mirror of https://github.com/LemmyNet/lemmy
Dessalines
5 years ago
parent
ee60e25bc4
commit
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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 { UserOperation, Post, Comment, SortType, SearchForm, SearchResponse, SearchType } from '../interfaces';
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import { WebSocketService } from '../services';
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import { msgOp, fetchLimit } from '../utils';
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import { PostListing } from './post-listing';
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import { CommentNodes } from './comment-nodes';
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interface SearchState {
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q: string,
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type_: SearchType,
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sort: SortType,
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page: number,
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searchResponse: SearchResponse;
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loading: boolean;
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}
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export class Search extends Component<any, SearchState> {
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private subscription: Subscription;
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private emptyState: SearchState = {
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q: undefined,
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type_: SearchType.Both,
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sort: SortType.TopAll,
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page: 1,
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searchResponse: {
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op: null,
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posts: [],
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comments: [],
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},
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loading: false,
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}
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constructor(props: any, context: any) {
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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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}
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componentWillUnmount() {
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this.subscription.unsubscribe();
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}
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componentDidMount() {
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document.title = "Search - Lemmy";
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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">
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<h5>Search</h5>
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{this.selects()}
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{this.searchForm()}
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{this.state.type_ == SearchType.Both &&
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this.both()
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}
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{this.state.type_ == SearchType.Comments &&
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this.comments()
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}
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{this.state.type_ == SearchType.Posts &&
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this.posts()
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}
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{this.noResults()}
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{this.paginator()}
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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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searchForm() {
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return (
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<form class="form-inline" onSubmit={linkEvent(this, this.handleSearchSubmit)}>
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<input type="text" class="form-control mr-2" value={this.state.q} placeholder="Search..." onInput={linkEvent(this, this.handleQChange)} required minLength={3} />
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<button type="submit" class="btn btn-secondary mr-2">
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{this.state.loading ?
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<svg class="icon icon-spinner spin"><use xlinkHref="#icon-spinner"></use></svg> :
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<span>Search</span>
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}
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</button>
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</form>
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)
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}
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selects() {
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return (
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<div className="mb-2">
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<select value={this.state.type_} onChange={linkEvent(this, this.handleTypeChange)} class="custom-select w-auto">
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<option disabled>Type</option>
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<option value={SearchType.Both}>Both</option>
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<option value={SearchType.Comments}>Comments</option>
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<option value={SearchType.Posts}>Posts</option>
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</select>
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<select value={this.state.sort} onChange={linkEvent(this, this.handleSortChange)} class="custom-select w-auto ml-2">
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<option disabled>Sort Type</option>
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<option value={SortType.New}>New</option>
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<option value={SortType.TopDay}>Top Day</option>
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<option value={SortType.TopWeek}>Week</option>
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<option value={SortType.TopMonth}>Month</option>
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<option value={SortType.TopYear}>Year</option>
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<option value={SortType.TopAll}>All</option>
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</select>
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</div>
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)
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}
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both() {
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let combined: Array<{type_: string, data: Comment | Post}> = [];
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let comments = this.state.searchResponse.comments.map(e => {return {type_: "comments", data: e}});
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let posts = this.state.searchResponse.posts.map(e => {return {type_: "posts", data: e}});
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combined.push(...comments);
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combined.push(...posts);
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// Sort it
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if (this.state.sort == SortType.New) {
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combined.sort((a, b) => b.data.published.localeCompare(a.data.published));
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} else {
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combined.sort((a, b) => b.data.score - a.data.score);
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}
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return (
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<div>
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{combined.map(i =>
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<div>
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{i.type_ == "posts"
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? <PostListing post={i.data as Post} showCommunity viewOnly />
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: <CommentNodes nodes={[{comment: i.data as Comment}]} viewOnly noIndent />
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}
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</div>
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)
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}
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</div>
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)
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}
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comments() {
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return (
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<div>
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{this.state.searchResponse.comments.map(comment =>
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<CommentNodes nodes={[{comment: comment}]} noIndent viewOnly />
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)}
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</div>
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);
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}
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posts() {
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return (
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<div>
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{this.state.searchResponse.posts.map(post =>
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<PostListing post={post} showCommunity viewOnly />
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)}
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</div>
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);
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}
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paginator() {
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return (
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<div class="mt-2">
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{this.state.page > 1 &&
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<button class="btn btn-sm btn-secondary mr-1" onClick={linkEvent(this, this.prevPage)}>Prev</button>
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}
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<button class="btn btn-sm btn-secondary" onClick={linkEvent(this, this.nextPage)}>Next</button>
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</div>
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);
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}
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noResults() {
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let res = this.state.searchResponse;
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return (
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<div>
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{res && res.op && res.posts.length == 0 && res.comments.length == 0 &&
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<span>No Results</span>
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}
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</div>
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)
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}
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nextPage(i: Search) {
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i.state.page++;
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i.setState(i.state);
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i.search();
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}
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prevPage(i: Search) {
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i.state.page--;
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i.setState(i.state);
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i.search();
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}
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search() {
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// TODO community
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let form: SearchForm = {
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q: this.state.q,
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type_: SearchType[this.state.type_],
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sort: SortType[this.state.sort],
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page: this.state.page,
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limit: fetchLimit,
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};
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WebSocketService.Instance.search(form);
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}
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handleSortChange(i: Search, event: any) {
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i.state.sort = Number(event.target.value);
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i.state.page = 1;
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i.setState(i.state);
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i.search();
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}
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handleTypeChange(i: Search, event: any) {
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i.state.type_ = Number(event.target.value);
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i.state.page = 1;
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i.setState(i.state);
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i.search();
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}
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handleSearchSubmit(i: Search, event: any) {
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event.preventDefault();
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i.state.loading = true;
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i.search();
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i.setState(i.state);
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}
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handleQChange(i: Search, event: any) {
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i.state.q = event.target.value;
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i.setState(i.state);
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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.Search) {
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let res: SearchResponse = msg;
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this.state.searchResponse = res;
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this.state.loading = false;
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document.title = `Search - ${this.state.q} - Lemmy`;
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this.setState(this.state);
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}
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}
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}
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