Backport 'Use UTC in the serializers for the date fields' to v0.27

decidim-elections/lib/decidim/votings/voting_serializer.rb

@@ -21,8 +21,8 @@ def serialize
           url: url,
           title: voting.title,
           description: voting.description,
-          start_time: voting.start_time.to_s(:db),
-          end_time: voting.end_time.to_s(:db),
+          start_time: voting.start_time,
+          end_time: voting.end_time,
           voting_type: translated_voting_type,
           scope: {
             id: voting.scope.try(:id),

decidim-forms/lib/decidim/forms/user_answers_serializer.rb

@@ -32,7 +32,7 @@ def serialize
       def hash_for(answer)
         {
           answer_translated_attribute_name(:id) => answer&.session_token,
-          answer_translated_attribute_name(:created_at) => answer&.created_at&.to_s(:db),
+          answer_translated_attribute_name(:created_at) => answer&.created_at,
           answer_translated_attribute_name(:ip_hash) => answer&.ip_hash,
           answer_translated_attribute_name(:user_status) => answer_translated_attribute_name(answer&.decidim_user_id.present? ? "registered" : "unregistered")
         }

decidim-forms/spec/serializers/decidim/forms/user_answers_serializer_spec.rb

@@ -114,7 +114,7 @@ module Forms
 
           it "the creation of the answer" do
             key = I18n.t(:created_at, scope: "decidim.forms.user_answers_serializer")
-            expect(serialized[key]).to eq an_answer.created_at.to_s(:db)
+            expect(serialized[key]).to be_within(1.second).of an_answer.created_at
           end
 
           it "the IP hash of the user" do
@@ -147,6 +147,36 @@ module Forms
           end
         end
 
+        context "when time zone is UTC" do
+          let(:time_zone) { "UTC" }
+          let(:created_at) { Time.new(2000, 1, 2, 3, 4, 5, 0) }
+
+          before do
+            questionable.organization.update!(time_zone: time_zone)
+            answers.first.update!(created_at: created_at)
+          end
+
+          it "Time uses UTC time zone in exported data" do
+            key = I18n.t(:created_at, scope: "decidim.forms.user_answers_serializer")
+            expect(serialized[key].to_s).to include "UTC"
+          end
+        end
+
+        context "when time zone is non-UTC" do
+          let(:time_zone) { "Hawaii" }
+          let(:created_at) { Time.new(2000, 1, 2, 3, 4, 5, 0) }
+
+          before do
+            questionable.organization.update!(time_zone: time_zone)
+            answers.first.update!(created_at: created_at)
+          end
+
+          it "Time uses UTC time zone in exported data" do
+            key = I18n.t(:created_at, scope: "decidim.forms.user_answers_serializer")
+            expect(serialized[key].to_s).to include "UTC"
+          end
+        end
+
         context "when the questionnaire body is very long" do
           let!(:questionnaire) { create(:questionnaire, questionnaire_for: questionable, description: questionnaire_description) }
           let(:questionnaire_description) do

decidim-meetings/lib/decidim/meetings/meeting_serializer.rb

@@ -32,8 +32,8 @@ def serialize
           component: { id: component.id },
           title: meeting.title,
           description: meeting.description,
-          start_time: meeting.start_time.to_s(:db),
-          end_time: meeting.end_time.to_s(:db),
+          start_time: meeting.start_time,
+          end_time: meeting.end_time,
           attendees: meeting.attendees_count.to_i,
           contributions: meeting.contributions_count.to_i,
           organizations: meeting.attending_organizations,

decidim-meetings/lib/decidim/meetings/user_answers_serializer.rb

@@ -17,7 +17,7 @@ def serialize
         @answers.each_with_index.inject({}) do |serialized, (answer, idx)|
           serialized.update(
             answer_translated_attribute_name(:id) => [answer.id, answer.user.id].join("_"),
-            answer_translated_attribute_name(:created_at) => answer.created_at.to_s(:db),
+            answer_translated_attribute_name(:created_at) => answer.created_at,
             answer_translated_attribute_name(:user_status) => answer_translated_attribute_name(answer.decidim_user_id.present? ? "registered" : "unregistered"),
             "#{idx + 1}. #{translated_attribute(answer.question.body)}" => normalize_body(answer)
           )

decidim-meetings/spec/lib/decidim/meetings/meeting_serializer_spec.rb

@@ -57,11 +57,11 @@ module Meetings
         end
 
         it "serializes the start time" do
-          expect(serialized).to include(start_time: meeting.start_time.to_s(:db))
+          expect(serialized).to include(start_time: meeting.start_time)
         end
 
         it "serializes the end time" do
-          expect(serialized).to include(end_time: meeting.end_time.to_s(:db))
+          expect(serialized).to include(end_time: meeting.end_time)
         end
 
         it "serializes the amount of attendees" do