abstracted the next prev links into utils so now they work for every

model that implements a get_%S_admin_link method and loads the JS

2 files changed, 13 insertions, 1 deletions

diff --git a/app/sketches/admin.py b/app/sketches/admin.py
index 41715aa..07a2e6a 100644
--- a/app/sketches/admin.py
+++ b/app/sketches/admin.py
@@ -34,7 +34,7 @@ class SketchAdmin(OLAdminBase):
     default_zoom = 10
     
     class Media:
-        js = ('image-loader.js',)
+        js = ('image-loader.js', 'next-prev-links.js')
 
 
 
diff --git a/app/sketches/models.py b/app/sketches/models.py
index c7d28a5..2d7f9ac 100644
--- a/app/sketches/models.py
+++ b/app/sketches/models.py
@@ -58,6 +58,18 @@ class Sketch(models.Model):
     def get_next_published(self):
         return self.get_next_by_pub_date()
 
+    @property
+    def get_previous_admin_url(self):
+        n = self.get_previous_by_pub_date()
+        return reverse('admin:%s_%s_change' %(self._meta.app_label,  self._meta.model_name),  args=[n.id] )
+
+    @property
+    def get_next_admin_url(self):
+        model = apps.get_model(app_label=self._meta.app_label, model_name=self._meta.model_name)
+        try:
+            return reverse('admin:%s_%s_change' %(self._meta.app_label,  self._meta.model_name),  args=[self.get_next_by_pub_date().pk] )
+        except model.DoesNotExist:
+            return ''
 
     def save(self, *args, **kwargs):
         md = render_images(self.body_markdown)