Utilizing Rails' remote: true feature to prevent the webpage from refreshing

Currently, I have a 'projects/show.html.erb' page where a project has many 'project_messages'. Users can successfully create new project messages on this page. However, there is an issue where the page refreshes when creating a new project message using a '_form' partial.

To address this, I attempted to use ':remote => true' in order to add project messages without refreshing the page. Unfortunately, the code I used did not work as expected and the page still refreshed. As I am relatively new to rails, any assistance or guidance would be highly appreciated.

Below are the codes for each respective file:

In 'projects/show.html.erb', the following code is used to display and create project messages:

<div class="au-chat au-chat--border">
   <div class="au-message-list">
         <% @project.project_messages.each do |project_message| %>
         <%= render partial: 'project_messages/project_message', locals: { project_message: project_message } %>
         <% end %><br>
   </div>


   <div class="au-chat-textfield">, 
         <%= render partial: 'project_messages/form', locals: { project_message: @project_message } %>                                                 
   </div>
</div>

In the 'project_messages_controller.rb' file, the create method includes 'format.js { }' like so:

  def create
    @project_message = ProjectMessage.new(project_message_params)
    @project_message.user_id = current_user.id if current_user
    @project_message.project_id = current_user.team.project_id if current_user

    respond_to do |format|
      if @project_message.save
        format.html { redirect_to @project_message.project }
        format.json { render :show, status: :created, location: @project_message }
        format.js   { }
      else
        format.html { render :new }
        format.json { render json: @project_message.errors, status: :unprocessable_entity }
      end
    end
  end

The 'project_message' '_form' partial includes ':remote => true' as shown below:

<%= form_with(model: project_message, local: true, :remote => true) do |form| %>
  <% if project_message.errors.any? %>
    <div id="error_explanation">
      <h2><%= pluralize(project_message.errors.count, "error") %> prohibited this project_message from being saved:</h2>

      <ul>
      <% project_message.errors.full_messages.each do |message| %>
        <li><%= message %></li>
      <% end %>
      </ul>
    </div>
  <% end %>

<%= form.text_field :pMessage, id: :project_message_pMessage, :class => 'au-input au-input--full au-input--h65', placeholder: 'Type a message' %>
  <div class="actions" >
    <%= form.submit "Send" %>
  </div>
<% end %>

A 'create.js.erb' file was created in views/project_messages/create.js.erb with the following content:

# confirm file called
console.log('create.js.erb file');

# add new comment to end of comments section
$("#project_message").append("<%= j render(@project_message) %>");

Despite these efforts, the page continues to refresh. Removing 'local: true' from the 'project_message' '_form' partial prevents the page from refreshing, but it also fails to update the 'projects/show.html.erb' view.

I referenced this link as well as other resources on stackoverflow during my troubleshooting process.

Answer №1

handle_response_with do |format|
format.js { display 'project_messages/create.js'} end

Answer №2

Looks like you're running Rails 5

Please remove the usage of remote: true and local: true in your code

You can find more information on this topic here

Also, ensure that you have an HTML element with the ID of project_message

Your current code is

$("#project_message").append("<%= j render(@project_message) %>");

Double check your HTML code to see if there is any element with that specific ID

Answer №3

One way to handle this is by using the traditional form_for method. You can find more information on how to work with JavaScript in Rails at this link

To implement this, update the code in your views like so:

<%= form_for project_message, :remote => true do |form| %>

Also, ensure that you have an HTML element with an id attribute, for example:

<div class="au-message-list" id="project_message">

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