inaniwa3/suzukaze.js

## suzukaze.js
const jsdom = require('jsdom');
const { JSDOM } = jsdom;
const fs = require('fs');
const turf = require('@turf/turf');
const request = require('request');
const twitter = require('twitter-lite');
const config = require('./config');

const IMG_PATH = 'tmp/img.jpg';
const MAP_URL_PARAMS = '&heading=0&fov=90&pitch=90';
const MAX_ASK_COUNT = 20;

// https://stackoverflow.com/questions/41958271/load-google-maps-api-in-jsdom
const googleApi = () => new Promise(res => {
    const { window } = new JSDOM(
        `<!doctype html><html><head><script src="https://maps.googleapis.com/maps/api/js?key=${config.google.apiKey}&callback=ready"></script></head></html>`,
        { runScripts: 'dangerously', resources: 'usable' }
    );
    window.ready = () => {
        res(window);
    };
});

// https://shimz.me/blog/google-map-api/5116
// https://github.com/dataofjapan/land
function latLngCandidate() {
    const geojson = JSON.parse(fs.readFileSync('./japan.geojson'));
    while (true) {
        const point = turf.randomPoint(1, {
            bbox:[122.93349314581921, 20.422740332935973,
                  153.98686576033427, 45.557331085205114]
        });
        for (let i = 0; i < geojson.features.length; i++) {
            if (turf.inside(point.features[0], geojson.features[i])) {
                return [point.features[0].geometry.coordinates[1],
                        point.features[0].geometry.coordinates[0]];
            }
        }
    }
}

// https://developers.google.com/maps/documentation/javascript/reference/street-view-service
function askStreetViewService(google, latLng) {
    return new Promise(function(resolve, reject) {
        const svs = new google.maps.StreetViewService();
        svs.getPanorama({
            location: new google.maps.LatLng(latLng[0], latLng[1]),
            preference: google.maps.StreetViewPreference.BEST,
            radius: 1000,
            source: google.maps.StreetViewSource.OUTDOOR,
        },
        function(data, status) {
            if (status === google.maps.StreetViewStatus.OK) {
                resolve([data.location.latLng.lat(), data.location.latLng.lng()]);
            } else {
                resolve(false);
            }
        });
    });
}

// https://developers.google.com/maps/documentation/streetview/intro
function downloadImage(latLng)
{
    return new Promise(function(resolve, reject) {
        const url = `https://maps.googleapis.com/maps/api/streetview?size=640x640&location=${latLng[0]},${latLng[1]}${MAP_URL_PARAMS}&source=outdoor&key=${config.google.apiKey}`;
        request(
            { method: 'GET', url: url, encoding: null },
            function(error, response, body) {
                if (!error && response.statusCode === 200) {
                    fs.writeFileSync(IMG_PATH, body, 'binary');
                    resolve(true);
                } else {
                    resolve(false);
                }
            }
        );
    });
}

// https://developers.google.com/maps/documentation/urls/guide#street-view-action
function createMapUrl(latLng)
{
    return `https://www.google.com/maps/@?api=1&map_action=pano&viewpoint=${latLng[0]},${latLng[1]}${MAP_URL_PARAMS}`;
}

// https://dev.bitly.com/v4/#operation/createBitlink
function shortenUrl(longUrl) {
    return new Promise(function(resolve, reject) {
        request(
            {
                method: 'POST',
                url: 'https://api-ssl.bitly.com/v4/shorten',
                headers: {
                    'Authorization': `Bearer ${config.bitly.accessToken}`
                },
                json: {
                    'long_url': longUrl
                }
            },
            function(error, response, body) {
                if (!error && (response.statusCode === 200 || response.statusCode === 201)) {
                    resolve(body.link);
                } else {
                    resolve(false);
                }
            }
        );
    });
}

// https://github.com/draftbit/twitter-lite
// https://developer.twitter.com/en/docs/api-reference-index
function tweet(text)
{
    const clientUpload = new twitter({
        subdomain: 'upload',
        consumer_key: config.twitter.consumerKey,
        consumer_secret: config.twitter.consumerSecret,
        access_token_key: config.twitter.accessTokenKey,
        access_token_secret: config.twitter.accessTokenSecret
    });
    const clientApi = new twitter({
        subdomain: 'api',
        consumer_key: config.twitter.consumerKey,
        consumer_secret: config.twitter.consumerSecret,
        access_token_key: config.twitter.accessTokenKey,
        access_token_secret: config.twitter.accessTokenSecret
    });
    const media_data = fs.readFileSync(IMG_PATH).toString('base64');
    (async () => {
        const response = await clientUpload.post('media/upload', {
            media_data: media_data,
            media_category: 'tweet_image'
        });
        await clientApi.post('statuses/update', {
            status: text,
            media_ids: response.media_id_string
        });
        console.log('Probably tweeted.');
    })();
}

async function main(doTweet=false) {
    const window = await googleApi();
    let latLng = false;
    for (let i = 0; i < MAX_ASK_COUNT; i++) {
        latLng = await askStreetViewService(window.google, latLngCandidate());
        if (latLng) {
            break;
        }
    }
    if (!latLng) {
        console.log('askStreetViewService() failed.');
        window.close();
        return;
    }
    const result = await downloadImage(latLng);
    if (!result) {
        console.log('downloadImage() failed.');
        window.close();
        return;
    }
    const mapUrl = createMapUrl(latLng);
    console.log(mapUrl);
    const shortUrl = await shortenUrl(mapUrl); // because of '@'
    if (!shortUrl) {
        console.log('shortenUrl() failed.');
        window.close();
        return;
    }
    console.log(shortUrl);
    if (doTweet) {
        tweet(shortUrl);
    }
    window.close();
    return;
}

main();
	const jsdom = require('jsdom');
	const { JSDOM } = jsdom;
	const fs = require('fs');
	const turf = require('@turf/turf');
	const request = require('request');
	const twitter = require('twitter-lite');
	const config = require('./config');

	const IMG_PATH = 'tmp/img.jpg';
	const MAP_URL_PARAMS = '&heading=0&fov=90&pitch=90';
	const MAX_ASK_COUNT = 20;

	// https://stackoverflow.com/questions/41958271/load-google-maps-api-in-jsdom
	const googleApi = () => new Promise(res => {
	const { window } = new JSDOM(
	`<!doctype html><html><head><script src="https://maps.googleapis.com/maps/api/js?key=${config.google.apiKey}&callback=ready"></script></head></html>`,
	{ runScripts: 'dangerously', resources: 'usable' }
	);
	window.ready = () => {
	res(window);
	};
	});

	// https://shimz.me/blog/google-map-api/5116
	// https://github.com/dataofjapan/land
	function latLngCandidate() {
	const geojson = JSON.parse(fs.readFileSync('./japan.geojson'));
	while (true) {
	const point = turf.randomPoint(1, {
	bbox:[122.93349314581921, 20.422740332935973,
	153.98686576033427, 45.557331085205114]
	});
	for (let i = 0; i < geojson.features.length; i++) {
	if (turf.inside(point.features[0], geojson.features[i])) {
	return [point.features[0].geometry.coordinates[1],
	point.features[0].geometry.coordinates[0]];
	}
	}
	}
	}

	// https://developers.google.com/maps/documentation/javascript/reference/street-view-service
	function askStreetViewService(google, latLng) {
	return new Promise(function(resolve, reject) {
	const svs = new google.maps.StreetViewService();
	svs.getPanorama({
	location: new google.maps.LatLng(latLng[0], latLng[1]),
	preference: google.maps.StreetViewPreference.BEST,
	radius: 1000,
	source: google.maps.StreetViewSource.OUTDOOR,
	},
	function(data, status) {
	if (status === google.maps.StreetViewStatus.OK) {
	resolve([data.location.latLng.lat(), data.location.latLng.lng()]);
	} else {
	resolve(false);
	}
	});
	});
	}

	// https://developers.google.com/maps/documentation/streetview/intro
	function downloadImage(latLng)
	{
	return new Promise(function(resolve, reject) {
	const url = `https://maps.googleapis.com/maps/api/streetview?size=640x640&location=${latLng[0]},${latLng[1]}${MAP_URL_PARAMS}&source=outdoor&key=${config.google.apiKey}`;
	request(
	{ method: 'GET', url: url, encoding: null },
	function(error, response, body) {
	if (!error && response.statusCode === 200) {
	fs.writeFileSync(IMG_PATH, body, 'binary');
	resolve(true);
	} else {
	resolve(false);
	}
	}
	);
	});
	}

	// https://developers.google.com/maps/documentation/urls/guide#street-view-action
	function createMapUrl(latLng)
	{
	return `https://www.google.com/maps/@?api=1&map_action=pano&viewpoint=${latLng[0]},${latLng[1]}${MAP_URL_PARAMS}`;
	}

	// https://dev.bitly.com/v4/#operation/createBitlink
	function shortenUrl(longUrl) {
	return new Promise(function(resolve, reject) {
	request(
	{
	method: 'POST',
	url: 'https://api-ssl.bitly.com/v4/shorten',
	headers: {
	'Authorization': `Bearer ${config.bitly.accessToken}`
	},
	json: {
	'long_url': longUrl
	}
	},
	function(error, response, body) {
	if (!error && (response.statusCode === 200 \|\| response.statusCode === 201)) {
	resolve(body.link);
	} else {
	resolve(false);
	}
	}
	);
	});
	}

	// https://github.com/draftbit/twitter-lite
	// https://developer.twitter.com/en/docs/api-reference-index
	function tweet(text)
	{
	const clientUpload = new twitter({
	subdomain: 'upload',
	consumer_key: config.twitter.consumerKey,
	consumer_secret: config.twitter.consumerSecret,
	access_token_key: config.twitter.accessTokenKey,
	access_token_secret: config.twitter.accessTokenSecret
	});
	const clientApi = new twitter({
	subdomain: 'api',
	consumer_key: config.twitter.consumerKey,
	consumer_secret: config.twitter.consumerSecret,
	access_token_key: config.twitter.accessTokenKey,
	access_token_secret: config.twitter.accessTokenSecret
	});
	const media_data = fs.readFileSync(IMG_PATH).toString('base64');
	(async () => {
	const response = await clientUpload.post('media/upload', {
	media_data: media_data,
	media_category: 'tweet_image'
	});
	await clientApi.post('statuses/update', {
	status: text,
	media_ids: response.media_id_string
	});
	console.log('Probably tweeted.');
	})();
	}

	async function main(doTweet=false) {
	const window = await googleApi();
	let latLng = false;
	for (let i = 0; i < MAX_ASK_COUNT; i++) {
	latLng = await askStreetViewService(window.google, latLngCandidate());
	if (latLng) {
	break;
	}
	}
	if (!latLng) {
	console.log('askStreetViewService() failed.');
	window.close();
	return;
	}
	const result = await downloadImage(latLng);
	if (!result) {
	console.log('downloadImage() failed.');
	window.close();
	return;
	}
	const mapUrl = createMapUrl(latLng);
	console.log(mapUrl);
	const shortUrl = await shortenUrl(mapUrl); // because of '@'
	if (!shortUrl) {
	console.log('shortenUrl() failed.');
	window.close();
	return;
	}
	console.log(shortUrl);
	if (doTweet) {
	tweet(shortUrl);
	}
	window.close();
	return;
	}

	main();