Update old migrations

apps/charterafrica/src/migrations/20240111_075951_update_blocks_rename_collection_to_items.ts

@@ -0,0 +1,36 @@
+import { MigrateUpArgs, MigrateDownArgs } from "@payloadcms/db-mongodb";
+
+export async function up({ payload }: MigrateUpArgs): Promise<void> {
+  const { db } = payload;
+  const collection = db.collections["pages"];
+  const result = await collection.updateMany(
+    { "blocks.collection": { $exists: true } },
+    {
+      $set: {
+        "blocks.$.items": "$blocks.$.collection",
+      },
+      $unset: {
+        "blocks.$.collection": "",
+      },
+    },
+  );
+
+  console.log(`${result.modifiedCount} documents updated.`);
+}
+
+export async function down({ payload }: MigrateDownArgs): Promise<void> {
+  const { db } = payload;
+  const collection = db.collections["pages"];
+  const result = await collection.updateMany(
+    { "blocks.items": { $exists: true } },
+    {
+      $set: {
+        "blocks.$.collection": "$blocks.$.items",
+      },
+      $unset: {
+        "blocks.$.items": "",
+      },
+    },
+  );
+  console.log(`${result.modifiedCount} documents updated.`);
+}