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import {AtUri, RichText, AppBskyFeedDefs, AppBskyGraphDefs} from '@atproto/api'
import {makeAutoObservable, runInAction} from 'mobx'
import {RootStoreModel} from 'state/models/root-store'
import {sanitizeDisplayName} from 'lib/strings/display-names'
import {sanitizeHandle} from 'lib/strings/handles'
import {bundleAsync} from 'lib/async/bundle'
import {cleanError} from 'lib/strings/errors'
import {track} from 'lib/analytics/analytics'
import {logger} from '#/logger'
export class FeedSourceModel {
// state
_reactKey: string
hasLoaded = false
error: string | undefined
// data
uri: string
cid: string = ''
type: 'feed-generator' | 'list' | 'unsupported' = 'unsupported'
avatar: string | undefined = ''
displayName: string = ''
descriptionRT: RichText | null = null
creatorDid: string = ''
creatorHandle: string = ''
likeCount: number | undefined = 0
likeUri: string | undefined = ''
constructor(public rootStore: RootStoreModel, uri: string) {
this._reactKey = uri
this.uri = uri
try {
const urip = new AtUri(uri)
if (urip.collection === 'app.bsky.feed.generator') {
this.type = 'feed-generator'
} else if (urip.collection === 'app.bsky.graph.list') {
this.type = 'list'
}
} catch {}
this.displayName = uri.split('/').pop() || ''
makeAutoObservable(
this,
{
rootStore: false,
},
{autoBind: true},
)
}
get href() {
const urip = new AtUri(this.uri)
const collection =
urip.collection === 'app.bsky.feed.generator' ? 'feed' : 'lists'
return `/profile/${urip.hostname}/${collection}/${urip.rkey}`
}
get isSaved() {
return this.rootStore.preferences.savedFeeds.includes(this.uri)
}
get isPinned() {
return this.rootStore.preferences.isPinnedFeed(this.uri)
}
get isLiked() {
return !!this.likeUri
}
get isOwner() {
return this.creatorDid === this.rootStore.me.did
}
setup = bundleAsync(async () => {
try {
if (this.type === 'feed-generator') {
const res = await this.rootStore.agent.app.bsky.feed.getFeedGenerator({
feed: this.uri,
})
this.hydrateFeedGenerator(res.data.view)
} else if (this.type === 'list') {
const res = await this.rootStore.agent.app.bsky.graph.getList({
list: this.uri,
limit: 1,
})
this.hydrateList(res.data.list)
}
} catch (e) {
runInAction(() => {
this.error = cleanError(e)
})
}
})
hydrateFeedGenerator(view: AppBskyFeedDefs.GeneratorView) {
this.uri = view.uri
this.cid = view.cid
this.avatar = view.avatar
this.displayName = view.displayName
? sanitizeDisplayName(view.displayName)
: `Feed by ${sanitizeHandle(view.creator.handle, '@')}`
this.descriptionRT = new RichText({
text: view.description || '',
facets: (view.descriptionFacets || [])?.slice(),
})
this.creatorDid = view.creator.did
this.creatorHandle = view.creator.handle
this.likeCount = view.likeCount
this.likeUri = view.viewer?.like
this.hasLoaded = true
}
hydrateList(view: AppBskyGraphDefs.ListView) {
this.uri = view.uri
this.cid = view.cid
this.avatar = view.avatar
this.displayName = view.name
? sanitizeDisplayName(view.name)
: `User List by ${sanitizeHandle(view.creator.handle, '@')}`
this.descriptionRT = new RichText({
text: view.description || '',
facets: (view.descriptionFacets || [])?.slice(),
})
this.creatorDid = view.creator.did
this.creatorHandle = view.creator.handle
this.likeCount = undefined
this.hasLoaded = true
}
async save() {
if (this.type !== 'feed-generator') {
return
}
try {
await this.rootStore.preferences.addSavedFeed(this.uri)
} catch (error) {
logger.error('Failed to save feed', {error})
} finally {
track('CustomFeed:Save')
}
}
async unsave() {
// TODO TEMPORARY — see PRF's comment in content/list.ts togglePin
if (this.type !== 'feed-generator' && this.type !== 'list') {
return
}
try {
await this.rootStore.preferences.removeSavedFeed(this.uri)
} catch (error) {
logger.error('Failed to unsave feed', {error})
} finally {
track('CustomFeed:Unsave')
}
}
async pin() {
try {
await this.rootStore.preferences.addPinnedFeed(this.uri)
} catch (error) {
logger.error('Failed to pin feed', {error})
} finally {
track('CustomFeed:Pin', {
name: this.displayName,
uri: this.uri,
})
}
}
async togglePin() {
if (!this.isPinned) {
track('CustomFeed:Pin', {
name: this.displayName,
uri: this.uri,
})
return this.rootStore.preferences.addPinnedFeed(this.uri)
} else {
track('CustomFeed:Unpin', {
name: this.displayName,
uri: this.uri,
})
if (this.type === 'list') {
// TODO TEMPORARY — see PRF's comment in content/list.ts togglePin
return this.unsave()
} else {
return this.rootStore.preferences.removePinnedFeed(this.uri)
}
}
}
async like() {
if (this.type !== 'feed-generator') {
return
}
try {
this.likeUri = 'pending'
this.likeCount = (this.likeCount || 0) + 1
const res = await this.rootStore.agent.like(this.uri, this.cid)
this.likeUri = res.uri
} catch (e: any) {
this.likeUri = undefined
this.likeCount = (this.likeCount || 1) - 1
logger.error('Failed to like feed', {error: e})
} finally {
track('CustomFeed:Like')
}
}
async unlike() {
if (this.type !== 'feed-generator') {
return
}
if (!this.likeUri) {
return
}
const uri = this.likeUri
try {
this.likeUri = undefined
this.likeCount = (this.likeCount || 1) - 1
await this.rootStore.agent.deleteLike(uri!)
} catch (e: any) {
this.likeUri = uri
this.likeCount = (this.likeCount || 0) + 1
logger.error('Failed to unlike feed', {error: e})
} finally {
track('CustomFeed:Unlike')
}
}
}
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