如何在permit + Rails中合并嵌套属性

Question

params.require(:task).permit(:summary, comments_attributes: [:id, :content])

我想在comments_attributes中添加user_id和project_id。

user_id    = current_user.id
project_id = project.id

我尝试了下面但没有工作

params.require(:task).permit(:summary, comments_attributes: [:id, :content]).merge(user_id: current_user.id, comments_attributes: [user_id: current_user.id, project_id: project.id])

请帮助我我该怎么做？

Answer 1

你将不得不使用deep_merge

params.require(:task).permit(:summary, comments_attributes: [:id, :content]).deep_merge(user_id: current_user.id, comments_attributes: [user_id: current_user.id, project_id: project.id])