Add method Person#related_to_party? and other

app/models/membership_app.rb

@@ -27,6 +27,6 @@ class MembershipApp < ApplicationRecord
   end
 
   def resolved?
-    person.present?
+    person&.related_to_party?
   end
 end

app/models/person.rb

@@ -10,4 +10,20 @@ class Person < ApplicationRecord
           inverse_of: :person,
           through:    :account,
           source:     :own_membership_app
+
+  def related_to_party?
+    party_supporter? || party_member? || excluded_from_party?
+  end
+
+  def party_supporter?
+    false
+  end
+
+  def party_member?
+    true
+  end
+
+  def excluded_from_party?
+    false
+  end
 end

spec/models/person_spec.rb

@@ -19,4 +19,9 @@ RSpec.describe Person do
   end
 
   it { is_expected.not_to validate_presence_of :regional_office }
+
+  pending '#related_to_party?'
+  pending '#party_supporter?'
+  pending '#party_member?'
+  pending '#excluded_from_party?'
 end