Add roles to clients

Gemfile

@@ -96,3 +96,4 @@ gem 'airbrake'
 
 gem 'bootstrap-sass', '~> 3.3.5'
 gem 'react-rails'
+gem 'rolify'

Gemfile.lock

@@ -223,6 +223,7 @@ GEM
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 3.0)
       netrc (~> 0.7)
+    rolify (5.1.0)
     rspec-core (3.3.2)
       rspec-support (~> 3.3.0)
     rspec-expectations (3.3.1)
@@ -326,6 +327,7 @@ DEPENDENCIES
   purecss-rails
   rails (= 4.2.4)
   react-rails
+  rolify
   rspec-rails
   sass-rails (~> 5.0)
   sdoc (~> 0.4.0)

app/models/client.rb

@@ -10,6 +10,7 @@
 #
 
 class Client < ActiveRecord::Base
+  rolify
   has_many :issued_transactions, as: :issuer, class_name: 'Transaction'
   before_create :generate_key
 

app/models/client_ability.rb

@@ -3,6 +3,8 @@ class ClientAbility
 
   def initialize(client)
     client ||= Client.new # guest user (not logged in)
-    can :manage, :all
+
+    can :create, Transaction if client.has_role? :create_transactions
+    can :create, Request
   end
 end

app/models/role.rb

@@ -0,0 +1,12 @@
+class Role < ActiveRecord::Base
+  has_and_belongs_to_many :clients, join_table: :clients_roles
+
+  belongs_to :resource,
+             polymorphic: true
+
+  validates :resource_type,
+            inclusion: { in: Rolify.resource_types },
+            allow_nil: true
+
+  scopify
+end

config/initializers/rolify.rb

@@ -0,0 +1,7 @@
+Rolify.configure do |config|
+  # By default ORM adapter is ActiveRecord. uncomment to use mongoid
+  # config.use_mongoid
+
+  # Dynamic shortcuts for User class (user.is_admin? like methods). Default is: false
+  # config.use_dynamic_shortcuts
+end

db/migrate/20170123151219_rolify_create_roles.rb

@@ -0,0 +1,19 @@
+class RolifyCreateRoles < ActiveRecord::Migration
+  def change
+    create_table(:roles) do |t|
+      t.string :name
+      t.references :resource, polymorphic: true
+
+      t.timestamps
+    end
+
+    create_table(:clients_roles, id: false) do |t|
+      t.references :client
+      t.references :role
+    end
+
+    add_index(:roles, :name)
+    add_index(:roles, [ :name, :resource_type, :resource_id ])
+    add_index(:clients_roles, [ :client_id, :role_id ])
+  end
+end

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: 20170109150245) do
+ActiveRecord::Schema.define(version: 20170123151219) do
 
   create_table "clients", force: :cascade do |t|
     t.string   "name",       null: false
@@ -23,6 +23,13 @@ ActiveRecord::Schema.define(version: 20170109150245) do
   add_index "clients", ["key"], name: "index_clients_on_key"
   add_index "clients", ["name"], name: "index_clients_on_name"
 
+  create_table "clients_roles", id: false, force: :cascade do |t|
+    t.integer "client_id"
+    t.integer "role_id"
+  end
+
+  add_index "clients_roles", ["client_id", "role_id"], name: "index_clients_roles_on_client_id_and_role_id"
+
   create_table "notifications", force: :cascade do |t|
     t.integer  "user_id",                    null: false
     t.string   "message"
@@ -49,6 +56,17 @@ ActiveRecord::Schema.define(version: 20170109150245) do
   add_index "requests", ["debtor_id"], name: "index_requests_on_debtor_id"
   add_index "requests", ["issuer_type", "issuer_id"], name: "index_requests_on_issuer_type_and_issuer_id"
 
+  create_table "roles", force: :cascade do |t|
+    t.string   "name"
+    t.integer  "resource_id"
+    t.string   "resource_type"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+  add_index "roles", ["name", "resource_type", "resource_id"], name: "index_roles_on_name_and_resource_type_and_resource_id"
+  add_index "roles", ["name"], name: "index_roles_on_name"
+
   create_table "transactions", force: :cascade do |t|
     t.integer  "debtor_id",                null: false
     t.integer  "creditor_id",              null: false

spec/factories/roles.rb

@@ -0,0 +1,6 @@
+FactoryGirl.define do
+  factory :role do
+    
+  end
+
+end

spec/models/role_spec.rb

@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe Role, type: :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end