X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/bf44c40468133304afaf5fac1676bcaab7db4969..1c9e2865ce8c6ab51b2fa3e43d3661089e7b7eb8:/src/search/views.py diff --git a/src/search/views.py b/src/search/views.py index 8b055a434..e5ea59837 100644 --- a/src/search/views.py +++ b/src/search/views.py @@ -1,125 +1,75 @@ -# -*- 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': '%s, %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: @@ -129,117 +79,19 @@ def hint(request): 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)