from search import Search, JVM, SearchResult
from lucene import StringReader
from suggest.forms import PublishingSuggestForm
-
+import re
import enchant
dictionary = enchant.Dict('pl_PL')
def did_you_mean(query, tokens):
change = {}
for t in tokens:
- print("%s ok? %s, sug: %s" % (t, dictionary.check(t), dictionary.suggest(t)))
authors = Tag.objects.filter(category='author', name__iregex=match_word_re(t))
if len(authors) > 0:
continue
hint.books(book)
toks = StringReader(query)
+ tokens_cache = {}
fuzzy = 'fuzzy' in request.GET
if fuzzy:
fuzzy = 0.7
- results = SearchResult.aggregate(srch.search_perfect_book(toks, fuzzy=fuzzy, hint=hint),
- srch.search_book(toks, fuzzy=fuzzy, hint=hint),
- srch.search_perfect_parts(toks, fuzzy=fuzzy, hint=hint),
- srch.search_everywhere(toks, fuzzy=fuzzy, hint=hint))
-
- for r in results:
- r.process_hits()
-
- results.sort(reverse=True)
-
- for r in results:
- print "-----"
- for h in r.hits:
- print "- %s" % h
-
- # Did you mean?
+ author_results = srch.search_phrase(toks, 'authors', fuzzy=fuzzy, tokens_cache=tokens_cache)
+ title_results = srch.search_phrase(toks, 'title', fuzzy=fuzzy, tokens_cache=tokens_cache)
+
+ # 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 = srch.search_some(toks, ['authors', 'title', 'tags'], fuzzy=fuzzy, tokens_cache=tokens_cache)
+ author_title_rest = []
+ for b in author_title_mixed:
+ bks = filter(lambda ba: ba.book_id == b.book_id, author_results + title_results)
+ for b2 in bks:
+ b2.boost *= 1.1
+ if bks 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(
+ srch.search_phrase(toks, 'content', fuzzy=fuzzy, tokens_cache=tokens_cache, snippets=True, book=False, slop=4),
+ srch.search_some(toks, ['content'], tokens_cache=tokens_cache, snippets=True, book=False))
+
+ everywhere = srch.search_everywhere(toks, fuzzy=fuzzy, tokens_cache=tokens_cache)
+
+ 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)
+ title_results = SearchResult.aggregate(title_results)
+
+ everywhere = SearchResult.aggregate(everywhere, author_title_rest)
+
+ for res in [author_results, title_results, text_phrase, everywhere]:
+ res.sort(reverse=True)
+ for r in res:
+ for h in r.hits:
+ h['snippets'] = map(lambda s:
+ re.subn(r"(^[ \t\n]+|[ \t\n]+$)", u"",
+ re.subn(r"[ \t\n]*\n[ \t\n]*", u"\n", s)[0])[0], h['snippets'])
+
suggestion = did_you_mean(query, srch.get_tokens(toks, field="SIMPLE"))
-
+ print "dym? %s" % repr(suggestion).encode('utf-8')
+
+ results = author_results + title_results + text_phrase + everywhere
+ results.sort(reverse=True)
+
if len(results) == 1:
- if len(results[0].hits) == 0:
- return HttpResponseRedirect(results[0].book.get_absolute_url())
- elif len(results[0].hits) == 1 and results[0].hits[0] is not None:
- frag = Fragment.objects.get(anchor=results[0].hits[0])
+ 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(frag.get_absolute_url())
+ return HttpResponseRedirect(results[0].book.get_absolute_url())
elif len(results) == 0:
form = PublishingSuggestForm(initial={"books": query + ", "})
return render_to_response('catalogue/search_no_hits.html',
return render_to_response('catalogue/search_multiple_hits.html',
{'tags': tag_list,
'prefix': query,
- 'results': results,
+ 'results': { 'author': author_results,
+ 'title': title_results,
+ 'content': text_phrase,
+ 'other': everywhere},
'did_you_mean': suggestion},
context_instance=RequestContext(request))