lemmy-ui/src/shared/components/community.tsx
2020-12-23 20:58:27 -05:00

547 lines
16 KiB
TypeScript

import { Component, linkEvent } from 'inferno';
import { Subscription } from 'rxjs';
import { DataType, InitialFetchRequest } from '../interfaces';
import {
UserOperation,
GetCommunityResponse,
CommunityResponse,
SortType,
PostView,
GetPosts,
GetCommunity,
ListingType,
GetPostsResponse,
PostResponse,
AddModToCommunityResponse,
BanFromCommunityResponse,
CommentView,
GetComments,
GetCommentsResponse,
CommentResponse,
GetSiteResponse,
Category,
ListCategoriesResponse,
} from 'lemmy-js-client';
import { UserService, WebSocketService } from '../services';
import { PostListings } from './post-listings';
import { CommentNodes } from './comment-nodes';
import { HtmlTags } from './html-tags';
import { SortSelect } from './sort-select';
import { DataTypeSelect } from './data-type-select';
import { Sidebar } from './sidebar';
import { CommunityLink } from './community-link';
import { BannerIconHeader } from './banner-icon-header';
import {
wsJsonToRes,
fetchLimit,
toast,
getPageFromProps,
getSortTypeFromProps,
getDataTypeFromProps,
editCommentRes,
saveCommentRes,
createCommentLikeRes,
createPostLikeFindRes,
editPostFindRes,
commentsToFlatNodes,
setupTippy,
notifyPost,
setIsoData,
wsSubscribe,
isBrowser,
communityRSSUrl,
wsUserOp,
} from '../utils';
import { i18n } from '../i18next';
interface State {
communityRes: GetCommunityResponse;
siteRes: GetSiteResponse;
communityId: number;
communityName: string;
communityLoading: boolean;
postsLoading: boolean;
commentsLoading: boolean;
posts: PostView[];
comments: CommentView[];
dataType: DataType;
sort: SortType;
page: number;
categories: Category[];
}
interface CommunityProps {
dataType: DataType;
sort: SortType;
page: number;
}
interface UrlParams {
dataType?: string;
sort?: SortType;
page?: number;
}
export class Community extends Component<any, State> {
private isoData = setIsoData(this.context);
private subscription: Subscription;
private emptyState: State = {
communityRes: undefined,
communityId: Number(this.props.match.params.id),
communityName: this.props.match.params.name,
communityLoading: true,
postsLoading: true,
commentsLoading: true,
posts: [],
comments: [],
dataType: getDataTypeFromProps(this.props),
sort: getSortTypeFromProps(this.props),
page: getPageFromProps(this.props),
siteRes: this.isoData.site_res,
categories: [],
};
constructor(props: any, context: any) {
super(props, context);
this.state = this.emptyState;
this.handleSortChange = this.handleSortChange.bind(this);
this.handleDataTypeChange = this.handleDataTypeChange.bind(this);
this.parseMessage = this.parseMessage.bind(this);
this.subscription = wsSubscribe(this.parseMessage);
// Only fetch the data if coming from another route
if (this.isoData.path == this.context.router.route.match.url) {
this.state.communityRes = this.isoData.routeData[0];
if (this.state.dataType == DataType.Post) {
this.state.posts = this.isoData.routeData[1].posts;
} else {
this.state.comments = this.isoData.routeData[1].comments;
}
this.state.categories = this.isoData.routeData[2].categories;
this.state.communityLoading = false;
this.state.postsLoading = false;
this.state.commentsLoading = false;
} else {
this.fetchCommunity();
this.fetchData();
WebSocketService.Instance.client.listCategories();
}
setupTippy();
}
fetchCommunity() {
let form: GetCommunity = {
id: this.state.communityId ? this.state.communityId : null,
name: this.state.communityName ? this.state.communityName : null,
auth: UserService.Instance.authField(false),
};
WebSocketService.Instance.client.getCommunity(form);
}
componentWillUnmount() {
if (isBrowser()) {
this.subscription.unsubscribe();
window.isoData.path = undefined;
}
}
static getDerivedStateFromProps(props: any): CommunityProps {
return {
dataType: getDataTypeFromProps(props),
sort: getSortTypeFromProps(props),
page: getPageFromProps(props),
};
}
static fetchInitialData(req: InitialFetchRequest): Promise<any>[] {
let pathSplit = req.path.split('/');
let promises: Promise<any>[] = [];
// It can be /c/main, or /c/1
let idOrName = pathSplit[2];
let id: number;
let name_: string;
if (isNaN(Number(idOrName))) {
name_ = idOrName;
} else {
id = Number(idOrName);
}
let communityForm: GetCommunity = id ? { id } : { name: name_ };
communityForm.auth = req.auth;
promises.push(req.client.getCommunity(communityForm));
let dataType: DataType = pathSplit[4]
? DataType[pathSplit[4]]
: DataType.Post;
let sort: SortType = pathSplit[6]
? SortType[pathSplit[6]]
: UserService.Instance.user
? Object.values(SortType)[UserService.Instance.user.default_sort_type]
: SortType.Active;
let page = pathSplit[8] ? Number(pathSplit[8]) : 1;
if (dataType == DataType.Post) {
let getPostsForm: GetPosts = {
page,
limit: fetchLimit,
sort,
type_: ListingType.Community,
auth: req.auth,
};
this.setIdOrName(getPostsForm, id, name_);
promises.push(req.client.getPosts(getPostsForm));
} else {
let getCommentsForm: GetComments = {
page,
limit: fetchLimit,
sort,
type_: ListingType.Community,
auth: req.auth,
};
this.setIdOrName(getCommentsForm, id, name_);
promises.push(req.client.getComments(getCommentsForm));
}
promises.push(req.client.listCategories());
return promises;
}
static setIdOrName(obj: any, id: number, name_: string) {
if (id) {
obj.community_id = id;
} else {
obj.community_name = name_;
}
}
componentDidUpdate(_: any, lastState: State) {
if (
lastState.dataType !== this.state.dataType ||
lastState.sort !== this.state.sort ||
lastState.page !== this.state.page
) {
this.setState({ postsLoading: true, commentsLoading: true });
this.fetchData();
}
}
get documentTitle(): string {
return `${this.state.communityRes.community_view.community.title} - ${this.state.siteRes.site_view.site.name}`;
}
render() {
let cv = this.state.communityRes.community_view;
return (
<div class="container">
{this.state.communityLoading ? (
<h5>
<svg class="icon icon-spinner spin">
<use xlinkHref="#icon-spinner"></use>
</svg>
</h5>
) : (
<div class="row">
<div class="col-12 col-md-8">
<HtmlTags
title={this.documentTitle}
path={this.context.router.route.match.url}
description={cv.community.description}
image={cv.community.icon}
/>
{this.communityInfo()}
{this.selects()}
{this.listings()}
{this.paginator()}
</div>
<div class="col-12 col-md-4">
<Sidebar
community_view={cv}
moderators={this.state.communityRes.moderators}
admins={this.state.siteRes.admins}
online={this.state.communityRes.online}
enableNsfw={this.state.siteRes.site_view.site.enable_nsfw}
categories={this.state.categories}
/>
</div>
</div>
)}
</div>
);
}
listings() {
let site = this.state.siteRes.site_view.site;
return this.state.dataType == DataType.Post ? (
this.state.postsLoading ? (
<h5>
<svg class="icon icon-spinner spin">
<use xlinkHref="#icon-spinner"></use>
</svg>
</h5>
) : (
<PostListings
posts={this.state.posts}
removeDuplicates
sort={this.state.sort}
enableDownvotes={site.enable_downvotes}
enableNsfw={site.enable_nsfw}
/>
)
) : this.state.commentsLoading ? (
<h5>
<svg class="icon icon-spinner spin">
<use xlinkHref="#icon-spinner"></use>
</svg>
</h5>
) : (
<CommentNodes
nodes={commentsToFlatNodes(this.state.comments)}
noIndent
sortType={this.state.sort}
showContext
enableDownvotes={site.enable_downvotes}
/>
);
}
communityInfo() {
let community = this.state.communityRes.community_view.community;
return (
<div>
<BannerIconHeader banner={community.banner} icon={community.icon} />
<h5 class="mb-0">{community.title}</h5>
<CommunityLink
community={community}
realLink
useApubName
muted
hideAvatar
/>
<hr />
</div>
);
}
selects() {
return (
<div class="mb-3">
<span class="mr-3">
<DataTypeSelect
type_={this.state.dataType}
onChange={this.handleDataTypeChange}
/>
</span>
<span class="mr-2">
<SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
</span>
<a
href={communityRSSUrl(
this.state.communityRes.community_view.community.actor_id,
this.state.sort
)}
target="_blank"
title="RSS"
rel="noopener"
>
<svg class="icon text-muted small">
<use xlinkHref="#icon-rss">#</use>
</svg>
</a>
</div>
);
}
paginator() {
return (
<div class="my-2">
{this.state.page > 1 && (
<button
class="btn btn-secondary mr-1"
onClick={linkEvent(this, this.prevPage)}
>
{i18n.t('prev')}
</button>
)}
{this.state.posts.length > 0 && (
<button
class="btn btn-secondary"
onClick={linkEvent(this, this.nextPage)}
>
{i18n.t('next')}
</button>
)}
</div>
);
}
nextPage(i: Community) {
i.updateUrl({ page: i.state.page + 1 });
window.scrollTo(0, 0);
}
prevPage(i: Community) {
i.updateUrl({ page: i.state.page - 1 });
window.scrollTo(0, 0);
}
handleSortChange(val: SortType) {
this.updateUrl({ sort: val, page: 1 });
window.scrollTo(0, 0);
}
handleDataTypeChange(val: DataType) {
this.updateUrl({ dataType: DataType[val], page: 1 });
window.scrollTo(0, 0);
}
updateUrl(paramUpdates: UrlParams) {
const dataTypeStr = paramUpdates.dataType || DataType[this.state.dataType];
const sortStr = paramUpdates.sort || this.state.sort;
const page = paramUpdates.page || this.state.page;
this.props.history.push(
`/c/${this.state.communityRes.community_view.community.name}/data_type/${dataTypeStr}/sort/${sortStr}/page/${page}`
);
}
fetchData() {
if (this.state.dataType == DataType.Post) {
let form: GetPosts = {
page: this.state.page,
limit: fetchLimit,
sort: this.state.sort,
type_: ListingType.Community,
community_id: this.state.communityId,
community_name: this.state.communityName,
auth: UserService.Instance.authField(false),
};
WebSocketService.Instance.client.getPosts(form);
} else {
let form: GetComments = {
page: this.state.page,
limit: fetchLimit,
sort: this.state.sort,
type_: ListingType.Community,
community_id: this.state.communityId,
community_name: this.state.communityName,
auth: UserService.Instance.authField(false),
};
WebSocketService.Instance.client.getComments(form);
}
}
parseMessage(msg: any) {
let op = wsUserOp(msg);
if (msg.error) {
toast(i18n.t(msg.error), 'danger');
this.context.router.history.push('/');
return;
} else if (msg.reconnect) {
WebSocketService.Instance.client.communityJoin({
community_id: this.state.communityRes.community_view.community.id,
});
this.fetchData();
} else if (op == UserOperation.GetCommunity) {
let data = wsJsonToRes<GetCommunityResponse>(msg).data;
this.state.communityRes = data;
this.state.communityLoading = false;
this.setState(this.state);
// TODO why is there no auth in this form?
WebSocketService.Instance.client.communityJoin({
community_id: data.community_view.community.id,
});
} else if (
op == UserOperation.EditCommunity ||
op == UserOperation.DeleteCommunity ||
op == UserOperation.RemoveCommunity
) {
let data = wsJsonToRes<CommunityResponse>(msg).data;
this.state.communityRes.community_view = data.community_view;
this.setState(this.state);
} else if (op == UserOperation.FollowCommunity) {
let data = wsJsonToRes<CommunityResponse>(msg).data;
this.state.communityRes.community_view.subscribed =
data.community_view.subscribed;
this.state.communityRes.community_view.counts.subscribers =
data.community_view.counts.subscribers;
this.setState(this.state);
} else if (op == UserOperation.GetPosts) {
let data = wsJsonToRes<GetPostsResponse>(msg).data;
this.state.posts = data.posts;
this.state.postsLoading = false;
this.setState(this.state);
setupTippy();
} else if (
op == UserOperation.EditPost ||
op == UserOperation.DeletePost ||
op == UserOperation.RemovePost ||
op == UserOperation.LockPost ||
op == UserOperation.StickyPost ||
op == UserOperation.SavePost
) {
let data = wsJsonToRes<PostResponse>(msg).data;
editPostFindRes(data.post_view, this.state.posts);
this.setState(this.state);
} else if (op == UserOperation.CreatePost) {
let data = wsJsonToRes<PostResponse>(msg).data;
this.state.posts.unshift(data.post_view);
notifyPost(data.post_view, this.context.router);
this.setState(this.state);
} else if (op == UserOperation.CreatePostLike) {
let data = wsJsonToRes<PostResponse>(msg).data;
createPostLikeFindRes(data.post_view, this.state.posts);
this.setState(this.state);
} else if (op == UserOperation.AddModToCommunity) {
let data = wsJsonToRes<AddModToCommunityResponse>(msg).data;
this.state.communityRes.moderators = data.moderators;
this.setState(this.state);
} else if (op == UserOperation.BanFromCommunity) {
let data = wsJsonToRes<BanFromCommunityResponse>(msg).data;
// TODO this might be incorrect
this.state.posts
.filter(p => p.creator.id == data.user_view.user.id)
.forEach(p => (p.creator_banned_from_community = data.banned));
this.setState(this.state);
} else if (op == UserOperation.GetComments) {
let data = wsJsonToRes<GetCommentsResponse>(msg).data;
this.state.comments = data.comments;
this.state.commentsLoading = false;
this.setState(this.state);
} else if (
op == UserOperation.EditComment ||
op == UserOperation.DeleteComment ||
op == UserOperation.RemoveComment
) {
let data = wsJsonToRes<CommentResponse>(msg).data;
editCommentRes(data.comment_view, this.state.comments);
this.setState(this.state);
} else if (op == UserOperation.CreateComment) {
let data = wsJsonToRes<CommentResponse>(msg).data;
// Necessary since it might be a user reply
if (data.recipient_ids.length == 0) {
this.state.comments.unshift(data.comment_view);
this.setState(this.state);
}
} else if (op == UserOperation.SaveComment) {
let data = wsJsonToRes<CommentResponse>(msg).data;
saveCommentRes(data.comment_view, this.state.comments);
this.setState(this.state);
} else if (op == UserOperation.CreateCommentLike) {
let data = wsJsonToRes<CommentResponse>(msg).data;
createCommentLikeRes(data.comment_view, this.state.comments);
this.setState(this.state);
} else if (op == UserOperation.ListCategories) {
let data = wsJsonToRes<ListCategoriesResponse>(msg).data;
this.state.categories = data.categories;
this.setState(this.state);
}
}
}