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Editorial Team
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Asked: 2026-06-14T10:05:14+00:00

I’m trying to use acts as message able gem and I’m following their example

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I’m trying to use acts as message able gem and I’m following their example controller

SOLVED See Answer

I keep getting this error undefined method `send_message’ for nil:NilClass when trying to send a message in the view

How should I adjust my code?
Thanks

View (Form)

            <%= simple_form_for ActsAsMessageable::Message.new, :url => messages_path, :method => :post do |f| %>
                <%= f.hidden_field :to, value: @gear.user.email %>
                <%= f.input :body %>
                <%= f.input :topic %>
                <%= f.button :submit, class: 'btn' %>
            <% end %>

User Model

class User < ActiveRecord::Base 
  acts_as_messageable :table_name => "messages",                         # default 'messages'
                      :required   => [:topic, :body],                     # default [:topic, :body]
                      :class_name => "ActsAsMessageable::Message",       # default "ActsAsMessageable::Message",
                      :dependent  => :nullify                            # default :nullify

end

Messages Controller

class MessagesController < ApplicationController
  def new
    @message = ActsAsMessageable::Message.new
  end

  def create
    @to = User.find_by_email(params[:acts_as_messageable_message][:to])
    current_user.send_message(@to, params[:acts_as_messageable_message][:topic], params[:acts_as_messageable_message][:body])
  end
end

Development Log

Started POST "/messages" for 127.0.0.1 at 2012-11-15 07:23:40 -0600
Processing by MessagesController#create as HTML
  Parameters: {"utf8"=>"✓", "authenticity_token"=>"OqaDOP6PldbFVXWPZyijn+887Ym/fDsU0oqzVrL0rQA=", "acts_as_messageable_message"=>{"to"=>"xyz@test.com", "body"=>"test", "topic"=>"test"}, "commit"=>"Create Message"}
  [1m[35mUser Load (0.5ms)[0m  SELECT `users`.* FROM `users` WHERE `users`.`email` = 'xyz@test.com' LIMIT 1
Completed 500 Internal Server Error in 3ms

NoMethodError (undefined method `send_message' for nil:NilClass):
  app/controllers/messages_controller.rb:29:in `create

‘

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1 Answer

  1. Editorial Team

    I ended up getting it working. The problem ultimately was the gem was using the User model and was expecting the controller to be the User controller not another controller called “Messages”. So I simply moved my actions into my Users controller, added the routes and changed the view path, and it now works. @Alex.Bullard thanks for the help.

    I’m posting my edits below:

    Controller Change

    class UsersController < ApplicationController
  respond_to :html, :json
  def new_message
    @message = ActsAsMessageable::Message.new
  end

  def create_message
    @to = User.find_by_email(params[:acts_as_messageable_message][:to])
    current_user.send_message(@to, params[:acts_as_messageable_message][:topic], params[:acts_as_messageable_message][:body])
    redirect_to :back, notice: "Message sent to Owner"
  end

end

    View

                <%= simple_form_for ActsAsMessageable::Message.new, :url => create_message_users_path, :method => :post do |f| %>
                <%= f.hidden_field :to, value: @gear.user.email %>
                <%= f.input :body %>
                <%= f.input :topic %>
                <%= f.button :submit, class: 'btn' %>
            <% end %>

    Routes

      resources :users, :except => [ :create, :new ] do
     get "new_message", :on => :collection
     post "create_message", :on => :collection
     resources :store
  end
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