-# -*- coding: utf-8 -*-
# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
from django.conf import settings
-from django.shortcuts import render_to_response
-from django.template import RequestContext
+from django.shortcuts import render
from django.views.decorators import cache
from django.http import HttpResponse, JsonResponse
-from django.utils.translation import ugettext as _
-from catalogue.utils import split_tags
-from catalogue.models import Book
-from pdcounter.models import Author as PDCounterAuthor, BookStub as PDCounterBook
-from search.index import Search, SearchResult
-from suggest.forms import PublishingSuggestForm
+from catalogue.models import Book, Tag
+from .forms import SearchFilters
import re
import json
+from wolnelektury.utils import re_escape
-def match_word_re(word):
- if 'sqlite' in settings.DATABASES['default']['ENGINE']:
- return r"\b%s\b" % word
- elif 'mysql' in settings.DATABASES['default']['ENGINE']:
- return "[[:<:]]%s[[:>:]]" % word
-
-query_syntax_chars = re.compile(r"[\\/*:(){}]")
+query_syntax_chars = re.compile(r"[\\/*:(){}?.[\]+]")
def remove_query_syntax_chars(query, replace=' '):
- return query_syntax_chars.sub(' ', query)
-
-
-def did_you_mean(query, tokens):
- return query
- # change = {}
- # for t in tokens:
- # authors = Tag.objects.filter(category='author', name__iregex=match_word_re(t))
- # if len(authors) > 0:
- # continue
-
- # if False:
- # if not dictionary.check(t):
- # try:
- # change_to = dictionary.suggest(t)[0].lower()
- # if change_to != t.lower():
- # change[t] = change_to
- # except IndexError:
- # pass
-
- # if change == {}:
- # return None
-
- # for frm, to in change.items():
- # query = query.replace(frm, to)
-
- # return query
+ return query_syntax_chars.sub(replace, query)
@cache.never_cache
-def hint(request):
- prefix = request.GET.get('term', '')
+def hint(request, mozhint=False, param='term'):
+ prefix = request.GET.get(param, '')
if len(prefix) < 2:
return JsonResponse([], safe=False)
- prefix = remove_query_syntax_chars(prefix)
-
- search = Search()
- # tagi beda ograniczac tutaj
- # ale tagi moga byc na ksiazce i na fragmentach
- # jezeli tagi dot tylko ksiazki, to wazne zeby te nowe byly w tej samej ksiazce
- # jesli zas dotycza themes, to wazne, zeby byly w tym samym fragmencie.
-
- def is_dupe(tag):
- if isinstance(tag, PDCounterAuthor):
- if filter(lambda t: t.slug == tag.slug and t != tag, tags):
- return True
- elif isinstance(tag, PDCounterBook):
- if filter(lambda b: b.slug == tag.slug, tags):
- return True
- return False
-
- def category_name(c):
- if c.startswith('pd_'):
- c = c[len('pd_'):]
- return _(c)
+ prefix = re_escape(' '.join(remove_query_syntax_chars(prefix).split()))
try:
limit = int(request.GET.get('max', ''))
except ValueError:
- limit = -1
+ limit = 20
else:
if limit < 1:
- limit = -1
-
- data = []
-
- tags = search.hint_tags(prefix, pdcounter=True)
- tags = filter(lambda t: not is_dupe(t), tags)
- for t in tags:
- if not limit:
- break
- limit -= 1
- data.append({
- 'label': t.name,
- 'category': category_name(t.category),
- 'id': t.id,
- 'url': t.get_absolute_url()
- })
- if limit:
- books = search.hint_books(prefix)
- for b in books:
- if not limit:
- break
- limit -= 1
- data.append({
- 'label': '<cite>%s</cite>, %s' % (b.title, b.author_unicode()),
- 'category': _('book'),
- 'id': b.id,
- 'url': b.get_absolute_url()
- })
+ limit = 20
+
+ authors = Tag.objects.filter(
+ category='author', name_pl__iregex='\m' + prefix).only('name', 'id', 'slug', 'category')
+ data = [
+ {
+ 'label': author.name,
+ 'id': author.id,
+ 'url': author.get_absolute_url(),
+ }
+ for author in authors[:limit]
+ ]
+ if len(data) < limit:
+ for b in Book.objects.filter(findable=True, title__iregex='\m' + prefix)[:limit-len(data)]:
+ author_str = b.author_unicode()
+ translator = b.translator()
+ if translator:
+ author_str += ' (tłum. ' + translator + ')'
+ data.append(
+ {
+ 'label': b.title,
+ 'author': author_str,
+ 'id': b.id,
+ 'url': b.get_absolute_url()
+ }
+ )
+
+ if mozhint:
+ data = [
+ prefix,
+ [
+ item['label']
+ for item in data
+ ]
+ ]
callback = request.GET.get('callback', None)
if callback:
return JsonResponse(data, safe=False)
+
@cache.never_cache
-def main(request):
- query = request.GET.get('q', '')
- query = ' '.join(query.split())
- # filter out private use characters
- import unicodedata
- query = ''.join(ch for ch in query if unicodedata.category(ch) != 'Co')
-
- if len(query) < 2:
- return render_to_response(
- 'catalogue/search_too_short.html', {'prefix': query},
- context_instance=RequestContext(request))
- elif len(query) > 256:
- return render_to_response(
- 'catalogue/search_too_long.html', {'prefix': query}, context_instance=RequestContext(request))
-
- query = remove_query_syntax_chars(query)
-
- words = query.split()
- if len(words) > 10:
- query = ' '.join(words[:10])
-
- search = Search()
-
- # change hints
- tags = search.hint_tags(query, pdcounter=True, prefix=False)
- tags = split_tags(tags)
-
- author_results = search.search_words(words, ['authors'])
-
- title_results = search.search_words(words, ['title'])
-
- author_title_mixed = search.search_words(words, ['authors', 'title', 'metadata'])
- author_title_rest = []
-
- for b in author_title_mixed:
- also_in_mixed = filter(lambda ba: ba.book_id == b.book_id, author_results + title_results)
- for b2 in also_in_mixed:
- b2.boost *= 1.1
- if not also_in_mixed:
- author_title_rest.append(b)
-
- text_phrase = SearchResult.aggregate(search.search_words(words, ['text'], book=False))
-
- everywhere = search.search_words(words, ['metadata', 'text', 'themes_pl'], book=False)
-
- def already_found(results):
- def f(e):
- for r in results:
- if e.book_id == r.book_id:
- e.boost = 0.9
- results.append(e)
- return True
- return False
- return f
- f = already_found(author_results + title_results + text_phrase)
- everywhere = filter(lambda x: not f(x), everywhere)
-
- author_results = SearchResult.aggregate(author_results, author_title_rest)
- title_results = SearchResult.aggregate(title_results)
-
- everywhere = SearchResult.aggregate(everywhere, author_title_rest)
-
- for field, res in [('authors', author_results),
- ('title', title_results),
- ('text', text_phrase),
- ('text', everywhere)]:
- res.sort(reverse=True)
- for r in res:
- search.get_snippets(r, query, field, 3)
-
- suggestion = u''
-
- def ensure_exists(r):
- try:
- return r.book
- except Book.DoesNotExist:
- return False
-
- author_results = filter(ensure_exists, author_results)
- title_results = filter(ensure_exists, title_results)
- text_phrase = filter(ensure_exists, text_phrase)
- everywhere = filter(ensure_exists, everywhere)
-
- # ensure books do exists & sort them
- for res in (author_results, title_results, text_phrase):
- res.sort(reverse=True)
-
- if not (author_results or title_results or text_phrase or everywhere):
- form = PublishingSuggestForm(initial={"books": query + ", "})
- return render_to_response(
- 'catalogue/search_no_hits.html',
- {
- 'tags': tags,
- 'prefix': query,
- 'form': form,
- 'did_you_mean': suggestion
- },
- context_instance=RequestContext(request))
-
- return render_to_response(
- 'catalogue/search_multiple_hits.html',
- {
- 'tags': tags,
- 'prefix': query,
- 'results': {
- 'author': author_results,
- 'title': title_results,
- 'content': text_phrase,
- 'other': everywhere
- },
- 'did_you_mean': suggestion
- },
- context_instance=RequestContext(request))
+def search(request):
+ filters = SearchFilters(request.GET)
+ ctx = {
+ 'title': 'Wynik wyszukiwania',
+ 'query': request.GET.get('q', ''),
+ 'filters': filters,
+ }
+ if filters.is_valid():
+ ctx['results'] = filters.results()
+ for k, v in ctx['results'].items():
+ if v:
+ ctx['hasresults'] = True
+ break
+ return render(request, 'search/results.html', ctx)
fnp / wolnelektury.git / blobdiff