bsky-app/src/state/models/post.ts
2022-11-15 12:07:41 -06:00

102 lines
2 KiB
TypeScript

import {makeAutoObservable} from 'mobx'
import * as Post from '../../third-party/api/src/client/types/app/bsky/feed/post'
import {AtUri} from '../../third-party/uri'
import {RootStoreModel} from './root-store'
import {cleanError} from '../../view/lib/strings'
export type PostEntities = Post.Record['entities']
export type PostReply = Post.Record['reply']
type RemoveIndex<T> = {
[P in keyof T as string extends P
? never
: number extends P
? never
: P]: T[P]
}
export class PostModel implements RemoveIndex<Post.Record> {
// state
isLoading = false
hasLoaded = false
error = ''
uri: string = ''
// data
text: string = ''
entities?: PostEntities
reply?: PostReply
createdAt: string = ''
constructor(public rootStore: RootStoreModel, uri: string) {
makeAutoObservable(
this,
{
rootStore: false,
uri: false,
},
{autoBind: true},
)
this.uri = uri
}
get hasContent() {
return this.createdAt !== ''
}
get hasError() {
return this.error !== ''
}
get isEmpty() {
return this.hasLoaded && !this.hasContent
}
// public api
// =
async setup() {
await this._load()
}
// state transitions
// =
private _xLoading() {
this.isLoading = true
this.error = ''
}
private _xIdle(err: string = '') {
this.isLoading = false
this.hasLoaded = true
this.error = cleanError(err)
}
// loader functions
// =
private async _load() {
this._xLoading()
try {
const urip = new AtUri(this.uri)
const res = await this.rootStore.api.app.bsky.feed.post.get({
user: urip.host,
rkey: urip.rkey,
})
// TODO
// if (!res.valid) {
// throw new Error(res.error)
// }
this._replaceAll(res.value)
this._xIdle()
} catch (e: any) {
this._xIdle(e.toString())
}
}
private _replaceAll(res: Post.Record) {
this.text = res.text
this.entities = res.entities
this.reply = res.reply
this.createdAt = res.createdAt
}
}