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|
import {makeAutoObservable} from 'mobx'
import {
AppBskyFeedPost as FeedPost,
AppBskyFeedDefs,
RichText,
moderatePost,
PostModeration,
} from '@atproto/api'
import {RootStoreModel} from '../root-store'
import {updateDataOptimistically} from 'lib/async/revertible'
import {track} from 'lib/analytics/analytics'
import {hackAddDeletedEmbed} from 'lib/api/hack-add-deleted-embed'
type FeedViewPost = AppBskyFeedDefs.FeedViewPost
type ReasonRepost = AppBskyFeedDefs.ReasonRepost
type PostView = AppBskyFeedDefs.PostView
export class PostsFeedItemModel {
// ui state
_reactKey: string = ''
// data
post: PostView
postRecord?: FeedPost.Record
reply?: FeedViewPost['reply']
reason?: FeedViewPost['reason']
richText?: RichText
constructor(
public rootStore: RootStoreModel,
reactKey: string,
v: FeedViewPost,
) {
this._reactKey = reactKey
this.post = v.post
if (FeedPost.isRecord(this.post.record)) {
const valid = FeedPost.validateRecord(this.post.record)
if (valid.success) {
hackAddDeletedEmbed(this.post)
this.postRecord = this.post.record
this.richText = new RichText(this.postRecord, {cleanNewlines: true})
} else {
this.postRecord = undefined
this.richText = undefined
rootStore.log.warn(
'Received an invalid app.bsky.feed.post record',
valid.error,
)
}
} else {
this.postRecord = undefined
this.richText = undefined
rootStore.log.warn(
'app.bsky.feed.getTimeline or app.bsky.feed.getAuthorFeed served an unexpected record type',
this.post.record,
)
}
this.reply = v.reply
this.reason = v.reason
makeAutoObservable(this, {rootStore: false})
}
get uri() {
return this.post.uri
}
get parentUri() {
return this.postRecord?.reply?.parent.uri
}
get rootUri(): string {
if (typeof this.postRecord?.reply?.root.uri === 'string') {
return this.postRecord?.reply?.root.uri
}
return this.post.uri
}
get isThreadMuted() {
return this.rootStore.mutedThreads.uris.has(this.rootUri)
}
get moderation(): PostModeration {
return moderatePost(this.post, this.rootStore.preferences.moderationOpts)
}
copy(v: FeedViewPost) {
this.post = v.post
this.reply = v.reply
this.reason = v.reason
}
copyMetrics(v: FeedViewPost) {
this.post.replyCount = v.post.replyCount
this.post.repostCount = v.post.repostCount
this.post.likeCount = v.post.likeCount
this.post.viewer = v.post.viewer
}
get reasonRepost(): ReasonRepost | undefined {
if (this.reason?.$type === 'app.bsky.feed.defs#reasonRepost') {
return this.reason as ReasonRepost
}
}
async toggleLike() {
this.post.viewer = this.post.viewer || {}
try {
if (this.post.viewer.like) {
// unlike
const url = this.post.viewer.like
await updateDataOptimistically(
this.post,
() => {
this.post.likeCount = (this.post.likeCount || 0) - 1
this.post.viewer!.like = undefined
},
() => this.rootStore.agent.deleteLike(url),
)
} else {
// like
await updateDataOptimistically(
this.post,
() => {
this.post.likeCount = (this.post.likeCount || 0) + 1
this.post.viewer!.like = 'pending'
},
() => this.rootStore.agent.like(this.post.uri, this.post.cid),
res => {
this.post.viewer!.like = res.uri
},
)
}
} catch (error) {
this.rootStore.log.error('Failed to toggle like', error)
} finally {
track(this.post.viewer.like ? 'Post:Unlike' : 'Post:Like')
}
}
async toggleRepost() {
this.post.viewer = this.post.viewer || {}
try {
if (this.post.viewer?.repost) {
const url = this.post.viewer.repost
await updateDataOptimistically(
this.post,
() => {
this.post.repostCount = (this.post.repostCount || 0) - 1
this.post.viewer!.repost = undefined
},
() => this.rootStore.agent.deleteRepost(url),
)
} else {
await updateDataOptimistically(
this.post,
() => {
this.post.repostCount = (this.post.repostCount || 0) + 1
this.post.viewer!.repost = 'pending'
},
() => this.rootStore.agent.repost(this.post.uri, this.post.cid),
res => {
this.post.viewer!.repost = res.uri
},
)
}
} catch (error) {
this.rootStore.log.error('Failed to toggle repost', error)
} finally {
track(this.post.viewer.repost ? 'Post:Unrepost' : 'Post:Repost')
}
}
async toggleThreadMute() {
try {
if (this.isThreadMuted) {
this.rootStore.mutedThreads.uris.delete(this.rootUri)
} else {
this.rootStore.mutedThreads.uris.add(this.rootUri)
}
} catch (error) {
this.rootStore.log.error('Failed to toggle thread mute', error)
} finally {
track(this.isThreadMuted ? 'Post:ThreadUnmute' : 'Post:ThreadMute')
}
}
async delete() {
try {
await this.rootStore.agent.deletePost(this.post.uri)
this.rootStore.emitPostDeleted(this.post.uri)
} catch (error) {
this.rootStore.log.error('Failed to delete post', error)
} finally {
track('Post:Delete')
}
}
}
|
