feat(dunning): Organization has many dunning campaigns

app/models/dunning_campaign.rb

@@ -4,6 +4,7 @@ class DunningCampaign < ApplicationRecord
   include PaperTrailTraceable
 
   belongs_to :organization
+  has_many :thresholds, class_name: "DunningCampaignThreshold", dependent: :destroy
 
   validates :name, presence: true
   validates :days_between_attempts, numericality: {greater_than: 0}

app/models/organization.rb

@@ -35,6 +35,7 @@ class Organization < ApplicationRecord
   has_many :cached_aggregations
   has_many :data_exports
   has_many :error_details
+  has_many :dunning_campaigns
 
   has_many :stripe_payment_providers, class_name: 'PaymentProviders::StripeProvider'
   has_many :gocardless_payment_providers, class_name: 'PaymentProviders::GocardlessProvider'

spec/models/dunning_campaign_spec.rb

@@ -8,11 +8,12 @@
   it_behaves_like "paper_trail traceable"
 
   it { is_expected.to belong_to(:organization) }
+  it { is_expected.to have_many(:thresholds).dependent(:destroy) }
 
   it { is_expected.to validate_presence_of(:name) }
 
-  it { is_expected.to validate_numericality_of(:days_between_attempts).is_greater_than(0)}
-  it { is_expected.to validate_numericality_of(:max_attempts).is_greater_than(0)}
+  it { is_expected.to validate_numericality_of(:days_between_attempts).is_greater_than(0) }
+  it { is_expected.to validate_numericality_of(:max_attempts).is_greater_than(0) }
 
   it { is_expected.to validate_uniqueness_of(:code).scoped_to(:organization_id) }
 end

spec/models/organization_spec.rb

@@ -22,6 +22,7 @@
   it { is_expected.to have_many(:netsuite_integrations) }
   it { is_expected.to have_many(:xero_integrations) }
   it { is_expected.to have_many(:data_exports) }
+  it { is_expected.to have_many(:dunning_campaigns) }
 
   it { is_expected.to validate_inclusion_of(:default_currency).in_array(described_class.currency_list) }