Add timestamps for record creation and updates for all models

twitch/admin.py

@@ -11,6 +11,7 @@ class GameAdmin(admin.ModelAdmin):
 
     list_display = ("id", "display_name", "slug")
     search_fields = ("id", "display_name", "slug")
+    readonly_fields = ("added_at", "updated_at")
 
 
 @admin.register(Organization)
@@ -19,6 +20,7 @@ class OrganizationAdmin(admin.ModelAdmin):
 
     list_display = ("id", "name")
     search_fields = ("id", "name")
+    readonly_fields = ("added_at", "updated_at")
 
 
 class TimeBasedDropInline(admin.TabularInline):
@@ -36,7 +38,7 @@ class DropCampaignAdmin(admin.ModelAdmin):
     list_filter = ("game",)
     search_fields = ("id", "name", "description")
     inlines = [TimeBasedDropInline]
-    readonly_fields = ("created_at", "updated_at")
+    readonly_fields = ("added_at", "updated_at")
 
 
 class DropBenefitEdgeInline(admin.TabularInline):
@@ -60,6 +62,8 @@ class TimeBasedDropAdmin(admin.ModelAdmin):
         "end_at",
     )
     list_filter = ("campaign__game", "campaign")
+    readonly_fields = ("added_at", "updated_at")
+
     search_fields = ("id", "name")
     inlines = [DropBenefitEdgeInline]
 
@@ -77,3 +81,4 @@ class DropBenefitAdmin(admin.ModelAdmin):
     )
     list_filter = ("distribution_type",)
     search_fields = ("id", "name")
+    readonly_fields = ("added_at", "updated_at")

twitch/migrations/0008_rename_created_at_dropcampaign_added_at_and_more.py

@@ -0,0 +1,85 @@
+# Generated by Django 5.2.5 on 2025-09-04 21:00
+
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('twitch', '0007_remove_game_unique_game_slug'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='dropcampaign',
+            old_name='created_at',
+            new_name='added_at',
+        ),
+        migrations.AddField(
+            model_name='dropbenefit',
+            name='added_at',
+            field=models.DateTimeField(auto_now_add=True, db_index=True, default=django.utils.timezone.now, help_text='Timestamp when this benefit record was created.'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='dropbenefit',
+            name='updated_at',
+            field=models.DateTimeField(auto_now=True, help_text='Timestamp when this benefit record was last updated.'),
+        ),
+        migrations.AddField(
+            model_name='dropbenefitedge',
+            name='added_at',
+            field=models.DateTimeField(auto_now_add=True, db_index=True, default=django.utils.timezone.now, help_text='Timestamp when this drop-benefit edge was created.'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='dropbenefitedge',
+            name='updated_at',
+            field=models.DateTimeField(auto_now=True, help_text='Timestamp when this drop-benefit edge was last updated.'),
+        ),
+        migrations.AddField(
+            model_name='game',
+            name='added_at',
+            field=models.DateTimeField(auto_now_add=True, db_index=True, default=django.utils.timezone.now, help_text='Timestamp when this game record was created.'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='game',
+            name='updated_at',
+            field=models.DateTimeField(auto_now=True, help_text='Timestamp when this game record was last updated.'),
+        ),
+        migrations.AddField(
+            model_name='notificationsubscription',
+            name='added_at',
+            field=models.DateTimeField(auto_now_add=True, db_index=True, default=django.utils.timezone.now),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='notificationsubscription',
+            name='updated_at',
+            field=models.DateTimeField(auto_now=True),
+        ),
+        migrations.AddField(
+            model_name='organization',
+            name='added_at',
+            field=models.DateTimeField(auto_now_add=True, db_index=True, default=django.utils.timezone.now, help_text='Timestamp when this organization record was created.'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='organization',
+            name='updated_at',
+            field=models.DateTimeField(auto_now=True, help_text='Timestamp when this organization record was last updated.'),
+        ),
+        migrations.AddField(
+            model_name='timebaseddrop',
+            name='added_at',
+            field=models.DateTimeField(auto_now_add=True, db_index=True, default=django.utils.timezone.now, help_text='Timestamp when this time-based drop record was created.'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='timebaseddrop',
+            name='updated_at',
+            field=models.DateTimeField(auto_now=True, help_text='Timestamp when this time-based drop record was last updated.'),
+        ),
+    ]

twitch/models.py

@@ -33,6 +33,16 @@ class Organization(models.Model):
         help_text="Display name of the organization.",
     )
 
+    added_at = models.DateTimeField(
+        auto_now_add=True,
+        db_index=True,
+        help_text="Timestamp when this organization record was created.",
+    )
+    updated_at = models.DateTimeField(
+        auto_now=True,
+        help_text="Timestamp when this organization record was last updated.",
+    )
+
     class Meta:
         ordering = ["name"]
         indexes: ClassVar[list] = [
@@ -87,6 +97,16 @@ class Game(models.Model):
         help_text="The organization that owns this game.",
     )
 
+    added_at = models.DateTimeField(
+        auto_now_add=True,
+        db_index=True,
+        help_text="Timestamp when this game record was created.",
+    )
+    updated_at = models.DateTimeField(
+        auto_now=True,
+        help_text="Timestamp when this game record was last updated.",
+    )
+
     class Meta:
         ordering = ["display_name"]
         indexes: ClassVar[list] = [
@@ -186,7 +206,7 @@ class DropCampaign(models.Model):
         help_text="Game associated with this campaign.",
     )
 
-    created_at = models.DateTimeField(
+    added_at = models.DateTimeField(
         auto_now_add=True,
         db_index=True,
         help_text="Timestamp when this campaign record was created.",
@@ -288,6 +308,16 @@ class DropBenefit(models.Model):
         help_text="Type of distribution for this benefit.",
     )
 
+    added_at = models.DateTimeField(
+        auto_now_add=True,
+        db_index=True,
+        help_text="Timestamp when this benefit record was created.",
+    )
+    updated_at = models.DateTimeField(
+        auto_now=True,
+        help_text="Timestamp when this benefit record was last updated.",
+    )
+
     class Meta:
         ordering = ["-created_at"]
         indexes: ClassVar[list] = [
@@ -351,6 +381,16 @@ class TimeBasedDrop(models.Model):
         help_text="Benefits unlocked by this drop.",
     )
 
+    added_at = models.DateTimeField(
+        auto_now_add=True,
+        db_index=True,
+        help_text="Timestamp when this time-based drop record was created.",
+    )
+    updated_at = models.DateTimeField(
+        auto_now=True,
+        help_text="Timestamp when this time-based drop record was last updated.",
+    )
+
     class Meta:
         ordering = ["start_at"]
         indexes: ClassVar[list] = [
@@ -382,6 +422,16 @@ class DropBenefitEdge(models.Model):
         help_text="Max times this benefit can be claimed for this drop.",
     )
 
+    added_at = models.DateTimeField(
+        auto_now_add=True,
+        db_index=True,
+        help_text="Timestamp when this drop-benefit edge was created.",
+    )
+    updated_at = models.DateTimeField(
+        auto_now=True,
+        help_text="Timestamp when this drop-benefit edge was last updated.",
+    )
+
     class Meta:
         constraints = [
             models.UniqueConstraint(fields=("drop", "benefit"), name="unique_drop_benefit"),
@@ -405,6 +455,9 @@ class NotificationSubscription(models.Model):
     notify_found = models.BooleanField(default=False)
     notify_live = models.BooleanField(default=False)
 
+    added_at = models.DateTimeField(auto_now_add=True, db_index=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
     class Meta:
         unique_together: ClassVar[list[tuple[str, str]]] = [
             ("user", "game"),