Allow user to remove openid

app/controllers/openids_controller.rb

@@ -0,0 +1,9 @@
+class OpenidsController < ApplicationController
+  load_and_authorize_resource :user
+  load_and_authorize_resource through: :user
+
+  def destroy
+    @openid.destroy
+    redirect_to :back
+  end
+end

app/models/ability.rb

@@ -100,6 +100,8 @@ class Ability
 
     # can manage the commercials of their own events
     can :manage, Commercial, commercialable_type: 'Event', commercialable_id: user.events.pluck(:id)
+
+    can [:destroy], Openid
   end
 
   # Abilities for signed in users with roles

app/views/devise/registrations/edit.html.haml

@@ -15,7 +15,11 @@
           %h4
             Currently the following openIDs are associated with your account
           - @openids.each do |openid|
-            %li= "#{openid.provider}:#{openid.email}"
+            %li{ style: "list-style: none; margin-left: 20px;" }
+              = link_to user_openid_path(openid, user_id: current_user.id), method: :delete,
+              data: { confirm: "Remove association with #{openid.provider} account?" } do
+                %span.fa.fa-times{ style: "color: red;" }
+              %span #{openid.provider}:#{openid.email}
             %br
           %h4
             To add an openID with a different email address to your account, sign in with your

config/routes.rb

@@ -15,7 +15,9 @@ Osem::Application.routes.draw do
     mount LetterOpenerWeb::Engine, at: "/letter_opener"
   end
 
-  resources :users, except: [:new, :index, :create, :destroy]
+  resources :users, except: [:new, :index, :create, :destroy] do
+    resources :openids, only: :destroy
+  end
 
   namespace :admin do
     resources :organizations