Defer the tags_list for media models (#1029)

* Defer the `tags_list` for media models * Update api/catalog/api/models/media.py Co-authored-by: Madison Swain-Bowden <[email protected]> * Rename manager to TagsListDeferralManager --------- Co-authored-by: Madison Swain-Bowden <[email protected]>
WordPress · Mar 28, 2023 · b33c91d · b33c91d
1 parent 2ca2f15
commit b33c91d
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/api/catalog/api/models/media.py b/api/catalog/api/models/media.py
@@ -26,6 +26,24 @@
 OTHER = "other"
 
 
+class TagsListDeferralManager(models.Manager):
+    """
+    Custom manager used temporarily to enable zero-downtime removal of the deprecated
+    `tags_list` field from the media modals.
+
+    @see https://github.com/WordPress/openverse/pull/956.
+    """
+
+    def get_queryset(self):
+        return (
+            super()
+            .get_queryset()
+            .defer(
+                "tags_list",
+            )
+        )
+
+
 class AbstractMedia(
     IdentifierMixin, ForeignIdentifierMixin, MediaMixin, OpenLedgerModel
 ):
@@ -88,6 +106,8 @@ class AbstractMedia(
 
     meta_data = models.JSONField(blank=True, null=True)
 
+    objects = TagsListDeferralManager()
+
     @property
     def license_url(self) -> str:
         """A direct link to the license deed or legal terms."""