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import {makeAutoObservable, runInAction} from 'mobx'
import {AdxUri} from '../../third-party/uri'
import * as GetLikedBy from '../../third-party/api/src/types/todo/social/getLikedBy'
import {RootStoreModel} from './root-store'
type LikedByItem = GetLikedBy.OutputSchema['likedBy'][number]
export class LikedByViewItemModel implements LikedByItem {
// ui state
_reactKey: string = ''
// data
did: string = ''
name: string = ''
displayName: string = ''
createdAt?: string
indexedAt: string = ''
constructor(reactKey: string, v: LikedByItem) {
makeAutoObservable(this)
this._reactKey = reactKey
Object.assign(this, v)
}
}
export class LikedByViewModel {
// state
isLoading = false
isRefreshing = false
hasLoaded = false
error = ''
resolvedUri = ''
params: GetLikedBy.QueryParams
// data
uri: string = ''
likedBy: LikedByViewItemModel[] = []
constructor(
public rootStore: RootStoreModel,
params: GetLikedBy.QueryParams,
) {
makeAutoObservable(
this,
{
rootStore: false,
params: false,
},
{autoBind: true},
)
this.params = params
}
get hasContent() {
return this.uri !== ''
}
get hasError() {
return this.error !== ''
}
get isEmpty() {
return this.hasLoaded && !this.hasContent
}
// public api
// =
async setup() {
if (!this.resolvedUri) {
await this._resolveUri()
}
await this._fetch()
}
async refresh() {
await this._fetch(true)
}
async loadMore() {
// TODO
}
// state transitions
// =
private _xLoading(isRefreshing = false) {
this.isLoading = true
this.isRefreshing = isRefreshing
this.error = ''
}
private _xIdle(err: string = '') {
this.isLoading = false
this.isRefreshing = false
this.hasLoaded = true
this.error = err
}
// loader functions
// =
private async _resolveUri() {
const urip = new AdxUri(this.params.uri)
if (!urip.host.startsWith('did:')) {
urip.host = await this.rootStore.resolveName(urip.host)
}
runInAction(() => {
this.resolvedUri = urip.toString()
})
}
private async _fetch(isRefreshing = false) {
this._xLoading(isRefreshing)
await new Promise(r => setTimeout(r, 250)) // DEBUG
try {
const res = await this.rootStore.api.todo.social.getLikedBy(
Object.assign({}, this.params, {uri: this.resolvedUri}),
)
this._replaceAll(res)
this._xIdle()
} catch (e: any) {
this._xIdle(`Failed to load feed: ${e.toString()}`)
}
}
private _replaceAll(res: GetLikedBy.Response) {
this.likedBy.length = 0
let counter = 0
for (const item of res.data.likedBy) {
this._append(counter++, item)
}
}
private _append(keyId: number, item: LikedByItem) {
this.likedBy.push(new LikedByViewItemModel(`item-${keyId}`, item))
}
}
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