Refactor the account edit/update pages out into a separate accounts controller

app/controllers/concerns/user_methods.rb

@@ -0,0 +1,47 @@
+module UserMethods
+  extend ActiveSupport::Concern
+
+  private
+
+  ##
+  # update a user's details
+  def update_user(user, params)
+    user.display_name = params[:user][:display_name]
+    user.new_email = params[:user][:new_email]
+
+    unless params[:user][:pass_crypt].empty? && params[:user][:pass_crypt_confirmation].empty?
+      user.pass_crypt = params[:user][:pass_crypt]
+      user.pass_crypt_confirmation = params[:user][:pass_crypt_confirmation]
+    end
+
+    if params[:user][:auth_provider].nil? || params[:user][:auth_provider].blank?
+      user.auth_provider = nil
+      user.auth_uid = nil
+    end
+
+    if user.save
+      session[:fingerprint] = user.fingerprint
+
+      if user.new_email.blank? || user.new_email == user.email
+        flash[:notice] = t "accounts.update.success"
+      else
+        user.email = user.new_email
+
+        if user.valid?
+          flash[:notice] = t "accounts.update.success_confirm_needed"
+
+          begin
+            UserMailer.email_confirm(user, user.tokens.create).deliver_later
+          rescue StandardError
+            # Ignore errors sending email
+          end
+        else
+          current_user.errors.add(:new_email, current_user.errors[:email])
+          current_user.errors.add(:email, [])
+        end
+
+        user.restore_email!
+      end
+    end
+  end
+end