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POIssue getting variable to pass from Controller Action to Mailer template in Ruby on Rails
 

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  1. POIssue getting variable to pass from Controller Action to Mailer template in Ruby on Rails
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    <p>I'm having trouble getting a variable filled with text to pass from my controller action "Submit", to my email template.</p> <p>The code listed is to allow you to follow the variable named @message through my app. </p> <p>To start, what I have is a basic "show" view for my model "ECN". It contains some nested information, but that is not relevant. I'm using twitter bootstrap to create a modal form. My <strong>show view</strong> file contains the following:</p> <pre><code>&lt;button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#submitModal"&gt; Submit for Approval &lt;/button&gt; &lt;!-- Submit Modal --&gt; &lt;div class="modal fade" id="submitModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true"&gt; &lt;div class="modal-dialog"&gt; &lt;div class="modal-content"&gt; &lt;div class="modal-header"&gt; &lt;button type="button" class="close" data-dismiss="modal" aria-hidden="true"&gt;X&lt;/button&gt; &lt;h4 class="modal-title" id="myModalLabel"&gt;Edit Email&lt;/h4&gt; &lt;/div&gt; &lt;div class="modal-body"&gt; &lt;%= render 'submit_email_fields' %&gt; &lt;/div&gt; &lt;div class="modal-footer"&gt; &lt;button type="button" class="btn btn-default" data-dismiss="modal"&gt;Cancel&lt;/button&gt; &lt;%= button_to "Submit ECN", {action: "submit", :id =&gt; @ecn.id}, {class: "btn btn-primary"} %&gt; &lt;/div&gt; &lt;/div&gt;&lt;!-- /.modal-content --&gt; &lt;/div&gt;&lt;!-- /.modal-dialog --&gt; &lt;/div&gt;&lt;!-- /.modal --&gt; </code></pre> <p>Basically the modal pops up and renders the <strong>_submit_email_fields</strong> file which is shown next:</p> <pre><code>&lt;%= form_tag :action =&gt; 'submit', :id =&gt; @ecn.id %&gt; &lt;p&gt;&lt;label for="email_message"&gt;&lt;/label&gt;&lt;br/&gt; &lt;%= text_area 'email', 'message', value: render('submitted.text.erb'), class: "span6" %&gt;&lt;/p&gt; &lt;%= form_tag %&gt; </code></pre> <p>At this point, I have created a form with a text_area that is populated with a text file "<em>submitted.text.erb</em>". I have a basic email set up, and when the user presses the button "<em>Submit for Approval</em>" in the <em>show</em> view, the modal pops up with a pre-filled form that they can edit before hitting the <strong>Submit ECN</strong> button. The information in the text area is then saved into the parameter email[:message].</p> <p>Next lets look at the <strong>submit action</strong> in my controller:</p> <pre><code> def submit @ecn = Ecn.find(params[:id]) @email = params[:email] @message = @email[:message] @email_list = EmailList.all respond_to do |format| EcnNotifier.submit_engineering(@ecn, @message).deliver format.html { redirect_to home_url, alert: "Ecn has been submitted for approval." } format.json { render json: @ecns } end end </code></pre> <p>This action takes the parameters sets them to instance variables before running my mailer <strong>EcnNotifier</strong> on them. I've verified that the variable @message contains the full text from the form at this point in time. However, the email sends through with no body. Let's look at the mailer method <strong>submit_engineering(@ecn, @message)</strong>:</p> <pre><code>def submit_engineering(ecn, message) @ecn = ecn @message = message @email = EmailList.where(department: "Engineering").all to = [] @email.each do |e| to.push e.email end mail to: to, subject: 'ECN approval', template_name: 'submitted' end </code></pre> <p>This should take my message and continue to use it under the name @message. This mailer send out the template named "<strong>submitted</strong>". This template contains the following:</p> <pre><code>&lt;%= @message %&gt; &lt;h1&gt;TEST&lt;/h1&gt; </code></pre> <p>The template should simply print out the contents of @message, however the email sent is empty except for the TEST test I've added to verify the template was being used correctly. </p> <p>My question is, why is my @message variable not passing correctly from the controller to the final email? Thanks for reading this far and I appreciate your help.</p>
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    1. PTQuestion
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    1. USsabrams
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      1. POIssue getting variable to pass from Controller Action to Mailer template in Ruby on Rails
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      1. VTUpMod
    1. COhave you ever used a debugger before? if you have put it in your controller action and see if there's anything coming in params[:email][:message]
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      1. USMandeep
    2. COJust to add to that, use raise params.inspect in the controller.
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      1. USShaun Frost Duke Jackson
    3. COI have not used a debugger before, but the raise params.inspect did show that the params[:email][:message] still contained my text. I was able to follow it through and find the issue. Thanks!
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      1. USsabrams
 

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