merge
[wolnelektury.git] / apps / search / views.py
index d056a18..052b2f1 100644 (file)
@@ -15,7 +15,7 @@ from catalogue.views import JSONResponse
 from search import Search, JVM, SearchResult
 from lucene import StringReader
 from suggest.forms import PublishingSuggestForm
 from search import Search, JVM, SearchResult
 from lucene import StringReader
 from suggest.forms import PublishingSuggestForm
-
+import re
 import enchant
 
 dictionary = enchant.Dict('pl_PL')
 import enchant
 
 dictionary = enchant.Dict('pl_PL')
@@ -31,7 +31,6 @@ def match_word_re(word):
 def did_you_mean(query, tokens):
     change = {}
     for t in tokens:
 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
         authors = Tag.objects.filter(category='author', name__iregex=match_word_re(t))
         if len(authors) > 0:
             continue
@@ -120,34 +119,66 @@ def main(request):
             hint.books(book)
 
         toks = StringReader(query)
             hint.books(book)
 
         toks = StringReader(query)
+        tokens_cache = {}
         fuzzy = 'fuzzy' in request.GET
         if fuzzy:
             fuzzy = 0.7
 
         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)
+        
+        text_phrase = SearchResult.aggregate(srch.search_phrase(toks, 'content', fuzzy=fuzzy, 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:
+                        results.append(e)
+                        return True
+                return False
+            return f
+        f = already_found(author_results + title_results)
+        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"))
         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) == 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(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',
         elif len(results) == 0:
             form = PublishingSuggestForm(initial={"books": query + ", "})
             return render_to_response('catalogue/search_no_hits.html',
@@ -160,6 +191,9 @@ def main(request):
         return render_to_response('catalogue/search_multiple_hits.html',
                                   {'tags': tag_list,
                                    'prefix': query,
         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))
                                    'did_you_mean': suggestion},
             context_instance=RequestContext(request))