More changes for db migration

migrate/migrate-malwares.js

@@ -0,0 +1,46 @@
+import co from 'co';
+
+import models from '../models';
+import { mongo } from '../lib/mongo';
+
+import debugname from 'debug';
+const debug = debugname('hostr:db');
+let db;
+
+
+co(function *sync() {
+  debug('Syncing schema');
+  yield models.sequelize.sync();
+  debug('Schema synced');
+  db = yield mongo;
+
+  const files = db.Files.find({}, {
+    sort: [['time_added', 'desc']],
+    skip: 0,
+  });
+  debug('fetched files');
+
+  while (true) {
+    const file = yield files.next();
+    if (!file) {
+      break;
+    }
+
+    if (!file.time_added || !file.file_size || !file.malware) {
+      continue;
+    }
+
+    yield models.malware.upsert({
+      fileId: file._id,
+      positives: file.virustotal ? file.virustotal.positives : 100,
+      virustotal: file.virustotal || null,
+    }, { /* logging: false */ });
+  }
+
+  models.sequelize.close();
+  db.close();
+}).catch((err) => {
+  models.sequelize.close();
+  db.close();
+  debug(err);
+});