710 lines
22 KiB
TypeScript
710 lines
22 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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constructor(features?: any[], fkey?: (feature: any) => K, fvalue?: (feature: any) => V) {
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const self = this;
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features?.forEach(f => {
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self.bump(fkey(f), fvalue(f))
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})
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}
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public static createStackedBarChartPerDay(name: string, features: any, extractV: (feature: any) => string, minNeededTotal = 1): void {
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const perDay = new Group<string, string>(
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features,
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f => f.properties.date.substr(0, 10),
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extractV
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)
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createGraph(
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name,
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...Array.from(
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stackHists<string, string>(
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perDay.asGroupedHists()
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.filter(tpl => tpl[1].total() > minNeededTotal)
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.map(tpl => [`${tpl[0]} (${tpl[1].total()})`, tpl[1]])
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)
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)
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.map(
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tpl => {
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const [name, hist] = tpl
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return hist
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.keyToDate(true)
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.asBar({
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name: name
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});
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}
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)
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)
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}
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public bump(key: K, value: V) {
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if (!this.groups.has(key)) {
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this.groups.set(key, [])
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}
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this.groups.get(key).push(value)
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}
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public asHist(dedup = false): Histogram<K> {
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const hist = new Histogram<K>()
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this.groups.forEach((values, key) => {
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if (dedup) {
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hist.bump(key, new Set(values).size)
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} else {
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hist.bump(key, values.length)
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}
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})
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return hist
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}
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asGroupedHists(): [V, Histogram<K>][] {
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const allHists = new Map<V, Histogram<K>>()
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const allValues = new Set<V>();
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Array.from(this.groups.values()).forEach(vs =>
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vs.forEach(v => {
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allValues.add(v)
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})
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)
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allValues.forEach(v => allHists.set(v, new Histogram<K>()))
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this.groups.forEach((values, key) => {
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values.forEach(v => {
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allHists.get(v).bump(key)
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})
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})
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return Array.from(allHists.entries())
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}
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}
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function stackHists<K, V>(hists: [V, Histogram<K>][]): [V, Histogram<K>][] {
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const runningTotals = new Histogram<K>()
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const result: [V, Histogram<K>][] = []
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hists.forEach(vhist => {
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const hist = vhist[1]
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const clone = hist.Clone()
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clone.bumpHist(runningTotals)
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runningTotals.bumpHist(hist)
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result.push([vhist[0], clone])
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})
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result.reverse()
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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(
|
|
"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!"))
|
|
|