Merge pull request #1073 from weseek/fix/1067-fill-in-lastupdateuser

Fix/1067 fill in lastupdateuser

src/migrations/20190624110950-fill-last-update-user.js

@@ -0,0 +1,49 @@
+require('module-alias/register');
+const logger = require('@alias/logger')('growi:migrate:abolish-page-group-relation');
+
+const mongoose = require('mongoose');
+const config = require('@root/config/migrate');
+
+/**
+ * FIX https://github.com/weseek/growi/issues/1067
+ */
+module.exports = {
+
+  async up(db) {
+    logger.info('Apply migration');
+    mongoose.connect(config.mongoUri, config.mongodb.options);
+
+    const Page = require('@server/models/page')();
+
+    // see https://stackoverflow.com/questions/3974985/update-mongodb-field-using-value-of-another-field/37280419#37280419
+
+    // retrieve target data
+    const pages = await Page.find({
+      $or: [
+        { lastUpdateUser: { $exists: false } },
+        { lastUpdateUser: { $eq: null } },
+      ],
+    }).select('_id creator');
+
+    // create requests for bulkWrite
+    const requests = pages.map((page) => {
+      return {
+        updateOne: {
+          filter: { _id: page._id },
+          update: { $set: { lastUpdateUser: page.creator } },
+        },
+      };
+    });
+
+    if (requests.length > 0) {
+      await db.collection('pages').bulkWrite(requests);
+    }
+
+    logger.info('Migration has successfully applied');
+  },
+
+  down(db) {
+    // do not rollback
+  },
+
+};