lemmy/ui/src/components/search.tsx

534 lines
14 KiB
TypeScript
Vendored

import { Component, linkEvent } from 'inferno';
import { Helmet } from 'inferno-helmet';
import { Subscription } from 'rxjs';
import { retryWhen, delay, take } from 'rxjs/operators';
import {
UserOperation,
Post,
Comment,
Community,
UserView,
SortType,
SearchForm,
SearchResponse,
SearchType,
PostResponse,
CommentResponse,
WebSocketJsonResponse,
GetSiteResponse,
Site,
} from '../interfaces';
import { WebSocketService } from '../services';
import {
wsJsonToRes,
fetchLimit,
routeSearchTypeToEnum,
routeSortTypeToEnum,
toast,
createCommentLikeRes,
createPostLikeFindRes,
commentsToFlatNodes,
getPageFromProps,
} from '../utils';
import { PostListing } from './post-listing';
import { UserListing } from './user-listing';
import { CommunityLink } from './community-link';
import { SortSelect } from './sort-select';
import { CommentNodes } from './comment-nodes';
import { i18n } from '../i18next';
interface SearchState {
q: string;
type_: SearchType;
sort: SortType;
page: number;
searchResponse: SearchResponse;
loading: boolean;
site: Site;
searchText: string;
}
interface SearchProps {
q: string;
type_: SearchType;
sort: SortType;
page: number;
}
interface UrlParams {
q?: string;
type_?: string;
sort?: string;
page?: number;
}
export class Search extends Component<any, SearchState> {
private subscription: Subscription;
private emptyState: SearchState = {
q: Search.getSearchQueryFromProps(this.props),
type_: Search.getSearchTypeFromProps(this.props),
sort: Search.getSortTypeFromProps(this.props),
page: getPageFromProps(this.props),
searchText: Search.getSearchQueryFromProps(this.props),
searchResponse: {
type_: null,
posts: [],
comments: [],
communities: [],
users: [],
},
loading: false,
site: {
id: undefined,
name: undefined,
creator_id: undefined,
published: undefined,
creator_name: undefined,
number_of_users: undefined,
number_of_posts: undefined,
number_of_comments: undefined,
number_of_communities: undefined,
enable_downvotes: undefined,
open_registration: undefined,
enable_nsfw: undefined,
},
};
static getSearchQueryFromProps(props: any): string {
return props.match.params.q ? props.match.params.q : '';
}
static getSearchTypeFromProps(props: any): SearchType {
return props.match.params.type
? routeSearchTypeToEnum(props.match.params.type)
: SearchType.All;
}
static getSortTypeFromProps(props: any): SortType {
return props.match.params.sort
? routeSortTypeToEnum(props.match.params.sort)
: SortType.TopAll;
}
constructor(props: any, context: any) {
super(props, context);
this.state = this.emptyState;
this.handleSortChange = this.handleSortChange.bind(this);
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')
);
WebSocketService.Instance.getSite();
if (this.state.q) {
this.search();
}
}
componentWillUnmount() {
this.subscription.unsubscribe();
}
static getDerivedStateFromProps(props: any): SearchProps {
return {
q: Search.getSearchQueryFromProps(props),
type_: Search.getSearchTypeFromProps(props),
sort: Search.getSortTypeFromProps(props),
page: getPageFromProps(props),
};
}
componentDidUpdate(_: any, lastState: SearchState) {
if (
lastState.q !== this.state.q ||
lastState.type_ !== this.state.type_ ||
lastState.sort !== this.state.sort ||
lastState.page !== this.state.page
) {
this.setState({ loading: true, searchText: this.state.q });
this.search();
}
}
get documentTitle(): string {
if (this.state.site.name) {
if (this.state.q) {
return `${i18n.t('search')} - ${this.state.q} - ${
this.state.site.name
}`;
} else {
return `${i18n.t('search')} - ${this.state.site.name}`;
}
} else {
return 'Lemmy';
}
}
render() {
return (
<div class="container">
<Helmet title={this.documentTitle} />
<h5>{i18n.t('search')}</h5>
{this.selects()}
{this.searchForm()}
{this.state.type_ == SearchType.All && this.all()}
{this.state.type_ == SearchType.Comments && this.comments()}
{this.state.type_ == SearchType.Posts && this.posts()}
{this.state.type_ == SearchType.Communities && this.communities()}
{this.state.type_ == SearchType.Users && this.users()}
{this.resultsCount() == 0 && <span>{i18n.t('no_results')}</span>}
{this.paginator()}
</div>
);
}
searchForm() {
return (
<form
class="form-inline"
onSubmit={linkEvent(this, this.handleSearchSubmit)}
>
<input
type="text"
class="form-control mr-2 mb-2"
value={this.state.searchText}
placeholder={`${i18n.t('search')}...`}
onInput={linkEvent(this, this.handleQChange)}
required
minLength={3}
/>
<button type="submit" class="btn btn-secondary mr-2 mb-2">
{this.state.loading ? (
<svg class="icon icon-spinner spin">
<use xlinkHref="#icon-spinner"></use>
</svg>
) : (
<span>{i18n.t('search')}</span>
)}
</button>
</form>
);
}
selects() {
return (
<div className="mb-2">
<select
value={this.state.type_}
onChange={linkEvent(this, this.handleTypeChange)}
class="custom-select w-auto mb-2"
>
<option disabled>{i18n.t('type')}</option>
<option value={SearchType.All}>{i18n.t('all')}</option>
<option value={SearchType.Comments}>{i18n.t('comments')}</option>
<option value={SearchType.Posts}>{i18n.t('posts')}</option>
<option value={SearchType.Communities}>
{i18n.t('communities')}
</option>
<option value={SearchType.Users}>{i18n.t('users')}</option>
</select>
<span class="ml-2">
<SortSelect
sort={this.state.sort}
onChange={this.handleSortChange}
hideHot
/>
</span>
</div>
);
}
all() {
let combined: Array<{
type_: string;
data: Comment | Post | Community | UserView;
}> = [];
let comments = this.state.searchResponse.comments.map(e => {
return { type_: 'comments', data: e };
});
let posts = this.state.searchResponse.posts.map(e => {
return { type_: 'posts', data: e };
});
let communities = this.state.searchResponse.communities.map(e => {
return { type_: 'communities', data: e };
});
let users = this.state.searchResponse.users.map(e => {
return { type_: 'users', data: e };
});
combined.push(...comments);
combined.push(...posts);
combined.push(...communities);
combined.push(...users);
// Sort it
if (this.state.sort == SortType.New) {
combined.sort((a, b) => b.data.published.localeCompare(a.data.published));
} else {
combined.sort(
(a, b) =>
((b.data as Comment | Post).score |
(b.data as Community).number_of_subscribers |
(b.data as UserView).comment_score) -
((a.data as Comment | Post).score |
(a.data as Community).number_of_subscribers |
(a.data as UserView).comment_score)
);
}
return (
<div>
{combined.map(i => (
<div class="row">
<div class="col-12">
{i.type_ == 'posts' && (
<PostListing
post={i.data as Post}
showCommunity
enableDownvotes={this.state.site.enable_downvotes}
enableNsfw={this.state.site.enable_nsfw}
/>
)}
{i.type_ == 'comments' && (
<CommentNodes
nodes={[{ comment: i.data as Comment }]}
locked
noIndent
enableDownvotes={this.state.site.enable_downvotes}
/>
)}
{i.type_ == 'communities' && (
<div>{this.communityListing(i.data as Community)}</div>
)}
{i.type_ == 'users' && (
<div>
<span>
@
<UserListing
user={{
name: (i.data as UserView).name,
avatar: (i.data as UserView).avatar,
}}
/>
</span>
<span>{` - ${i18n.t('number_of_comments', {
count: (i.data as UserView).number_of_comments,
})}`}</span>
</div>
)}
</div>
</div>
))}
</div>
);
}
comments() {
return (
<CommentNodes
nodes={commentsToFlatNodes(this.state.searchResponse.comments)}
locked
noIndent
enableDownvotes={this.state.site.enable_downvotes}
/>
);
}
posts() {
return (
<>
{this.state.searchResponse.posts.map(post => (
<div class="row">
<div class="col-12">
<PostListing
post={post}
showCommunity
enableDownvotes={this.state.site.enable_downvotes}
enableNsfw={this.state.site.enable_nsfw}
/>
</div>
</div>
))}
</>
);
}
// Todo possibly create UserListing and CommunityListing
communities() {
return (
<>
{this.state.searchResponse.communities.map(community => (
<div class="row">
<div class="col-12">{this.communityListing(community)}</div>
</div>
))}
</>
);
}
communityListing(community: Community) {
return (
<>
<span>
<CommunityLink community={community} />
</span>
<span>{` - ${community.title} -
${i18n.t('number_of_subscribers', {
count: community.number_of_subscribers,
})}
`}</span>
</>
);
}
users() {
return (
<>
{this.state.searchResponse.users.map(user => (
<div class="row">
<div class="col-12">
<span>
@
<UserListing
user={{
name: user.name,
avatar: user.avatar,
}}
/>
</span>
<span>{` - ${i18n.t('number_of_comments', {
count: user.number_of_comments,
})}`}</span>
</div>
</div>
))}
</>
);
}
paginator() {
return (
<div class="mt-2">
{this.state.page > 1 && (
<button
class="btn btn-secondary mr-1"
onClick={linkEvent(this, this.prevPage)}
>
{i18n.t('prev')}
</button>
)}
{this.resultsCount() > 0 && (
<button
class="btn btn-secondary"
onClick={linkEvent(this, this.nextPage)}
>
{i18n.t('next')}
</button>
)}
</div>
);
}
resultsCount(): number {
let res = this.state.searchResponse;
return (
res.posts.length +
res.comments.length +
res.communities.length +
res.users.length
);
}
nextPage(i: Search) {
i.updateUrl({ page: i.state.page + 1 });
}
prevPage(i: Search) {
i.updateUrl({ page: i.state.page - 1 });
}
search() {
let form: SearchForm = {
q: this.state.q,
type_: SearchType[this.state.type_],
sort: SortType[this.state.sort],
page: this.state.page,
limit: fetchLimit,
};
if (this.state.q != '') {
WebSocketService.Instance.search(form);
}
}
handleSortChange(val: SortType) {
this.updateUrl({ sort: SortType[val].toLowerCase(), page: 1 });
}
handleTypeChange(i: Search, event: any) {
i.updateUrl({
type_: SearchType[Number(event.target.value)].toLowerCase(),
page: 1,
});
}
handleSearchSubmit(i: Search, event: any) {
event.preventDefault();
i.updateUrl({
q: i.state.searchText,
type_: SearchType[i.state.type_].toLowerCase(),
sort: SortType[i.state.sort].toLowerCase(),
page: i.state.page,
});
}
handleQChange(i: Search, event: any) {
i.setState({ searchText: event.target.value });
}
updateUrl(paramUpdates: UrlParams) {
const qStr = paramUpdates.q || this.state.q;
const typeStr =
paramUpdates.type_ || SearchType[this.state.type_].toLowerCase();
const sortStr =
paramUpdates.sort || SortType[this.state.sort].toLowerCase();
const page = paramUpdates.page || this.state.page;
this.props.history.push(
`/search/q/${qStr}/type/${typeStr}/sort/${sortStr}/page/${page}`
);
}
parseMessage(msg: WebSocketJsonResponse) {
console.log(msg);
let res = wsJsonToRes(msg);
if (msg.error) {
toast(i18n.t(msg.error), 'danger');
return;
} else if (res.op == UserOperation.Search) {
let data = res.data as SearchResponse;
this.state.searchResponse = data;
this.state.loading = false;
window.scrollTo(0, 0);
this.setState(this.state);
} else if (res.op == UserOperation.CreateCommentLike) {
let data = res.data as CommentResponse;
createCommentLikeRes(data, this.state.searchResponse.comments);
this.setState(this.state);
} else if (res.op == UserOperation.CreatePostLike) {
let data = res.data as PostResponse;
createPostLikeFindRes(data, this.state.searchResponse.posts);
this.setState(this.state);
} else if (res.op == UserOperation.GetSite) {
let data = res.data as GetSiteResponse;
this.state.site = data.site;
this.setState(this.state);
}
}
}