adds letter verification

app/controllers/verification/letter_controller.rb

@@ -0,0 +1,32 @@
+class Verification::LetterController < ApplicationController
+  before_action :authenticate_user!
+  before_action :verify_resident!
+  before_action :verify_phone_or_email!
+  skip_authorization_check
+
+  def new
+    @letter = Letter.new(user: current_user)
+  end
+
+  def create
+    @letter = Letter.new(user: current_user)
+    if @letter.save
+      redirect_to account_path, notice: t('verification.letter.create.flash.success')
+    else
+      flash.now.alert = t('verification.letter.create.alert.failure')
+      render :new
+    end
+  end
+
+  private
+
+    def letter_params
+      params.require(:letter).permit()
+    end
+
+    def verify_phone_or_email!
+      unless current_user.confirmed_phone?
+        redirect_to verified_user_path, alert: t('verification.letter.alert.unconfirmed_personal_data')
+      end
+    end
+end