Add foreign keys

Author: peteryates

app/models/email_address.rb

@@ -8,5 +8,9 @@
 #  updated_at :datetime         not null
 #  teacher_id :integer
 #
+# Foreign Keys
+#
+#  fk_rails_...  (teacher_id => teachers.id)
+#
 class EmailAddress < ApplicationRecord
 end

app/models/induction_period.rb

@@ -11,5 +11,11 @@
 #  induction_programme_id :integer          not null
 #  mentorship_id          :integer          not null
 #
+# Foreign Keys
+#
+#  fk_rails_...  (appropriate_body_id => appropriate_bodies.id)
+#  fk_rails_...  (induction_programme_id => induction_programmes.id)
+#  fk_rails_...  (mentorship_id => mentorships.id)
+#
 class InductionPeriod < ApplicationRecord
 end

app/models/mentorship.rb

@@ -8,5 +8,10 @@
 #  teacher_id    :integer
 #  tenureship_id :integer
 #
+# Foreign Keys
+#
+#  fk_rails_...  (teacher_id => teachers.id)
+#  fk_rails_...  (tenureship_id => tenureships.id)
+#
 class Mentorship < ApplicationRecord
 end

app/models/school.rb

@@ -8,5 +8,9 @@
 #  updated_at :datetime         not null
 #  parent_id  :integer
 #
+# Foreign Keys
+#
+#  fk_rails_...  (parent_id => schools.id)
+#
 class School < ApplicationRecord
 end

app/models/tenureship.rb

@@ -10,5 +10,10 @@
 #  school_id   :integer
 #  teacher_id  :integer
 #
+# Foreign Keys
+#
+#  fk_rails_...  (school_id => schools.id)
+#  fk_rails_...  (teacher_id => teachers.id)
+#
 class Tenureship < ApplicationRecord
 end

db/migrate/20230811093018_add_relationships.rb

@@ -0,0 +1,17 @@
+class AddRelationships < ActiveRecord::Migration[7.0]
+  def change
+    add_foreign_key :email_addresses, :teachers
+
+    add_foreign_key :mentorships, :teachers
+    add_foreign_key :mentorships, :tenureships
+
+    add_foreign_key :schools, :schools, column: :parent_id, primary_key: :id
+
+    add_foreign_key :tenureships, :teachers
+    add_foreign_key :tenureships, :schools
+
+    add_foreign_key :induction_periods, :mentorships
+    add_foreign_key :induction_periods, :appropriate_bodies
+    add_foreign_key :induction_periods, :induction_programmes
+  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[7.0].define(version: 2023_08_11_092928) do
+ActiveRecord::Schema[7.0].define(version: 2023_08_11_093018) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -72,4 +72,13 @@
     t.datetime "updated_at", null: false
   end
 
+  add_foreign_key "email_addresses", "teachers"
+  add_foreign_key "induction_periods", "appropriate_bodies"
+  add_foreign_key "induction_periods", "induction_programmes"
+  add_foreign_key "induction_periods", "mentorships"
+  add_foreign_key "mentorships", "teachers"
+  add_foreign_key "mentorships", "tenureships"
+  add_foreign_key "schools", "schools", column: "parent_id"
+  add_foreign_key "tenureships", "schools"
+  add_foreign_key "tenureships", "teachers"
 end

spec/models/email_address_spec.rb

@@ -8,6 +8,10 @@
 #  updated_at :datetime         not null
 #  teacher_id :integer
 #
+# Foreign Keys
+#
+#  fk_rails_...  (teacher_id => teachers.id)
+#
 require 'rails_helper'
 
 RSpec.describe EmailAddress, type: :model do

spec/models/induction_period_spec.rb

@@ -11,6 +11,12 @@
 #  induction_programme_id :integer          not null
 #  mentorship_id          :integer          not null
 #
+# Foreign Keys
+#
+#  fk_rails_...  (appropriate_body_id => appropriate_bodies.id)
+#  fk_rails_...  (induction_programme_id => induction_programmes.id)
+#  fk_rails_...  (mentorship_id => mentorships.id)
+#
 require 'rails_helper'
 
 RSpec.describe InductionPeriod, type: :model do

spec/models/mentorship_spec.rb

@@ -8,6 +8,11 @@
 #  teacher_id    :integer
 #  tenureship_id :integer
 #
+# Foreign Keys
+#
+#  fk_rails_...  (teacher_id => teachers.id)
+#  fk_rails_...  (tenureship_id => tenureships.id)
+#
 require 'rails_helper'
 
 RSpec.describe Mentorship, type: :model do