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Remove legacy search.
[wolnelektury.git] / src / search / views.py
diff --git a/src/search/views.py b/src/search/views.py
index 9be6732..e5ea598 100644 (file)
--- a/src/search/views.py
+++ b/src/search/views.py
@@ -1,68 +1,29 @@
-# -*- 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
 # 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.http.response import HttpResponseRedirect
-from django.shortcuts import render_to_response
-from django.template import RequestContext
+from django.shortcuts import render
 from django.views.decorators import cache
 from django.http import HttpResponse, JsonResponse
 
 from catalogue.models import Book, Tag
 from django.views.decorators import cache
 from django.http import HttpResponse, JsonResponse
 
 from catalogue.models import Book, Tag
-from pdcounter.models import Author
-from picture.models import Picture
-from search.index import Search, SearchResult, PictureResult
-from suggest.forms import PublishingSuggestForm
+from .forms import SearchFilters
 import re
 import json
 
 from wolnelektury.utils import re_escape
 
 
 import re
 import json
 
 from wolnelektury.utils import re_escape
 
 
-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
-
-
-query_syntax_chars = re.compile(r"[\\/*:(){}?.]")
+query_syntax_chars = re.compile(r"[\\/*:(){}?.[\]+]")
 
 
 def remove_query_syntax_chars(query, replace=' '):
     return query_syntax_chars.sub(replace, query)
 
 
 
 
 def remove_query_syntax_chars(query, replace=' '):
     return query_syntax_chars.sub(replace, query)
 
 
-def did_you_mean(query, tokens):
-    return query
-    # change = {}
-    # for t in tokens:
-    #     authors = Tag.objects.filter(category='author', name__iregex=match_word_re(t))
-    #     if len(authors) > 0:
-    #         continue
-
-    #     if False:
-    #         if not dictionary.check(t):
-    #             try:
-    #                 change_to = dictionary.suggest(t)[0].lower()
-    #                 if change_to != t.lower():
-    #                     change[t] = change_to
-    #             except IndexError:
-    #                 pass
-
-    # if change == {}:
-    #     return None
-
-    # for frm, to in change.items():
-    #     query = query.replace(frm, to)
-
-    # return query
-
-
 @cache.never_cache
 @cache.never_cache
-def hint(request):
-    prefix = request.GET.get('term', '')
+def hint(request, mozhint=False, param='term'):
+    prefix = request.GET.get(param, '')
     if len(prefix) < 2:
         return JsonResponse([], safe=False)
 
     if len(prefix) < 2:
         return JsonResponse([], safe=False)
 
@@ -87,15 +48,29 @@ def hint(request):
         for author in authors[:limit]
     ]
     if len(data) < limit:
         for author in authors[:limit]
     ]
     if len(data) < limit:
-        data += [
-            {
-                'label': b.title,
-                'author': b.author_unicode(),
-                'id': b.id,
-                'url': b.get_absolute_url()
-            }
-            for b in Book.objects.filter(title__iregex='\m' + prefix)[:limit-len(data)]
+        for b in Book.objects.filter(findable=True, title__iregex='\m' + prefix)[:limit-len(data)]:
+            author_str = b.author_unicode()
+            translator = b.translator()
+            if translator:
+                author_str += ' (tłum. ' + translator + ')'
+            data.append(
+                {
+                    'label': b.title,
+                    'author': author_str,
+                    'id': b.id,
+                    'url': b.get_absolute_url()
+                }
+            )
+
+    if mozhint:
+        data = [
+            prefix,
+            [
+                item['label']
+                for item in data
+            ]
         ]
         ]
+
     callback = request.GET.get('callback', None)
     if callback:
         return HttpResponse("%s(%s);" % (callback, json.dumps(data)),
     callback = request.GET.get('callback', None)
     if callback:
         return HttpResponse("%s(%s);" % (callback, json.dumps(data)),
@@ -104,139 +79,19 @@ def hint(request):
         return JsonResponse(data, safe=False)
 
 
         return JsonResponse(data, safe=False)
 
 
+
 @cache.never_cache
 @cache.never_cache
-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 = prepare_query(query)
-    pd_authors = search_pd_authors(query)
-    books = search_books(query)
-    pictures = search_pictures(query)
-    suggestion = u''
-
-    if not (books or pictures or pd_authors):
-        form = PublishingSuggestForm(initial={"books": query + ", "})
-        return render_to_response(
-            'catalogue/search_no_hits.html',
-            {
-                'form': form,
-                'did_you_mean': suggestion
-            },
-            context_instance=RequestContext(request))
-
-    if not (books or pictures) and len(pd_authors) == 1:
-        return HttpResponseRedirect(pd_authors[0].get_absolute_url())
-
-    return render_to_response(
-        'catalogue/search_multiple_hits.html',
-        {
-            'pd_authors': pd_authors,
-            'books': books,
-            'pictures': pictures,
-            'did_you_mean': suggestion
-        },
-        context_instance=RequestContext(request))
-
-
-def search_books(query):
-    search = Search()
-    results_parts = []
-    search_fields = []
-    words = query.split()
-    fieldsets = (
-        (['authors'], True),
-        (['title'], True),
-        (['metadata'], True),
-        (['text', 'themes_pl'], False),
-    )
-    for fields, is_book in fieldsets:
-        search_fields += fields
-        results_parts.append(search.search_words(words, search_fields, required=fields, book=is_book))
-    results = []
-    ids_results = {}
-    for results_part in results_parts:
-        for result in sorted(SearchResult.aggregate(results_part), reverse=True):
-            book_id = result.book_id
-            if book_id in ids_results:
-                ids_results[book_id].merge(result)
-            else:
-                results.append(result)
-                ids_results[book_id] = result
-    descendant_ids = set(
-        Book.objects.filter(id__in=ids_results, ancestor__in=ids_results).values_list('id', flat=True))
-    results = [result for result in results if result.book_id not in descendant_ids]
-    for result in results:
-        search.get_snippets(result, query, num=3)
-
-    def ensure_exists(r):
-        try:
-            return r.book
-        except Book.DoesNotExist:
-            return False
-
-    results = filter(ensure_exists, results)
-    return results
-
-
-def search_pictures(query):
-    search = Search()
-    results_parts = []
-    search_fields = []
-    words = query.split()
-    fieldsets = (
-        (['authors'], True),
-        (['title'], True),
-        (['metadata'], True),
-        (['themes_pl'], False),
-    )
-    for fields, is_book in fieldsets:
-        search_fields += fields
-        results_parts.append(search.search_words(words, search_fields, required=fields, book=is_book, picture=True))
-    results = []
-    ids_results = {}
-    for results_part in results_parts:
-        for result in sorted(PictureResult.aggregate(results_part), reverse=True):
-            picture_id = result.picture_id
-            if picture_id in ids_results:
-                ids_results[picture_id].merge(result)
-            else:
-                results.append(result)
-                ids_results[picture_id] = result
-
-    def ensure_exists(r):
-        try:
-            return r.picture
-        except Picture.DoesNotExist:
-            return False
-
-    results = filter(ensure_exists, results)
-    return results
-
-
-def search_pd_authors(query):
-    pd_authors = Author.objects.filter(name__icontains=query)
-    existing_slugs = Tag.objects.filter(
-        category='author', slug__in=list(pd_authors.values_list('slug', flat=True))) \
-        .values_list('slug', flat=True)
-    pd_authors = pd_authors.exclude(slug__in=existing_slugs)
-    return pd_authors
-
-
-def prepare_query(query):
-    query = ' '.join(query.split())
-    # filter out private use characters
-    import unicodedata
-    query = ''.join(ch for ch in query if unicodedata.category(ch) != 'Co')
-    query = remove_query_syntax_chars(query)
-
-    words = query.split()
-    if len(words) > 10:
-        query = ' '.join(words[:10])
-    return query
+def search(request):
+    filters = SearchFilters(request.GET)
+    ctx = {
+        'title': 'Wynik wyszukiwania',
+        'query': request.GET.get('q', ''),
+        'filters': filters,
+    }
+    if filters.is_valid():
+        ctx['results'] = filters.results()
+        for k, v in ctx['results'].items():
+            if v:
+                ctx['hasresults'] = True
+                break
+    return render(request, 'search/results.html', ctx)