Rails: Dynamic Path Inside Partial

rails_dynamic_path_inside_partial.md

Rails: Dynamic Path Inside Partial

We have a _user partial that we want to render from two different resources, passing a collection. The only thing that needs to change in the partial is the path inside the link_to helper.

We can use self.send("path", object) inside link_to to achieve this.

groups/_user.html.erb

<%= link_to user.name, self.send("#{path}", object, user) %>

events/show.html.erb

<%= render partial: "groups/user",
  collection: @event.attendees, as: :user,
  locals: {
    object: @event,
    path:   "event_attendee_path"
  } %>

groups/show.html.erb

<%= render partial: "user",
  collection: @members, as: :user,
  locals: {
    object: @group,
    path:   "group_member_path"
  } %>