Remove date_added field in Gallery

photologue/admin.py

@@ -5,9 +5,9 @@ from .models import Gallery, Photo, Tag
 
 
 class GalleryAdmin(admin.ModelAdmin):
-    list_display = ('title', 'date_added', 'photo_count', 'is_public')
+    list_display = ('title', 'date_start', 'photo_count', 'is_public')
-    list_filter = ['date_added', 'is_public']
+    list_filter = ['date_start', 'is_public']
-    date_hierarchy = 'date_added'
+    date_hierarchy = 'date_start'
     prepopulated_fields = {'slug': ('title',)}
     model = Gallery
     autocomplete_fields = ['photos', 'tags']

photologue/migrations/0002_auto_20220130_1020.py

@@ -0,0 +1,21 @@
+# Generated by Django 3.2.11 on 2022-01-30 10:20
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('photologue', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='gallery',
+            options={'get_latest_by': 'date_start', 'ordering': ['-date_start'], 'verbose_name': 'gallery', 'verbose_name_plural': 'galleries'},
+        ),
+        migrations.RemoveField(
+            model_name='gallery',
+            name='date_added',
+        ),
+    ]

photologue/models.py

@@ -136,8 +136,6 @@ class TagField(models.CharField):
 
 
 class Gallery(models.Model):
-    date_added = models.DateTimeField(_('date published'),
-                                      default=now)
     title = models.CharField(_('title'),
                              max_length=250,
                              unique=True)
@@ -172,8 +170,8 @@ class Gallery(models.Model):
                                     blank=True)
 
     class Meta:
-        ordering = ['-date_added']
+        ordering = ['-date_start']
-        get_latest_by = 'date_added'
+        get_latest_by = 'date_start'
         verbose_name = _('gallery')
         verbose_name_plural = _('galleries')