Fix for unclickable cites in admin.
[wolnelektury.git] / apps / search / views.py
index 11ce8e8..f7aa77c 100644 (file)
@@ -1,21 +1,19 @@
 # -*- 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.contrib.auth.decorators import login_required
 from django.views.decorators import cache
-from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect
+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 catalogue.views import JSONResponse
-from search import Search, SearchResult
-from lucene import StringReader
+from search.index import Search, SearchResult
 from suggest.forms import PublishingSuggestForm
-from time import sleep
 import re
 #import enchant
 import json
@@ -28,6 +26,13 @@ def match_word_re(word):
         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 = {}
@@ -54,10 +59,13 @@ def did_you_mean(query, tokens):
     # return query
 
 
+@cache.never_cache
 def hint(request):
     prefix = request.GET.get('term', '')
     if len(prefix) < 2:
-        return JSONResponse([])
+        return JsonResponse([], safe=False)
+
+    prefix = remove_query_syntax_chars(prefix)
 
     search = Search()
     # tagi beda ograniczac tutaj
@@ -65,9 +73,6 @@ 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.
 
-    tags = search.hint_tags(prefix, pdcounter=True)
-    books = search.hint_books(prefix)
-
     def is_dupe(tag):
         if isinstance(tag, PDCounterAuthor):
             if filter(lambda t: t.slug == tag.slug and t != tag, tags):
@@ -77,31 +82,55 @@ def hint(request):
                 return True
         return False
 
-    tags = filter(lambda t: not is_dupe(t), tags)
-
     def category_name(c):
         if c.startswith('pd_'):
             c = c[len('pd_'):]
         return _(c)
 
-    callback = request.GET.get('callback', None)
-    data = [{'label': t.name,
-              'category': category_name(t.category),
-              'id': t.id,
-              'url': t.get_absolute_url()}
-              for t in tags] + \
-              [{'label': b.title,
+    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()}
-                for b in books]
+                '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)
+        return JsonResponse(data, safe=False)
 
 
+@cache.never_cache
 def main(request):
     results = {}
 
@@ -114,22 +143,30 @@ def main(request):
         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', 'title', 'tags'])
+    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 + title_results)
+        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 []:
@@ -139,9 +176,9 @@ def main(request):
     # 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))
+        search.search_some(query, ['text'], snippets=True, book=False, query_terms=theme_terms))
 
-    everywhere = search.search_everywhere(query)
+    everywhere = search.search_everywhere(query, query_terms=theme_terms)
 
     def already_found(results):
         def f(e):
@@ -152,30 +189,24 @@ def main(request):
                     return True
             return False
         return f
-    f = already_found(author_results + title_results + text_phrase)
+    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)
-        print "get snips %s, res size %d" % (field, len(res))
         for r in res:
-            print "Get snippets for %s" % r
             search.get_snippets(r, query, field, 3)
-        # 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, search.get_tokens(toks, field="SIMPLE"))
     suggestion = u''
 
     def ensure_exists(r):
@@ -185,22 +216,25 @@ def main(request):
             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 + title_results + text_phrase + everywhere
+    results = author_results + translator_results + title_results + text_phrase + everywhere
     # ensure books do exists & sort them
-    results.sort(reverse=True)
-
-    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())
-    elif len(results) == 0:
+    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,
@@ -213,6 +247,7 @@ def main(request):
                               {'tags': tags,
                                'prefix': query,
                                'results': {'author': author_results,
+                                           'translator': translator_results,
                                            'title': title_results,
                                            'content': text_phrase,
                                            'other': everywhere},