hyperspace-desktop-client-windows-linux-macos/src/pages/Search.tsx

import React, { Component } from 'react';
import {
    List, 
    ListItem, 
    ListItemText, 
    ListSubheader, 
    ListItemSecondaryAction, 
    ListItemAvatar, 
    Avatar, 
    Paper, 
    withStyles, 
    Typography,
    CircularProgress
} from '@material-ui/core';
import PersonIcon from '@material-ui/icons/Person';
import {styles} from './PageLayout.styles';
import {LinkableIconButton} from '../interfaces/overrides';
import Mastodon from 'megalodon';
import {parse as parseParams, ParsedQuery} from 'query-string';
import { Results } from '../types/Search';
import { withSnackbar } from 'notistack';
import Post from '../components/Post';
import { Status } from '../types/Status';
import { Account } from '../types/Account';

interface ISearchPageState  {
    query: string[] | string;
    type?: string[] | string;
    results?: Results;
    tagResults?: [Status];
    viewIsLoading: boolean;
    viewDidLoad?: boolean;
    viewDidError?: boolean;
    viewDidErrorCode?: string;
}

class SearchPage extends Component<any, ISearchPageState> {

    client: Mastodon;

    constructor(props: any) {
        super(props);

        this.client = new Mastodon(localStorage.getItem('access_token') as string, localStorage.getItem('baseurl') + "/api/v2");

        let searchParams = this.getQueryAndType(props);

        this.state = {
            viewIsLoading: true,
            query: searchParams.query,
            type: searchParams.type
        }

        if (searchParams.type === "tag") {
            this.searchForPostsWithTags(searchParams.query);
        } else {
            this.searchQuery(searchParams.query);
        }
        
    }

    componentWillReceiveProps(props: any) {
        this.setState({ viewDidLoad: false, viewIsLoading: true, viewDidError: false, viewDidErrorCode: '', results: undefined});
        let searchParams = this.getQueryAndType(props);
        this.setState({ query: searchParams.query, type: searchParams.type });
        if (searchParams.type === "tag") {
            this.searchForPostsWithTags(searchParams.query);
        } else {
            this.searchQuery(searchParams.query);
        }
    }

    runQueryCheck(newLocation?: string): ParsedQuery {
        let searchParams = "";
        if (newLocation !== undefined && typeof(newLocation) === "string") {
            searchParams = newLocation.replace("#/search", "");
        } else {
            searchParams = location.hash.replace("#/search", "");
        }
        return parseParams(searchParams);
    }

    getQueryAndType(props: any) {
        let newSearch = this.runQueryCheck(props.location);
        let query: string | string[];
        let type;

        if (newSearch.query) {
            if (newSearch.query.toString().startsWith("tag:")) {
                type = "tag";
                query = newSearch.query.toString().replace("tag:", "");
            } else {
                query = newSearch.query;
            }
        } else {
            query = "";
        }

        if (newSearch.type && newSearch.type !== undefined) {
            type = newSearch.type;
        }
        return {
            query: query,
            type: type
        };
    }

    searchQuery(query: string | string[]) {
        this.client.get('/search', {q: query}).then((resp: any) => {
            let results: Results = resp.data;
            this.setState({ 
                results,
                viewDidLoad: true,
                viewIsLoading: false 
            });
        }).catch((err: Error) => {
            this.setState({
                viewIsLoading: false,
                viewDidError: true,
                viewDidErrorCode: err.message
            })

            this.props.enqueueSnackbar(`Couldn't search for ${this.state.query}: ${err.name}`, { variant: 'error' });
        });
    }

    searchForPostsWithTags(query: string | string[]) {
        let client = new Mastodon(localStorage.getItem('access_token') as string, localStorage.getItem('baseurl') + "/api/v1");
        client.get(`/timelines/tag/${query}`).then((resp: any) => {
            let tagResults: [Status] = resp.data;
            this.setState({ 
                tagResults,
                viewDidLoad: true,
                viewIsLoading: false 
            });
            console.log(this.state.tagResults);
        }).catch((err: Error) => {
            this.setState({
                viewIsLoading: false,
                viewDidError: true,
                viewDidErrorCode: err.message
            })

            this.props.enqueueSnackbar(`Couldn't search for posts with tag ${this.state.query}: ${err.name}`, { variant: 'error' });
        });
    }

    showAllAccountsFromQuery() {
        const { classes } = this.props;
        return (
            <div>
                <ListSubheader>Accounts</ListSubheader>
                    <Paper className={classes.pageListConstraints}>
                        <List>
                            {
                                this.state.results?
                                    this.state.results.accounts.map((acct: Account) => {
                                        return (
                                        <ListItem key={acct.id}>
                                            <ListItemAvatar>
                                                <Avatar alt={acct.username} src={acct.avatar_static}/>
                                            </ListItemAvatar>
                                            <ListItemText primary={acct.display_name || acct.acct} secondary={acct.acct}/>
                                            <ListItemSecondaryAction>
                                                <LinkableIconButton to={`/profile/${acct.id}`}>
                                                    <PersonIcon/>
                                                </LinkableIconButton>
                                            </ListItemSecondaryAction>
                                        </ListItem>
                                        );
                                    }): null
                            }
                        </List>
                    </Paper>
                <br/>
            </div>
        )
    }

    showAllPostsFromQuery() {
        return (
            <div>
                <ListSubheader>Posts</ListSubheader>
                    {
                        this.state.results?
                            this.state.results.statuses.length > 0?
                                this.state.results.statuses.map((post: Status) => {
                                    return <Post key={post.id} post={post} client={this.client}/>
                                }): <Typography variant="caption">No results found.</Typography>: null
                    }
            </div>
        );
    }

    showAllPostsWithTag() {
        return (
            <div>
                <ListSubheader>Tagged posts</ListSubheader>
                    {
                        this.state.tagResults?
                            this.state.tagResults.length > 0?
                                this.state.tagResults.map((post: Status) => {
                                    return <Post key={post.id} post={post} client={this.client}/>
                                }): <Typography variant="caption">No results found.</Typography>: null
                    }
            </div>
        );
    }

    render() {
        const { classes } = this.props;
        return (
            <div className={classes.pageLayoutConstraints}>
                {
                    this.state.type && this.state.type === "tag"?
                        this.showAllPostsWithTag():
                        <div>
                            {this.showAllAccountsFromQuery()}
                            {this.showAllPostsFromQuery()}
                        </div>
                }
                {
                    this.state.viewDidError? 
                        <Paper className={classes.errorCard}>
                            <Typography variant="h4">Bummer.</Typography>
                            <Typography variant="h6">Something went wrong when loading this timeline.</Typography>
                            <Typography>{this.state.viewDidErrorCode? this.state.viewDidErrorCode: ""}</Typography>
                        </Paper>: 
                        <span/>
                }
                {
                    this.state.viewIsLoading?
                    <div style={{ textAlign: 'center' }}><CircularProgress className={classes.progress} color="primary" /></div>:
                    <span/>
                }
            </div>
        );
    }

}

export default withStyles(styles)(withSnackbar(SearchPage));