add semester process to volunteer join model with all relations and such

app/models/semester_process.rb

 class SemesterProcess < ApplicationRecord
   belongs_to :creator, -> { with_deleted }, class_name: 'User', inverse_of: 'semester_processes'
+  belongs_to :mail_posted_by, -> { with_deleted }, class_name: 'User',
+    inverse_of: 'semester_process_mails_posted', optional: true
+  belongs_to :semester_process_reminder_mail_posted, -> { with_deleted }, class_name: 'User',
+    inverse_of: 'semester_process_mails_posted', optional: true
+
+  has_many :semester_process_volunteers, dependent: :destroy
+  has_many :volunteers, through: :semester_process_volunteers
 end

app/models/semester_process_volunteer.rb

+class SemesterProcessVolunteer < ApplicationRecord
+  belongs_to :volunteer
+  belongs_to :semester_process
+  belongs_to :responsible, -> { with_deleted }, class_name: 'User',
+    inverse_of: 'semester_processes', optional: true
+  belongs_to :reviewed_by, -> { with_deleted }, class_name: 'User',
+    inverse_of: 'semester_processes', optional: true
+  belongs_to :commited_by, -> { with_deleted }, class_name: 'User',
+    inverse_of: 'semester_processes', optional: true
+
+  has_many :semester_feedbacks, dependent: :destroy
+end

app/models/user.rb

@@ -79,7 +79,24 @@ class User < ApplicationRecord
   has_many :mailing_processes_submitted, through: :mailing_volunteer_processes_submitted,
     source: :process_submitted_by
 
-  has_many :semester_processes, inverse_of: 'creator', foreign_key: 'creator_id'
+  # Semester Process relations
+  #
+  has_many :semester_processes, inverse_of: 'creator', foreign_key: 'creator_id', dependent: :destroy
+  has_many :semester_process_mails_posted, inverse_of: 'mail_posted_by',
+    foreign_key: 'mail_posted_by_id', dependent: :nullify
+  has_many :semester_process_reminder_mail_posted, inverse_of: 'reminder_mail_posted_by',
+    foreign_key: 'reminder_mail_posted_by_id', dependent: :nullify
+
+  has_many :semester_process_mails, dependent: :nullify
+  has_many :semester_process_reminders, -> { reminder }, through: :semester_process_mails
+
+  has_many :semester_process_responsibilities, inverse_of: 'responsible',
+    class_name: 'SemesterProcessVolunteer', foreign_key: 'responsible_id', dependent: :nullify
+  has_many :semester_process_reviews, inverse_of: 'reviewed_by',
+  class_name: 'SemesterProcessVolunteer', foreign_key: 'reviewed_by_id', dependent: :nullify
+  has_many :semester_process_commits, inverse_of: 'commited_by',
+    class_name: 'SemesterProcessVolunteer', foreign_key: 'commited_by_id', dependent: :nullify
+
 
   has_and_belongs_to_many :department
 

app/models/volunteer.rb

@@ -69,6 +69,11 @@ class Volunteer < ApplicationRecord
   has_many :event_volunteers, dependent: :delete_all
   has_many :events, through: :event_volunteers
 
+  # Semester Process relations
+  #
+
+  has_many :semester_process_volunteers, dependent: :destroy
+  has_many :semester_processes, through: :semester_process_volunteers
   has_attached_file :avatar, styles: { thumb: '100x100#' }
 
   # Validations

db/migrate/20181004134107_create_semester_process_volunteers.rb

+class CreateSemesterProcessVolunteers < ActiveRecord::Migration[5.1]
+  def change
+    create_table :semester_process_volunteers do |t|
+      t.references :volunteer, foreign_key: true
+      t.references :semester_process, foreign_key: true
+      # volunteers "Bestätigen"
+      t.datetime :commit_visited_at
+      t.datetime :commited_at
+      t.references :commited_by, references: :users, index: true
+      # superadmins "Uebernehmen"
+      t.references :responsible, references: :users, index: true
+      t.datetime :responsibility_taken_at
+      # superadmins "Quittieren"
+      t.references :reviewed_by, references: :users, index: true
+      t.datetime :reviewed_at
+      # Superadmin takes notes
+      t.jsonb :notes
+
+      t.datetime :deleted_at, index: true
+      t.timestamps
+    end
+  end
+end

db/migrate/20181004134604_add_semester_column_to_semester_process.rb

+class AddSemesterColumnToSemesterProcess < ActiveRecord::Migration[5.1]
+  def change
+    change_table :semester_processes do |t|
+      t.remove :period_start
+      t.remove :period_end
+      t.daterange :semester
+      t.string :mail_subject_template
+      t.text :mail_body_template
+      t.datetime :mail_posted_at
+      t.references :mail_posted_by, references: :users, index: true
+      t.string :reminder_mail_subject_template
+      t.text :reminder_mail_body_template
+      t.datetime :reminder_mail_posted_at
+      t.references :reminder_mail_posted_by, references: :users, index: true
+    end
+  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: 20181004121332) do
+ActiveRecord::Schema.define(version: 20181004134604) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -624,15 +624,46 @@ ActiveRecord::Schema.define(version: 20181004121332) do
     t.index ["deleted_at"], name: "index_reminder_mailings_on_deleted_at"
   end
 
+  create_table "semester_process_volunteers", force: :cascade do |t|
+    t.bigint "volunteer_id"
+    t.bigint "semester_process_id"
+    t.datetime "commit_visited_at"
+    t.datetime "commited_at"
+    t.bigint "commited_by_id"
+    t.bigint "responsible_id"
+    t.datetime "responsibility_taken_at"
+    t.bigint "reviewed_by_id"
+    t.datetime "reviewed_at"
+    t.jsonb "notes"
+    t.datetime "deleted_at"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["commited_by_id"], name: "index_semester_process_volunteers_on_commited_by_id"
+    t.index ["deleted_at"], name: "index_semester_process_volunteers_on_deleted_at"
+    t.index ["responsible_id"], name: "index_semester_process_volunteers_on_responsible_id"
+    t.index ["reviewed_by_id"], name: "index_semester_process_volunteers_on_reviewed_by_id"
+    t.index ["semester_process_id"], name: "index_semester_process_volunteers_on_semester_process_id"
+    t.index ["volunteer_id"], name: "index_semester_process_volunteers_on_volunteer_id"
+  end
+
   create_table "semester_processes", force: :cascade do |t|
     t.bigint "creator_id"
-    t.datetime "period_start"
-    t.datetime "period_end"
     t.datetime "deleted_at"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.daterange "semester"
+    t.string "mail_subject_template"
+    t.text "mail_body_template"
+    t.datetime "mail_posted_at"
+    t.bigint "mail_posted_by_id"
+    t.string "reminder_mail_subject_template"
+    t.text "reminder_mail_body_template"
+    t.datetime "reminder_mail_posted_at"
+    t.bigint "reminder_mail_posted_by_id"
     t.index ["creator_id"], name: "index_semester_processes_on_creator_id"
     t.index ["deleted_at"], name: "index_semester_processes_on_deleted_at"
+    t.index ["mail_posted_by_id"], name: "index_semester_processes_on_mail_posted_by_id"
+    t.index ["reminder_mail_posted_by_id"], name: "index_semester_processes_on_reminder_mail_posted_by_id"
   end
 
   create_table "trial_feedbacks", force: :cascade do |t|
@@ -779,6 +810,8 @@ ActiveRecord::Schema.define(version: 20181004121332) do
   add_foreign_key "journals", "users"
   add_foreign_key "performance_reports", "users"
   add_foreign_key "profiles", "users"
+  add_foreign_key "semester_process_volunteers", "semester_processes"
+  add_foreign_key "semester_process_volunteers", "volunteers"
   add_foreign_key "trial_feedbacks", "users", column: "author_id"
   add_foreign_key "volunteers", "departments"
   add_foreign_key "volunteers", "users"

test/factories/semester_process_volunteers.rb

+FactoryBot.define do
+  factory :semester_process_volunteer do
+    volunteer
+    semester_process
+
+    notes { ['some note', 'another note'] }
+  end
+end

test/factories/semester_processes.rb

 FactoryBot.define do
   factory :semester_process do
     association :creator, factory: :user
+    mail_subject_template 'mail subject template'
+    mail_body_template 'mail body template'
+    mail_posted_at { Time.zone.local(2018, 6, 10) }
+    association :mail_posted_by, factory: :user
 
-    period_start { Time.zone.local(2017, 12, 1).beginning_of_day }
-    period_end { Time.zone.local(2018, 5, 30).end_of_month }
+    semester { Time.zone.local(2017, 12, 1).beginning_of_day..Time.zone.local(2018, 5, 30).end_of_month }
   end
 end

test/models/semester_process_volunteer_test.rb

+require 'test_helper'
+
+class SemesterProcessVolunteerTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end