Shelf sharing (#301)

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

diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py
index 0a048af..cf1461f 100644 (file)
--- a/apps/catalogue/views.py
+++ b/apps/catalogue/views.py
@@ -7,6 +7,7 @@ import zipfile
 import sys
 import pprint
 import traceback
+import re
 
 from django.conf import settings
 from django.template import RequestContext
@@ -24,6 +25,7 @@ from django.utils.functional import Promise
 from django.utils.encoding import force_unicode
 from django.utils.http import urlquote_plus
 from django.views.decorators import cache
+from django.utils.translation import ugettext as _
 
 from catalogue import models
 from catalogue import forms
@@ -171,16 +173,24 @@ def book_text(request, slug):
 # ==========
 # = Search =
 # ==========
+
+def _no_diacritics_regexp(query):
+    """ returns a regexp for searching for a query without diacritics
+    
+    should be locale-aware """
+    names = {'a':u'ą', 'c':u'ć', 'e':u'ę', 'l': u'ł', 'n':u'ń', 'o':u'ó', 's':u'ś', 'z':u'ź|ż'}
+    def repl(m):
+        l = m.group()
+        return "(%s|%s)" % (l, names[l])
+    return re.sub('[%s]'%(''.join(names.keys())), repl, query)
+
 def _word_starts_with(name, prefix):
     """returns a Q object getting models having `name` contain a word
     starting with `prefix`
     """
     kwargs = {}
     if settings.DATABASE_ENGINE in ('mysql', 'postgresql_psycopg2', 'postgresql'):
-        # we must escape `prefix` so that it only matches literally
-        for special in r'\^$.*+?|(){}[]':
-            prefix = prefix.replace(special, '\\' + special)
-        
+        prefix = _no_diacritics_regexp(re.escape(prefix))
         # we could use a [[:<:]] (word start), 
         # but we want both `xy` and `(xy` to catch `(xyz)`
         kwargs['%s__iregex' % name] = u"(^|[^[:alpha:]])%s" % prefix
@@ -295,7 +305,7 @@ def book_sets(request, slug):
     book_sets = book.tags.filter(category='set', user=request.user)
     
     if not request.user.is_authenticated():
-        return HttpResponse('<p>Aby zarządzać swoimi półkami, musisz się zalogować.</p>')
+        return HttpResponse(_('<p>To maintain your shelves you need to be logged in.</p>'))
     
     if request.method == 'POST':
         form = forms.ObjectSetsForm(book, request.user, request.POST)
@@ -313,7 +323,7 @@ def book_sets(request, slug):
             
             book.tags = new_shelves + list(book.tags.filter(~Q(category='set') | ~Q(user=request.user)))
             if request.is_ajax():
-                return HttpResponse('<p>Półki zostały zapisane.</p>')
+                return HttpResponse(_('<p>Shelves were sucessfully saved.</p>'))
             else:
                 return HttpResponseRedirect('/')
     else:
@@ -337,9 +347,9 @@ def remove_from_shelf(request, shelf, book):
         shelf.book_count -= 1
         shelf.save()
 
-        return HttpResponse('Usunięto')
+        return HttpResponse(_('Book was successfully removed from the shelf'))
     else:
-        return HttpResponse('Książki nie ma na półce')
+        return HttpResponse(_('This book is not on the shelf'))
 
 
 def collect_books(books):
@@ -372,7 +382,7 @@ def download_shelf(request, slug):
         formats = ['pdf', 'odt', 'txt', 'mp3', 'ogg']
     
     # Create a ZIP archive
-    temp = temp = tempfile.TemporaryFile()
+    temp = tempfile.TemporaryFile()
     archive = zipfile.ZipFile(temp, 'w')
     
     for book in collect_books(models.Book.tagged.with_all(shelf)):
@@ -435,7 +445,7 @@ def new_set(request):
         new_set = new_set_form.save(request.user)
 
         if request.is_ajax():
-            return HttpResponse(u'<p>Półka <strong>%s</strong> została utworzona</p>' % new_set)
+            return HttpResponse(_('<p>Shelf <strong>%s</strong> was successfully created</p>') % new_set)
         else:
             return HttpResponseRedirect('/')
 
@@ -450,7 +460,7 @@ def delete_shelf(request, slug):
     user_set.delete()
 
     if request.is_ajax():
-        return HttpResponse(u'<p>Półka <strong>%s</strong> została usunięta</p>' % user_set.name)
+        return HttpResponse(_('<p>Shelf <strong>%s</strong> was successfully removed</p>') % user_set.name)
     else:
         return HttpResponseRedirect('/')
 
@@ -509,10 +519,11 @@ def import_book(request):
             info = sys.exc_info()
             exception = pprint.pformat(info[1])
             tb = '\n'.join(traceback.format_tb(info[2]))
-            return HttpResponse("An error occurred: %s\n\n%s" % (exception, tb), mimetype='text/plain')
-        return HttpResponse("Book imported successfully")
+            _('Today is %(month)s, %(day)s.') % {'month': m, 'day': d}
+            return HttpResponse(_("An error occurred: %(exception)s\n\n%(tb)s") % {'exception':exception, 'tb':tb}, mimetype='text/plain')
+        return HttpResponse(_("Book imported successfully"))
     else:
-        return HttpResponse("Error importing file: %r" % book_import_form.errors)
+        return HttpResponse(_("Error importing file: %r") % book_import_form.errors)
 
 
 
@@ -521,4 +532,4 @@ def clock(request):
     in a format suitable for Date.parse()
     """
     from datetime import datetime
-    return HttpResponse(datetime.now().strftime('%Y/%m/%d %H:%M:%S'))
+    return HttpResponse(datetime.now().strftime('%Y/%m/%d %H:%M:%S'))
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