of_work = (
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editions_of_work = results.values("parent_work__id").values_list("parent_work__id")
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results.values("parent_work")
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.annotate(Count("parent_work"))
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.values_list("parent_work")
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)
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# filter out multiple editions of the same work
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for work_id in set(editions_of_work):
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for work_id in set(editions_of_work):
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editions = results.filter(parent_work=work_id)
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editions = results.filter(parent_work=work_id)
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default = editions.order_by("-edition_rank").first()
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default = editions.order_by("-edition_rank").first()
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