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, 21 insertions, 0 deletions

diff --git a/app/links/admin.py b/app/links/admin.py
index c1c0bdb..1811b3f 100644
--- a/app/links/admin.py
+++ b/app/links/admin.py
@@ -33,4 +33,7 @@ class LinkAdmin(admin.ModelAdmin):
         }),
     )
 
+    class Media:
+        js = ('next-prev-links.js',)
+
 admin.site.register(Link, LinkAdmin)
diff --git a/app/links/models.py b/app/links/models.py
index 4954a29..cdbe680 100644
--- a/app/links/models.py
+++ b/app/links/models.py
@@ -4,6 +4,7 @@ from django.template.defaultfilters import striptags
 from django.urls import reverse
 from django.utils.encoding import force_text
 from django.utils.html import format_html
+from django.apps import apps
 from django.db import models
 from django.utils import timezone
 from django.core.mail import EmailMessage
@@ -69,6 +70,23 @@ class Link(models.Model):
         return format_html('<a href="%s">Visit Site</a>' % (self.url))
         admin_link.short_description = 'Link'
 
+    @property
+    def get_next_published(self):
+        return self.get_next_by_pub_date(status__exact=1)
+
+    @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 ''
+
 
 @receiver(post_save, sender=Link)
 def post_save_events(sender, update_fields, created, instance, **kwargs):