Moved published_at creation to fixtures/utils (#8595)

no issue

- follow-up from #8573
- bove the hack that creates published_at values from the migration fn to our fixture util

core/server/data/migrations/init/2-create-fixtures.js

@@ -1,8 +1,7 @@
 var Promise = require('bluebird'),
     _ = require('lodash'),
     fixtures = require('../../schema/fixtures'),
-    logging = require('../../../logging'),
+    logging = require('../../../logging');
-    moment = require('moment');
 
 module.exports = function insertFixtures(options) {
     var localOptions = _.merge({
@@ -12,14 +11,6 @@ module.exports = function insertFixtures(options) {
     return Promise.mapSeries(fixtures.models, function (model) {
         logging.info('Model: ' + model.name);
 
-        // The Post model fixtures need a `published_at` date, where at least the seconds
-        // are different, otherwise `prev_post` and `next_post` helpers won't workd with
-        // them.
-        if (model.name === 'Post') {
-            _.forEach(model.entries, function (post, index) {
-                post.published_at = moment().add(index, 'seconds');
-            });
-        }
         return fixtures.utils.addFixturesForModel(model, localOptions);
     }).then(function () {
         return Promise.mapSeries(fixtures.relations, function (relation) {

core/server/data/schema/fixtures/utils.js

@@ -1,12 +1,13 @@
 // # Fixture Utils
 // Standalone file which can be required to help with advanced operations on the fixtures.json file
-var _            = require('lodash'),
+var _ = require('lodash'),
-    Promise      = require('bluebird'),
+    Promise = require('bluebird'),
-    models       = require('../../../models'),
+    models = require('../../../models'),
-    baseUtils    = require('../../../models/base/utils'),
+    baseUtils = require('../../../models/base/utils'),
-    sequence     = require('../../../utils/sequence'),
+    sequence = require('../../../utils/sequence'),
+    moment = require('moment'),
 
-    fixtures     = require('./fixtures'),
+    fixtures = require('./fixtures'),
 
     // Private
     matchFunc,
@@ -95,6 +96,21 @@ fetchRelationData = function fetchRelationData(relation, options) {
  * @returns {Promise.<*>}
  */
 addFixturesForModel = function addFixturesForModel(modelFixture, options) {
+    // Clone the fixtures as they get changed in this function.
+    // The initial blog posts will be added a `published_at` property, which
+    // would change the fixturesHash.
+    modelFixture = _.cloneDeep(modelFixture);
+    // The Post model fixtures need a `published_at` date, where at least the seconds
+    // are different, otherwise `prev_post` and `next_post` helpers won't workd with
+    // them.
+    if (modelFixture.name === 'Post') {
+        _.forEach(modelFixture.entries, function (post, index) {
+            if (!post.published_at) {
+                post.published_at = moment().add(index, 'seconds');
+            }
+        });
+    }
+
     return Promise.mapSeries(modelFixture.entries, function (entry) {
         // CASE: if id is specified, only query by id
         return models[modelFixture.name].findOne(entry.id ? {id: entry.id} : entry, options).then(function (found) {