X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/ee4f3e79135a34ad7ed845453adbe8dfc1e420c1..63519710f7ae064e26d3ee068d59201e8bc02cf3:/apps/cover/forms.py

diff --git a/apps/cover/forms.py b/apps/cover/forms.py
index 5b514f08..e6ffdff4 100755
--- a/apps/cover/forms.py
+++ b/apps/cover/forms.py
@@ -6,8 +6,9 @@
 import re
 from urllib2 import urlopen
 from django import forms
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import ugettext_lazy as _, ugettext
 from cover.models import Image
+from django.utils.text import mark_safe
 
 class ImageAddForm(forms.ModelForm):
     class Meta:
@@ -18,10 +19,17 @@ class ImageAddForm(forms.ModelForm):
         self.fields['file'].required = False
 
     def clean_download_url(self):
-        return self.cleaned_data['download_url'] or None
-
-    def clean_source_url(self):
-        return self.cleaned_data['source_url'] or None
+        cl = self.cleaned_data['download_url'] or None
+        if cl is not None:
+            try:
+                img = Image.objects.get(download_url=cl)
+            except Image.DoesNotExist:
+                pass
+            else:
+                raise forms.ValidationError(mark_safe(
+                    ugettext('Image <a href="%(url)s">already in repository</a>.'
+                        ) % {'url': img.get_absolute_url()}))
+        return cl
 
     def clean(self):
         cleaned_data = super(ImageAddForm, self).clean()
@@ -29,7 +37,6 @@ class ImageAddForm(forms.ModelForm):
             raise forms.ValidationError('No image specified')
         return cleaned_data
 
-
 class ImageEditForm(forms.ModelForm):
     """Form used for editing a Book."""
     class Meta:
@@ -73,7 +80,7 @@ class FlickrForm(forms.Form):
             assert match
             license_url = match.group(1)
             self.cleaned_data['license_url'] = license_url
-            re_license = re.compile(r'http://creativecommons.org/licenses/([^/]*)/([^/]*)/.*')
+            re_license = re.compile(r'https?://creativecommons.org/licenses/([^/]*)/([^/]*)/.*')
             m = re_license.match(license_url)
             assert m
             self.cleaned_data['license_name'] = 'CC %s %s' % (m.group(1).upper(), m.group(2))