#13336 - display multiple messages in both the UI and git output

app/helpers/broadcast_messages_helper.rb

 module BroadcastMessagesHelper
-  def broadcast_message(message = BroadcastMessage.current)
+  def broadcast_message(message)
     return unless message.present?
     content_tag :div, class: 'broadcast-message', style: broadcast_message_style(message) do

app/models/broadcast_message.rb

@@ -16,7 +16,7 @@ class BroadcastMessage < ActiveRecord::Base
   def self.current
     Rails.cache.fetch("broadcast_message_current", expires_in: 1.minute) do
-      where("ends_at > :now AND starts_at <= :now", now: Time.zone.now).last
+      where('ends_at > :now AND starts_at <= :now', now: Time.zone.now).order([:created_at, :id]).to_a
     end
   end

app/views/layouts/_broadcast.html.haml

-= broadcast_message
+- BroadcastMessage.current.each do |message|
+  = broadcast_message(message)

changelogs/unreleased/13336-multiple-broadcast-messages.yml

+---
+title: Display all current broadcast messages, not just the last one
+merge_request: 11113
+author: rickettm

lib/api/internal.rb

@@ -86,8 +86,16 @@ module API
         }
       end
+      get "/broadcast_messages" do
+        if messages = BroadcastMessage.current
+          present messages, with: Entities::BroadcastMessage
+        else
+          []
+        end
+      end
+
       get "/broadcast_message" do
-        if message = BroadcastMessage.current
+        if message = BroadcastMessage.current.last
           present message, with: Entities::BroadcastMessage
         else
           {}

spec/models/broadcast_message_spec.rb

@@ -21,22 +21,29 @@ describe BroadcastMessage, models: true do
   end
   describe '.current' do
-    it "returns last message if time match" do
+    it 'returns message if time match' do
       message = create(:broadcast_message)
-      expect(BroadcastMessage.current).to eq message
+      expect(BroadcastMessage.current).to include(message)
     end
-    it "returns nil if time not come" do
+    it 'returns multiple messages if time match' do
+      message1 = create(:broadcast_message)
+      message2 = create(:broadcast_message)
+
+      expect(BroadcastMessage.current).to contain_exactly(message1, message2)
+    end
+
+    it 'returns empty list if time not come' do
       create(:broadcast_message, :future)
-      expect(BroadcastMessage.current).to be_nil
+      expect(BroadcastMessage.current).to be_empty
     end
-    it "returns nil if time has passed" do
+    it 'returns empty list if time has passed' do
       create(:broadcast_message, :expired)
-      expect(BroadcastMessage.current).to be_nil
+      expect(BroadcastMessage.current).to be_empty
     end
   end

spec/requests/api/internal_spec.rb

@@ -15,21 +15,43 @@ describe API::Internal do
     end
   end
-  describe "GET /internal/broadcast_message" do
-    context "broadcast message exists" do
-      let!(:broadcast_message) { create(:broadcast_message, starts_at: Time.now.yesterday, ends_at: Time.now.tomorrow ) }
-      it do
-        get api("/internal/broadcast_message"), secret_token: secret_token
+  describe 'GET /internal/broadcast_message' do
+    context 'broadcast message exists' do
+      let!(:broadcast_message) { create(:broadcast_message, starts_at: 1.day.ago, ends_at: 1.day.from_now ) }
+      it 'returns one broadcast message'  do
+        get api('/internal/broadcast_message'), secret_token: secret_token
         expect(response).to have_http_status(200)
-        expect(json_response["message"]).to eq(broadcast_message.message)
+        expect(json_response['message']).to eq(broadcast_message.message)
       end
     end
-    context "broadcast message doesn't exist" do
-      it do
-        get api("/internal/broadcast_message"), secret_token: secret_token
+    context 'broadcast message does not exist' do
+      it 'returns nothing'  do
+        get api('/internal/broadcast_message'), secret_token: secret_token
+
+        expect(response).to have_http_status(200)
+        expect(json_response).to be_empty
+      end
+    end
+  end
+
+  describe 'GET /internal/broadcast_messages' do
+    context 'broadcast message(s) exist' do
+      let!(:broadcast_message) { create(:broadcast_message, starts_at: 1.day.ago, ends_at: 1.day.from_now ) }
+
+      it 'returns active broadcast message(s)' do
+        get api('/internal/broadcast_messages'), secret_token: secret_token
+
+        expect(response).to have_http_status(200)
+        expect(json_response[0]['message']).to eq(broadcast_message.message)
+      end
+    end
+
+    context 'broadcast message does not exist' do
+      it 'returns nothing' do
+        get api('/internal/broadcast_messages'), secret_token: secret_token
         expect(response).to have_http_status(200)
         expect(json_response).to be_empty