Contacts

.gitignore

@@ -45,3 +45,5 @@ bower.json
 *.swp
 *.swo
 .vimrc
+
+config/database.yml

Gemfile

@@ -31,6 +31,7 @@ gem 'sass-rails', '~> 5.0'
 gem 'sextant', group: [:development]
 gem 'slim-rails'
 gem 'spring', group: [:development]
+gem 'spring-commands-rspec', group: [:test]
 gem 'spring-watcher-listen', '~> 2.0.0', group: [:development]
 gem 'turbolinks', '~> 5'
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]

Gemfile.lock

@@ -222,6 +222,8 @@ GEM
       railties (>= 3.1)
       slim (~> 3.0)
     spring (1.7.2)
+    spring-commands-rspec (1.0.4)
+      spring (>= 0.9.1)
     spring-watcher-listen (2.0.0)
       listen (>= 2.7, < 4.0)
       spring (~> 1.2)
@@ -286,6 +288,7 @@ DEPENDENCIES
   shoulda-matchers (~> 3.1)
   slim-rails
   spring
+  spring-commands-rspec
   spring-watcher-listen (~> 2.0.0)
   turbolinks (~> 5)
   tzinfo-data

app/assets/stylesheets/application.scss

@@ -16,3 +16,11 @@ label.required:after {
   content: " *";
   color: red;
 }
+
+.form-inline {
+  .form-group {
+    input {
+      width: 100%;
+    }
+  }
+}

app/controllers/flows/contacts_controller.rb

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+class Flows::ContactsController < ApplicationController
+  def index
+    @contacts = contacts
+    @contact = current_user.contacts.build
+  end
+
+  def create
+    contact = Contact.find_or_initialize_by(email: contact_params[:email])
+    contact.name = contact_params[:name]
+
+    if contact.save
+      membership = current_user.memberships.build(contact_id: contact.id)
+      return redirect_to flows_contacts_path, alert: 'Contact has already been added' unless membership.valid?
+      membership.save
+      redirect_to flows_contacts_path, notice: 'Contact has been added'
+    else
+      @contacts = contacts
+      @contact = contact
+      render :index
+    end
+  end
+
+  def edit; end
+
+  def destroy; end
+
+  private
+
+  def contacts
+    @contacts = current_user.contacts.order(id: :asc)
+  end
+
+  def contact_params
+    params.require(:contact).permit(:name, :email)
+  end
+end

app/models/membership.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+class Membership < ApplicationRecord
+  belongs_to :subscriber, class_name: 'User'
+  belongs_to :subscribed, class_name: 'User'
+
+  validates :name, presence: true, length: { maximum: 255 }
+  validates :subscribed_id, uniqueness: { scope: :subscriber_id }
+end

app/models/user.rb

@@ -1,9 +1,13 @@
 # frozen_string_literal: true
 class User < ApplicationRecord
-  devise :database_authenticatable, :registerable, :recoverable, :rememberable,
-         :trackable, :validatable
+  devise :database_authenticatable, :registerable, :recoverable, :rememberable, :trackable, :validatable
 
   has_many :newsletters
+  has_many :ownerships, class_name: 'Membership', foreign_key: :subscriber_id
+  has_many :memberships, foreign_key: :subscribed_id
+
+  has_many :subscribers, class_name: 'User', through: :memberships, foreign_key: :subscriber_id, dependent: :destroy
+  has_many :subscribeds, class_name: 'User', through: :ownerships, foreign_key: :subscribed_id, dependent: :destroy
 
   validates :name, presence: true, length: { maximum: 255 }
 end

app/views/flows/contacts/_contact.html.slim

@@ -0,0 +1,6 @@
+tr
+  td= contact.id
+  td= link_to contact.name, '#'
+  td= contact.email
+  td= 0
+  td= 0

app/views/flows/contacts/_form.html.slim

@@ -0,0 +1,11 @@
+.panel.panel-success
+  .panel-body
+    form.form-inline
+    = form_for contact, url: url, html: { class: 'for-inline' } do |f|
+      = render 'shared/errors', model: contact
+      .form-group.col-lg-5
+        = f.text_field :name, placeholder: 'Name', class: 'form-control'
+      .form-group.col-lg-5
+        = f.text_field :email, placeholder: 'E-mail', class: 'form-control'
+      .form-group.col-lg-2
+        = f.submit 'Добавить', class: 'btn btn-success'

app/views/flows/contacts/index.html.slim

@@ -0,0 +1,15 @@
+h1 Мои Контакты
+
+= render 'form', contact: @contact, url: flows_contacts_path
+
+- if @contacts.empty? 
+  .alert.alert-warning.text-center Нет добавленных контактов
+-else
+  table.table.table-hover.table-striped
+    tr
+      th ID
+      th Имя
+      th E-mail
+      th Кол-во подписок
+      th Кол-во отписанных
+    = render @contacts

config/routes.rb

@@ -2,6 +2,7 @@
   devise_for :users
   namespace :flows do
     resources :newsletters, except: [:edit]
+    resources :contacts, only: [:index, :create]
   end
   resources :flows, only: [:index, :show]
   root to: 'flows#index'

db/migrate/20160918121902_create_users_contacts.rb

@@ -0,0 +1,8 @@
+class CreateUsersContacts < ActiveRecord::Migration[5.0]
+  def change
+    create_table :users_contacts, id: false do |t|
+      t.belongs_to :user, index: true
+      t.belongs_to :contact, index: true
+    end
+  end
+end

db/migrate/20160924203226_create_memberships.rb

@@ -0,0 +1,10 @@
+class CreateMemberships < ActiveRecord::Migration[5.0]
+  def change
+    create_table :memberships do |t|
+      t.belongs_to :user, index: true
+      t.belongs_to :contact, index: true
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20160925080106_drop_users_contacts_table.rb

@@ -0,0 +1,8 @@
+class DropUsersContactsTable < ActiveRecord::Migration[5.0]
+  def change
+    drop_table :users_contacts, id: false do |t|
+      t.belongs_to :user, index: true
+      t.belongs_to :contact, index: true
+    end
+  end
+end

db/migrate/20160925080729_add_unique_index_to_memberships.rb

@@ -0,0 +1,5 @@
+class AddUniqueIndexToMemberships < ActiveRecord::Migration[5.0]
+  def change
+    add_index :memberships, [:user_id, :contact_id], unique: true
+  end
+end

db/migrate/20161001091106_add_name_to_memberships.rb

@@ -0,0 +1,5 @@
+class AddNameToMemberships < ActiveRecord::Migration[5.0]
+  def change
+    add_column :memberships, :name, :string, limit: 255
+  end
+end

db/migrate/20161004163616_rename_columns_in_membership.rb

@@ -0,0 +1,6 @@
+class RenameColumnsInMembership < ActiveRecord::Migration[5.0]
+  def change
+    rename_column :memberships, :user_id, :subscriber_id
+    rename_column :memberships, :contact_id, :subscribed_id
+  end
+end

db/schema.rb

@@ -10,7 +10,18 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160917154254) do
+ActiveRecord::Schema.define(version: 20161004163616) do
+
+  create_table "memberships", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|
+    t.integer  "subscriber_id"
+    t.integer  "subscribed_id"
+    t.datetime "created_at",    null: false
+    t.datetime "updated_at",    null: false
+    t.string   "name"
+    t.index ["subscribed_id"], name: "index_memberships_on_subscribed_id", using: :btree
+    t.index ["subscriber_id", "subscribed_id"], name: "index_memberships_on_subscriber_id_and_subscribed_id", unique: true, using: :btree
+    t.index ["subscriber_id"], name: "index_memberships_on_subscriber_id", using: :btree
+  end
 
   create_table "newsletters", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|
     t.string   "name"

spec/factories/membership.rb

@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+FactoryGirl.define do
+  factory :membership do
+    name { Faker::Name.name }
+  end
+end

spec/models/membership_spec.rb

@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+RSpec.describe Membership, type: :model do
+  subject { FactoryGirl.build(:membership) }
+
+  let(:batman){ FactoryGirl.create(:user, name: 'Batman') }
+  let(:catwoman){ FactoryGirl.create(:user, name: 'Catwoman') }
+  let(:spiderman){ FactoryGirl.create(:user, name: 'spiderman') }
+
+  context 'with relations' do
+    it { should belong_to(:subscriber) }
+    it { should belong_to(:subscribed) }
+  end
+
+  context 'with validations' do
+    before do
+      subject.subscriber = batman
+      subject.subscribed = catwoman
+      subject.save
+    end
+
+    it { should validate_presence_of(:name) }
+    it { should validate_length_of(:name).is_at_most(255) }
+
+    it 'subscribed user should be uniq for subscriber' do
+      should validate_uniqueness_of(:subscribed_id).scoped_to(:subscriber_id)
+    end
+  end
+
+  context 'with membership subscriptions' do
+    before do
+      subject.subscriber = batman
+      subject.subscribed = catwoman
+      subject.save
+    end
+
+    it 'subscribe 1 person' do
+      expect(Membership.count).to eq 1
+    end
+
+    it 'subscribe 2 people' do
+      meme = FactoryGirl.build(:membership)
+      meme.subscriber = batman
+      meme.subscribed = spiderman
+      meme.save
+
+      expect(Membership.count).to eq 2
+    end
+  end
+end

spec/models/user_spec.rb

@@ -2,6 +2,10 @@
 RSpec.describe User, type: :model do
   subject { FactoryGirl.build(:user) }
 
+  let(:batman){ FactoryGirl.create(:user, name: 'Batman') }
+  let(:catwoman){ FactoryGirl.create(:user, name: 'Catwoman') }
+  let(:spiderman){ FactoryGirl.create(:user, name: 'spiderman') }
+
   context 'with validation' do
     it 'checks empty name' do
       subject.name = nil
@@ -28,9 +32,29 @@
     end
   end
 
-  context 'association' do
-    it 'responds to newsletters association' do
-      expect(subject).to respond_to(:newsletters)
+  context 'with associations' do
+    it { expect(subject).to respond_to(:newsletters) }
+    it { respond_to(:memberships) }
+    it { respond_to(:ownerships) }
+    it { respond_to(:subscribers) }
+    it { respond_to(:subscribeds) }
+  end
+
+  context 'with memberships' do
+    before do
+      batman.ownerships.create!(subscribed: catwoman, name: catwoman.name)
+      batman.ownerships.create!(subscribed: spiderman, name: spiderman.name)
+    end
+
+    it 'fetch right subscribeds' do
+      expect(batman.subscribeds.count).to eq 2
+      expect(batman.subscribeds).to include catwoman
+      expect(batman.subscribeds).to include spiderman
+    end
+
+    it 'fetch right subscriber' do
+      expect(catwoman.subscribers.first).to eq batman
+      expect(spiderman.subscribers.first).to eq batman
     end
   end
 end