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import { Component, linkEvent } from 'inferno';
import { Link } from 'inferno-router';
import { Subscription } from "rxjs";
import { retryWhen, delay, take } from 'rxjs/operators';
import { UserOperation, Post, Comment, Community, UserView, SortType, SearchForm, SearchResponse, SearchType } from '../interfaces';
import { WebSocketService } from '../services';
import { msgOp, fetchLimit, routeSearchTypeToEnum, routeSortTypeToEnum } from '../utils';
import { PostListing } from './post-listing';
import { CommentNodes } from './comment-nodes';
import { i18n } from '../i18next';
import { T } from 'inferno-i18next';
interface SearchState {
q: string,
type_: SearchType,
sort: SortType,
page: number,
searchResponse: SearchResponse;
loading: boolean;
}
export class Search extends Component<any, SearchState> {
private subscription: Subscription;
private emptyState: SearchState = {
q: this.getSearchQueryFromProps(this.props),
type_: this.getSearchTypeFromProps(this.props),
sort: this.getSortTypeFromProps(this.props),
page: this.getPageFromProps(this.props),
searchResponse: {
op: null,
type_: null,
posts: [],
comments: [],
communities: [],
users: [],
},
loading: false,
}
getSearchQueryFromProps(props: any): string {
return (props.match.params.q) ? props.match.params.q : '';
}
getSearchTypeFromProps(props: any): SearchType {
return (props.match.params.type) ?
routeSearchTypeToEnum(props.match.params.type) :
SearchType.All;
}
getSortTypeFromProps(props: any): SortType {
return (props.match.params.sort) ?
routeSortTypeToEnum(props.match.params.sort) :
SortType.TopAll;
}
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.q) {
this.search();
}
}
componentWillUnmount() {
this.subscription.unsubscribe();
}
// Necessary for back button for some reason
componentWillReceiveProps(nextProps: any) {
if (nextProps.history.action == 'POP' || nextProps.history.action == 'PUSH') {
this.state = this.emptyState;
this.state.q = this.getSearchQueryFromProps(nextProps);
this.state.type_ = this.getSearchTypeFromProps(nextProps);
this.state.sort = this.getSortTypeFromProps(nextProps);
this.state.page = this.getPageFromProps(nextProps);
this.setState(this.state);
this.search();
}
}
componentDidMount() {
document.title = `${i18n.t('search')} - ${WebSocketService.Instance.site.name}`;
}
render() {
return (
<div class="container">
<div class="row">
<div class="col-12">
<h5><T i18nKey="search">#</T></h5>
{this.selects()}
{this.searchForm()}
{this.state.type_ == SearchType.All &&
this.all()
}
{this.state.type_ == SearchType.Comments &&
this.comments()
}
{this.state.type_ == SearchType.Posts &&
this.posts()
}
{this.state.type_ == SearchType.Communities &&
this.communities()
}
{this.state.type_ == SearchType.Users &&
this.users()
}
{this.noResults()}
{this.paginator()}
</div>
</div>
</div>
)
}
searchForm() {
return (
<form class="form-inline" onSubmit={linkEvent(this, this.handleSearchSubmit)}>
<input type="text" class="form-control mr-2" value={this.state.q} placeholder={`${i18n.t('search')}...`} onInput={linkEvent(this, this.handleQChange)} required minLength={3} />
<button type="submit" class="btn btn-secondary mr-2">
{this.state.loading ?
<svg class="icon icon-spinner spin"><use xlinkHref="#icon-spinner"></use></svg> :
<span><T i18nKey="search">#</T></span>
}
</button>
</form>
)
}
selects() {
return (
<div className="mb-2">
<select value={this.state.type_} onChange={linkEvent(this, this.handleTypeChange)} class="custom-select custom-select-sm w-auto">
<option disabled><T i18nKey="type">#</T></option>
<option value={SearchType.All}><T i18nKey="all">#</T></option>
<option value={SearchType.Comments}><T i18nKey="comments">#</T></option>
<option value={SearchType.Posts}><T i18nKey="posts">#</T></option>
<option value={SearchType.Communities}><T i18nKey="communities">#</T></option>
<option value={SearchType.Users}><T i18nKey="users">#</T></option>
</select>
<select value={this.state.sort} onChange={linkEvent(this, this.handleSortChange)} class="custom-select custom-select-sm w-auto ml-2">
<option disabled><T i18nKey="sort_type">#</T></option>
<option value={SortType.New}><T i18nKey="new">#</T></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>
)
}
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>
{i.type_ == "posts" &&
<PostListing post={i.data as Post} showCommunity viewOnly />
}
{i.type_ == "comments" &&
<CommentNodes nodes={[{comment: i.data as Comment}]} viewOnly noIndent />
}
{i.type_ == "communities" &&
<div>
<span><Link to={`/c/${(i.data as Community).name}`}>{`/c/${(i.data as Community).name}`}</Link></span>
<span>{` - ${(i.data as Community).title} - ${(i.data as Community).number_of_subscribers} subscribers`}</span>
</div>
}
{i.type_ == "users" &&
<div>
<span><Link className="text-info" to={`/u/${(i.data as UserView).name}`}>{`/u/${(i.data as UserView).name}`}</Link></span>
<span>{` - ${(i.data as UserView).comment_score} comment karma`}</span>
</div>
}
</div>
)
}
</div>
)
}
comments() {
return (
<div>
{this.state.searchResponse.comments.map(comment =>
<CommentNodes nodes={[{comment: comment}]} noIndent viewOnly />
)}
</div>
);
}
posts() {
return (
<div>
{this.state.searchResponse.posts.map(post =>
<PostListing post={post} showCommunity viewOnly />
)}
</div>
);
}
// Todo possibly create UserListing and CommunityListing
communities() {
return (
<div>
{this.state.searchResponse.communities.map(community =>
<div>
<span><Link to={`/c/${community.name}`}>{`/c/${community.name}`}</Link></span>
<span>{` - ${community.title} - ${community.number_of_subscribers} subscribers`}</span>
</div>
)}
</div>
);
}
users() {
return (
<div>
{this.state.searchResponse.users.map(user =>
<div>
<span><Link className="text-info" to={`/u/${user.name}`}>{`/u/${user.name}`}</Link></span>
<span>{` - ${user.comment_score} comment karma`}</span>
</div>
)}
</div>
);
}
paginator() {
return (
<div class="mt-2">
{this.state.page > 1 &&
<button class="btn btn-sm btn-secondary mr-1" onClick={linkEvent(this, this.prevPage)}><T i18nKey="prev">#</T></button>
}
<button class="btn btn-sm btn-secondary" onClick={linkEvent(this, this.nextPage)}><T i18nKey="next">#</T></button>
</div>
);
}
noResults() {
let res = this.state.searchResponse;
return (
<div>
{res && res.op && res.posts.length == 0 && res.comments.length == 0 &&
<span><T i18nKey="no_results">#</T></span>
}
</div>
)
}
nextPage(i: Search) {
i.state.page++;
i.setState(i.state);
i.updateUrl();
i.search();
}
prevPage(i: Search) {
i.state.page--;
i.setState(i.state);
i.updateUrl();
i.search();
}
search() {
// TODO community
let form: SearchForm = {
q: this.state.q,
type_: SearchType[this.state.type_],
sort: SortType[this.state.sort],
page: this.state.page,
limit: fetchLimit,
};
if (this.state.q != '') {
WebSocketService.Instance.search(form);
}
}
handleSortChange(i: Search, event: any) {
i.state.sort = Number(event.target.value);
i.state.page = 1;
i.setState(i.state);
i.updateUrl();
}
handleTypeChange(i: Search, event: any) {
i.state.type_ = Number(event.target.value);
i.state.page = 1;
i.setState(i.state);
i.updateUrl();
}
handleSearchSubmit(i: Search, event: any) {
event.preventDefault();
i.state.loading = true;
i.search();
i.setState(i.state);
i.updateUrl();
}
handleQChange(i: Search, event: any) {
i.state.q = event.target.value;
i.setState(i.state);
}
updateUrl() {
let typeStr = SearchType[this.state.type_].toLowerCase();
let sortStr = SortType[this.state.sort].toLowerCase();
this.props.history.push(`/search/q/${this.state.q}/type/${typeStr}/sort/${sortStr}/page/${this.state.page}`);
}
parseMessage(msg: any) {
console.log(msg);
let op: UserOperation = msgOp(msg);
if (msg.error) {
alert(i18n.t(msg.error));
return;
} else if (op == UserOperation.Search) {
let res: SearchResponse = msg;
this.state.searchResponse = res;
this.state.loading = false;
document.title = `${i18n.t('search')} - ${this.state.q} - ${WebSocketService.Instance.site.name}`;
window.scrollTo(0,0);
this.setState(this.state);
}
}
}