From 696cd3b0e35673966c9aee5089c9a821b9e00d04 Mon Sep 17 00:00:00 2001
From: otofune <otofune@gmail.com>
Date: Tue, 7 Nov 2017 09:58:02 +0900
Subject: [PATCH] migration - add migration to support changed filename usage

---
 ...change-gridfs-metadata-name-to-filename.js | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 tools/migration/change-gridfs-metadata-name-to-filename.js

diff --git a/tools/migration/change-gridfs-metadata-name-to-filename.js b/tools/migration/change-gridfs-metadata-name-to-filename.js
new file mode 100644
index 0000000000..0d9e977c6e
--- /dev/null
+++ b/tools/migration/change-gridfs-metadata-name-to-filename.js
@@ -0,0 +1,30 @@
+// for Node.js interpret
+/**
+ * change usage of GridFS filename
+ * see commit fb422b4d603c53a70712caba55b35a48a8c2e619
+ */
+
+const { default: DriveFile } = require('../../built/api/models/drive-file')
+
+async function applyNewChange (doc) {
+	const result = await DriveFile.update(doc._id, {
+		$set: {
+			filename: doc.metadata.name
+		},
+		$unset: {
+			'metadata.name': ''
+		}
+	})
+	return result.ok === 1
+}
+
+async function main () {
+	const oldTypeDocs = await DriveFile.find({
+		'metadata.name': {
+			$exists: true
+		}
+	})
+	return await Promise.all(oldTypeDocs.map(applyNewChange))
+}
+
+main().then(console.dir).catch(console.error)