forked from mirrors/bookwyrm
110 lines
3.3 KiB
Python
110 lines
3.3 KiB
Python
""" search views"""
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import re
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from django.contrib.postgres.search import TrigramSimilarity
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from django.db.models.functions import Greatest
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from django.http import JsonResponse
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from django.template.response import TemplateResponse
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from django.views import View
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from bookwyrm import models
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from bookwyrm.connectors import connector_manager
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from bookwyrm.utils import regex
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from .helpers import is_api_request, privacy_filter
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from .helpers import handle_remote_webfinger
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# pylint: disable= no-self-use
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class Search(View):
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"""search users or books"""
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def get(self, request, search_type=None):
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"""that search bar up top"""
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query = request.GET.get("q")
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min_confidence = request.GET.get("min_confidence", 0.1)
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if is_api_request(request):
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# only return local book results via json so we don't cascade
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book_results = connector_manager.local_search(
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query, min_confidence=min_confidence
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)
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return JsonResponse([r.json() for r in book_results], safe=False)
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data = {"query": query or "", "type": search_type}
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results = {}
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if query:
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# make a guess about what type of query this is for
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if search_type == "user" or (not search_type and "@" in query):
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results = user_search(query, request.user)
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elif search_type == "list":
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results = list_search(query, request.user)
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else:
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results = book_search(query, min_confidence)
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return TemplateResponse(
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request,
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"search/{:s}.html".format(search_type or "book"),
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{**data, **results}
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)
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def book_search(query, min_confidence):
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"""that search bar up top"""
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return {
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"query": query or "",
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"results": connector_manager.search(query, min_confidence=min_confidence),
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}
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def user_search(query, viewer):
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"""that search bar up top"""
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# logged out viewers can't search users
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if not viewer.is_authenticated:
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return None
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# use webfinger for mastodon style account@domain.com username to load the user if
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# they don't exist locally (handle_remote_webfinger will check the db)
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if re.match(regex.full_username, query):
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handle_remote_webfinger(query)
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return {
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"query": query,
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"results": (
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models.User.viewer_aware_objects(viewer)
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.annotate(
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similarity=Greatest(
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TrigramSimilarity("username", query),
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TrigramSimilarity("localname", query),
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)
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)
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.filter(
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similarity__gt=0.5,
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)
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.order_by("-similarity")[:10]
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),
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}
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def list_search(query, viewer):
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"""any relevent lists?"""
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return {
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"query": query,
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"results": (
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privacy_filter(
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viewer,
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models.List.objects,
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privacy_levels=["public", "followers"],
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)
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.annotate(
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similarity=Greatest(
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TrigramSimilarity("name", query),
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TrigramSimilarity("description", query),
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)
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)
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.filter(
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similarity__gt=0.1,
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)
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.order_by("-similarity")[:10]
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),
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}
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