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Code Issues Projects Releases Wiki Activity

Switch author search from TrigramSimilarity to SearchQuery

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This commit is contained in:
Bart Schuurmans 2024-03-19 13:12:45 +01:00
parent 0795b4d171
commit 36222afa79
1 changed files with 18 additions and 15 deletions
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33
bookwyrm/views/search.py
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@ -2,8 +2,9 @@
import re
from django.contrib.postgres.search import TrigramSimilarity
from django.contrib.postgres.search import TrigramSimilarity, SearchRank, SearchQuery
from django.core.paginator import Paginator
from django.db.models import F
from django.db.models.functions import Greatest
from django.http import JsonResponse
from django.template.response import TemplateResponse
@ -94,26 +95,28 @@ def book_search(request):
def author_search(request):
"""search for an author"""
query = request.GET.get("q")
query = query.strip()
data = {"type": "author", "query": query}
query = request.GET.get("q").strip()
search_query = SearchQuery(query, config="simple")
min_confidence = 0
results = (
models.Author.objects.annotate(
similarity=TrigramSimilarity("name", query),
)
.filter(
similarity__gt=0.1,
)
.order_by("-similarity")
models.Author.objects.filter(search_vector=search_query)
.annotate(rank=SearchRank(F("search_vector"), search_query))
.filter(rank__gt=min_confidence)
.order_by("-rank")
)
paginated = Paginator(results, PAGE_LENGTH)
page = paginated.get_page(request.GET.get("page"))
data["results"] = page
data["page_range"] = paginated.get_elided_page_range(
page.number, on_each_side=2, on_ends=1
)
data = {
"type": "author",
"query": query,
"results": page,
"page_range": paginated.get_elided_page_range(
page.number, on_each_side=2, on_ends=1
),
}
return TemplateResponse(request, "search/author.html", data)