You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 

247 lines
7.8 KiB

import { Component, linkEvent } from 'inferno';
import { Subscription } from "rxjs";
import { retryWhen, delay, take } from 'rxjs/operators';
import { UserOperation, Community as CommunityI, GetCommunityResponse, CommunityResponse, CommunityUser, UserView, SortType, Post, GetPostsForm, ListingType, GetPostsResponse, CreatePostLikeResponse } from '../interfaces';
import { WebSocketService } from '../services';
import { PostListings } from './post-listings';
import { Sidebar } from './sidebar';
import { msgOp, routeSortTypeToEnum, fetchLimit, postRefetchSeconds } from '../utils';
import { T, i18n } from 'inferno-i18next';
interface State {
community: CommunityI;
communityId: number;
communityName: string;
moderators: Array<CommunityUser>;
admins: Array<UserView>;
loading: boolean;
posts: Array<Post>;
sort: SortType;
page: number;
}
export class Community extends Component<any, State> {
private subscription: Subscription;
private postFetcher: any;
private emptyState: State = {
community: {
id: null,
name: null,
title: null,
category_id: null,
category_name: null,
creator_id: null,
creator_name: null,
number_of_subscribers: null,
number_of_posts: null,
number_of_comments: null,
published: null,
removed: null,
nsfw: false,
deleted: null,
},
moderators: [],
admins: [],
communityId: Number(this.props.match.params.id),
communityName: this.props.match.params.name,
loading: true,
posts: [],
sort: this.getSortTypeFromProps(this.props),
page: this.getPageFromProps(this.props),
}
getSortTypeFromProps(props: any): SortType {
return (props.match.params.sort) ?
routeSortTypeToEnum(props.match.params.sort) :
SortType.Hot;
}
getPageFromProps(props: any): number {
return (props.match.params.page) ? Number(props.match.params.page) : 1;
}
constructor(props: any, context: any) {
super(props, context);
this.state = this.emptyState;
this.subscription = WebSocketService.Instance.subject
.pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
.subscribe(
(msg) => this.parseMessage(msg),
(err) => console.error(err),
() => console.log('complete')
);
if (this.state.communityId) {
WebSocketService.Instance.getCommunity(this.state.communityId);
} else if (this.state.communityName) {
WebSocketService.Instance.getCommunityByName(this.state.communityName);
}
this.keepFetchingPosts();
}
componentWillUnmount() {
this.subscription.unsubscribe();
clearInterval(this.postFetcher);
}
// Necessary for back button for some reason
componentWillReceiveProps(nextProps: any) {
if (nextProps.history.action == 'POP') {
this.state = this.emptyState;
this.state.sort = this.getSortTypeFromProps(nextProps);
this.state.page = this.getPageFromProps(nextProps);
this.fetchPosts();
}
}
render() {
return (
<div class="container">
{this.state.loading ?
<h5><svg class="icon icon-spinner spin"><use xlinkHref="#icon-spinner"></use></svg></h5> :
<div class="row">
<div class="col-12 col-md-8">
<h5>{this.state.community.title}
{this.state.community.removed &&
<small className="ml-2 text-muted font-italic"><T i18nKey="removed">#</T></small>
}
{this.state.community.nsfw &&
<small className="ml-2 text-muted font-italic"><T i18nKey="nsfw">#</T></small>
}
</h5>
{this.selects()}
<PostListings posts={this.state.posts} />
{this.paginator()}
</div>
<div class="col-12 col-md-4">
<Sidebar
community={this.state.community}
moderators={this.state.moderators}
admins={this.state.admins}
/>
</div>
</div>
}
</div>
)
}
selects() {
return (
<div className="mb-2">
<select value={this.state.sort} onChange={linkEvent(this, this.handleSortChange)} class="custom-select custom-select-sm w-auto">
<option disabled><T i18nKey="sort_type">#</T></option>
<option value={SortType.Hot}><T i18nKey="hot">#</T></option>
<option value={SortType.New}><T i18nKey="new">#</T></option>
<option disabled></option>
<option value={SortType.TopDay}><T i18nKey="top_day">#</T></option>
<option value={SortType.TopWeek}><T i18nKey="week">#</T></option>
<option value={SortType.TopMonth}><T i18nKey="month">#</T></option>
<option value={SortType.TopYear}><T i18nKey="year">#</T></option>
<option value={SortType.TopAll}><T i18nKey="all">#</T></option>
</select>
</div>
)
}
paginator() {
return (
<div class="my-2">
{this.state.page > 1 &&
<button class="btn btn-sm btn-secondary mr-1" onClick={linkEvent(this, this.prevPage)}><T i18nKey="prev">#</T></button>
}
<button class="btn btn-sm btn-secondary" onClick={linkEvent(this, this.nextPage)}><T i18nKey="next">#</T></button>
</div>
);
}
nextPage(i: Community) {
i.state.page++;
i.setState(i.state);
i.updateUrl();
i.fetchPosts();
window.scrollTo(0,0);
}
prevPage(i: Community) {
i.state.page--;
i.setState(i.state);
i.updateUrl();
i.fetchPosts();
window.scrollTo(0,0);
}
handleSortChange(i: Community, event: any) {
i.state.sort = Number(event.target.value);
i.state.page = 1;
i.setState(i.state);
i.updateUrl();
i.fetchPosts();
window.scrollTo(0,0);
}
updateUrl() {
let sortStr = SortType[this.state.sort].toLowerCase();
this.props.history.push(`/c/${this.state.community.name}/sort/${sortStr}/page/${this.state.page}`);
}
keepFetchingPosts() {
this.fetchPosts();
this.postFetcher = setInterval(() => this.fetchPosts(), postRefetchSeconds);
}
fetchPosts() {
let getPostsForm: GetPostsForm = {
page: this.state.page,
limit: fetchLimit,
sort: SortType[this.state.sort],
type_: ListingType[ListingType.Community],
community_id: this.state.community.id,
}
WebSocketService.Instance.getPosts(getPostsForm);
}
parseMessage(msg: any) {
console.log(msg);
let op: UserOperation = msgOp(msg);
if (msg.error) {
alert(i18n.t(msg.error));
return;
} else if (op == UserOperation.GetCommunity) {
let res: GetCommunityResponse = msg;
this.state.community = res.community;
this.state.moderators = res.moderators;
this.state.admins = res.admins;
document.title = `/c/${this.state.community.name} - ${WebSocketService.Instance.site.name}`;
this.setState(this.state);
this.fetchPosts();
} else if (op == UserOperation.EditCommunity) {
let res: CommunityResponse = msg;
this.state.community = res.community;
this.setState(this.state);
} else if (op == UserOperation.FollowCommunity) {
let res: CommunityResponse = msg;
this.state.community.subscribed = res.community.subscribed;
this.state.community.number_of_subscribers = res.community.number_of_subscribers;
this.setState(this.state);
} else if (op == UserOperation.GetPosts) {
let res: GetPostsResponse = msg;
this.state.posts = res.posts;
this.state.loading = false;
this.setState(this.state);
} else if (op == UserOperation.CreatePostLike) {
let res: CreatePostLikeResponse = msg;
let found = this.state.posts.find(c => c.id == res.post.id);
found.my_vote = res.post.my_vote;
found.score = res.post.score;
found.upvotes = res.post.upvotes;
found.downvotes = res.post.downvotes;
this.setState(this.state);
}
}
}