basic fragment choosing

[wolnelektury.git] / apps / search / views.py

diff --git a/apps/search/views.py b/apps/search/views.py
index 6dcaf74..e9b2564 100644 (file)
--- a/apps/search/views.py
+++ b/apps/search/views.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 
 # -*- coding: utf-8 -*-
 

+from django.conf import settings

 from django.shortcuts import render_to_response, get_object_or_404
 from django.template import RequestContext
 from django.contrib.auth.decorators import login_required
 from django.shortcuts import render_to_response, get_object_or_404
 from django.template import RequestContext
 from django.contrib.auth.decorators import login_required


@@ -8,11 +9,10 @@ from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpRespons
 from django.utils.translation import ugettext as _
 
 from catalogue.utils import get_random_hash
 from django.utils.translation import ugettext as _
 
 from catalogue.utils import get_random_hash

-from catalogue.models import Book, Tag, Fragment, TAG_CATEGORIES
+from catalogue.models import Book, Tag, Fragment

 from catalogue.fields import dumps
 from catalogue.views import JSONResponse
 from catalogue.fields import dumps
 from catalogue.views import JSONResponse

-from catalogue import forms
-from search import MultiSearch, JVM, SearchResult
+from search import Search, JVM, SearchResult

 from lucene import StringReader
 from suggest.forms import PublishingSuggestForm
 
 from lucene import StringReader
 from suggest.forms import PublishingSuggestForm
 


@@ -21,11 +21,20 @@ import enchant
 dictionary = enchant.Dict('pl_PL')
 
 
 dictionary = enchant.Dict('pl_PL')
 
 

+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
+
+

 def did_you_mean(query, tokens):
     change = {}
 def did_you_mean(query, tokens):
     change = {}

-    # sprawdzić, czy słowo nie jest aby autorem - proste szukanie termu w author!

     for t in tokens:
     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
+        

         if not dictionary.check(t):
             try:
                 change[t] = dictionary.suggest(t)[0]
         if not dictionary.check(t):
             try:
                 change[t] = dictionary.suggest(t)[0]


@@ -46,7 +55,7 @@ def hint(request):
     if len(prefix) < 2:
         return JSONResponse([])
     JVM.attachCurrentThread()
     if len(prefix) < 2:
         return JSONResponse([])
     JVM.attachCurrentThread()

-    s = MultiSearch()
+    s = Search()

 
     hint = s.hint()
     try:
 
     hint = s.hint()
     try:


@@ -60,7 +69,6 @@ def hint(request):
     # 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.
 
     # 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.
 

-    

     tags = s.hint_tags(prefix)
     books = s.hint_books(prefix)
 
     tags = s.hint_tags(prefix)
     books = s.hint_books(prefix)
 


@@ -79,22 +87,10 @@ def hint(request):
             for b in books])
 
 
             for b in books])
 
 

-def foo(s, q, tag_list=None):
-    hint = s.hint()
-    try:
-        tag_list = Tag.get_tag_list(tag_list)
-        hint.tags(tag_list)
-    except:
-        tag_list = None
-
-    q = StringReader(q)
-    return (q, hint)
-
-

 def main(request):
     results = {}
     JVM.attachCurrentThread()  # where to put this?
 def main(request):
     results = {}
     JVM.attachCurrentThread()  # where to put this?

-    srch = MultiSearch()
+    srch = Search()

 
     results = None
     query = None
 
     results = None
     query = None


@@ -123,18 +119,39 @@ 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_perfect_parts(toks, fuzzy=fuzzy, hint=hint),
-                                         srch.search_everywhere(toks, fuzzy=fuzzy, hint=hint))
+        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))
+        [r.process_hits() for r in text_phrase]
+        
+        everywhere = SearchResult.aggregate(srch.search_everywhere(toks, fuzzy=fuzzy, tokens_cache=tokens_cache), author_title_rest)
+        [r.process_hits() for r in everywhere]
+
+        for res in [author_results, title_results, text_phrase, everywhere]:
+            res.sort(reverse=True)
+
+        suggestion = did_you_mean(query, srch.get_tokens(toks, field="SIMPLE"))
+
+        results = author_results + title_results + text_phrase + everywhere

         results.sort(reverse=True)
         results.sort(reverse=True)

-
-        for r in results:
-            print r.hits
-
+        

         if len(results) == 1:
             if len(results[0].hits) == 0:
                 return HttpResponseRedirect(results[0].book.get_absolute_url())
         if len(results) == 1:
             if len(results[0].hits) == 0:
                 return HttpResponseRedirect(results[0].book.get_absolute_url())


@@ -144,17 +161,18 @@ def main(request):
         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',

-                                      {'tags': tag_list, 'prefix': query, "pubsuggest_form": form,
-                                       'form': forms.SearchForm()},
+                                      {'tags': tag_list,
+                                       'prefix': query,
+                                       "form": form,
+                                       'did_you_mean': suggestion},

                 context_instance=RequestContext(request))
 
         return render_to_response('catalogue/search_multiple_hits.html',
                 context_instance=RequestContext(request))
 
         return render_to_response('catalogue/search_multiple_hits.html',

-                                  {'tags': tag_list, 'prefix': query,
-                                   'results': results, 'from': forms.SearchForm()},
+                                  {'tags': tag_list,
+                                   'prefix': query,
+                                   'results': { 'author': author_results,
+                                                'title': title_results,
+                                                'content': text_phrase,
+                                                'other': everywhere},
+                                   'did_you_mean': suggestion},

             context_instance=RequestContext(request))
             context_instance=RequestContext(request))

-
-    # return render_to_response('newsearch/search.html', {'results': results,
-    #                                                     'did_you_mean': (query is not None) and
-    #                                                     did_you_mean(query, srch.get_tokens(query, field='SIMPLE')),
-    #                                                     'fuzzy': fuzzy},
-    #                           context_instance=RequestContext(request))