X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/6280673f35e13e75e81c5b7821bd2a44a1831eab..357027375ff8867f42ca34bcbfb5a78b5b185fc3:/apps/search/views.py diff --git a/apps/search/views.py b/apps/search/views.py deleted file mode 100644 index f7aa77cd9..000000000 --- a/apps/search/views.py +++ /dev/null @@ -1,255 +0,0 @@ -# -*- 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, get_object_or_404 -from django.template import RequestContext -from django.views.decorators import cache -from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect, JsonResponse -from django.utils.translation import ugettext as _ - -from catalogue.utils import split_tags -from catalogue.models import Book, Tag, Fragment -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 - - -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"[\\/*:(){}]") - - -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 - - -@cache.never_cache -def hint(request): - prefix = request.GET.get('term', '') - 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) - - try: - limit = int(request.GET.get('max', '')) - except ValueError: - limit = -1 - 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': b.title, - 'category': _('book'), - 'id': b.id, - 'url': b.get_absolute_url() - }) - - callback = request.GET.get('callback', None) - if callback: - return HttpResponse("%s(%s);" % (callback, json.dumps(data)), - content_type="application/json; charset=utf-8") - else: - return JsonResponse(data, safe=False) - - -@cache.never_cache -def main(request): - results = {} - - results = None - query = None - - query = request.GET.get('q', '') - - if len(query) < 2: - return render_to_response('catalogue/search_too_short.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") - - # 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) - - suggestion = u'' - - def ensure_exists(r): - try: - return r.book - 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: - 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, - 'translator': translator_results, - 'title': title_results, - 'content': text_phrase, - 'other': everywhere}, - 'did_you_mean': suggestion}, - context_instance=RequestContext(request))