add absolute url (also for 'view on site' in admin app)

fet2020/members/models.py

@@ -3,6 +3,7 @@ import logging
 from django.contrib.auth.models import User
 from django.core.validators import ValidationError, validate_email
 from django.db import models
+from django.urls import reverse
 from django.utils.text import slugify
 from django.utils.translation import gettext_lazy as _
 from easy_thumbnails.fields import ThumbnailerImageField
@@ -82,6 +83,13 @@ class Member(models.Model):
         verbose_name = "Mitglied"
         verbose_name_plural = "Mitglieder"
 
+    def __str__(self):
+        return self.firstname + " " + self.surname
+
+    # need to have 'View on site' link in admin app
+    def get_absolute_url(self):
+        return reverse("member", kwargs={"member_id": self.id})
+
     def clean(self):
         if not self.image:
             raise ValidationError(_("Es fehlt das Profilbild."))
@@ -95,9 +103,6 @@ class Member(models.Model):
                 user.first_name = self.firstname
                 user.save()
 
-    def __str__(self):
-        return self.firstname + " " + self.surname
-
 
 class JobGroup(models.Model):
     name = models.CharField(max_length=128)
@@ -120,6 +125,10 @@ class JobGroup(models.Model):
     def __str__(self):
         return self.name
 
+    # need to have 'View on site' link in admin app
+    def get_absolute_url(self):
+        return reverse("jobs", kwargs={"slug": self.slug})
+
     def save(self, *args, **kwargs):
         if not self.slug:
             self.slug = slugify(self.shortterm)
@@ -149,6 +158,9 @@ class Job(models.Model):
     def __str__(self):
         return self.name
 
+    def get_absolute_url(self):
+        return reverse("jobs", kwargs={"slug": self.job_group.slug}) + "#" + self.slug
+
     def save(self, *args, **kwargs):
         if not self.slug:
             self.slug = slugify(self.shortterm)