feat(preprod): Add snapshot details to admin info endpoint

Add snapshot metrics, comparison, and approval data to the preprod
artifact admin info endpoint for debugging visibility.

Author: NicoHinderling

src/sentry/preprod/api/endpoints/preprod_artifact_admin_info.py

@@ -15,7 +15,9 @@
     InstallablePreprodArtifact,
     PreprodArtifact,
     PreprodArtifactSizeMetrics,
+    PreprodComparisonApproval,
 )
+from sentry.preprod.snapshots.models import PreprodSnapshotComparison, PreprodSnapshotMetrics
 
 logger = logging.getLogger(__name__)
 
@@ -84,6 +86,27 @@ def get(self, request: Request, head_artifact_id: str) -> Response:
             InstallablePreprodArtifact.objects.filter(preprod_artifact_id=head_artifact_id_int)
         )
 
+        snapshot_metrics = PreprodSnapshotMetrics.objects.filter(
+            preprod_artifact_id=head_artifact_id_int
+        ).first()
+
+        snapshot_comparison = None
+        if snapshot_metrics:
+            snapshot_comparison = (
+                PreprodSnapshotComparison.objects.select_related(
+                    "base_snapshot_metrics",
+                )
+                .filter(head_snapshot_metrics=snapshot_metrics)
+                .first()
+            )
+
+        snapshot_approval = None
+        if snapshot_metrics:
+            snapshot_approval = PreprodComparisonApproval.objects.filter(
+                preprod_artifact_id=head_artifact_id_int,
+                preprod_feature_type=PreprodComparisonApproval.FeatureType.SNAPSHOTS,
+            ).first()
+
         mobile_app_info = preprod_artifact.get_mobile_app_info()
 
         artifact_info = {
@@ -233,6 +256,73 @@ def get(self, request: Request, head_artifact_id: str) -> Response:
                 }
                 for installable in installable_artifacts
             ],
+            # Snapshot data
+            "snapshot_metrics": (
+                {
+                    "id": snapshot_metrics.id,
+                    "image_count": snapshot_metrics.image_count,
+                    "extras": snapshot_metrics.extras,
+                    "date_added": (
+                        snapshot_metrics.date_added.isoformat()
+                        if snapshot_metrics.date_added
+                        else None
+                    ),
+                    "date_updated": (
+                        snapshot_metrics.date_updated.isoformat()
+                        if snapshot_metrics.date_updated
+                        else None
+                    ),
+                }
+                if snapshot_metrics
+                else None
+            ),
+            "snapshot_comparison": (
+                {
+                    "id": snapshot_comparison.id,
+                    "state": snapshot_comparison.state,
+                    "error_code": snapshot_comparison.error_code,
+                    "error_message": snapshot_comparison.error_message,
+                    "base_artifact_id": snapshot_comparison.base_snapshot_metrics.preprod_artifact_id,
+                    "images_added": snapshot_comparison.images_added,
+                    "images_removed": snapshot_comparison.images_removed,
+                    "images_changed": snapshot_comparison.images_changed,
+                    "images_unchanged": snapshot_comparison.images_unchanged,
+                    "images_renamed": snapshot_comparison.images_renamed,
+                    "extras": snapshot_comparison.extras,
+                    "date_added": (
+                        snapshot_comparison.date_added.isoformat()
+                        if snapshot_comparison.date_added
+                        else None
+                    ),
+                    "date_updated": (
+                        snapshot_comparison.date_updated.isoformat()
+                        if snapshot_comparison.date_updated
+                        else None
+                    ),
+                }
+                if snapshot_comparison
+                else None
+            ),
+            "snapshot_approval": (
+                {
+                    "id": snapshot_approval.id,
+                    "approval_status": snapshot_approval.approval_status,
+                    "approved_at": (
+                        snapshot_approval.approved_at.isoformat()
+                        if snapshot_approval.approved_at
+                        else None
+                    ),
+                    "approved_by_id": snapshot_approval.approved_by_id,
+                    "extras": snapshot_approval.extras,
+                    "date_added": (
+                        snapshot_approval.date_added.isoformat()
+                        if snapshot_approval.date_added
+                        else None
+                    ),
+                }
+                if snapshot_approval
+                else None
+            ),
             # Extra data
             "extras": preprod_artifact.extras,
         }