MapComplete/scripts/importscripts/compareWebsiteData.ts

import fs from "fs"
import readline from "readline"
import Script from "../Script"
import LinkedDataLoader from "../../src/Logic/Web/LinkedDataLoader"
import UrlValidator from "../../src/UI/InputElement/Validators/UrlValidator"
// vite-node scripts/importscripts/compareWebsiteData.ts -- ~/Downloads/ShopsWithWebsiteNodes.csv ~/data/scraped_websites/
class CompareWebsiteData extends Script {
    constructor() {
        super("Given a csv file with 'id', 'tags' and 'website', attempts to fetch jsonld and compares the attributes. Usage: csv-file datadir")
    }

    private readonly urlFormatter = new UrlValidator()
    async getWithCache(cachedir : string, url: string): Promise<any>{
        const filename=  cachedir+"/"+encodeURIComponent(url)
        if(fs.existsSync(filename)){
            return JSON.parse(fs.readFileSync(filename, "utf-8"))
        }
        const jsonLd = await LinkedDataLoader.fetchJsonLd(url, undefined, true)
        console.log("Got:", jsonLd)
        fs.writeFileSync(filename, JSON.stringify(jsonLd))
        return jsonLd
    }
    async handleEntry(line: string, cachedir: string, targetfile: string) : Promise<boolean>{
        const id = JSON.parse(line.split(",")[0])
        let tags = line.substring(line.indexOf("{") - 1)
        tags = tags.substring(1, tags.length - 1)
        tags = tags.replace(/""/g, "\"")
        const data = JSON.parse(tags)

        try{

        const website = this.urlFormatter.reformat(data.website)
        console.log(website)
        const jsonld = await this.getWithCache(cachedir, website)
        if(Object.keys(jsonld).length === 0){
            return false
        }
        const diff = LinkedDataLoader.removeDuplicateData(jsonld, data)
        fs.appendFileSync(targetfile, id +", "+ JSON.stringify(diff)+"\n\n")
        return true
        }catch (e) {
            console.error("Could not download ", data.website)
        }
    }

    async main(args: string[]): Promise<void> {
        if (args.length < 2) {
            throw "Not enough arguments"
        }


        const readInterface = readline.createInterface({
            input: fs.createReadStream(args[0]),
        })

        let handled = 0
        let diffed = 0
        const targetfile = "diff.csv"
        fs.writeFileSync(targetfile, "id, diff-json\n")
        for await (const line of readInterface) {
            try {
                if(line.startsWith("\"id\"")){
                    continue
                }
                const madeComparison = await this.handleEntry(line, args[1], targetfile)
                handled ++
                diffed = diffed + (madeComparison ? 1 : 0)
                if(handled % 1000 == 0){
                    console.log("Handled ",handled," got ",diffed,"diff results")
                }
            } catch (e) {
               // console.error(e)
            }
        }

    }
}

new CompareWebsiteData().run()