def main(request):
query = request.GET.get('q', '')
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)
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))
