Fix in librarian

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

diff --git a/apps/dictionary/views.py b/apps/dictionary/views.py
index 47204fd..40b36ba 100755 (executable)
--- a/apps/dictionary/views.py
+++ b/apps/dictionary/views.py
@@ -2,15 +2,82 @@
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
-from django.views.generic.list_detail import object_list
-from dictionary.models import Note
-
-def letter_notes(request, letter=None):
-    letters = ["0-9"] + [chr(a) for a in range(ord('a'), ord('z')+1)]
-    objects = Note.objects.all()
-    if letter == "0-9":
-        objects = objects.filter(sort_key__regex=r"^[0-9]")
-    elif letter:
-        objects = objects.filter(sort_key__startswith=letter)
-
-    return object_list(request, queryset=objects, extra_context=locals())
+from django.views.generic.list import ListView
+from django.conf import settings
+from django.db.models import Count, Q
+from catalogue.constants import LANGUAGES_3TO2
+from .constants import FN_TYPES
+from .models import Note, Qualifier
+
+
+class NotesView(ListView):
+    def get_queryset(self):
+        objects = Note.objects.select_related('book').all()
+        filters = {}
+
+        try:
+            self.qualifier = Qualifier.objects.get(qualifier=self.request.GET.get('qual'))
+        except Qualifier.DoesNotExist:
+            self.qualifier = None
+        else:
+            filters['qualifier'] = Q(qualifiers=self.qualifier)
+
+        self.language = self.request.GET.get('lang')
+        if self.language:
+            filters['language'] = Q(language=self.language)
+
+        self.fn_type = self.request.GET.get('type')
+        if self.fn_type:
+            filters['fn_type'] = Q(fn_type=self.fn_type)
+
+        self.letter = self.request.GET.get('ltr')
+        if self.letter == "0-9":
+            objects = objects.filter(sort_key__regex=r"^[0-9]")
+            #filters['letter'] = Q(sort_key__regex=r"^[0-9]")
+        elif self.letter:
+            objects = objects.filter(sort_key__startswith=self.letter)
+            #filters['letter'] = Q(sort_key__startswith=self.letter)
+
+        self.letters = ["0-9"] + [chr(a) for a in range(ord('a'), ord('z')+1)]
+
+        nobj = objects
+        for key, fltr in filters.items():
+            if key != 'qualifier':
+                nobj = nobj.filter(fltr)
+        self.qualifiers = Qualifier.objects.filter(note__in=nobj).distinct()
+
+        nobj = objects
+        for key, fltr in filters.items():
+            if key != 'language':
+                nobj = nobj.filter(fltr)
+        self.languages = nobj.order_by('language').values_list(
+            'language', flat=True).distinct()
+        lang_names = dict(settings.LANGUAGES)
+        self.languages = [
+            (lang, lang_names.get(LANGUAGES_3TO2.get(lang, lang), lang))
+            for lang in self.languages]
+
+        nobj = objects
+        for key, fltr in filters.items():
+            if key != 'fn_type':
+                nobj = nobj.filter(fltr)
+        self.fn_types = nobj.order_by('fn_type').values_list(
+            'fn_type', flat=True).distinct()
+        self.fn_types = [(fnt, FN_TYPES[fnt]) for fnt in self.fn_types]
+
+        for f in filters.values():
+            objects = objects.filter(f)
+
+        return objects
+
+    def get_context_data(self, **kwargs):
+        context = super(NotesView, self).get_context_data(**kwargs)
+        context['letters'] = self.letters
+        context['letter'] = self.letter
+        context['qualifiers'] = self.qualifiers
+        context['qualifier'] = self.qualifier
+        context['languages'] = self.languages
+        context['language'] = self.language
+        context['fn_types'] = self.fn_types
+        context['fn_type'] = self.fn_type
+        return context