Refactoring: move all code files into a src directory

src/Logic/ImageProviders/Mapillary.ts

@@ -0,0 +1,115 @@
+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"]
+
+    /**
+     * Indicates that this is the same URL
+     * Ignores 'stp' parameter
+     *
+     * const a = "https://scontent-bru2-1.xx.fbcdn.net/m1/v/t6/An8xm5SGLt20ETziNqzhhBd8b8S5GHLiIu8N6BbyqHFohFAQoaJJPG8i5yQiSwjYmEqXSfVeoCmpiyBJICEkQK98JOB21kkJoBS8VdhYa-Ty93lBnznQyesJBtKcb32foGut2Hgt10hEMWJbE3dDgA?stp=s1024x768&ccb=10-5&oh=00_AT-ZGTXHzihoaQYBILmEiAEKR64z_IWiTlcAYq_D7Ka0-Q&oe=6278C456&_nc_sid=122ab1"
+     * const b = "https://scontent-bru2-1.xx.fbcdn.net/m1/v/t6/An8xm5SGLt20ETziNqzhhBd8b8S5GHLiIu8N6BbyqHFohFAQoaJJPG8i5yQiSwjYmEqXSfVeoCmpiyBJICEkQK98JOB21kkJoBS8VdhYa-Ty93lBnznQyesJBtKcb32foGut2Hgt10hEMWJbE3dDgA?stp=s256x192&ccb=10-5&oh=00_AT9BZ1Rpc9zbY_uNu92A_4gj1joiy1b6VtgtLIu_7wh9Bg&oe=6278C456&_nc_sid=122ab1"
+     * Mapillary.sameUrl(a, b) => true
+     */
+    static sameUrl(a: string, b: string): boolean {
+        if (a === b) {
+            return true
+        }
+        try {
+            const aUrl = new URL(a)
+            const bUrl = new URL(b)
+            if (aUrl.host !== bUrl.host || aUrl.pathname !== bUrl.pathname) {
+                return false
+            }
+            let allSame = true
+            aUrl.searchParams.forEach((value, key) => {
+                if (key === "stp") {
+                    // This is the key indicating the image size on mapillary; we ignore it
+                    return
+                }
+                if (value !== bUrl.searchParams.get(key)) {
+                    allSame = false
+                    return
+                }
+            })
+            return allSame
+        } catch (e) {
+            console.debug("Could not compare ", a, "and", b, "due to", e)
+        }
+        return false
+    }
+
+    /**
+     * 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)
+        } else if (value.match("[0-9]*")) {
+            key = value
+        }
+
+        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)]
+    }
+
+    public 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.downloadJsonCached(metadataUrl, 60 * 60)
+        const url = <string>response["thumb_1024_url"]
+        return {
+            url: url,
+            provider: this,
+            key: key,
+        }
+    }
+}