mapcomplete/Logic/ImageProviders/Mapillary.ts

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2.5 KiB
TypeScript

import ImageProvider, {ProvidedImage} from "./ImageProvider";
import BaseUIElement from "../../UI/BaseUIElement";
import Svg from "../../Svg";
import {Utils} from "../../Utils";
import {LicenseInfo} from "./LicenseInfo";
import Constants from "../../Models/Constants";
export class Mapillary extends ImageProvider {
public static readonly singleton = new Mapillary();
private static readonly valuePrefix = "https://a.mapillary.com"
public static readonly valuePrefixes = [Mapillary.valuePrefix, "http://mapillary.com", "https://mapillary.com", "http://www.mapillary.com", "https://www.mapillary.com"]
defaultKeyPrefixes = ["mapillary", "image"]
/**
* Returns the correct key for API v4.0
*/
private static ExtractKeyFromURL(value: string): number {
let key: string;
const newApiFormat = value.match(/https?:\/\/www.mapillary.com\/app\/\?pKey=([0-9]*)/)
if (newApiFormat !== null) {
key = newApiFormat[1]
} else if (value.startsWith(Mapillary.valuePrefix)) {
key = value.substring(0, value.lastIndexOf("?")).substring(value.lastIndexOf("/") + 1)
}
const keyAsNumber = Number(key)
if (!isNaN(keyAsNumber)) {
return keyAsNumber
}
return undefined
}
SourceIcon(backlinkSource?: string): BaseUIElement {
return Svg.mapillary_svg();
}
async ExtractUrls(key: string, value: string): Promise<Promise<ProvidedImage>[]> {
return [this.PrepareUrlAsync(key, value)]
}
protected async DownloadAttribution(url: string): Promise<LicenseInfo> {
const license = new LicenseInfo()
license.artist = "Contributor name unavailable";
license.license = "CC BY-SA 4.0";
// license.license = "Creative Commons Attribution-ShareAlike 4.0 International License";
license.attributionRequired = true;
return license
}
private async PrepareUrlAsync(key: string, value: string): Promise<ProvidedImage> {
const mapillaryId = Mapillary.ExtractKeyFromURL(value)
if (mapillaryId === undefined) {
return undefined;
}
const metadataUrl = 'https://graph.mapillary.com/' + mapillaryId + '?fields=thumb_1024_url&&access_token=' + Constants.mapillary_client_token_v4;
const response = await Utils.downloadJson(metadataUrl)
const url = <string>response["thumb_1024_url"];
return {
url: url,
provider: this,
key: key
}
}
}