139 lines
4.2 KiB
TypeScript
139 lines
4.2 KiB
TypeScript
import { Component, linkEvent } from 'inferno';
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import { Subscription } from "rxjs";
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import { retryWhen, delay, take } from 'rxjs/operators';
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import { PostForm, Post, PostResponse, UserOperation, Community, ListCommunitiesResponse } from '../interfaces';
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import { WebSocketService, UserService } from '../services';
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import { msgOp } from '../utils';
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interface State {
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postForm: PostForm;
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communities: Array<Community>;
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}
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export class CreatePost extends Component<any, State> {
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private subscription: Subscription;
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private emptyState: State = {
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postForm: {
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name: null,
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auth: null,
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community_id: null
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},
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communities: []
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}
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constructor(props, context) {
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super(props, context);
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this.state = this.emptyState;
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this.subscription = WebSocketService.Instance.subject
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.pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
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.subscribe(
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(msg) => this.parseMessage(msg),
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(err) => console.error(err),
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() => console.log('complete')
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);
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WebSocketService.Instance.listCommunities();
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}
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componentWillUnmount() {
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this.subscription.unsubscribe();
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}
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render() {
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return (
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<div class="container">
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<div class="row">
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<div class="col-12 col-lg-6 mb-4">
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{this.postForm()}
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</div>
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</div>
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</div>
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)
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}
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postForm() {
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return (
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<div>
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<form onSubmit={linkEvent(this, this.handlePostSubmit)}>
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<h3>Create a Post</h3>
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<div class="form-group row">
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<label class="col-sm-2 col-form-label">URL</label>
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<div class="col-sm-10">
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<input type="url" class="form-control" value={this.state.postForm.url} onInput={linkEvent(this, this.handlePostUrlChange)} />
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</div>
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</div>
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<div class="form-group row">
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<label class="col-sm-2 col-form-label">Title</label>
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<div class="col-sm-10">
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<textarea value={this.state.postForm.name} onInput={linkEvent(this, this.handlePostNameChange)} class="form-control" required rows="3" />
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</div>
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</div>
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<div class="form-group row">
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<label class="col-sm-2 col-form-label">Body</label>
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<div class="col-sm-10">
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<textarea value={this.state.postForm.body} onInput={linkEvent(this, this.handlePostBodyChange)} class="form-control" rows="6" />
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</div>
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</div>
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<div class="form-group row">
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<label class="col-sm-2 col-form-label">Forum</label>
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<div class="col-sm-10">
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<select class="form-control" value={this.state.postForm.community_id} onInput={linkEvent(this, this.handlePostCommunityChange)}>
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{this.state.communities.map(community =>
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<option value={community.id}>{community.name}</option>
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)}
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</select>
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</div>
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</div>
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<div class="form-group row">
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<div class="col-sm-10">
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<button type="submit" class="btn btn-secondary">Create Post</button>
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</div>
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</div>
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</form>
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</div>
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);
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}
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handlePostSubmit(i: CreatePost, event) {
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event.preventDefault();
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WebSocketService.Instance.createPost(i.state.postForm);
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}
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handlePostUrlChange(i: CreatePost, event) {
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i.state.postForm.url = event.target.value;
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}
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handlePostNameChange(i: CreatePost, event) {
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i.state.postForm.name = event.target.value;
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}
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handlePostBodyChange(i: CreatePost, event) {
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i.state.postForm.body = event.target.value;
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}
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handlePostCommunityChange(i: CreatePost, event) {
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i.state.postForm.community_id = Number(event.target.value);
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}
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parseMessage(msg: any) {
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console.log(msg);
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let op: UserOperation = msgOp(msg);
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if (msg.error) {
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alert(msg.error);
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return;
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} else if (op == UserOperation.ListCommunities) {
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let res: ListCommunitiesResponse = msg;
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this.state.communities = res.communities;
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this.state.postForm.community_id = res.communities[0].id; // TODO set it to the default community
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this.setState(this.state);
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} else if (op == UserOperation.CreatePost) {
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let res: PostResponse = msg;
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this.props.history.push(`/post/${res.post.id}`);
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}
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}
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}
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