Merge pull request #501 from alphagov/jess/fix_created_date_bug

Set Link created date

Author: hannako

app/services/legacy/dataset_import_service.rb

@@ -81,7 +81,7 @@ def create_resource_base_attributes(resource, dataset)
       uuid: resource["id"],
       format: resource["format"],
       name: datafile_name(resource),
-      created_at: resource["created"],
+      created_at: resource["created"] || dataset.created_at,
       updated_at: dataset.last_updated_at
     }
   end

spec/services/legacy/dataset_import_service_spec.rb

@@ -53,6 +53,17 @@
       expect(first_imported_datafile.end_date).to eql(Date.parse(first_resource["date"]).end_of_month)
     end
 
+    it "sets datafile created_at date to resource created date, if present" do
+      legacy_dataset['resources'].first['created'] = nil
+      dataset_with_resource_without_created_date = legacy_dataset
+      Legacy::DatasetImportService.new(dataset_with_resource_without_created_date, orgs_cache, themes_cache).run
+      imported_dataset = Dataset.find_by(uuid: legacy_dataset["id"])
+      imported_datafiles = imported_dataset.links
+      first_imported_datafile = imported_datafiles.first
+
+      expect(first_imported_datafile.created_at).to eql(imported_dataset.created_at)
+    end
+
     it "builds a dataset from a non timeseries legacy dataset" do
       Legacy::DatasetImportService.new(non_timeseries_legacy_dataset, orgs_cache, themes_cache).run
       expect(Dataset.last.frequency).to eq('never')