97 lines
3.2 KiB
Python
97 lines
3.2 KiB
Python
from django.core.paginator import EmptyPage, Paginator
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from django.db import models
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from django.http.request import HttpRequest
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from django.http.response import Http404, HttpResponse, HttpResponseBadRequest
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from django.template.response import TemplateResponse
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from django.utils.decorators import method_decorator
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from django.utils.functional import cached_property
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from django.views.decorators.http import require_GET
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from wagtail.contrib.routable_page.models import RoutablePageMixin, route
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from wagtail.models import Page
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from wagtail.search.utils import parse_query_string
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from website.common.models import BaseContentPage, BaseListingPage
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from website.common.utils import get_page_models
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from .serializers import MIN_SEARCH_LENGTH, SearchPageParamsSerializer
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class SearchPage(RoutablePageMixin, BaseContentPage):
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max_count = 1
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subpage_types: list = []
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parent_page_types = ["home.HomePage"]
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PAGE_SIZE = 12
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# Exclude singleton pages from search results
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EXCLUDED_PAGE_TYPES = {
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*(page for page in get_page_models() if page.max_count == 1),
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BaseListingPage,
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}
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@cached_property
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def show_reading_time(self) -> bool:
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return False
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@cached_property
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def show_table_of_contents(self) -> bool:
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return False
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def get_context(self, request: HttpRequest) -> dict:
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context = super().get_context(request)
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context["search_query"] = request.GET.get("q", "")
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context["search_url"] = self.reverse_subpage("results")
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context["MIN_SEARCH_LENGTH"] = MIN_SEARCH_LENGTH
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context["SEO_INDEX"] = False
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return context
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@classmethod
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def get_listing_pages(cls) -> models.QuerySet:
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return (
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Page.objects.live()
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.public()
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.not_type(cls.__class__, *cls.EXCLUDED_PAGE_TYPES)
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)
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@route(r"^results/$")
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@method_decorator(require_GET)
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def results(self, request: HttpRequest) -> HttpResponse:
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if not request.htmx:
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return HttpResponseBadRequest()
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serializer = SearchPageParamsSerializer(data=request.GET)
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if not serializer.is_valid():
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return TemplateResponse(
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request,
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"search/enter-search-term.html",
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{"MIN_SEARCH_LENGTH": MIN_SEARCH_LENGTH},
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)
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search_query = serializer.validated_data["q"]
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page_num = serializer.validated_data["page"]
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context = {
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**self.get_context(request),
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"search_query": search_query,
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"page_num": page_num,
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}
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filters, query = parse_query_string(search_query)
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pages = self.get_listing_pages().search(query, order_by_relevance=True)
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paginator = Paginator(pages, self.PAGE_SIZE)
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context["paginator"] = paginator
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try:
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results = paginator.page(page_num)
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# HACK: Search results aren't a queryset, so we can't call `.specific` on it. This forces it to one as efficiently as possible
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results.object_list = results.object_list.get_queryset().specific()
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except EmptyPage as e:
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raise Http404 from e
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context["results"] = results
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return TemplateResponse(request, "search/search_results.html", context)
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