protocal.ipldsch

type List struct {
    version Version
    subLists nullable [&List]
    posts nullable [&Post]
}
type Post struct {
    version Version
    update RFC3339
    channel nullable string
    history [&Content] #Includes first.
    content &Content
    operations [Operation]
}

type Content enum {
    | ImageContent
    | VideoContent
    | AudioContent
}
type ImageContent struct {
    version Version
    mime RFC6838
    image Link
}
type VideoContent struct {
    version Version
    mime RFC6381
    video Link
}
type AudioContent struct {
    version Version
    mime RFC6381
    audio Link
}
type Operation enum {
    | LikeOperation
}
type LikeOperation struct {
    # Operation must have the`value` field to provide display information and feedback field to privde feedback information 
    # If Operation doesn't need to provide information, Set value to null
    # If Operation doesn't need to privide feedback, Set feedback to null
    version Version
    value int
    feedback LikeFeedBack
}
type LikeFeedBack struct {
    like GenericLikeFeedBack
    revokeLike GenericLikeFeedBack
}
type GenericLikeFeedBack struct {
    type LikeFeedBackType
    content &Content
}

type LikeFeedBackType enum{
    | Like
    | RevokeLike
}

type RFC3339 representation struct

type Version struct {
    name string
    version float
} representation stringjoin {
    join "/"
}