You need to take the redirect_to out of the about_us action, and instead
just set an instance variable that has the comments that you want to
display.
# app/controllers/pages_controller.rb
class Pages < ApplicationController
def about_us
@comments = Comment.all
end
end
Then all you need to do is render the comments page.
# app/views/pages/about_us.html.erb
<%= render 'comments/index' %>
# app/views/comments/index.html.erb
<%= for comment in @comments %>
...
However, really you should put the part of the comments/index.html.erb
that is shared with about_us.html.erb into a partial, so that both views
can use the same code.
# app/views/comments/_all_comments.html.erb
<%= for comment in comments %>
...
'comments' is a local variable here, so you need to define this variable
when you call the 'render' method.
# app/views/pages/about_us.html.erb
<%= render 'comments/all_comments', :comments => @comments %>
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