tenkizu

index.js

const Twitter = require('twitter');
const fetch = require('node-fetch');

const generateWeather = async () => {
  let c = [
    // hokkaido
    1116988, 1117873, 1118108, 1117927,

    // honshu north
    // aomori, , morioka,
    1116973, 1116952, 1117776, 1117881, 1118129,

    // honshu east
    // kanazawa, nagano, utsunomiya, nagoya, shizuoka, tokyo
    1117438, 1117807, 1118483, 1117817, 1118217, 1118370,

    // kansai
    // yamaguchi, hiroshima, okayama, kyoto, hashimoto, toba
    1118517, 1117227, 28377462, 15015372, 1117171, 1118345,

    // shikoku
    // kochi, tokushima
    28642722, 1118368, 

    // kyushu
    23388316, 1117378,

    // miyakojima, okinawa
    28379331, 1113469,

    // ogasawara
    // not on Yahoo :(
  ];

  const url = `https://query.yahooapis.com/v1/public/yql?q=select location.city, item.condition from weather.forecast where woeid in (${c.join(',')})&format=json`;

  const response = await fetch(url);

  const data = await response.json();

  const conditionsList = c.map((id, index) => data.query.results.channel[index] && data.query.results.channel[index].item.condition.code || 3200);

  const conditions = {
    0: '🌪️', //	tornado
    1: '🌀', //	tropical storm
    2: '🌀', //	hurricane
    3: '⛈', //	severe thunderstorms
    4: '⛈', //	thunderstorms
    5: '🌧️', //	mixed rain and snow
    6: '🌧️', //	mixed rain and sleet
    7: '🌨️', //	mixed snow and sleet
    8: '🌧️', //	freezing drizzle
    9: '🌧️', //	drizzle
    10: '🌧️', //	freezing rain
    11: '💦', //	showers
    12: '💦', //	showers
    13: '❄', //	snow flurries
    14: '🌨️', //	light snow showers
    15: '❄', //	blowing snow
    16: '❄', //	snow
    17: '🌨️', //	hail
    18: '🌨️', //	sleet
    19: '🤔', //	dust
    20: '🌁', //	foggy
    21: '🌫️', //	haze
    22: '🌫️', //	smoky
    23: '💨', //	blustery
    24: '🍃', //	windy
    25: '🥶', //	cold
    26: '☁', //	cloudy
    27: '☁', //	mostly cloudy (night)
    28: '🌥️', //	mostly cloudy (day)
    29: '☁', //	partly cloudy (night)
    30: '🌤️', //	partly cloudy (day)
    31: '🌑', //	clear (night)
    32: '☀', //	sunny
    33: '🌑', //	fair (night)
    34: '☀', //	fair (day)
    35: '🌧', //	mixed rain and hail
    36: '🥵', //	hot
    37: '⚡️', //	isolated thunderstorms
    38: '🌩️', //	scattered thunderstorms
    39: '🌩️', //	scattered thunderstorms
    40: '🌧', //	scattered showers
    41: '❄', //	heavy snow
    42: '🌨', //	scattered snow showers
    43: '❄', //	heavy snow
    44: '🌤', //	partly cloudy
    45: '⛈️', //	thundershowers
    46: '❄', //	snow showers
    47: '⛈️', //	isolated thundershowers
    3200: '❔', //	not available
  }

  c = conditionsList.map(code => conditions[code]);
  c.unshift(0);

  const weather =
`#天気 #天気情報
　　　   ${c[27]}　　　　　　　  ${c[ 1]}${c[ 2]}
　　　   　　　　　　　　  ${c[ 3]}${c[ 4]}

　${c[26]}　　　 　　 　　　 ${c[ 5]}
　 　　　　　　　     ${c[ 6]}${c[ 7]}
　 　　　　　　　     ${c[ 8]}${c[ 9]}
　　　　　　　　${c[10]}${c[11]}${c[12]}
    ${c[16]}${c[17]}${c[18]}${c[19]}${c[13]}${c[14]}${c[15]}
${c[24]}　${c[22]}${c[23]}　${c[20]}${c[21]}
${c[25]}`;

  return weather;
};

export default async function postTweet(hook) {
  const client = new Twitter({
    consumer_key: hook.env.TWITTER_CONSUMER_KEY,
    consumer_secret: hook.env.TWITTER_CONSUMER_SECRET,
    access_token_key: hook.env.TWITTER_ACCESS_TOKEN_KEY,
    access_token_secret: hook.env.TWITTER_ACCESS_TOKEN_SECRET
  });

  const status = await generateWeather();

  client.post('statuses/update', {status}, (err, data) => {
    if (err) console.log(err);
    
    hook.res.end(data);
  });
};