Bastian-Greshake-Tzovaras/MapComplete
1
0
Fork 0
forked from MapComplete/MapComplete
Code Pull requests Activity

Add wikipedia box

Browse source
This commit is contained in:
Pieter Vander Vennet 2021-10-02 22:31:16 +02:00
parent 1edf829cad
commit 8b4442c8cc
20 changed files with 401 additions and 149 deletions
Download patch file Download diff file Expand all files Collapse all files

30
Logic/ImageProviders/WikidataImageProvider.ts
View file

@ -3,6 +3,7 @@ import ImageProvider, {ProvidedImage} from "./ImageProvider";
import BaseUIElement from "../../UI/BaseUIElement";
import Svg from "../../Svg";
import {WikimediaImageProvider} from "./WikimediaImageProvider";
import Wikidata from "../Web/Wikidata";
export class WikidataImageProvider extends ImageProvider {
@ -22,31 +23,18 @@ export class WikidataImageProvider extends ImageProvider {
}
public async ExtractUrls(key: string, value: string): Promise<Promise<ProvidedImage>[]> {
const wikidataUrl = "https://www.wikidata.org/wiki/"
if (value.startsWith(wikidataUrl)) {
value = value.substring(wikidataUrl.length)
}
if(value.startsWith("http")){
// Probably some random link in the image field - we skip it
return undefined
}
if (!value.startsWith("Q")) {
value = "Q" + value
}
const url = "https://www.wikidata.org/wiki/Special:EntityData/" + value + ".json";
const response = await Utils.downloadJson(url)
const entity = response.entities[value];
const commons = entity.sitelinks.commonswiki;
const entity = await Wikidata.LoadWikidataEntry(value)
const allImages : Promise<ProvidedImage>[] = []
// P18 is the claim 'depicted in this image'
const image = entity.claims.P18?.[0]?.mainsnak?.datavalue?.value;
const allImages = []
if (image !== undefined) {
// We found a 'File://'
const promises = await WikimediaImageProvider.singleton.ExtractUrls(key, image)
for (const img of Array.from(entity.claims.get("P18") ?? [])) {
const promises = await WikimediaImageProvider.singleton.ExtractUrls(undefined, img)
allImages.push(...promises)
}
const commons =entity.wikisites.get("commons")
if (commons !== undefined) {
const promises = await WikimediaImageProvider.singleton.ExtractUrls(commons, image)
const promises = await WikimediaImageProvider.singleton.ExtractUrls(undefined , commons)
allImages.push(...promises)
}
return allImages