in new invitations try changing
<%= check_box_tag 'user_ids[]', user.id %>
to
<%= check_box_tag 'user_ids', user.id %>
On Tuesday, October 13, 2015 at 1:46:28 PM UTC-7, Prkl8r wrote:
>
> I am trying to pass parameters from an "Events" controller, to an
> "Invitations" controller and from the Invitations#new to the
> Invitations#create views. I think I'm pretty close to getting this wrapped
> up bit keep getting: "param is missing or the value is empty: " errors when
> I run it.
>
>
> In order to pass the event.id from the Event#show view I am doing the
> following through the "Invite Guests" link.
>
>
> events/show.html.erb
>
> <% @user.owned_events.each do |e| %><ul><li><%= e.name %> | <%= link_to
> "Invite Guests", invitations_new_path(:event_select => e.id) %></li>
>
>
>
> That should pass the current event selected as event_select.
>
> I am then using that event id as well as all of the user ids(minus the
> current_user) to create a list of possible invitees.
>
>
> invitations_controller.rb:
>
> class InvitationsController < ApplicationController
> helper_method :current_user
>
> def new@event_selected = Event.find(params[:event_select])@users =
> User.where("id != ?", current_user.id )end
> def create@invitation = Invitation.new(invite_params)end
>
> private
> def invite_params
> params.require(:attended_event_id => params[:event_selected], :attendee_id =>
> params[:user_ids].first )
> end
> end
>
>
>
> My view showing the list of users and after selecting a checkbox, should
> pass the event_selected and user_ids.
>
>
> invitations/new.html.erb
>
> <h3>Invite users to <%= @event_selected.name %></h3>
> <%= bootstrap_form_for Invitation.new do |f| %><br>
> <ul>
> <% @users.each do |user| %>
> <li>
> <%= hidden_field_tag :event_selected, @event_selected.id %>
> <%= check_box_tag 'user_ids[]', user.id %>
> <%= h user.name %>
> </li>
> <% end %>
> </ul><br><%= submit_tag "Invite Selected Users" %><% end %>
>
>
> I am trying to get this to work to select just a single user at a time
> before moving to create multiple objects from the selected event combined
> with all the results in the user_id array. When I select a single user I
> keep getting the missing param error but looking at the hash, it seems like
> everything is there.
>
> param is missing or the value is empty: {:attended_event_id=>"14",
> :attendee_id=>"3"}
>
> Parameters:
>
> {"utf8"=>"✓",
>
> "authenticity_token"=>"GMMg9DwnTRAw4qP/ICqgACUB4d42Pl9Y7hrrNQzO38K8inbgyM00H2etrepjrT35hwIenHfwQPQW08V6QnHl1A==",
> "event_selected"=>"14",
> "user_ids"=>["3"],
> "commit"=>"Invite Selected Users"}
>
>
> Pretty new at this coding thing but this is the first problem I haven't
> been able to solve through a lot stackoverflow searches. I seem to be
> missing something here and I'm sure it's just a simple thing. Then again I
> could be completely missing the mark trying to go about this without
> following a bit more guided path...
>
>
>
>
>
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