chore: added epoch in issue activity (#2187)

apiserver/plane/db/migrations/0045_issueactivity_epoch_alter_analyticview_created_by_and_more.py

@@ -0,0 +1,27 @@
+# Generated by Django 4.2.3 on 2023-09-14 06:49
+
+from django.db import migrations, models
+
+def update_epoch(apps, schema_editor):
+    IssueActivity = apps.get_model('db', 'IssueActivity')
+    updated_issue_activity = []
+    for obj in IssueActivity.objects.all():
+        obj.epoch = int(obj.created_at.timestamp())
+        updated_issue_activity.append(obj)
+    IssueActivity.objects.bulk_update(updated_issue_activity, ["epoch"], batch_size=100)
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('db', '0044_auto_20230913_0709'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='issueactivity',
+            name='epoch',
+            field=models.FloatField(null=True),
+        ),
+        migrations.RunPython(update_epoch),
+    ]

apiserver/plane/db/models/issue.py

@@ -309,6 +309,7 @@ class IssueActivity(ProjectBaseModel):
     )
     old_identifier = models.UUIDField(null=True)
     new_identifier = models.UUIDField(null=True)
+    epoch = models.FloatField(null=True)
 
     class Meta:
         verbose_name = "Issue Activity"