Refactor user settings

Use resources instead of custom controllers, following the Rails way
and making things much cleaner in the process.

app/controllers/settings/account_controller.rb

@@ -1,13 +0,0 @@
-class Settings::AccountController < SettingsController
-
-  def index
-  end
-
-  def reset_password
-    current_user.send_reset_password_instructions
-    sign_out current_user
-    msg = "We have sent you an email with a link to reset your password."
-    redirect_to check_your_email_path, notice: msg
-  end
-
-end

app/controllers/settings/profile_controller.rb

@@ -1,11 +0,0 @@
-class Settings::ProfileController < SettingsController
-
-  def index
-    @user = current_user
-  end
-
-  def update
-
-  end
-
-end

app/controllers/settings_controller.rb

@@ -1,13 +1,37 @@
 class SettingsController < ApplicationController
-  before_action :require_user_signed_in
-  before_action :set_current_section
+  before_action :authenticate_user!
+  before_action :set_main_nav_section
+  before_action :set_settings_section, only: ['show', 'update']
 
   def index
+    redirect_to setting_path(:profile)
+  end
+
+  def show
+    @user = current_user
+  end
+
+  def update
+  end
+
+  def reset_password
+    current_user.send_reset_password_instructions
+    sign_out current_user
+    msg = "We have sent you an email with a link to reset your password."
+    redirect_to check_your_email_path, notice: msg
   end
 
   private
 
-  def set_current_section
+  def set_main_nav_section
     @current_section = :settings
   end
+
+  def set_settings_section
+    @settings_section = params[:section]
+
+    unless [:profile, :account].include?(@settings_section.to_sym)
+      redirect_to setting_path(:profile)
+    end
+  end
 end