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import {AppBskyFeedDefs} from '@atproto/api'
import {makeAutoObservable, runInAction} from 'mobx'
import {RootStoreModel} from 'state/models/root-store'
import {sanitizeDisplayName} from 'lib/strings/display-names'
import {updateDataOptimistically} from 'lib/async/revertible'
export class CustomFeedModel {
// data
_reactKey: string
data: AppBskyFeedDefs.GeneratorView
isOnline: boolean
isValid: boolean
constructor(
public rootStore: RootStoreModel,
view: AppBskyFeedDefs.GeneratorView,
isOnline?: boolean,
isValid?: boolean,
) {
this._reactKey = view.uri
this.data = view
this.isOnline = isOnline ?? true
this.isValid = isValid ?? true
makeAutoObservable(
this,
{
rootStore: false,
},
{autoBind: true},
)
}
// local actions
// =
get uri() {
return this.data.uri
}
get displayName() {
if (this.data.displayName) {
return sanitizeDisplayName(this.data.displayName)
}
return `Feed by @${this.data.creator.handle}`
}
get isSaved() {
return this.rootStore.preferences.savedFeeds.includes(this.uri)
}
get isLiked() {
return this.data.viewer?.like
}
// public apis
// =
async save() {
await this.rootStore.preferences.addSavedFeed(this.uri)
}
async unsave() {
await this.rootStore.preferences.removeSavedFeed(this.uri)
}
async like() {
try {
await updateDataOptimistically(
this.data,
() => {
this.data.viewer = this.data.viewer || {}
this.data.viewer.like = 'pending'
this.data.likeCount = (this.data.likeCount || 0) + 1
},
() => this.rootStore.agent.like(this.data.uri, this.data.cid),
res => {
this.data.viewer = this.data.viewer || {}
this.data.viewer.like = res.uri
},
)
} catch (e: any) {
this.rootStore.log.error('Failed to like feed', e)
}
}
async unlike() {
if (!this.data.viewer?.like) {
return
}
try {
const likeUri = this.data.viewer.like
await updateDataOptimistically(
this.data,
() => {
this.data.viewer = this.data.viewer || {}
this.data.viewer.like = undefined
this.data.likeCount = (this.data.likeCount || 1) - 1
},
() => this.rootStore.agent.deleteLike(likeUri),
)
} catch (e: any) {
this.rootStore.log.error('Failed to unlike feed', e)
}
}
async reload() {
const res = await this.rootStore.agent.app.bsky.feed.getFeedGenerator({
feed: this.data.uri,
})
runInAction(() => {
this.data = res.data.view
this.isOnline = res.data.isOnline
this.isValid = res.data.isValid
})
}
serialize() {
return JSON.stringify(this.data)
}
}
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