Update BroadcastMessage model

- Adds default values for `color` and `font` attributes
- Adds `active?`, `started?`, `ended?`, and 'status' methods

app/models/broadcast_message.rb

@@ -22,7 +22,32 @@ class BroadcastMessage < ActiveRecord::Base
   validates :color, allow_blank: true, color: true
   validates :font,  allow_blank: true, color: true
+  default_value_for :color, '#E75E40'
+  default_value_for :font,  '#FFFFFF'
+
   def self.current
-    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).last
+  end
+
+  def active?
+    started? && !ended?
+  end
+
+  def started?
+    Time.zone.now >= starts_at
+  end
+
+  def ended?
+    ends_at < Time.zone.now
+  end
+
+  def status
+    if active?
+      'Active'
+    elsif ended?
+      'Expired'
+    else
+      'Pending'
+    end
   end
 end

spec/factories/broadcast_messages.rb

@@ -24,5 +24,10 @@ FactoryGirl.define do
       starts_at 5.days.ago
       ends_at 3.days.ago
     end
+
+    trait :future do
+      starts_at 5.days.from_now
+      ends_at 6.days.from_now
+    end
   end
 end

spec/models/broadcast_message_spec.rb

@@ -15,6 +15,8 @@
 require 'spec_helper'
 describe BroadcastMessage, models: true do
+  include ActiveSupport::Testing::TimeHelpers
+
   subject { create(:broadcast_message) }
   it { is_expected.to be_valid }
@@ -34,20 +36,99 @@ describe BroadcastMessage, models: true do
     it { is_expected.not_to allow_value('000').for(:font) }
   end
-  describe :current do
+  describe '.current' do
     it "should return last message if time match" do
-      broadcast_message = create(:broadcast_message, starts_at: Time.now.yesterday, ends_at: Time.now.tomorrow)
-      expect(BroadcastMessage.current).to eq(broadcast_message)
+      message = create(:broadcast_message)
+
+      expect(BroadcastMessage.current).to eq message
     end
     it "should return nil if time not come" do
-      create(:broadcast_message, starts_at: Time.now.tomorrow, ends_at: Time.now + 2.days)
+      create(:broadcast_message, :future)
+
       expect(BroadcastMessage.current).to be_nil
     end
     it "should return nil if time has passed" do
-      create(:broadcast_message, starts_at: Time.now - 2.days, ends_at: Time.now.yesterday)
+      create(:broadcast_message, :expired)
+
       expect(BroadcastMessage.current).to be_nil
     end
   end
+
+  describe '#active?' do
+    it 'is truthy when started and not ended' do
+      message = build(:broadcast_message)
+
+      expect(message).to be_active
+    end
+
+    it 'is falsey when ended' do
+      message = build(:broadcast_message, :expired)
+
+      expect(message).not_to be_active
+    end
+
+    it 'is falsey when not started' do
+      message = build(:broadcast_message, :future)
+
+      expect(message).not_to be_active
+    end
+  end
+
+  describe '#started?' do
+    it 'is truthy when starts_at has passed' do
+      message = build(:broadcast_message)
+
+      travel_to(3.days.from_now) do
+        expect(message).to be_started
+      end
+    end
+
+    it 'is falsey when starts_at is in the future' do
+      message = build(:broadcast_message)
+
+      travel_to(3.days.ago) do
+        expect(message).not_to be_started
+      end
+    end
+  end
+
+  describe '#ended?' do
+    it 'is truthy when ends_at has passed' do
+      message = build(:broadcast_message)
+
+      travel_to(3.days.from_now) do
+        expect(message).to be_ended
+      end
+    end
+
+    it 'is falsey when ends_at is in the future' do
+      message = build(:broadcast_message)
+
+      travel_to(3.days.ago) do
+        expect(message).not_to be_ended
+      end
+    end
+  end
+
+  describe '#status' do
+    it 'returns Active' do
+      message = build(:broadcast_message)
+
+      expect(message.status).to eq 'Active'
+    end
+
+    it 'returns Expired' do
+      message = build(:broadcast_message, :expired)
+
+      expect(message.status).to eq 'Expired'
+    end
+
+    it 'returns Pending' do
+      message = build(:broadcast_message, :future)
+
+      expect(message.status).to eq 'Pending'
+    end
+  end
 end