Add attribute Relationship#active_since

app/models/relationship.rb

@@ -19,4 +19,6 @@ class Relationship < ApplicationRecord
               only_integer: true,
               greater_than_or_equal_to: 0,
             }
+
+  validates :active_since, presence: true
 end

db/migrate/20190605012813_add_active_since_to_relationships.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class AddActiveSinceToRelationships < ActiveRecord::Migration[6.0]
+  def change
+    # rubocop:disable Rails/NotNullColumn
+    add_column :relationships, :active_since, :date, null: false
+    # rubocop:enable Rails/NotNullColumn
+    add_index  :relationships, :active_since
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2019_06_05_011616) do
+ActiveRecord::Schema.define(version: 2019_06_05_012813) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -133,6 +133,8 @@ ActiveRecord::Schema.define(version: 2019_06_05_011616) do
     t.bigint "person_id", null: false
     t.bigint "regional_office_id", null: false
     t.integer "number", null: false
+    t.date "active_since", null: false
+    t.index ["active_since"], name: "index_relationships_on_active_since"
     t.index ["person_id", "number"], name: "index_relationships_on_person_id_and_number", unique: true
     t.index ["regional_office_id"], name: "index_relationships_on_regional_office_id"
   end

factories/relationships.rb

@@ -6,6 +6,10 @@ FactoryBot.define do
     association :regional_office
 
     sequence :number
+
+    sequence :active_since do |n|
+      Date.new rand((10 * n)...(11 * n)), rand(1..12), rand(1..28)
+    end
   end
 
   factory :member_relationship, parent: :supporter_relationship

spec/models/relationship_spec.rb

@@ -20,4 +20,8 @@ RSpec.describe Relationship do
         .is_greater_than_or_equal_to(0)
     end
   end
+
+  describe '#active_since' do
+    it { is_expected.to validate_presence_of :active_since }
+  end
 end