sending multiple parameters on checkbox submit rails

Question

I'm having trouble getting multiple parameters to be submitted when I use a checkbox submit. How would I send both parameters?

I have two items in each row in a table, the columns are "product revenue" and "product title" and I use a check box on each row to select it and then on submit I'd like to send both of these values to the controller. I can get one item working, but wasn't able to figure out how to send the second item as well I tried using a hidden field, but I couldn't get that working.

View Code

<%= form_tag add_multiple_path, method: :post do %>
    <%= check_box_tag 'price_test_datum[product_title][]', p.dimensions[0] %>
    <% hidden_field_tag('price_test_datum[product_price][]', p.metrics[0].values[0]) %>
    <%= submit_tag "Add selected" %>
<% end %>

Controller Code (only for one item at the moment since both params aren't being sent)

def add_multiple
params[:price_test_datum][:product_title].each {|p| PriceTestDatum.create(product_title: p) }
 respond_to do |format|
  format.html { redirect_to price_test_data_path }
  format.json { head :no_content }
 end
end

Parameters sent: {"utf8"=>"✓", "authenticity_token"=>"token here", "price_test_datum"=> {"product_title"=>["Widget 1", "Widget 2"]}, "commit"=>"Add selected"}

Check out that <% before your hidden_field_tag. It seems lonely for an =. — jvillian
– jvillian, Commented Jun 30, 2017 at 20:28
Thanks for the comment. When I use the <%= the hidden field shows up in params sent, but for some reason it dumps all the values in the column for product revenue? — ByteMe
– ByteMe, Commented Jun 30, 2017 at 20:32
That's really a separate question, isn't it? Accept this one and ask a new one and I'll take a look at it. — jvillian
– jvillian, Commented Jun 30, 2017 at 20:44
I accepted your answer, I'll have to wait about an hour before I can post another question however. Thanks — ByteMe
– ByteMe, Commented Jun 30, 2017 at 20:48
Sure thing. Also, when you post, please provide detail about what's in your p variable (where you say p.metrics[0].values[0]). — jvillian
– jvillian, Commented Jun 30, 2017 at 20:56

jvillian · Accepted Answer · 2017-06-30 20:43:52Z

0

To your original question (before your correction), you're missing an = here:

<% hidden_field_tag('price_test_datum[product_price][]', p.metrics[0].values[0]) %>

It should be:

<%= hidden_field_tag('price_test_datum[product_price][]', p.metrics[0].values[0]) %>

answered Jun 30, 2017 at 20:43

jvillian

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