When restoring archived files, migration happens automatically

app/imports/api/creature/archive/methods/archiveCreatureToFile.js

@@ -18,8 +18,8 @@ export function getArchiveObj(creatureId){
   const logs = CreatureLogs.find({creatureId}).fetch();
   let archiveCreature = {
     meta: {
-      archiveDate: new Date(),
       schemaVersion: SCHEMA_VERSION,
+      archiveDate: new Date(),
     },
     creature,
     properties,

app/imports/api/creature/archive/methods/restoreCreatureFromFile.js

@@ -9,15 +9,16 @@ import Experiences from '/imports/api/creature/experience/Experiences.js';
 import { removeCreatureWork } from '/imports/api/creature/creatures/methods/removeCreature.js';
 import ArchiveCreatureFiles from '/imports/api/creature/archive/ArchiveCreatureFiles.js';
 import readFile from '/imports/api/creature/archive/methods/readFile.js';
+import migrateArchive from '/imports/migrations/server/migrateArchive.js';
 
 function restoreCreature(file, archive){
-  if (SCHEMA_VERSION < file.meta.schemaVersion){
+  if (SCHEMA_VERSION < archive.meta.schemaVersion){
     throw new Meteor.Error('Incompatible',
       'The archive file is from a newer version. Update required to read.')
   }
 
   // Migrate and verify the archive meets the current schema
-  // migrateArchive(archive, file.meta.schemaVersion);
+  migrateArchive(archive);
 
   // Insert the creature sub documents
   // They still have their original _id's

app/imports/migrations/server/2.0-beta.33-dbv1.js

@@ -61,7 +61,7 @@ function migrateCollection({collection, reversed}){
   bulk.execute();
 }
 
-export default function migrateProperty({collection, reversed, prop}){
+export function migrateProperty({collection, reversed, prop}){
   const transforms = [
     ...(transformsByPropType[prop.type] || []),
     {from: 'dependencies'}

app/imports/migrations/server/migrateArchive.js

@@ -0,0 +1,28 @@
+import CreatureProperties from '/imports/api/creature/creatureProperties/CreatureProperties.js';
+
+/* eslint no-fallthrough: "off" -- Using switch fallthrough to run all
+migration steps after the current version of the file. */
+export default function migrateArchive(archive){
+  switch (archive.meta.schemaVersion){
+    // V1 of DiceCloud
+    case 'version1':
+      migrateLegacyArchive(archive);
+    // V2 of DiceCloud, Schema version 1
+    case 1:
+      cleanAt1(archive);
+  }
+}
+
+function migrateLegacyArchive(archive){
+  // TODO:
+  throw 'Not implemented';
+}
+
+function cleanAt1(archive){
+  archive.properties.map(prop => {
+    const schema = CreatureProperties.simpleSchema(prop);
+    const cleanProp = schema.clean(prop);
+    schema.validate(cleanProp);
+    return cleanProp;
+  });
+}