forked from MapComplete/MapComplete
		
	
		
			
				
	
	
		
			722 lines
		
	
	
	
		
			23 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			722 lines
		
	
	
	
		
			23 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import {existsSync, readdirSync, readFileSync, writeFileSync} from "fs";
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import ScriptUtils from "../../scripts/ScriptUtils";
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import {Utils} from "../../Utils";
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import {exec} from "child_process"
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import {GeoOperations} from "../../Logic/GeoOperations";
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ScriptUtils.fixUtils()
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class StatsDownloader {
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    private readonly startYear = 2020
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    private readonly startMonth = 5;
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    private readonly urlTemplate = "https://osmcha.org/api/v1/changesets/?date__gte={start_date}&date__lte={end_date}&page={page}&editor=mapcomplete&page_size=100"
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    private readonly _targetDirectory: string;
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    constructor(targetDirectory = ".") {
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        this._targetDirectory = targetDirectory;
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    }
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    public async DownloadStats() {
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        const currentYear = new Date().getFullYear()
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        const currentMonth = new Date().getMonth() + 1
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        for (let year = this.startYear; year <= currentYear; year++) {
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            for (let month = 1; month <= 12; month++) {
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                if (year === this.startYear && month < this.startMonth) {
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                    continue;
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                }
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                if (year === currentYear && month > currentMonth) {
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                    continue
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                }
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                const path = `${this._targetDirectory}/stats.${year}-${month}.json`
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                if (existsSync(path)) {
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                    if ((month == currentMonth && year == currentYear)) {
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                        console.log(`Force downloading ${year}-${month}`)
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                    } else {
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                        console.log(`Skipping ${year}-${month}: already exists`)
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                        continue;
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                    }
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                }
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                await this.DownloadStatsForMonth(year, month, path)
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            }
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        }
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    }
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    public async DownloadStatsForMonth(year: number, month: number, path: string) {
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        let page = 1;
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        let allFeatures = []
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        let endDate = `${year}-${Utils.TwoDigits(month + 1)}-01`
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        if (month == 12) {
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            endDate = `${year + 1}-01-01`
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        }
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        let url = this.urlTemplate.replace("{start_date}", year + "-" + Utils.TwoDigits(month) + "-01")
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            .replace("{end_date}", endDate)
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            .replace("{page}", "" + page)
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        let headers = {
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            'User-Agent': 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:86.0) Gecko/20100101 Firefox/86.0',
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            'Accept-Language': 'en-US,en;q=0.5',
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            'Referer': 'https://osmcha.org/?filters=%7B%22date__gte%22%3A%5B%7B%22label%22%3A%222020-07-05%22%2C%22value%22%3A%222020-07-05%22%7D%5D%2C%22editor%22%3A%5B%7B%22label%22%3A%22mapcomplete%22%2C%22value%22%3A%22mapcomplete%22%7D%5D%7D',
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            'Content-Type': 'application/json',
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            'Authorization': 'Token 6e422e2afedb79ef66573982012000281f03dc91',
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            'DNT': '1',
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            'Connection': 'keep-alive',
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            'TE': 'Trailers',
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            'Pragma': 'no-cache',
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            'Cache-Control': 'no-cache'
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        }
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        while (url) {
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            ScriptUtils.erasableLog(`Downloading stats for ${year}-${month}, page ${page} ${url}`)
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            const result = await Utils.downloadJson(url, headers)
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            page++;
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            allFeatures.push(...result.features)
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            if (result.features === undefined) {
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                console.log("ERROR", result)
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                return
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            }
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            url = result.next
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        }
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        console.log(`Writing ${allFeatures.length} features to `, path, Utils.Times(_ => " ", 80))
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        allFeatures = Utils.NoNull(allFeatures)
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        allFeatures.forEach(f => {
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            f.properties.id = f.id
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        })
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        writeFileSync(path, JSON.stringify({
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            features: allFeatures
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        }, undefined, 2))
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    }
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}
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interface ChangeSetData {
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    "id": number,
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    "type": "Feature",
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    "geometry": {
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        "type": "Polygon",
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        "coordinates": [number, number][][]
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    },
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    "properties": {
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        "check_user": null,
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        "reasons": [],
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        "tags": [],
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        "features": [],
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        "user": string,
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        "uid": string,
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        "editor": string,
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        "comment": string,
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        "comments_count": number,
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        "source": string,
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        "imagery_used": string,
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        "date": string,
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        "reviewed_features": [],
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        "create": number,
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        "modify": number,
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        "delete": number,
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        "area": number,
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        "is_suspect": boolean,
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        "harmful": any,
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        "checked": boolean,
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        "check_date": any,
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        "metadata": {
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            "host": string,
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            "theme": string,
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            "imagery": string,
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            "language": string
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        }
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    }
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}
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const theme_remappings = {
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    "metamap": "maps",
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    "groen": "buurtnatuur",
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    "updaten van metadata met mapcomplete": "buurtnatuur",
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    "Toevoegen of dit natuurreservaat toegangkelijk is": "buurtnatuur",
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    "wiki:mapcomplete/fritures": "fritures",
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    "wiki:MapComplete/Fritures": "fritures",
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    "lits": "lit",
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    "pomp": "cyclofix",
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    "wiki:user:joost_schouppe/campersite": "campersite",
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    "wiki-user-joost_schouppe-geveltuintjes": "geveltuintjes",
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    "wiki-user-joost_schouppe-campersite": "campersite",
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    "wiki-User-joost_schouppe-campersite": "campersite",
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    "wiki-User-joost_schouppe-geveltuintjes": "geveltuintjes",
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    "wiki:User:joost_schouppe/campersite": "campersite",
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    "arbres": "arbres_llefia",
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    "aed_brugge": "aed",
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    "https://llefia.org/arbres/mapcomplete.json": "arbres_llefia",
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    "https://llefia.org/arbres/mapcomplete1.json": "arbres_llefia",
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    "toevoegen of dit natuurreservaat toegangkelijk is": "buurtnatuur",
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    "testing mapcomplete 0.0.0": "buurtnatuur",
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    "https://raw.githubusercontent.com/osmbe/play/master/mapcomplete/geveltuinen/geveltuinen.json": "geveltuintjes"
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}
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class ChangesetDataTools {
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    public static cleanChangesetData(cs: ChangeSetData): ChangeSetData {
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        if (cs.properties.metadata.theme === undefined) {
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            cs.properties.metadata.theme = cs.properties.comment.substr(cs.properties.comment.lastIndexOf("#") + 1)
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        }
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        cs.properties.metadata.theme = cs.properties.metadata.theme.toLowerCase()
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        const remapped = theme_remappings[cs.properties.metadata.theme]
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        cs.properties.metadata.theme = remapped ?? cs.properties.metadata.theme
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        if (cs.properties.metadata.theme.startsWith("https://raw.githubusercontent.com/")) {
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            cs.properties.metadata.theme = "gh://" + cs.properties.metadata.theme.substr("https://raw.githubusercontent.com/".length)
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        }
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        if (cs.properties.modify + cs.properties.delete + cs.properties.create == 0) {
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            cs.properties.metadata.theme = "EMPTY CS"
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        }
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        return cs
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    }
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}
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interface PlotSpec {
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    name: string,
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    interpetKeysAs: "date" | "number" | "string" | string
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    plot: {
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        type: "pie" | "bar" | "line"
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        count: { key: string, value: number }[]
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    } | {
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        type: "stacked-bar"
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        count: {
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            label: string,
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            values: { key: string | Date, value: number }[]
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        }[]
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    },
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    render()
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}
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function createGraph(
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    title: string,
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    ...options: PlotSpec[]) {
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    console.log("Creating graph",title,"...")
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    const process = exec("python3 GenPlot.py \"graphs/" + title + "\"", ((error, stdout, stderr) => {
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        console.log("Python: ", stdout)
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        if (error !== null) {
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            console.error(error)
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        }
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        if (stderr !== "") {
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            console.error(stderr)
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        }
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    }))
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    for (const option of options) {
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        const d = JSON.stringify(option) + "\n"
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        process.stdin._write(d, "utf-8", undefined)
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    }
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    process.stdin._write("\n", "utf-8", undefined)
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}
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class Histogram<K> {
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    public counts: Map<K, number> = new Map<K, number>()
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    private sortAtEnd: K[] = []
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    constructor(keys?: K[]) {
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        const self = this
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        keys?.forEach(key => self.bump(key))
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    }
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    total(): number {
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        let total = 0
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        Array.from(this.counts.values()).forEach(i => total = total + i)
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        return total
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    }
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    public bump(key: K, increase = 1) {
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        if (this.counts.has(key)) {
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            this.counts.set(key, increase + this.counts.get(key))
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        } else {
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            this.counts.set(key, increase)
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        }
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    }
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    /**
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     * Adds all the values of the given histogram to this histogram
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     * @param hist
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     */
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    public bumpHist(hist: Histogram<K>) {
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        const self = this
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        hist.counts.forEach((value, key) => {
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            self.bump(key, value)
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        })
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    }
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    /**
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     * Creates a new histogram. All entries with less then 'cutoff' count are lumped together into the 'other' category
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     */
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    public createOthersCategory(otherName: K, cutoff: number | ((key: K, value: number) => boolean) = 15): Histogram<K> {
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        const hist = new Histogram<K>()
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        hist.sortAtEnd.push(otherName)
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        if (typeof cutoff === "number") {
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            this.counts.forEach((value, key) => {
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                if (value <= cutoff) {
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                    hist.bump(otherName, value)
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                } else {
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                    hist.bump(key, value)
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                }
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            })
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        } else {
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            this.counts.forEach((value, key) => {
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                if (cutoff(key, value)) {
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                    hist.bump(otherName, value)
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                } else {
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                    hist.bump(key, value)
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                }
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            })
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        }
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        return hist;
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    }
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    public addCountToName(): Histogram<string> {
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        const self = this;
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        const hist = new Histogram<string>()
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        hist.sortAtEnd = this.sortAtEnd.map(name => `${name} (${self.counts.get(name)})`)
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        this.counts.forEach((value, key) => {
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            hist.bump(`${key} (${value})`, value)
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        })
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        return hist;
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    }
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    public Clone(): Histogram<K> {
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        const hist = new Histogram<K>()
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        hist.bumpHist(this)
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        hist.sortAtEnd = [...this.sortAtEnd];
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        return hist;
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    }
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    public keyToDate(addMissingDays: boolean = false): Histogram<Date> {
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        const hist = new Histogram<Date>()
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        hist.sortAtEnd = this.sortAtEnd.map(name => new Date("" + name))
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        let earliest = undefined;
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        let latest = undefined;
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        this.counts.forEach((value, key) => {
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            const d = new Date("" + key);
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            if (earliest === undefined) {
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                earliest = d
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            } else if (d < earliest) {
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                earliest = d
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            }
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            if (latest === undefined) {
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                latest = d
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            } else if (d > latest) {
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                latest = d
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            }
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            hist.bump(d, value)
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        })
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        if (addMissingDays) {
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            while (earliest < latest) {
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                earliest.setDate(earliest.getDate() + 1)
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                hist.bump(earliest, 0)
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            }
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        }
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        return hist
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    }
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    public asRunningAverages(convertToRange: ((key: K) => K[])) {
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        const newCount = new Histogram<K>()
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        const self = this
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        this.counts.forEach((_, key) => {
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            const keysToCheck = convertToRange(key)
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            let sum = 0
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            for (const k of keysToCheck) {
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                sum += self.counts.get(k) ?? 0
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            }
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            newCount.bump(key, sum / keysToCheck.length)
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        })
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        return newCount
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    }
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    /**
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     * Given a histogram:
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     * 'a': 3
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     * 'b': 5
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     * 'c': 3
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     * 'd': 1
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     *
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     * This will create a new histogram, which counts how much every count occurs, thus:
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     * 5: 1  // as only 'b' had 5 counts
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     * 3: 2  // as both 'a' and 'c' had 3 counts
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     * 1: 1 // as only 'd' has 1 count
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     */
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    public binPerCount(): Histogram<number> {
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        const hist = new Histogram<number>()
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        this.counts.forEach((value) => {
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            hist.bump(value)
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        })
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        return hist;
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    }
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    public stringifyName(): Histogram<string> {
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        const hist = new Histogram<string>()
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        this.counts.forEach((value, key) => {
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            hist.bump("" + key, value)
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        })
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        return hist;
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    }
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    public asPie(options: {
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        name: string
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        compare?: (a: K, b: K) => number
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    }): PlotSpec {
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        const self = this
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        const entriesArray = Array.from(this.counts.entries())
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        let type: string = (typeof entriesArray[0][0])
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        if (entriesArray[0][0] instanceof Date) {
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            type = "date"
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        }
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        const entries = entriesArray.map(kv => {
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            return ({key: kv[0], value: kv[1]});
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        })
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        if (options.compare) {
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            entries.sort((a, b) => options.compare(a.key, b.key))
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        } else {
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            entries.sort((a, b) => b.value - a.value)
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        }
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        entries.sort((a, b) => self.sortAtEnd.indexOf(a.key) - self.sortAtEnd.indexOf(b.key))
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        const graph: PlotSpec = {
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            name: options.name,
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            interpetKeysAs: type,
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            plot: {
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                type: "pie",
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                count: entries.map(kv => {
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                    if (kv.key instanceof Date) {
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                        return ({key: kv.key.toISOString(), value: kv.value})
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                    }
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                    return ({key: kv.key + "", value: kv.value});
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                })
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            },
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            render: undefined
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        }
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        graph.render = () => createGraph(graph.name, graph)
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        return graph;
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    }
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    public asBar(options: {
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        name: string
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        compare?: (a: K, b: K) => number
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    }): PlotSpec {
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        const spec = this.asPie(options)
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        spec.plot.type = "bar"
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        return spec;
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    }
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    public asLine(options: {
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        name: string
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        compare?: (a: K, b: K) => number
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    }) {
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        const spec = this.asPie(options)
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        spec.plot.type = "line"
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        return spec
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    }
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}
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class Group<K, V> {
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    public groups: Map<K, V[]> = new Map<K, V[]>()
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 | 
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    constructor(features?: any[], fkey?: (feature: any) => K, fvalue?: (feature: any) => V) {
 | 
						|
        const self = this;
 | 
						|
        features?.forEach(f => {
 | 
						|
            self.bump(fkey(f), fvalue(f))
 | 
						|
        })
 | 
						|
    }
 | 
						|
 | 
						|
    public static createStackedBarChartPerDay(name: string, features: any, extractV: (feature: any) => string, minNeededTotal = 1): void {
 | 
						|
        const perDay = new Group<string, string>(
 | 
						|
            features,
 | 
						|
            f => f.properties.date.substr(0, 10),
 | 
						|
            extractV
 | 
						|
        )
 | 
						|
 | 
						|
        createGraph(
 | 
						|
            name,
 | 
						|
            ...Array.from(
 | 
						|
                stackHists<string, string>(
 | 
						|
                    perDay.asGroupedHists()
 | 
						|
                        .filter(tpl => tpl[1].total() > minNeededTotal)
 | 
						|
                        .map(tpl => [`${tpl[0]} (${tpl[1].total()})`, tpl[1]])
 | 
						|
                )
 | 
						|
            )
 | 
						|
                .map(
 | 
						|
                    tpl => {
 | 
						|
                        const [name, hist] = tpl
 | 
						|
                        return hist
 | 
						|
                            .keyToDate(true)
 | 
						|
                            .asBar({
 | 
						|
                                name: name
 | 
						|
                            });
 | 
						|
                    }
 | 
						|
                )
 | 
						|
        )
 | 
						|
    }
 | 
						|
 | 
						|
    public bump(key: K, value: V) {
 | 
						|
        if (!this.groups.has(key)) {
 | 
						|
            this.groups.set(key, [])
 | 
						|
        }
 | 
						|
        this.groups.get(key).push(value)
 | 
						|
    }
 | 
						|
 | 
						|
    public asHist(dedup = false): Histogram<K> {
 | 
						|
        const hist = new Histogram<K>()
 | 
						|
        this.groups.forEach((values, key) => {
 | 
						|
            if (dedup) {
 | 
						|
                hist.bump(key, new Set(values).size)
 | 
						|
            } else {
 | 
						|
                hist.bump(key, values.length)
 | 
						|
            }
 | 
						|
        })
 | 
						|
        return hist
 | 
						|
    }
 | 
						|
 | 
						|
    asGroupedHists(): [V, Histogram<K>][] {
 | 
						|
 | 
						|
        const allHists = new Map<V, Histogram<K>>()
 | 
						|
 | 
						|
        const allValues = new Set<V>();
 | 
						|
        Array.from(this.groups.values()).forEach(vs =>
 | 
						|
            vs.forEach(v => {
 | 
						|
                allValues.add(v)
 | 
						|
            })
 | 
						|
        )
 | 
						|
 | 
						|
        allValues.forEach(v => allHists.set(v, new Histogram<K>()))
 | 
						|
 | 
						|
        this.groups.forEach((values, key) => {
 | 
						|
            values.forEach(v => {
 | 
						|
                allHists.get(v).bump(key)
 | 
						|
            })
 | 
						|
        })
 | 
						|
 | 
						|
        return Array.from(allHists.entries())
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
function stackHists<K, V>(hists: [V, Histogram<K>][]): [V, Histogram<K>][] {
 | 
						|
    const runningTotals = new Histogram<K>()
 | 
						|
    const result: [V, Histogram<K>][] = []
 | 
						|
    hists.forEach(vhist => {
 | 
						|
        const hist = vhist[1]
 | 
						|
        const clone = hist.Clone()
 | 
						|
        clone.bumpHist(runningTotals)
 | 
						|
        runningTotals.bumpHist(hist)
 | 
						|
        result.push([vhist[0], clone])
 | 
						|
    })
 | 
						|
    result.reverse()
 | 
						|
    return result
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
function createGraphs(allFeatures: ChangeSetData[], appliedFilterDescription: string) {
 | 
						|
    const hist = new Histogram<string>(allFeatures.map(f => f.properties.metadata.theme))
 | 
						|
    hist
 | 
						|
        .createOthersCategory("other", 20)
 | 
						|
        .addCountToName()
 | 
						|
        .asBar({name: "Changesets per theme (bar)" + appliedFilterDescription})
 | 
						|
    .render()
 | 
						|
 | 
						|
 | 
						|
    new Histogram<string>(allFeatures.map(f => f.properties.user))
 | 
						|
        .binPerCount()
 | 
						|
        .stringifyName()
 | 
						|
        .createOthersCategory("25 or more", (key, _) => Number(key) >= 25).asBar(
 | 
						|
        {
 | 
						|
            compare: (a, b) => Number(a) - Number(b),
 | 
						|
            name: "Contributors per changeset count" + appliedFilterDescription
 | 
						|
        })
 | 
						|
    .render()
 | 
						|
 | 
						|
 | 
						|
    const csPerDay = new Histogram<string>(allFeatures.map(f => f.properties.date.substr(0, 10)))
 | 
						|
 | 
						|
    const perDayLine = csPerDay
 | 
						|
        .keyToDate()
 | 
						|
        .asLine({
 | 
						|
            compare: (a, b) => a.getTime() - b.getTime(),
 | 
						|
            name: "Changesets per day" + appliedFilterDescription
 | 
						|
        })
 | 
						|
 | 
						|
    const perDayAvg = csPerDay.asRunningAverages(key => {
 | 
						|
        const keys = []
 | 
						|
        for (let i = 0; i < 7; i++) {
 | 
						|
            const otherDay = new Date(new Date(key).getTime() - i * 1000 * 60 * 60 * 24)
 | 
						|
            keys.push(otherDay.toISOString().substr(0, 10))
 | 
						|
        }
 | 
						|
        return keys
 | 
						|
    })
 | 
						|
        .keyToDate()
 | 
						|
        .asLine({
 | 
						|
        compare: (a, b) => a.getTime() - b.getTime(),
 | 
						|
        name: "Rolling 7 day average" + appliedFilterDescription
 | 
						|
    })
 | 
						|
    
 | 
						|
    const perDayAvgMonth = csPerDay.asRunningAverages(key => {
 | 
						|
        const keys = []
 | 
						|
        for (let i = 0; i < 31; i++) {
 | 
						|
            const otherDay = new Date(new Date(key).getTime() - i * 1000 * 60 * 60 * 24)
 | 
						|
            keys.push(otherDay.toISOString().substr(0, 10))
 | 
						|
        }
 | 
						|
        return keys
 | 
						|
    })
 | 
						|
        .keyToDate()
 | 
						|
        .asLine({
 | 
						|
        compare: (a, b) => a.getTime() - b.getTime(),
 | 
						|
        name: "Rolling 31 day average" + appliedFilterDescription
 | 
						|
    })
 | 
						|
    
 | 
						|
    createGraph("Changesets per day (line)" + appliedFilterDescription, perDayLine, perDayAvg, perDayAvgMonth)
 | 
						|
 | 
						|
    new Histogram<string>(allFeatures.map(f => f.properties.metadata.host))
 | 
						|
        .asPie({
 | 
						|
            name: "Changesets per host" + appliedFilterDescription
 | 
						|
        }).render()
 | 
						|
 | 
						|
    new Histogram<string>(allFeatures.map(f => f.properties.metadata.theme))
 | 
						|
        .createOthersCategory("< 25 changesets", 25)
 | 
						|
        .addCountToName()
 | 
						|
        .asPie({
 | 
						|
            name: "Changesets per theme (pie)" + appliedFilterDescription
 | 
						|
        }).render()
 | 
						|
 | 
						|
    Group.createStackedBarChartPerDay(
 | 
						|
        "Changesets per theme" + appliedFilterDescription,
 | 
						|
        allFeatures,
 | 
						|
        f => f.properties.metadata.theme,
 | 
						|
        25
 | 
						|
    )
 | 
						|
 | 
						|
    Group.createStackedBarChartPerDay(
 | 
						|
        "Changesets per version number" + appliedFilterDescription,
 | 
						|
        allFeatures,
 | 
						|
        f => f.properties.editor.substr("MapComplete ".length, 6).replace(/[a-zA-Z-/]/g, ''),
 | 
						|
        1
 | 
						|
    )
 | 
						|
    
 | 
						|
    Group.createStackedBarChartPerDay(
 | 
						|
        "Changesets per minor version number" + appliedFilterDescription,
 | 
						|
        allFeatures,
 | 
						|
        f => {
 | 
						|
        	const base = f.properties.editor.substr("MapComplete ".length).replace(/[a-zA-Z-/]/g, '')
 | 
						|
        	const [major, minor, patch] = base.split(".")
 | 
						|
        	return major+"."+minor
 | 
						|
        
 | 
						|
        },
 | 
						|
        1
 | 
						|
    )
 | 
						|
 | 
						|
    Group.createStackedBarChartPerDay(
 | 
						|
        "Deletion-changesets per theme" + appliedFilterDescription,
 | 
						|
        allFeatures.filter(f => f.properties.delete > 0),
 | 
						|
        f => f.properties.metadata.theme,
 | 
						|
        1
 | 
						|
    )
 | 
						|
 | 
						|
    {
 | 
						|
        // Contributors (unique + unique new) per day
 | 
						|
        const contributorCountPerDay = new Group<string, string>()
 | 
						|
        const newContributorsPerDay = new Group<string, string>()
 | 
						|
        const seenContributors = new Set<string>()
 | 
						|
        allFeatures.forEach(f => {
 | 
						|
            const user = f.properties.user
 | 
						|
            const day = f.properties.date.substr(0, 10)
 | 
						|
            contributorCountPerDay.bump(day, user)
 | 
						|
            if (!seenContributors.has(user)) {
 | 
						|
                seenContributors.add(user)
 | 
						|
                newContributorsPerDay.bump(day, user)
 | 
						|
            }
 | 
						|
        })
 | 
						|
        const total = new Set(allFeatures.map(f => f.properties.user)).size
 | 
						|
        createGraph(
 | 
						|
            `Contributors per day${appliedFilterDescription}`,
 | 
						|
            contributorCountPerDay
 | 
						|
                .asHist(true)
 | 
						|
                .keyToDate(true)
 | 
						|
                .asBar({
 | 
						|
                    name: `Unique contributors per day (${total} total)`
 | 
						|
                }),
 | 
						|
            newContributorsPerDay
 | 
						|
                .asHist(true)
 | 
						|
                .keyToDate(true)
 | 
						|
                .asBar({
 | 
						|
                    name: "New, unique contributors per day"
 | 
						|
                }),
 | 
						|
        )
 | 
						|
 | 
						|
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
function createMiscGraphs(allFeatures: ChangeSetData[], emptyCS: ChangeSetData[]) {
 | 
						|
    new Histogram(emptyCS.map(f => f.properties.date)).keyToDate().asBar({
 | 
						|
        name: "Empty changesets by date"
 | 
						|
    }).render()
 | 
						|
    const geojson = {
 | 
						|
        type: "FeatureCollection",
 | 
						|
        features: Utils.NoNull(allFeatures
 | 
						|
            .map(f => {
 | 
						|
                try {
 | 
						|
                    const point = GeoOperations.centerpoint(f.geometry);
 | 
						|
                    point.properties = {...f.properties, ...f.properties.metadata}
 | 
						|
                    delete point.properties.metadata
 | 
						|
                    for (const key in f.properties.metadata) {
 | 
						|
                        point.properties[key] = f.properties.metadata[key]
 | 
						|
                    }
 | 
						|
                    
 | 
						|
                    return point
 | 
						|
                } catch (e) {
 | 
						|
                    console.error("Could not create center point: ", e, f)
 | 
						|
                    return undefined
 | 
						|
                }
 | 
						|
        }))
 | 
						|
    }
 | 
						|
    writeFileSync("centerpoints.geojson", JSON.stringify(geojson, undefined, 2))
 | 
						|
}
 | 
						|
 | 
						|
async function main(): Promise<void>{
 | 
						|
    await new StatsDownloader("stats").DownloadStats()
 | 
						|
    const allPaths = readdirSync("stats")
 | 
						|
        .filter(p => p.startsWith("stats.") && p.endsWith(".json"));
 | 
						|
    let allFeatures: ChangeSetData[] = [].concat(...allPaths
 | 
						|
        .map(path => JSON.parse(readFileSync("stats/" + path, "utf-8")).features
 | 
						|
            .map(cs => ChangesetDataTools.cleanChangesetData(cs))));
 | 
						|
 | 
						|
    const emptyCS = allFeatures.filter(f => f.properties.metadata.theme === "EMPTY CS")
 | 
						|
    allFeatures = allFeatures.filter(f => f.properties.metadata.theme !== "EMPTY CS")
 | 
						|
 | 
						|
    createMiscGraphs(allFeatures, emptyCS)
 | 
						|
    createGraphs(allFeatures, "")
 | 
						|
    // createGraphs(allFeatures.filter(f => f.properties.date.startsWith("2020")), " in 2020")
 | 
						|
    // createGraphs(allFeatures.filter(f => f.properties.date.startsWith("2021")), " in 2021")
 | 
						|
    createGraphs(allFeatures.filter(f => f.properties.date.startsWith("2022")), " in 2022")
 | 
						|
}
 | 
						|
 | 
						|
main().then(_ => console.log("All done!"))
 | 
						|
 |