[WEB-5312] migration: reply for work item comments

apps/api/plane/db/management/commands/copy_issue_comment_to_description.py

@@ -0,0 +1,49 @@
+# Django imports
+from django.core.management.base import BaseCommand
+from django.db import transaction
+
+# Module imports
+from plane.db.models import Description
+from plane.db.models import IssueComment
+
+
+class Command(BaseCommand):
+    help = "Create Description records for existing IssueComment"
+
+    def handle(self, *args, **kwargs):
+        batch_size = 500
+
+        while True:
+            comments = list(
+                IssueComment.objects.filter(description_id__isnull=True).order_by("created_at")[:batch_size]
+            )
+
+            if not comments:
+                break
+
+            with transaction.atomic():
+                descriptions = [
+                    Description(
+                        created_at=comment.created_at,
+                        updated_at=comment.updated_at,
+                        description_json=comment.comment_json,
+                        description_html=comment.comment_html,
+                        description_stripped=comment.comment_stripped,
+                        project_id=comment.project_id,
+                        created_by_id=comment.created_by_id,
+                        updated_by_id=comment.updated_by_id,
+                        workspace_id=comment.workspace_id,
+                    )
+                    for comment in comments
+                ]
+
+                created_descriptions = Description.objects.bulk_create(descriptions)
+
+                comments_to_update = []
+                for comment, description in zip(comments, created_descriptions):
+                    comment.description_id = description.id
+                    comments_to_update.append(comment)
+
+                IssueComment.objects.bulk_update(comments_to_update, ["description_id"])
+
+        self.stdout.write(self.style.SUCCESS("Successfully Copied IssueComment to Description"))

apps/api/plane/db/migrations/0109_issuecomment_description_and_parent_id.py

@@ -0,0 +1,24 @@
+# Generated by Django 4.2.22 on 2025-11-06 08:28
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('db', '0108_alter_issueactivity_issue_comment'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='issuecomment',
+            name='description',
+            field=models.OneToOneField(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='issue_comment_description', to='db.description'),
+        ),
+        migrations.AddField(
+            model_name='issuecomment',
+            name='parent',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='parent_issue_comment', to='db.issuecomment'),
+        ),
+    ]

apps/api/plane/db/models/issue.py

@@ -17,6 +17,7 @@
 from plane.utils.exception_logger import log_exception
 from .project import ProjectBaseModel
 from plane.utils.uuid import convert_uuid_to_integer
+from .description import Description
 
 
 def get_default_properties():
@@ -446,6 +447,9 @@ class IssueComment(ProjectBaseModel):
     comment_stripped = models.TextField(verbose_name="Comment", blank=True)
     comment_json = models.JSONField(blank=True, default=dict)
     comment_html = models.TextField(blank=True, default="<p></p>")
+    description = models.OneToOneField(
+        "db.Description", on_delete=models.CASCADE, related_name="issue_comment_description", null=True
+    )
     attachments = ArrayField(models.URLField(), size=10, blank=True, default=list)
     issue = models.ForeignKey(Issue, on_delete=models.CASCADE, related_name="issue_comments")
     # System can also create comment
@@ -463,10 +467,53 @@ class IssueComment(ProjectBaseModel):
     external_source = models.CharField(max_length=255, null=True, blank=True)
     external_id = models.CharField(max_length=255, blank=True, null=True)
     edited_at = models.DateTimeField(null=True, blank=True)
+    parent = models.ForeignKey(
+        "self", on_delete=models.CASCADE, null=True, blank=True, related_name="parent_issue_comment"
+    )
 
     def save(self, *args, **kwargs):
         self.comment_stripped = strip_tags(self.comment_html) if self.comment_html != "" else ""
-        return super(IssueComment, self).save(*args, **kwargs)
+        is_creating = self._state.adding or not self.pk
+
+        if not is_creating:
+            old_issue_comment = IssueComment.objects.get(pk=self.id)
+
+        super(IssueComment, self).save(*args, **kwargs)
+
+        description_defaults = {
+            "workspace_id": self.workspace_id,
+            "project_id": self.project_id,
+            "created_by_id": self.created_by_id,
+            "updated_by_id": self.updated_by_id,
+            "description_stripped": self.comment_stripped,
+            "description_json": self.comment_json,
+            "description_html": self.comment_html,
+        }
+
+        if is_creating:
+            description = Description.objects.create(**description_defaults)
+
+            self.description_id = description.id
+            super(IssueComment, self).save(update_fields=["description_id"])
+        else:
+            changed_fields = {}
+
+            if old_issue_comment.comment_html != self.comment_html:
+                changed_fields["description_html"] = self.comment_html
+
+            if old_issue_comment.comment_stripped != self.comment_stripped:
+                changed_fields["description_stripped"] = self.comment_stripped
+
+            if old_issue_comment.comment_json != self.comment_json:
+                changed_fields["description_json"] = self.comment_json
+
+            if changed_fields:
+                if self.description_id:
+                    Description.objects.filter(pk=self.description_id).update(**changed_fields)
+                else:
+                    description = Description.objects.create(**description_defaults)
+                    IssueComment.objects.filter(pk=self.pk).update(description_id=description.id)
+                    self.description_id = description.id
 
     class Meta:
         verbose_name = "Issue Comment"