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|
import {makeAutoObservable} from 'mobx'
import {
AppBskyFeedPost as FeedPost,
AppBskyFeedDefs,
RichText,
} from '@atproto/api'
import {RootStoreModel} from '../root-store'
import {PostLabelInfo, PostModeration} from 'lib/labeling/types'
import {PostsFeedItemModel} from '../feeds/post'
type PostView = AppBskyFeedDefs.PostView
// NOTE: this model uses the same data as PostsFeedItemModel, but is used for
// rendering a single post in a thread view, and has additional state
// for rendering the thread view, but calls the same data methods
// as PostsFeedItemModel
// TODO: refactor as an extension or subclass of PostsFeedItemModel
export class PostThreadItemModel {
// ui state
_reactKey: string = ''
_depth = 0
_isHighlightedPost = false
_showParentReplyLine = false
_showChildReplyLine = false
_hasMore = false
// data
data: PostsFeedItemModel
post: PostView
postRecord?: FeedPost.Record
richText?: RichText
parent?:
| PostThreadItemModel
| AppBskyFeedDefs.NotFoundPost
| AppBskyFeedDefs.BlockedPost
replies?: (PostThreadItemModel | AppBskyFeedDefs.NotFoundPost)[]
constructor(
public rootStore: RootStoreModel,
v: AppBskyFeedDefs.ThreadViewPost,
) {
this._reactKey = `thread-${v.post.uri}`
this.data = new PostsFeedItemModel(rootStore, this._reactKey, v)
this.post = this.data.post
this.postRecord = this.data.postRecord
this.richText = this.data.richText
// replies and parent are handled via assignTreeModels
makeAutoObservable(this, {rootStore: false})
}
get uri() {
return this.post.uri
}
get parentUri() {
return this.postRecord?.reply?.parent.uri
}
get rootUri(): string {
if (this.postRecord?.reply?.root.uri) {
return this.postRecord.reply.root.uri
}
return this.post.uri
}
get isThreadMuted() {
return this.data.isThreadMuted
}
get labelInfo(): PostLabelInfo {
return this.data.labelInfo
}
get moderation(): PostModeration {
return this.data.moderation
}
assignTreeModels(
v: AppBskyFeedDefs.ThreadViewPost,
highlightedPostUri: string,
includeParent = true,
includeChildren = true,
) {
// parents
if (includeParent && v.parent) {
if (AppBskyFeedDefs.isThreadViewPost(v.parent)) {
const parentModel = new PostThreadItemModel(this.rootStore, v.parent)
parentModel._depth = this._depth - 1
parentModel._showChildReplyLine = true
if (v.parent.parent) {
parentModel._showParentReplyLine = true
parentModel.assignTreeModels(
v.parent,
highlightedPostUri,
true,
false,
)
}
this.parent = parentModel
} else if (AppBskyFeedDefs.isNotFoundPost(v.parent)) {
this.parent = v.parent
} else if (AppBskyFeedDefs.isBlockedPost(v.parent)) {
this.parent = v.parent
}
}
// replies
if (includeChildren && v.replies) {
const replies = []
for (const item of v.replies) {
if (AppBskyFeedDefs.isThreadViewPost(item)) {
const itemModel = new PostThreadItemModel(this.rootStore, item)
itemModel._depth = this._depth + 1
itemModel._showParentReplyLine =
itemModel.parentUri !== highlightedPostUri && replies.length === 0
if (item.replies?.length) {
itemModel._showChildReplyLine = true
itemModel.assignTreeModels(item, highlightedPostUri, false, true)
}
replies.push(itemModel)
} else if (AppBskyFeedDefs.isNotFoundPost(item)) {
replies.push(item)
}
}
this.replies = replies
}
}
async toggleLike() {
this.data.toggleLike()
}
async toggleRepost() {
this.data.toggleRepost()
}
async toggleThreadMute() {
this.data.toggleThreadMute()
}
async delete() {
this.data.delete()
}
}
|
