forked from MapComplete/MapComplete
		
	
		
			
				
	
	
		
			392 lines
		
	
	
	
		
			14 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			392 lines
		
	
	
	
		
			14 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import Script from "./Script"
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import { Overpass } from "../src/Logic/Osm/Overpass"
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import { RegexTag } from "../src/Logic/Tags/RegexTag"
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import { ImmutableStore } from "../src/Logic/UIEventSource"
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import { BBox } from "../src/Logic/BBox"
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import * as fs from "fs"
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import { writeFileSync } from "fs"
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import { Feature } from "geojson"
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import ScriptUtils from "./ScriptUtils"
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import { Imgur } from "../src/Logic/ImageProviders/Imgur"
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import { LicenseInfo } from "../src/Logic/ImageProviders/LicenseInfo"
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import { Utils } from "../src/Utils"
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import Constants from "../src/Models/Constants"
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export default class GenerateImageAnalysis extends Script {
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    constructor() {
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        super(
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            "Downloads (from overpass) all tags which have an imgur-image; then analyses the licenses"
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        )
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    }
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    async fetchImages(key: string, datapath: string, refresh: boolean): Promise<void> {
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        const targetPath = `${datapath}/features_with_${key.replace(/[:\/]/, "_")}.geojson`
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        if (fs.existsSync(targetPath) && !refresh) {
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            console.log("Skipping", key)
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            return
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        }
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        const tag = new RegexTag(key, /^https:\/\/i.imgur.com\/.*$/i)
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        const overpass = new Overpass(
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            tag,
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            [],
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            Constants.defaultOverpassUrls[0], //"https://overpass.kumi.systems/api/interpreter",
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            new ImmutableStore(500),
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            false
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        )
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        console.log("Starting query...")
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        const data = await overpass.queryGeoJson(BBox.global)
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        console.log(
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            "Got data:",
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            data[0].features.length,
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            "items; timestamp:",
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            data[1].toISOString()
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        )
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        fs.writeFileSync(targetPath, JSON.stringify(data[0]), "utf8")
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        console.log("Written", targetPath)
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    }
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    async downloadData(datapath: string, refresh: boolean): Promise<void> {
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        if (!fs.existsSync(datapath)) {
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            fs.mkdirSync(datapath)
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        }
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        await this.fetchImages("image", datapath, refresh)
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        await this.fetchImages("image:streetsign", datapath, refresh)
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        for (let i = 0; i < 5; i++) {
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            await this.fetchImages("image:" + i, datapath, refresh)
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        }
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    }
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    loadData(datapath: string): Feature[] {
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        const allFeatures: Feature[] = []
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        const files = ScriptUtils.readDirRecSync(datapath)
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        for (const file of files) {
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            if (!file.endsWith(".geojson")) {
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                continue
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            }
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            const contents = JSON.parse(fs.readFileSync(file, "utf8"))
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            allFeatures.push(...contents.features)
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        }
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        return allFeatures
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    }
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    async fetchImageMetadata(datapath: string, image: string): Promise<boolean> {
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        if (image === undefined) {
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            return false
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        }
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        if (!image.match(/https:\/\/i\.imgur\.com\/[a-zA-Z0-9]+\.jpg/)) {
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            return false
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        }
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        const filename = image.replace(/[\/:.\-%]/g, "_") + ".json"
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        const targetPath = datapath + "/" + filename
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        if (fs.existsSync(targetPath)) {
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            return false
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        }
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        const attribution = await Imgur.singleton.DownloadAttribution(image)
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        if ((attribution.artist ?? "") === "") {
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            // This is an invalid attribution. We save the raw response as well
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            const hash = image.substr("https://i.imgur.com/".length).split(".jpg")[0]
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            const apiUrl = "https://api.imgur.com/3/image/" + hash
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            const response = await Utils.downloadJsonCached(apiUrl, 365 * 24 * 60 * 60, {
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                Authorization: "Client-ID " + Constants.ImgurApiKey,
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            })
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            const rawTarget = datapath + "/raw/" + filename
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            console.log("Also storing the raw response to", rawTarget)
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            await fs.writeFileSync(rawTarget, JSON.stringify(response, null, "    "))
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        }
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        await fs.writeFileSync(targetPath, JSON.stringify(attribution, null, "    "))
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        return true
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    }
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    loadImageUrls(datapath: string): { allImages: Set<string>; imageSource: Map<string, string> } {
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        let allImages = new Set<string>()
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        const features = this.loadData(datapath)
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        let imageSource: Map<string, string> = new Map<string, string>()
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        for (const feature of features) {
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            allImages.add(feature.properties["image"])
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            imageSource[feature.properties["image"]] = feature.properties.id
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            allImages.add(feature.properties["image:streetsign"])
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            imageSource[feature.properties["image:streetsign"]] =
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                feature.properties.id + " (streetsign)"
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            for (let i = 0; i < 10; i++) {
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                allImages.add(feature.properties["image:" + i])
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                imageSource[
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                    feature.properties["image:" + i]
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                ] = `${feature.properties.id} (image:${i})`
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            }
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        }
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        allImages.delete(undefined)
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        allImages.delete(null)
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        imageSource.delete(undefined)
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        imageSource.delete(null)
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        return { allImages, imageSource }
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    }
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    async downloadMetadata(datapath: string): Promise<void> {
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        const { allImages, imageSource } = this.loadImageUrls(datapath)
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        console.log("Detected", allImages.size, "images")
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        let i = 0
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        let d = 0
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        let s = 0
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        let f = 0
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        let start = Date.now()
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        for (const image of Array.from(allImages)) {
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            i++
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            try {
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                const downloaded = await this.fetchImageMetadata(datapath, image)
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                const runningSecs = (Date.now() - start) / 1000
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                const left = allImages.size - i
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                const estimatedActualSeconds = Math.floor((left * runningSecs) / (f + d))
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                const estimatedActualMinutes = Math.floor(estimatedActualSeconds / 60)
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                const msg = `${i}/${
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                    allImages.size
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                } downloaded: ${d},skipped: ${s}, failed: ${f}, running: ${Math.floor(
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                    runningSecs
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                )}sec, ETA: ${estimatedActualMinutes}:${estimatedActualSeconds % 60}`
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                if (d + (f % 1000) === 1 || downloaded) {
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                    ScriptUtils.erasableLog(msg)
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                }
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                if (downloaded) {
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                    d++
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                } else {
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                    s++
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                }
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                if (d + f == 75000) {
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                    console.log("Used 75000 API calls, leaving 5000 for the rest of the day...")
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                    break
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                }
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            } catch (e) {
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                // console.log(e)
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                console.log(
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                    "Offending image hash is",
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                    image,
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                    "from https://openstreetmap.org/" + imageSource[image]
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                )
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                f++
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            }
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        }
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    }
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    async downloadImage(url: string, imagePath: string): Promise<boolean> {
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        const filenameLong = url.replace(/[\/:.\-%]/g, "_") + ".jpg"
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        const targetPathLong = imagePath + "/" + filenameLong
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        const filename = url.substring("https://i.imgur.com/".length)
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        const targetPath = imagePath + "/" + filename
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        if (fs.existsSync(targetPathLong)) {
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            if (fs.existsSync(targetPath)) {
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                fs.unlinkSync(targetPathLong)
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                console.log("Unlinking duplicate")
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                return false
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            }
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            console.log("Renaming...")
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            fs.renameSync(targetPathLong, targetPath)
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            return false
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        }
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        if (fs.existsSync(targetPath)) {
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            return false
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        }
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        await ScriptUtils.DownloadFileTo(url, targetPath)
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        return true
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    }
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    async downloadAllImages(datapath: string, imagePath: string): Promise<void> {
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        const { allImages } = this.loadImageUrls(datapath)
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        let skipped = 0
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        let failed = 0
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        let downloaded = 0
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        let invalid = 0
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        const startTime = Date.now()
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        const urls = Array.from(allImages).filter((url) => url.startsWith("https://i.imgur.com"))
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        for (const url of urls) {
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            const runningTime = (Date.now() - startTime) / 1000
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            const handled = skipped + downloaded + failed
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            const itemsLeft = allImages.size - handled
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            const speed = handled / runningTime
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            const timeLeft = Math.round(itemsLeft * speed)
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            try {
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                const urls = url.split(/[;,]/)
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                const downloadedStatus = await Promise.all(
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                    urls.map((url) => this.downloadImage(url.trim(), imagePath))
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                )
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                for (const b of downloadedStatus) {
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                    if (b) {
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                        downloaded += 1
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                    } else {
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                        skipped += 1
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                    }
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                }
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                if (downloadedStatus.some((i) => i) || skipped % 10000 === 0) {
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                    console.log(
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                        "Handled",
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                        url,
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                        JSON.stringify({
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                            skipped,
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                            failed,
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                            downloaded,
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                            invalid,
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                            total: allImages.size,
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                            eta: timeLeft + "s",
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                        })
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                    )
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                }
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            } catch (e) {
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                console.log(e)
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                failed++
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            }
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        }
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    }
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    analyze(datapath: string) {
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        const files = ScriptUtils.readDirRecSync(datapath)
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        const byAuthor = new Map<string, string[]>()
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        const byLicense = new Map<string, string[]>()
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        const licenseByAuthor = new Map<string, Set<string>>()
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        for (const file of files) {
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            if (!file.endsWith(".json")) {
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                continue
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            }
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            const attr = <LicenseInfo>JSON.parse(fs.readFileSync(file, { encoding: "utf8" }))
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            const license = attr.licenseShortName
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            if (license === undefined || attr.artist === undefined) {
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                continue
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            }
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            if (byAuthor.get(attr.artist) === undefined) {
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                byAuthor.set(attr.artist, [])
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            }
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            byAuthor.get(attr.artist).push(file)
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            if (byLicense.get(license) === undefined) {
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                byLicense.set(license, [])
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            }
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            byLicense.get(license).push(file)
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            if (licenseByAuthor.get(license) === undefined) {
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                licenseByAuthor.set(license, new Set<string>())
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            }
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            licenseByAuthor.get(license).add(attr.artist)
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        }
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        byAuthor.delete(undefined)
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        byLicense.delete(undefined)
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        licenseByAuthor.delete(undefined)
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        const byLicenseCount = Utils.MapToObj(byLicense, (a) => a.length)
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        const byAuthorCount = Utils.MapToObj(byAuthor, (a) => a.length)
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        const licenseByAuthorCount = Utils.MapToObj(licenseByAuthor, (a) => a.size)
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        const countsPerAuthor: number[] = Array.from(Object.keys(byAuthorCount)).map(
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            (k) => byAuthorCount[k]
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        )
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        console.log(countsPerAuthor)
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        countsPerAuthor.sort()
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        const median = countsPerAuthor[Math.floor(countsPerAuthor.length / 2)]
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        const json: {
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            leaderboard: { rank: number; account: string; name: string; nrOfImages: number }[]
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        } = {
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            leaderboard: [],
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        }
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        for (let i = 0; i < 100; i++) {
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            let maxAuthor: string = undefined
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            let maxCount = 0
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            for (const author in byAuthorCount) {
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                const count = byAuthorCount[author]
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                if (maxAuthor === undefined || count > maxCount) {
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                    maxAuthor = author
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                    maxCount = count
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                }
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            }
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            json.leaderboard.push({
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                rank: i + 1,
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                name: maxAuthor,
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                account: "https://openstreetmap.org/user/" + maxAuthor.replace(/ /g, "%20"),
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                nrOfImages: maxCount,
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            })
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            console.log(
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                "|",
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                i + 1,
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                "|",
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                `[${maxAuthor}](https://openstreetmap.org/user/${maxAuthor.replace(/ /g, "%20")})`,
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                "|",
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                maxCount,
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                "|"
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            )
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            delete byAuthorCount[maxAuthor]
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        }
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        const totalAuthors = byAuthor.size
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        let totalLicensedImages = 0
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        json["totalAuthors"] = totalAuthors
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        for (const license in byLicenseCount) {
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            totalLicensedImages += byLicenseCount[license]
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        }
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        json["byLicense"] = {}
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        for (const license in byLicenseCount) {
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            const total = byLicenseCount[license]
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            const authors = licenseByAuthorCount[license]
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            console.log(
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                `License ${license}: ${total} total pictures (${
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                    Math.floor((1000 * total) / totalLicensedImages) / 10
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                }%), ${authors} authors (${
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                    Math.floor((1000 * authors) / totalAuthors) / 10
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                }%), ${Math.floor(total / authors)} images/author`
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            )
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            json["byLicense"] = {
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                license,
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                total,
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                authors,
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            }
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        }
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        const nonDefaultAuthors = [
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            ...Array.from(licenseByAuthor.get("CC-BY 4.0").values()),
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            ...Array.from(licenseByAuthor.get("CC-BY-SA 4.0").values()),
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        ]
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        console.log(
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            "Total number of correctly licenses pictures: ",
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            totalLicensedImages,
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            "(out of ",
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            files.length,
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            " images)"
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        )
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        console.log("Total number of authors:", byAuthor.size)
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        console.log(
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            "Total number of authors which used a valid, non CC0 license at one point in time",
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            nonDefaultAuthors.length
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        )
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        console.log("Median contributions per author:", median)
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        json["median"] = median
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        json["date"] = new Date().toISOString()
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        writeFileSync(
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            "../../git/MapComplete-data/picture-leaderboard.json",
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            JSON.stringify(json),
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            "utf8"
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        )
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    }
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    async main(args: string[]): Promise<void> {
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        console.log("Usage: [--cached] to use the cached osm data")
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        console.log("Args are", args)
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        const cached = args.indexOf("--cached") < 0
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        args = args.filter((a) => a !== "--cached")
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        const datapath = args[0] ?? "../../git/MapComplete-data/ImageLicenseInfo"
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        await this.downloadData(datapath, cached)
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        await this.downloadMetadata(datapath)
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        await this.downloadAllImages(datapath, "/home/pietervdvn/data/imgur-image-backup")
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        this.analyze(datapath)
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    }
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}
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new GenerateImageAnalysis().run()
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