Create new model to store deleted dossier metadatas

app/models/deleted_dossier.rb

@@ -0,0 +1,3 @@
+class DeletedDossier < ApplicationRecord
+  belongs_to :procedure
+end

app/models/procedure.rb

@@ -3,6 +3,7 @@ class Procedure < ApplicationRecord
   has_many :types_de_champ, -> { public_only }, dependent: :destroy
   has_many :types_de_champ_private, -> { private_only }, class_name: 'TypeDeChamp', dependent: :destroy
   has_many :dossiers
+  has_many :deleted_dossiers, dependent: :destroy
 
   has_one :module_api_carto, dependent: :destroy
   has_one :attestation_template, dependent: :destroy

db/migrate/20180530095508_create_deleted_dossiers.rb

@@ -0,0 +1,12 @@
+class CreateDeletedDossiers < ActiveRecord::Migration[5.2]
+  def change
+    create_table :deleted_dossiers do |t|
+      t.references :procedure
+      t.bigint :dossier_id
+      t.datetime :deleted_at
+      t.string :state
+
+      t.timestamps
+    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: 2018_05_22_142109) do
+ActiveRecord::Schema.define(version: 2018_05_30_095508) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -220,6 +220,16 @@ ActiveRecord::Schema.define(version: 2018_05_22_142109) do
     t.index ["priority", "run_at"], name: "delayed_jobs_priority"
   end
 
+  create_table "deleted_dossiers", force: :cascade do |t|
+    t.bigint "procedure_id"
+    t.bigint "dossier_id"
+    t.datetime "deleted_at"
+    t.string "state"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["procedure_id"], name: "index_deleted_dossiers_on_procedure_id"
+  end
+
   create_table "dossiers", id: :serial, force: :cascade do |t|
     t.boolean "autorisation_donnees"
     t.integer "procedure_id"