133 lines
2.9 KiB
TypeScript
133 lines
2.9 KiB
TypeScript
import {makeAutoObservable, runInAction} from 'mobx'
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import {RootStoreModel} from './root-store'
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import {UserFollowsViewModel, FollowItem} from './user-follows-view'
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import {GetAssertionsView} from './get-assertions-view'
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import {APP_BSKY_SYSTEM, APP_BSKY_GRAPH} from '../../third-party/api'
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export interface SuggestedInvitesViewParams {
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sceneDid: string
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}
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export class SuggestedInvitesView {
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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: SuggestedInvitesViewParams
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sceneAssertionsView: GetAssertionsView
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myFollowsView: UserFollowsViewModel
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// data
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suggestions: FollowItem[] = []
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constructor(
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public rootStore: RootStoreModel,
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params: SuggestedInvitesViewParams,
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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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this.sceneAssertionsView = new GetAssertionsView(rootStore, {
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author: params.sceneDid,
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assertion: APP_BSKY_GRAPH.AssertMember,
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})
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this.myFollowsView = new UserFollowsViewModel(rootStore, {
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user: rootStore.me.did || '',
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})
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}
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get hasContent() {
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return this.suggestions.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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get unconfirmed() {
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return this.sceneAssertionsView.unconfirmed
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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(false)
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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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// TODO need to fetch all!
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await this.sceneAssertionsView.setup()
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} catch (e) {
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console.error(e)
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this._xIdle(
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'Failed to fetch the current scene members. Check your internet connection and try again.',
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)
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return
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}
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try {
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await this.myFollowsView.setup()
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} catch (e) {
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console.error(e)
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this._xIdle(
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'Failed to fetch the your current followers. Check your internet connection and try again.',
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)
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return
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}
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// collect all followed users that arent already in the scene
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const newSuggestions: FollowItem[] = []
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for (const follow of this.myFollowsView.follows) {
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if (follow.declaration.actorType !== APP_BSKY_SYSTEM.ActorUser) {
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continue
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}
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if (!this.sceneAssertionsView.getBySubject(follow.did)) {
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newSuggestions.push(follow)
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}
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}
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runInAction(() => {
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this.suggestions = newSuggestions
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})
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this._xIdle()
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}
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}
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