Feat: Data "reset" button (#1913)

* feat: Allow admins to delete family data

* feat: Allow self-hosting users to delete cached data

* Remove system tests

app/controllers/users_controller.rb

@@ -1,5 +1,6 @@
 class UsersController < ApplicationController
   before_action :set_user
+  before_action :ensure_admin, only: :reset
 
   def update
     @user = Current.user
@@ -26,6 +27,11 @@ class UsersController < ApplicationController
     end
   end
 
+  def reset
+    FamilyResetJob.perform_later(Current.family)
+    redirect_to settings_profile_path, notice: t(".success")
+  end
+
   def destroy
     if @user.deactivate
       Current.session.destroy
@@ -68,4 +74,8 @@ class UsersController < ApplicationController
     def set_user
       @user = Current.user
     end
+
+    def ensure_admin
+      redirect_to settings_profile_path, alert: I18n.t("users.reset.unauthorized") unless Current.user.admin?
+    end
 end