X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/357027375ff8867f42ca34bcbfb5a78b5b185fc3..16a94603f78e462ff0f8069cd157dbe9f604a215:/src/search/views.py diff --git a/src/search/views.py b/src/search/views.py index f7aa77cd9..a659329f3 100644 --- a/src/search/views.py +++ b/src/search/views.py @@ -3,19 +3,18 @@ # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. # from django.conf import settings -from django.shortcuts import render_to_response, get_object_or_404 +from django.shortcuts import render_to_response from django.template import RequestContext from django.views.decorators import cache -from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect, JsonResponse +from django.http import HttpResponse, JsonResponse from django.utils.translation import ugettext as _ from catalogue.utils import split_tags -from catalogue.models import Book, Tag, Fragment +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 import re -#import enchant import json @@ -116,7 +115,7 @@ def hint(request): break limit -= 1 data.append({ - 'label': b.title, + 'label': '%s, %s' % (b.title, b.author_unicode()), 'category': _('book'), 'id': b.id, 'url': b.get_absolute_url() @@ -132,80 +131,57 @@ def hint(request): @cache.never_cache def main(request): - results = {} - - results = None - query = None - 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}, + 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) - - search = Search() - theme_terms = search.index.analyze(text=query, field="themes_pl") \ - + search.index.analyze(text=query, field="themes") + 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_phrase(query, 'authors', book=True) - translator_results = search.search_phrase(query, 'translators', book=True) - - title_results = search.search_phrase(query, 'title', book=True) - - # Boost main author/title results with mixed search, and save some of its results for end of list. - # boost author, title results - author_title_mixed = search.search_some(query, ['authors', 'translators', 'title', 'tags'], query_terms=theme_terms) - author_title_rest = [] - - for b in author_title_mixed: - also_in_mixed = filter(lambda ba: ba.book_id == b.book_id, author_results + translator_results + title_results) - for b2 in also_in_mixed: - b2.boost *= 1.1 - if also_in_mixed is []: - author_title_rest.append(b) - - # Do a phrase search but a term search as well - this can give us better snippets then search_everywhere, - # Because the query is using only one field. - text_phrase = SearchResult.aggregate( - search.search_phrase(query, 'text', snippets=True, book=False), - search.search_some(query, ['text'], snippets=True, book=False, query_terms=theme_terms)) - - everywhere = search.search_everywhere(query, query_terms=theme_terms) - - 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 + translator_results + title_results + text_phrase) - everywhere = filter(lambda x: not f(x), everywhere) - - author_results = SearchResult.aggregate(author_results) - translator_results = SearchResult.aggregate(translator_results) - title_results = SearchResult.aggregate(title_results) - - everywhere = SearchResult.aggregate(everywhere, author_title_rest) - - for field, res in [('authors', author_results), - ('translators', translator_results), - ('title', title_results), - ('text', text_phrase), - ('text', everywhere)]: - res.sort(reverse=True) - for r in res: - search.get_snippets(r, query, field, 3) + results_parts = [] + + search_fields = [] + fieldsets = ( + (['authors'], True), + (['title'], True), + (['metadata'], True), + (['text', 'themes_pl'], False), + ) + for fieldset, is_book in fieldsets: + search_fields += fieldset + results_parts.append(search.search_words(words, search_fields, book=is_book)) + + results = [] + ids_results = {} + for results_part in results_parts: + for result in sorted(SearchResult.aggregate(results_part), reverse=True): + book_id = result.book_id + if book_id in ids_results: + ids_results[book_id].merge(result) + else: + results.append(result) + ids_results[book_id] = result + + for result in results: + search.get_snippets(result, query, num=3) suggestion = u'' @@ -215,41 +191,26 @@ def main(request): except Book.DoesNotExist: return False - author_results = filter(ensure_exists, author_results) - translator_results = filter(ensure_exists, translator_results) - title_results = filter(ensure_exists, title_results) - text_phrase = filter(ensure_exists, text_phrase) - everywhere = filter(ensure_exists, everywhere) - - results = author_results + translator_results + title_results + text_phrase + everywhere - # ensure books do exists & sort them - for res in (author_results, translator_results, title_results, text_phrase, everywhere): - res.sort(reverse=True) - - # We don't want to redirect to book text, but rather display result page even with one result. - # if len(results) == 1: - # fragment_hits = filter(lambda h: 'fragment' in h, results[0].hits) - # if len(fragment_hits) == 1: - # #anchor = fragment_hits[0]['fragment'] - # #frag = Fragment.objects.get(anchor=anchor) - # return HttpResponseRedirect(fragment_hits[0]['fragment'].get_absolute_url()) - # return HttpResponseRedirect(results[0].book.get_absolute_url()) - if len(results) == 0: + results = filter(ensure_exists, results) + + if not results: form = PublishingSuggestForm(initial={"books": query + ", "}) - return render_to_response('catalogue/search_no_hits.html', - {'tags': tags, - 'prefix': query, - "form": form, - 'did_you_mean': suggestion}, + 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, - 'translator': translator_results, - 'title': title_results, - 'content': text_phrase, - 'other': everywhere}, - 'did_you_mean': suggestion}, + return render_to_response( + 'catalogue/search_multiple_hits.html', + { + 'tags': tags['author'] + tags['kind'] + tags['genre'] + tags['epoch'] + tags['theme'], + 'prefix': query, + 'results': results, + 'did_you_mean': suggestion + }, context_instance=RequestContext(request))