forked from MapComplete/MapComplete
		
	
		
			
				
	
	
		
			483 lines
		
	
	
	
		
			17 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			483 lines
		
	
	
	
		
			17 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import Script from "./Script"
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import fs from "fs"
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import { Feature } from "geojson"
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import { GeoOperations } from "../Logic/GeoOperations"
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import { Utils } from "../Utils"
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import { OsmObject } from "../Logic/Osm/OsmObject"
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import { OsmId } from "../Models/OsmFeature"
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import ScriptUtils from "./ScriptUtils"
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import OsmObjectDownloader from "../Logic/Osm/OsmObjectDownloader"
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import PhoneValidator from "../UI/InputElement/Validators/PhoneValidator"
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import UrlValidator from "../UI/InputElement/Validators/UrlValidator"
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interface PossibleMatch {
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    /**
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     * Distance in meter between the OSM-data and the external dataset
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     */
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    d: number
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    osm_feature: Feature
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    external_feature: Feature
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}
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interface ReplayResult {
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    certainly_imported?: boolean
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    possibly_imported?: boolean
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    resting_properties?: Record<string, string>
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}
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export class Conflate extends Script {
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    private earliestDate: Date = undefined
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    private latestDate: Date = undefined
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    private readonly historyCacheDir = "/tmp/cache/"
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    constructor() {
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        super(
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            [
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                "Conflation script",
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                "",
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                "This script is meant to be used to prepare imports. It takes one 'OSM'-dataset and one external dataset and tries to find an OSM-id for every external item.",
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                "",
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                "Arguments:",
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                "osm_file.geojson external_file.geojson [search_range]",
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                "- osm_file.geojson: a file exported from overpass, including meta (note: filename MUST contain either OSM or OpenStreetMap)",
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                "- external_file.geojson: the data to import. Tags should be prepared to have an OSM-name",
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                "- search_range: max distance at which a match will occur",
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            ].join("\n")
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        )
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    }
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    private static toXml(changedObjects: OsmObject[]): string {
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        return [
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            "<?xml version='1.0' encoding='UTF-8'?>",
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            "<osm version=\"0.6\" generator='mapcomplete-conflate-script'>",
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            ...changedObjects.map((obj) => obj.ChangesetXML(undefined, ' action="modify" ')),
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            "</osm>",
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        ].join("\n")
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    }
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    async main(args: string[]): Promise<void> {
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        if (args.length < 2) {
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            super.printHelp()
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            return
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        }
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        const [osm_file_path, external_file_path] = args
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        let max_range = 25
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        if (args.length === 3) {
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            max_range = Number(args[2])
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        }
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        if (
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            osm_file_path.toLowerCase().indexOf("osm") < 0 &&
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            osm_file_path.toLowerCase().indexOf("openstreetmap") < 0
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        ) {
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            throw "OSM File path must contain 'osm' or 'openStreetMap'"
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        }
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        if (
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            external_file_path.toLowerCase().indexOf("osm") >= 0 ||
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            external_file_path.toLowerCase().indexOf("openstreetmap") >= 0
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        ) {
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            throw "External File path may not contain 'osm' or 'openStreetMap'"
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        }
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        const external_features: Feature[] = JSON.parse(
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            fs.readFileSync(external_file_path, { encoding: "utf-8" })
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        ).features
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        const osm_features: Feature[] = JSON.parse(
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            fs.readFileSync(osm_file_path, { encoding: "utf-8" })
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        ).features
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        const bestMatches = await this.calculateMatches(external_features, osm_features, max_range)
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        const unmatched = external_features.filter(
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            (f) => !bestMatches.some((matched) => matched.match.external_feature === f)
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        )
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        const weirdMatch = external_features.filter((f) =>
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            bestMatches.some(
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                (matched) =>
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                    matched.match.external_feature === f &&
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                    !matched.replayed.certainly_imported &&
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                    !matched.replayed.possibly_imported
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            )
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        )
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        const match_lengths: (string | number)[][] = [
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            [
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                "osm_id",
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                "match_distance",
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                "osm_name",
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                "imported",
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                "status_external",
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                "...properties_differences",
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            ],
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        ]
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        const changedObjects: OsmObject[] = []
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        for (const { match, replayed } of bestMatches) {
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            const { d, osm_feature } = match
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            const { possibly_imported, certainly_imported, resting_properties } = replayed
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            const status = resting_properties["status"]
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            delete resting_properties["status"]
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            if (Object.keys(resting_properties).length === 0) {
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                continue
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            }
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            if (!certainly_imported && !possibly_imported) {
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                continue
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            }
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            const id = osm_feature.properties["@id"]
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            match_lengths.push([
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                id,
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                d,
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                osm_feature.properties.name,
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                certainly_imported ? "import" : possibly_imported ? "prob import" : "new",
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                status,
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                JSON.stringify(resting_properties),
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            ])
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            const osmObj = await new OsmObjectDownloader().DownloadObjectAsync(id)
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            if (osmObj === "deleted") {
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                return
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            }
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            for (const key in resting_properties) {
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                osmObj.tags[key] = resting_properties[key]
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            }
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            changedObjects.push(osmObj)
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        }
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        const targetDir = "../onwheels-data-prep/output"
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        console.log("Writing results to directory", targetDir)
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        fs.writeFileSync(
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            targetDir + "/matches.tsv",
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            match_lengths.map((l) => l.join("\t")).join("\n")
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        )
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        fs.writeFileSync(targetDir + "/changeset.xml", Conflate.toXml(changedObjects))
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        fs.writeFileSync(
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            targetDir + "/unmatched.geojson",
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            JSON.stringify(
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                {
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                    type: "FeatureCollection",
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                    features: unmatched,
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                },
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                null,
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                "  "
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            )
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        )
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        fs.writeFileSync(
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            targetDir + "/unmatched_but_has_close_feature.geojson",
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            JSON.stringify(
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                {
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                    type: "FeatureCollection",
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                    features: weirdMatch,
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                },
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                null,
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                "  "
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            )
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        )
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    }
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    private async findTimeFork(
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        externalName: string,
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        osmName: string,
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        osmId: OsmId
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    ): Promise<{ earliestDateOfImport; latestDateOfImport }> {
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        const history = await new OsmObjectDownloader()
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            .DownloadHistory(osmId)
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            .AsPromise((h) => h.length > 0)
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        let earliest: Date = undefined
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        let latest: Date = undefined
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        for (const historyElement of history) {
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            const csTime = new Date(historyElement.tags["_last_edit:timestamp"])
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            if (isNaN(csTime.getTime())) {
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                console.error("Could not parse" + historyElement.tags["_last_edit:timestamp"])
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                return undefined
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            }
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            const nameIdentical = historyElement.tags.name === externalName
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            if (nameIdentical) {
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                if (earliest == undefined) {
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                    earliest = csTime
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                }
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                latest = csTime
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            }
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        }
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        if (history.at(-1).tags.name === externalName) {
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            // Not changed yet, so no actual hint about when this import could have happened
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            latest = new Date()
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        }
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        if (this.earliestDate === undefined || earliest?.getTime() > this.earliestDate?.getTime()) {
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            this.earliestDate = earliest
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        }
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        if (this.latestDate === undefined || latest?.getTime() < this.latestDate?.getTime()) {
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            this.latestDate = latest
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        }
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        return { earliestDateOfImport: earliest, latestDateOfImport: latest }
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    }
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    private findPossibleMatchesFor(
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        osm_features: Feature[],
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        externalFeature: Feature,
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        max_range: number
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    ): PossibleMatch[] {
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        const possibleMatches: PossibleMatch[] = []
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        for (const osmFeature of osm_features) {
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            const d = GeoOperations.distanceBetween(
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                GeoOperations.centerpointCoordinates(externalFeature),
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                GeoOperations.centerpointCoordinates(osmFeature)
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            )
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            if (d < max_range) {
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                possibleMatches.push({
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                    external_feature: externalFeature,
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                    osm_feature: osmFeature,
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                    d,
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                })
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            }
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        }
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        return possibleMatches
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    }
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    private async stillOnline(url: string): Promise<boolean | string> {
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        // return true
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        if (url.indexOf("facebook.com") > 0) {
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            return true
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        }
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        if (!fs.existsSync(this.historyCacheDir + "urls/")) {
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            fs.mkdirSync(this.historyCacheDir + "urls/")
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        }
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        const cachePath = this.historyCacheDir + "/urls/    " + url.replace(/[/\\:]/g, "_")
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        if (fs.existsSync(cachePath)) {
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            return JSON.parse(fs.readFileSync(cachePath, { encoding: "utf-8" }))
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        }
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        let online: boolean | string = false
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        try {
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            online = await this.stillOnlineUncached(url)
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        } catch (e) {
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            console.log(e)
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            const urlObj = new URL(url)
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            if (e === "NOT_FOUND" && urlObj.pathname.length > 0) {
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                console.log("Maybe trying the homepage will help?")
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            }
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        }
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        fs.writeFileSync(cachePath, JSON.stringify(online, null, "  "), { encoding: "utf-8" })
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        return online
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    }
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    private async stillOnlineUncached(url: string): Promise<boolean | string> {
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        if (!url.startsWith("http")) {
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            url = "https://" + url
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        }
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        url = url.replace("http://", "https://")
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        try {
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            const result = await ScriptUtils.Download(url, {
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                "User-agent":
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                    "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/114.0",
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            })
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            if (result["redirect"]) {
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                if (result["redirect"].startsWith("/")) {
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                    return true
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                }
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                return result["redirect"]
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            }
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            if (result["content"]) {
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                return true
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            }
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            console.error("Got a result, but no content?", url, result)
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            return false
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        } catch (e) {
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            console.log("Offline (error):", url, e.message)
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            return false
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        }
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    }
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    private async historyCached(id): Promise<OsmObject[]> {
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        const cachePath = this.historyCacheDir + id.replace("/", "_")
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        if (!fs.existsSync(this.historyCacheDir)) {
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            fs.mkdirSync(this.historyCacheDir)
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        }
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        if (fs.existsSync(cachePath)) {
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            return JSON.parse(fs.readFileSync(cachePath, { encoding: "utf-8" }))
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        }
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        const history = await new OsmObjectDownloader()
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            .DownloadHistory(id)
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            .AsPromise((l) => l.length > 0)
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        fs.writeFileSync(cachePath, JSON.stringify(history, null, "  "), { encoding: "utf-8" })
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        return history
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    }
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    private async normalize(properties: Record<string, string>) {
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        if (properties["phone"]) {
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            properties["phone"] = new PhoneValidator().reformat(properties["phone"], () => "be")
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        }
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        if (properties["website"]) {
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            let website = properties.website.toLowerCase()
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            website = website
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                .replace("http://http://", "http://")
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                .replace("https://https://", "https://")
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                .replace("https//", "https://")
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                .replace("http://", "https://")
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            if (!website.startsWith("https://")) {
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                website = "https://" + website
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            }
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            const validator = new UrlValidator()
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            if (validator.isValid(website)) {
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                properties.website = validator.reformat(website)
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                const stillOnline = await this.stillOnline(website)
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                if (stillOnline === false) {
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                    delete properties.website
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                }
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                if (typeof stillOnline === "string") {
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                    properties.website = stillOnline
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                }
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            } else {
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                console.log("Invalid url:", website)
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            }
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        }
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        if (properties["healthcare"] === "pharmacy") {
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            // we don't care about this tag
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            delete properties["healthcare"]
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        }
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    }
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    private async replay(match: PossibleMatch): Promise<ReplayResult> {
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        const history = await this.historyCached(match.osm_feature.properties["@id"])
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        let certainly_imported = match.d < 0.0001
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        let possibly_imported = false
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        const resting_properties = { ...match.external_feature.properties }
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        await this.normalize(resting_properties)
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        for (const historyElement of history) {
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            await this.normalize(historyElement.tags)
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            if (historyElement.tags.name === resting_properties.name) {
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                possibly_imported = true
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            }
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            for (const key in resting_properties) {
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                if (this.str_compare(historyElement.tags[key], resting_properties[key])) {
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                    delete resting_properties[key]
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                }
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            }
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        }
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        return {
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            certainly_imported,
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            possibly_imported,
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            resting_properties,
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        }
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    }
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    private str_compare(a, b): boolean {
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        if (a === undefined || b === undefined) {
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            return false
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        }
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        a = a.toLowerCase().replaceAll(/[éèáàüë].*$/g, "")
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        b = b.toLowerCase().replaceAll(/[éèáàüë].*$/g, "")
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        return a === b
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    }
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    private async calculateMatches(
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        external_features: Feature[],
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        osm_features: Feature[],
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        max_range: number
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    ): Promise<{ match: PossibleMatch; replayed: ReplayResult }[]> {
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        const matches: { match: PossibleMatch; replayed: ReplayResult }[] = []
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        for (const f of external_features) {
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            const match = await this.calculateMatch(osm_features, f, max_range)
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            if (match) {
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                matches.push(match)
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            }
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        }
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        return matches
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    }
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    private async calculateMatch(
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        osm_features: Feature[],
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        externalFeature: Feature,
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        max_range: number
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    ): Promise<{ match: PossibleMatch; replayed: ReplayResult }> {
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        const possibleMatches = this.findPossibleMatchesFor(
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            osm_features,
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            externalFeature,
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            max_range
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        )
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        let bestMatch: PossibleMatch = undefined
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        let bestMatchReplayed: ReplayResult = undefined
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        for (const possibleMatch of possibleMatches) {
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            const replayed = await this.replay(possibleMatch)
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            if (
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                bestMatch === undefined ||
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                (replayed.certainly_imported && !bestMatchReplayed.possibly_imported) ||
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                (!bestMatchReplayed.certainly_imported &&
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                    replayed.possibly_imported &&
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                    !bestMatchReplayed.possibly_imported)
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            ) {
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                bestMatch = possibleMatch
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                bestMatchReplayed = replayed
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            }
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        }
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        if (bestMatch === undefined) {
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            return undefined
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        }
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        return {
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            replayed: bestMatchReplayed,
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            match: bestMatch,
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        }
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    }
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    private levenshteinDistancePharmacy(a?: string, b?: string) {
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        a ??= ""
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        b ??= ""
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        a = a.toLowerCase()
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        b = b.toLowerCase()
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        return Math.min(
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            ...["", "pharmacie", "apotheek", "pharmacie de", "apotheke"].map((prefix) =>
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                Math.min(
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                    Utils.levenshteinDistance(a, prefix + b),
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                    Utils.levenshteinDistance(prefix + a, b)
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                )
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            )
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						|
        )
 | 
						|
    }
 | 
						|
 | 
						|
    private conflate(
 | 
						|
        osmFeature: Record<string, string>,
 | 
						|
        externalFeature: Record<string, string>
 | 
						|
    ): string[] {
 | 
						|
        const r: string[] = []
 | 
						|
 | 
						|
        for (const externalFeatureKey in externalFeature) {
 | 
						|
            if (
 | 
						|
                [
 | 
						|
                    "status",
 | 
						|
                    "healthcare",
 | 
						|
                    "unmeasurable_reason",
 | 
						|
                    "timestamp_created",
 | 
						|
                    "timestamp_last_modified",
 | 
						|
                ].indexOf(externalFeatureKey) >= 0
 | 
						|
            ) {
 | 
						|
                continue
 | 
						|
            }
 | 
						|
            const v = externalFeature[externalFeatureKey]
 | 
						|
            const osmV = osmFeature[externalFeatureKey]
 | 
						|
            if (osmV === undefined) {
 | 
						|
                r.push("+" + externalFeatureKey + "=" + v)
 | 
						|
            } else if (osmV !== v) {
 | 
						|
                r.push("~" + externalFeatureKey + "=" + v + " (osm: " + osmV + ")")
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return r.map((l) => l.replace(/\n/g, "\\n"))
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
new Conflate().run()
 |