Added newsletter controller and routes

app/controllers/admin/newsletters_controller.rb

@@ -1,6 +1,47 @@
 class Admin::NewslettersController < Admin::BaseController
 
   def index
+    @newsletters = Newsletter.all
+  end
+
+  def show
+    @newsletter = Newsletter.find(params[:id])
+  end
+
+  def new
+    @newsletter = Newsletter.new
+  end
+
+  def create
+    @newsletter = Newsletter.new(newsletter_params)
+
+    if @newsletter.save
+      notice = t("admin.newsletters.create_success")
+      redirect_to [:admin, @newsletter], notice: notice
+    else
+      render :new
+    end
+  end
+
+  def edit
+    @newsletter = Newsletter.find(params[:id])
+  end
+
+  def update
+    @newsletter = Newsletter.find(params[:id])
+
+    if @newsletter.update(newsletter_params)
+      redirect_to [:admin, @newsletter], notice: t("admin.newsletters.update_success")
+    else
+      render :edit
+    end
+  end
+
+  def destroy
+    @newsletter = Newsletter.find(params[:id])
+    @newsletter.destroy
+
+    redirect_to admin_newsletters_path, notice: t("admin.newsletters.delete_success")
   end
 
   def users
@@ -9,4 +50,20 @@ class Admin::NewslettersController < Admin::BaseController
     send_file(File.join(zip.path), type: 'application/zip')
   end
 
-end
+  def deliver
+    @newsletter = Newsletter.find(params[:id])
+    Mailer.newsletter(@newsletter).deliver_later
+
+    @newsletter.update(sent_at: Time.current)
+
+    redirect_to [:admin, @newsletter], notice: t("admin.newsletters.send_success")
+  end
+
+  private
+
+    def newsletter_params
+      newsletter_params = params.require(:newsletter)
+                                .permit(:subject, :segment_recipient, :from, :body)
+      newsletter_params.merge(segment_recipient: newsletter_params[:segment_recipient].to_i)
+    end
+end

config/routes/admin.rb

@@ -142,7 +142,10 @@ namespace :admin do
 
   resource :activity, controller: :activity, only: :show
 
-  resources :newsletters, only: :index do
+  resources :newsletters do
+    member do
+      post :deliver
+    end
     get :users, on: :collection
   end