问题描述
在我的Rails 6 / Grape API应用程序中,我有一个序列化器,我只想包含活动旅程(活动,是指travel.is_deleted:false)。当前端点如下:
helpers do
def query
current_user.journey_progresses.joins(:journey).where('is_deleted',false)
end
end
get :journeys do
::journeys::EnrolledjourneysSerializer.new(
query,include: [:journey],class: { journey: ::journeys::journeyListSerializer },)
end
它包括所有旅程,无论它们是is_deleted: true
还是is_deleted: false
。我只想在is_deleted: false
中包含旅程,而不在序列化响应中显示已删除的旅程。
EnrolledjourneysSerializer
module journeys
class EnrolledjourneysSerializer
include FastJsonapi::ObjectSerializer
belongs_to :journey,serializer: journeyListSerializer
set_type :percent_progress
attributes :percent_progress,:started_at
end
end
journeyListSerializer
module journeys
class journeyListSerializer
include FastJsonapi::ObjectSerializer
attribute :content do |object|
object.content.dig('attributes')
end
end
end
在journey
模型上,与default_scope有什么不同吗?
解决方法
此行是错误的,需要更改为...
current_user
.journey_progresses
.joins(:journey)
.where(journeys: { is_deleted: false })