scratch new block

scratch.node.js

const ArgumentType = require('../../extension-support/argument-type');
const BlockType = require('../../extension-support/block-type');
const Cast = require('../../util/cast');
const log = require('../../util/log');
const fetch = require('node-fetch');
const { HttpLink } = require('apollo-link-http');
const { ApolloClient } = require("apollo-client");
const { InMemoryCache } = require("apollo-cache-inmemory");
const gql = require("graphql-tag");

const createLink = function(uri, apiKey) {
    let headers
    if(apiKey != null) {
        headers = {
            'X-Api-Key': apiKey
        };
    }
    const link = new HttpLink({uri, fetch, headers});
    return link;
};

const createClient = function(link) {
    return new ApolloClient({
        link,
        cache: new InMemoryCache()
    });
}

const createQuery = (text) => {
    return {
        query: gql`
            {
                city(name: "${text}") {
                    weather {
                        id
                        main
                        description
                        icon
                    }
                }
            }
        `
    }
}

const notFoundResponse = (city) => {
    return `${city} is not found`
}

const foundResponse = (city, weather) => {
    return `${city}は今日は${weather}ですよ。`
}

/**
 * Icon svg to be displayed at the left edge of each extension block, encoded as a data URI.
 * @type {string}
 */
// eslint-disable-next-line max-len
const blockIconURI = 'data:image/svg+xml;base64,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';

/**
 * Icon svg to be displayed in the category menu, encoded as a data URI.
 * @type {string}
 */
// eslint-disable-next-line max-len
const menuIconURI = 'data:image/svg+xml;base64,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';


/**
 * Class for the new blocks in Scratch 3.0
 * @param {Runtime} runtime - the runtime instantiating this block package.
 * @constructor
 */

class Scratch3NewBlocks {
    constructor (runtime) {
        /**
         * The runtime instantiating this block package.
         * @type {Runtime}
         */
        this.runtime = runtime;
        this.link = createLink('http://localhost:3000/graphql');
        this.client = createClient(this.link);
    }

    /**
     * @returns {object} metadata for this extension and its blocks.
     */
    getInfo () {
        return {
            id: 'newblocks',
            name: 'New Blocks',
            // menuIconURI: menuIconURI,
            // blockIconURI: blockIconURI,
            blocks: [
                {
                    opcode: 'getWeather',
                    blockType: BlockType.REPORTER,
                    text: 'Weather in [city]',
                    arguments: {
                        city: {
                            type: ArgumentType.STRING,
                            defaultValue: "new york"
                        }
                    }
                },
            ],
            menus: {
            }
        };
    }

    /**
     * getWeather.
     * @param {object} args - the block arguments.
     * @property {city} TEXT - the city.
     */
    getWeather (args) {
        const city = Cast.toString(args.city);
        if(city == '') {
            return notFoundResponse(city);
        }
        return this.client.query(createQuery(city)).then((value) => {
            let weather;
            try {
                weather = value.data.city.weather[0].main;
                switch(weather) {
                    case "Rain":
                        weather = "雨"
                        break;
                    case "Clear":
                        weather = "いい天気"
                        break;
                    case "Clouds":
                        weather = "曇り"
                }
            } catch(e) {
                return notFoundResponse(city)
            }
            return foundResponse(city, weather);
        });
    }
}

module.exports = Scratch3NewBlocks;