Fix migrator (#831)

package.json

@@ -50,7 +50,7 @@
     "lint": "eslint src",
     "pretest": "npm run lint",
     "postinstall": "./postinstall.sh",
-    "server-dev": "babel -D --watch --source-maps --loose es6.destructuring,es6.forOf --out-dir lib/ src/",
+    "server-dev": "babel -D --watch --source-maps --loose es6.destructuring,es6.forOf --verbose --out-dir lib/ src/",
     "generate-userscript": "$npm_node_execpath gdrive-userscript/generate-userscript $@ > www/js/cytube-google-drive.user.js",
     "test": "mocha --recursive --exit test",
     "integration-test": "mocha --recursive --exit integration_test"

src/channel-storage/migrator.js

@@ -6,6 +6,8 @@ import { DatabaseStore } from './dbstore';
 import { sanitizeHTML } from '../xss';
 import { ChannelNotFoundError } from '../errors';
 
+const lookupAsync = Promise.promisify(require('../database/channels').lookup);
+
 /* eslint no-console: off */
 
 const EXPECTED_KEYS = [
@@ -118,7 +120,11 @@ function migrate(src, dest, opts) {
                 }
             }
 
-            return src.load(-1, name).then(data => {
+            let id;
+            return lookupAsync(name).then(chan => {
+                id = chan.id;
+                return src.load(id, name);
+            }).then(data => {
                 data = fixOldChandump(data);
                 Object.keys(data).forEach(key => {
                     if (opts.keyWhitelist.length > 0 &&
@@ -129,7 +135,7 @@ function migrate(src, dest, opts) {
                         delete data[key];
                     }
                 });
-                return dest.save(name, data);
+                return dest.save(id, name, data);
             }).then(() => {
                 console.log(`Migrated /${chanPath}/${name}`);
             }).catch(ChannelNotFoundError, _err => {