Create sdg manager

app/models/sdg/manager.rb

@@ -0,0 +1,6 @@
+class SDG::Manager < ApplicationRecord
+  belongs_to :user, touch: true
+  delegate :name, :email, to: :user
+
+  validates :user_id, presence: true, uniqueness: true
+end

app/models/user.rb

@@ -15,6 +15,7 @@ class User < ApplicationRecord
   has_one :moderator
   has_one :valuator
   has_one :manager
+  has_one :sdg_manager, class_name: "SDG::Manager", dependent: :destroy
   has_one :poll_officer, class_name: "Poll::Officer"
   has_one :organization
   has_one :lock
@@ -197,6 +198,10 @@ class User < ApplicationRecord
     manager.present?
   end
 
+  def sdg_manager?
+    sdg_manager.present?
+  end
+
   def poll_officer?
     poll_officer.present?
   end

db/migrate/20201124145559_create_sdg_manager.rb

@@ -0,0 +1,8 @@
+class CreateSDGManager < ActiveRecord::Migration[5.2]
+  def change
+    create_table :sdg_managers do |t|
+      t.belongs_to :user, foreign_key: true, index: { unique: true }
+      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: 2020_11_23_124006) do
+ActiveRecord::Schema.define(version: 2020_11_24_145559) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_trgm"
@@ -1324,6 +1324,13 @@ ActiveRecord::Schema.define(version: 2020_11_23_124006) do
     t.index ["target_id"], name: "index_sdg_local_targets_on_target_id"
   end
 
+  create_table "sdg_managers", force: :cascade do |t|
+    t.bigint "user_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["user_id"], name: "index_sdg_managers_on_user_id", unique: true
+  end
+
   create_table "sdg_relations", force: :cascade do |t|
     t.string "related_sdg_type"
     t.bigint "related_sdg_id"
@@ -1694,6 +1701,7 @@ ActiveRecord::Schema.define(version: 2020_11_23_124006) do
   add_foreign_key "proposals", "communities"
   add_foreign_key "related_content_scores", "related_contents"
   add_foreign_key "related_content_scores", "users"
+  add_foreign_key "sdg_managers", "users"
   add_foreign_key "users", "geozones"
   add_foreign_key "valuators", "users"
 end

spec/factories/users.rb

@@ -106,6 +106,10 @@ FactoryBot.define do
     user
   end
 
+  factory :sdg_manager, class: "SDG::Manager" do
+    user
+  end
+
   factory :poll_officer, class: "Poll::Officer" do
     user { association(:user, username: name) }
 

spec/models/user_spec.rb

@@ -189,6 +189,18 @@ describe User do
     end
   end
 
+  describe "sdg_manager?" do
+    it "is false when the user is not a sdg manager" do
+      expect(subject.sdg_manager?).to be false
+    end
+
+    it "is true when the user is a sdg manager" do
+      subject.save!
+      create(:sdg_manager, user: subject)
+      expect(subject.sdg_manager?).to be true
+    end
+  end
+
   describe "poll_officer?" do
     it "is false when the user is not a poll officer" do
       expect(subject.poll_officer?).to be false