How can I redirect a user’s home (root) path based on their role using Devise?

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Your routes.rb file won’t have any idea what role the user has, so you won’t be able to use it to assign specific root routes.

What you can do is set up a controller (for example, passthrough_controller.rb) which in turn can read the role and redirect. Something like this:

# passthrough_controller.rb
class PassthroughController < ApplicationController
  def index
    path = case current_user.role
      when 'project_manager'
        some_path
      when 'client'
        some_other_path
      else
        # If you want to raise an exception or have a default root for users without roles
    end

    redirect_to path     
  end
end

# routes.rb
root :to => 'passthrough#index'

This way, all users will have one point of entry, which in turn redirects them to the appropriate controller/action depending on their role.

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