WIP—Email sending

app/controllers/application_controller.rb

@@ -9,13 +9,21 @@ class ApplicationController < ActionController::Base
     rescue_from Pundit::NotAuthorizedError,
                 with: :record_not_authorized
   end
-  helper_method :nobody_signed_in?, :current_user_id, :is_my?, :isnt_my?, :set_event
+  helper_method :nobody_signed_in?, :current_user_id, :set_event, :custom_authorization
 
   def set_event
     @event = Event.friendly.find_by_friendly_id(params[:event_id] || params[:id])
     raise ActiveRecord::RecordNotFound unless @event
   end
 
+  def custom_authorization
+    skip_authorization
+    # manually authenticate certain methods, Pundit can't
+    unless @event.users.include?(current_user) || current_user.admin?
+      raise Pundit::NotAuthorizedError, 'not allowed to view this action'
+    end
+  end
+
   # Keep the current user id in memory
   def current_user_id
     return unless current_user

app/controllers/attendee_fields_controller.rb

@@ -1,4 +1,5 @@
 class AttendeeFieldsController < ApplicationController
+  before_action :please_sign_in
   before_action :set_event
   before_action :set_attendee_field, only: %i[show edit update destroy]
   before_action -> { authorize @attendee_field }, only: %i[show edit update destroy]

app/controllers/attendees_controller.rb

@@ -28,14 +28,6 @@ def index
     end
   end
 
-  def custom_authorization
-    skip_authorization
-    # manually authenticate certain methods, Pundit can't
-    unless @event.users.include?(current_user) || current_user.admin?
-      raise Pundit::NotAuthorizedError, 'not allowed to view this action'
-    end
-  end
-
   def show
     @attendee_fields = @event.fields
   end

app/controllers/emails_controller.rb

@@ -0,0 +1,57 @@
+class EmailsController < ApplicationController
+  before_action :please_sign_in
+  before_action :set_event
+  before_action :set_email, only: %i[show]
+  before_action :custom_authorization, only: %i[index settings configure]
+
+  def index
+  end
+
+  def show
+    authorize @email
+  end
+
+  def new
+    @email = @event.emails.new
+    authorize @email
+  end
+
+  def create
+    @email = @event.emails.new(email_params)
+    authorize @email
+
+    if @email.save
+      redirect_to event_emails_path(@event)
+      flash[:success] = 'Email will be sent shortly.'
+    else
+      render :new
+    end
+  end
+
+  def settings
+    @email_config = @event.email_config
+  end
+
+  def configure
+    if @event.email_config.update(email_config_params)
+      redirect_to event_emails_path(@event)
+      flash[:success] = 'Email sending has been configured.'
+    else
+      render :edit
+    end
+  end
+
+  private
+
+  def set_email
+    @email = @event.emails.find(params[:id])
+  end
+
+  def email_params
+    params.require(:email).permit(:recipient, :sender_email, :subject, :body)
+  end
+
+  def email_config_params
+    params.require(:email_config).permit(:smtp_url, :smtp_port, :authentication, :domain, :sender_email, :username, :password)
+  end
+end

app/models/email.rb

@@ -0,0 +1,3 @@
+class Email < ApplicationRecord
+  belongs_to :event
+end

app/models/email_config.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class EmailConfig < ApplicationRecord
+  belongs_to :event
+
+  def enabled?
+    true unless [
+      smtp_url, smtp_port, authentication, domain, sender_email, username, password
+    ].any?(&:nil?)
+  end
+end

app/models/event.rb

@@ -3,6 +3,8 @@ class Event < ApplicationRecord
 
   default_scope { order(id: :asc) }
 
+  has_one :email_config, dependent: :destroy
+  has_many :emails, dependent: :destroy
   has_many :attendees, dependent: :destroy
   has_many :fields, class_name: 'AttendeeField', dependent: :destroy
   has_many :organizer_positions, dependent: :destroy
@@ -14,6 +16,12 @@ class Event < ApplicationRecord
   validates :name, :start_date, :end_date, :location, :user_id, presence: true
   validate :permitted_domains_cannot_have_trailing_slash
 
+  after_create do
+    create_email_config!
+  end
+
+  private
+
   def permitted_domains_cannot_have_trailing_slash
     permitted_domains.split(',').each do |domain|
       if domain[-1] == '/'

app/policies/email_policy.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class EmailPolicy < ApplicationPolicy
+  def show?
+    record.event.users.include?(user) || user.admin?
+  end
+
+  def new?
+    record.event.users.include?(user) || user.admin?
+  end
+
+  def create?
+    record.event.users.include?(user) || user.admin?
+  end
+end

app/views/emails/index.html.erb

@@ -0,0 +1,20 @@
+<% title "Emails on #{@event.name}" %>
+<div class="breadcrumbs">
+  <%= link_to 'Home', root_url %> › <%= link_to 'Events', events_url %> › <%= link_to @event.name, @event %>
+</div>
+
+<h1 class="heading">
+  Emails
+  <% if @event.email_config.enabled? %>
+    <%= link_to 'Send an email', new_event_email_path, class: 'btn bg-success' %>
+    <%= link_to 'Edit settings', settings_event_emails_path, class: 'btn bg-info' %>
+  <% else %>
+    <%= link_to 'Configure email sending', settings_event_emails_path, class: 'btn bg-info' %>
+  <% end %>
+</h1>
+
+<% if @event.email_config.enabled? %>
+  a
+<% else %>
+  <p class="muted no-margin">Email sending hasn’t been configured.</p>
+<% end %>

app/views/emails/settings.html.erb

@@ -0,0 +1,63 @@
+<% title "Editing email settings on #{@event.name}" %>
+<div class="breadcrumbs">
+  <%= link_to 'Home', root_url %> › <%= link_to 'Events', events_url %> › <%= link_to @event.name, @event %> › <%= link_to 'Emails', event_emails_path(@event) %>
+</div>
+<h1>Email Configuration</h1>
+
+<%= form_with(model: @email_config, local: true, url: configure_event_emails_path) do |form| %>
+  <% if @email_config.errors.any? %>
+    <div id="error_explanation">
+      <h2><%= pluralize(@email_config.errors.count, "error") %> prohibited this event from being saved:</h2>
+
+      <ul>
+        <% @email_config.errors.full_messages.each do |message| %>
+          <li><%= message %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div class="field">
+    <%= form.label :smtp_url %>
+    <%= form.text_field :smtp_url %>
+  </div>
+
+  <div class="field">
+    <%= form.label :smtp_port %>
+    <%= form.text_field :smtp_port %>
+  </div>
+
+  <div class="field">
+    <%= form.label :authentication %>
+    <%= form.text_field :authentication, placeholder: 'PLAIN' %>
+  </div>
+
+  <div class="field">
+    <%= form.label :smtp_url %>
+    <%= form.text_field :smtp_url %>
+  </div>
+
+  <div class="field">
+    <%= form.label :domain %>
+    <%= form.text_field :domain %>
+  </div>
+
+  <div class="field">
+    <%= form.label :sender_email %>
+    <%= form.text_field :sender_email %>
+  </div>
+
+  <div class="field">
+    <%= form.label :username %>
+    <%= form.text_field :username %>
+  </div>
+
+  <div class="field">
+    <%= form.label :password %>
+    <%= form.password_field :password %>
+  </div>
+
+  <div class="actions">
+    <%= form.submit 'Configure' %>
+  </div>
+<% end %>

app/views/events/show.html.erb

@@ -35,6 +35,11 @@
       Hardware<span class="badge"><%= @event.hardwares.count %></span>
     </li>
   <% end %>
+  <%= link_to event_emails_path(@event) do %>
+    <li style="display: flex; align-items: center;">
+      Emails<span class="badge"><%= @event.email_config.enabled? ? @event.emails.count : 'Disabled' %></span>
+    </li>
+  <% end %>
 </ul>
 
 <div id="team-members" style="margin: 0 0 1rem;">

config/routes.rb

@@ -18,6 +18,12 @@
       end
     end
     resources :attendee_fields, path: 'fields'
+    resources :emails do
+      collection do
+        get 'settings', to: 'emails#settings', as: :settings
+        patch 'configure', to: 'emails#configure', as: :configure
+      end
+    end
 
     resources :organizer_position_invites, path: 'invites' do
       post 'accept'

db/migrate/20181213014752_create_email_configs.rb

@@ -0,0 +1,16 @@
+class CreateEmailConfigs < ActiveRecord::Migration[5.2]
+  def change
+    create_table :email_configs do |t|
+      t.string :smtp_url
+      t.string :smtp_port
+      t.string :authentication
+      t.string :domain
+      t.string :sender_email
+      t.string :username
+      t.string :password
+      t.belongs_to :event, index: true
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20181213030449_create_emails.rb

@@ -0,0 +1,15 @@
+class CreateEmails < ActiveRecord::Migration[5.2]
+  def change
+    create_table :emails do |t|
+      t.string :recipient
+      t.string :sender_email
+      t.text :subject
+      t.text :body
+      t.string :read_receipt_img_url
+      t.string :read_receipt_stats_url
+      t.belongs_to :event, index: 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: 2018_12_04_044905) do
+ActiveRecord::Schema.define(version: 2018_12_13_030449) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -74,6 +74,33 @@
     t.index ["event_id"], name: "index_attendees_on_event_id"
   end
 
+  create_table "email_configs", force: :cascade do |t|
+    t.string "smtp_url"
+    t.string "smtp_port"
+    t.string "authentication"
+    t.string "domain"
+    t.string "sender_email"
+    t.string "username"
+    t.string "password"
+    t.bigint "event_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["event_id"], name: "index_email_configs_on_event_id"
+  end
+
+  create_table "emails", force: :cascade do |t|
+    t.string "recipient"
+    t.string "sender_email"
+    t.text "subject"
+    t.text "body"
+    t.string "read_receipt_img_url"
+    t.string "read_receipt_stats_url"
+    t.bigint "event_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["event_id"], name: "index_emails_on_event_id"
+  end
+
   create_table "events", force: :cascade do |t|
     t.string "name"
     t.datetime "start_date"

test/fixtures/email_configs.yml

@@ -0,0 +1,21 @@
+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  enabled: false
+  smtp_url: MyString
+  smtp_port: MyString
+  authentication: MyString
+  domain: MyString
+  sender_email: MyString
+  username: MyString
+  password: MyString
+
+two:
+  enabled: false
+  smtp_url: MyString
+  smtp_port: MyString
+  authentication: MyString
+  domain: MyString
+  sender_email: MyString
+  username: MyString
+  password: MyString

test/fixtures/emails.yml

@@ -0,0 +1,17 @@
+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  recipient: MyString
+  sender_email: MyString
+  subject: MyText
+  body: MyText
+  read_receipt_img_url: MyString
+  read_receipt_stats_url: MyString
+
+two:
+  recipient: MyString
+  sender_email: MyString
+  subject: MyText
+  body: MyText
+  read_receipt_img_url: MyString
+  read_receipt_stats_url: MyString

test/models/email_config_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class EmailConfigTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/models/email_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class EmailTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end