DEV: Add fallback route with 404 error

app/controllers/scim_v2/errors_controller.rb

@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+require "scimitar"
+
+module Scim
+  class ScimV2::ErrorsController < Scimitar::ApplicationController
+    protect_from_forgery with: :null_session
+
+    # We check for the plugin here manually as we do not inherit from Discourse's ApplicationController
+    # and do not have access to requires_plugin
+    before_action do
+      if plugin = Discourse.plugins_by_name[DiscourseScim::PLUGIN_NAME]
+        raise PluginDisabled.new if !plugin.enabled?
+      elsif Rails.env.test?
+        raise "Required plugin '#{DiscourseScim::PLUGIN_NAME}' not found. The string passed to requires_plugin should match the plugin's name at the top of plugin.rb"
+      else
+        Rails.logger.warn("Required plugin '#{DiscourseScim::PLUGIN_NAME}' not found")
+      end
+    end
+
+    def not_found
+      handle_scim_error(Scimitar::NotFoundError.new(params["path"]))
+    end
+  end
+end

app/controllers/scim_v2/groups_controller.rb

@@ -25,7 +25,7 @@ module Scim
       end
 
       def storage_scope
-          Group.all # Or e.g. "User.where(is_deleted: false)" - whatever base scope you require
+          Group.all
       end
   end
 end

app/controllers/scim_v2/users_controller.rb

@@ -25,7 +25,7 @@ module Scim
       end
 
       def storage_scope
-        User.all # Or e.g. "User.where(is_deleted: false)" - whatever base scope you require
+        User.all
       end
   end
 end

config/routes.rb

@@ -20,7 +20,6 @@ Discourse::Application.routes.draw {
     patch  'Groups/:id', to: 'groups#update'
     delete 'Groups/:id', to: 'groups#destroy'
 
-    # TODO: Add catchall that sends a not available
-    #get '*unmatched_route', to: 'application#raise_not_found!'
+    get '*path', to: 'errors#not_found'
   end
 }