Add `ReferentialSuite`

This model is responsible for collecting referentials in order to merge
them into a single referential.

* `new` corresponds to a referential in the process of being validated
* `current` corresponds to the most recently validated referential

Refs #3519

4 files changed, 29 insertions, 1 deletions

diff --git a/app/models/referential_suite.rb b/app/models/referential_suite.rb
new file mode 100644
index 000000000..c2f40913e
--- /dev/null
+++ b/app/models/referential_suite.rb
@@ -0,0 +1,4 @@
+class ReferentialSuite < ActiveRecord::Base
+  belongs_to :new, class_name: 'Referential'
+  belongs_to :current, class_name: 'Referential'
+end
diff --git a/db/migrate/20170922161352_create_referential_suites.rb b/db/migrate/20170922161352_create_referential_suites.rb
new file mode 100644
index 000000000..5a8693d01
--- /dev/null
+++ b/db/migrate/20170922161352_create_referential_suites.rb
@@ -0,0 +1,10 @@
+class CreateReferentialSuites < ActiveRecord::Migration
+  def change
+    create_table :referential_suites do |t|
+      t.bigint :new_id, index: true
+      t.bigint :current_id, index: true
+
+      t.timestamps null: false
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 2b62fa7f1..43abbd3af 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170918103913) do
+ActiveRecord::Schema.define(version: 20170922161352) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -602,6 +602,16 @@ ActiveRecord::Schema.define(version: 20170918103913) do
   add_index "referential_metadata", ["referential_id"], name: "index_referential_metadata_on_referential_id", using: :btree
   add_index "referential_metadata", ["referential_source_id"], name: "index_referential_metadata_on_referential_source_id", using: :btree
 
+  create_table "referential_suites", id: :bigserial, force: :cascade do |t|
+    t.integer  "new_id",     limit: 8
+    t.integer  "current_id", limit: 8
+    t.datetime "created_at",           null: false
+    t.datetime "updated_at",           null: false
+  end
+
+  add_index "referential_suites", ["current_id"], name: "index_referential_suites_on_current_id", using: :btree
+  add_index "referential_suites", ["new_id"], name: "index_referential_suites_on_new_id", using: :btree
+
   create_table "referentials", id: :bigserial, force: :cascade do |t|
     t.string   "name"
     t.string   "slug"
diff --git a/spec/models/referential_suite_spec.rb b/spec/models/referential_suite_spec.rb
new file mode 100644
index 000000000..73a616ae1
--- /dev/null
+++ b/spec/models/referential_suite_spec.rb
@@ -0,0 +1,4 @@
+RSpec.describe ReferentialSuite, type: :model do
+  it { should belong_to(:new).class_name('Referential') }
+  it { should belong_to(:current).class_name('Referential') }
+end