Use CreateService when an admin creates a new gpg key for a user

app/services/gpg_keys/create_service.rb

@@ -2,6 +2,14 @@
 
 module GpgKeys
   class CreateService < Keys::BaseService
+    attr_accessor :current_user
+
+    def initialize(current_user, params = {})
+      @current_user, @params = current_user, params
+      @ip_address = @params.delete(:ip_address)
+      @user = params.delete(:user) || current_user
+    end
+
     def execute
       key = user.gpg_keys.create(params)
       notification_service.new_gpg_key(key) if key.persisted?

lib/api/users.rb

@@ -328,9 +328,9 @@ module API
         user = User.find_by(id: params.delete(:id))
         not_found!('User') unless user
 
-        key = user.gpg_keys.new(declared_params(include_missing: false))
+        key = ::GpgKeys::CreateService.new(current_user, declared_params(include_missing: false).merge(user: user)).execute
 
-        if key.save
+        if key.persisted?
           present key, with: Entities::GpgKey
         else
           render_validation_error!(key)