120 lines
2.4 KiB
TypeScript
120 lines
2.4 KiB
TypeScript
import {makeAutoObservable} from 'mobx'
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import {AppBskyFeedGetActorFeeds as GetActorFeeds} from '@atproto/api'
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import {RootStoreModel} from '../root-store'
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import {bundleAsync} from 'lib/async/bundle'
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import {cleanError} from 'lib/strings/errors'
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import {CustomFeedModel} from '../feeds/custom-feed'
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const PAGE_SIZE = 30
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export class ActorFeedsModel {
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// state
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isLoading = false
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isRefreshing = false
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hasLoaded = false
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error = ''
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hasMore = true
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loadMoreCursor?: string
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// data
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feeds: CustomFeedModel[] = []
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constructor(
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public rootStore: RootStoreModel,
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public params: GetActorFeeds.QueryParams,
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) {
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makeAutoObservable(
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this,
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{
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rootStore: false,
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},
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{autoBind: true},
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)
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}
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get hasContent() {
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return this.feeds.length > 0
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}
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get hasError() {
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return this.error !== ''
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}
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get isEmpty() {
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return this.hasLoaded && !this.hasContent
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}
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// public api
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// =
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async refresh() {
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return this.loadMore(true)
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}
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clear() {
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this.isLoading = false
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this.isRefreshing = false
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this.hasLoaded = false
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this.error = ''
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this.hasMore = true
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this.loadMoreCursor = undefined
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this.feeds = []
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}
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loadMore = bundleAsync(async (replace: boolean = false) => {
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if (!replace && !this.hasMore) {
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return
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}
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this._xLoading(replace)
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try {
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const res = await this.rootStore.agent.app.bsky.feed.getActorFeeds({
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actor: this.params.actor,
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limit: PAGE_SIZE,
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cursor: replace ? undefined : this.loadMoreCursor,
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})
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if (replace) {
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this._replaceAll(res)
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} else {
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this._appendAll(res)
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}
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this._xIdle()
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} catch (e: any) {
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this._xIdle(e)
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}
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})
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// state transitions
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// =
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_xLoading(isRefreshing = false) {
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this.isLoading = true
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this.isRefreshing = isRefreshing
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this.error = ''
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}
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_xIdle(err?: any) {
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this.isLoading = false
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this.isRefreshing = false
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this.hasLoaded = true
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this.error = cleanError(err)
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if (err) {
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this.rootStore.log.error('Failed to fetch user followers', err)
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}
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}
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// helper functions
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// =
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_replaceAll(res: GetActorFeeds.Response) {
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this.feeds = []
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this._appendAll(res)
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}
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_appendAll(res: GetActorFeeds.Response) {
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this.loadMoreCursor = res.data.cursor
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this.hasMore = !!this.loadMoreCursor
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for (const f of res.data.feeds) {
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this.feeds.push(new CustomFeedModel(this.rootStore, f))
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}
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}
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}
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