115 lines
2.3 KiB
TypeScript
115 lines
2.3 KiB
TypeScript
import {makeAutoObservable} from 'mobx'
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import * as GetFollowers from '../../third-party/api/src/client/types/app/bsky/graph/getFollowers'
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import {RootStoreModel} from './root-store'
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type Subject = GetFollowers.OutputSchema['subject']
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export type FollowerItem = GetFollowers.OutputSchema['followers'][number] & {
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_reactKey: string
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}
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export class UserFollowersViewModel {
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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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params: GetFollowers.QueryParams
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// data
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subject: Subject = {
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did: '',
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handle: '',
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displayName: '',
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declaration: {cid: '', actorType: ''},
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}
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followers: FollowerItem[] = []
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constructor(
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public rootStore: RootStoreModel,
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params: GetFollowers.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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params: false,
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},
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{autoBind: true},
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)
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this.params = params
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}
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get hasContent() {
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return this.subject.did !== ''
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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 setup() {
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await this._fetch()
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}
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async refresh() {
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await this._fetch(true)
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}
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async loadMore() {
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// TODO
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}
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// state transitions
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// =
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private _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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private _xIdle(err: string = '') {
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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 = err
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}
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// loader functions
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// =
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private async _fetch(isRefreshing = false) {
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this._xLoading(isRefreshing)
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try {
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const res = await this.rootStore.api.app.bsky.graph.getFollowers(
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this.params,
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)
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this._replaceAll(res)
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this._xIdle()
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} catch (e: any) {
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this._xIdle(`Failed to load feed: ${e.toString()}`)
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}
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}
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private _replaceAll(res: GetFollowers.Response) {
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this.subject.did = res.data.subject.did
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this.subject.handle = res.data.subject.handle
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this.subject.displayName = res.data.subject.displayName
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this.followers.length = 0
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let counter = 0
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for (const item of res.data.followers) {
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this._append({_reactKey: `item-${counter++}`, ...item})
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}
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}
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private _append(item: FollowerItem) {
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this.followers.push(item)
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}
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}
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