58 lines
1.6 KiB
TypeScript
58 lines
1.6 KiB
TypeScript
import {TagsFilter} from "./TagsFilter";
|
|
import * as OsmToGeoJson from "osmtogeojson";
|
|
import * as $ from "jquery";
|
|
import {Basemap} from "./Basemap";
|
|
import {UIEventSource} from "../UI/UIEventSource";
|
|
|
|
/**
|
|
* Interfaces overpass to get all the latest data
|
|
*/
|
|
export class Overpass {
|
|
|
|
|
|
private _filter: TagsFilter;
|
|
public static testUrl: string = null;
|
|
|
|
constructor(filter: TagsFilter) {
|
|
this._filter = filter;
|
|
}
|
|
|
|
private buildQuery(bbox: string): string {
|
|
const filters = this._filter.asOverpass();
|
|
let filter = "";
|
|
for (const filterOr of filters) {
|
|
filter += 'nwr' + filterOr + ';';
|
|
}
|
|
const query =
|
|
'[out:json][timeout:25]' + bbox + ';(' + filter + ');out body;>;out skel qt;';
|
|
console.log(query);
|
|
const url = "https://overpass-api.de/api/interpreter?data=" + encodeURIComponent(query);
|
|
return url;
|
|
}
|
|
|
|
|
|
queryGeoJson(bbox: string, continuation: ((any) => void), onFail: ((reason) => void)): void {
|
|
let query = this.buildQuery(bbox);
|
|
|
|
if(Overpass.testUrl !== null){
|
|
console.log("Using testing URL")
|
|
query = Overpass.testUrl;
|
|
}
|
|
|
|
$.getJSON(query,
|
|
function (json, status) {
|
|
console.log("status:", status)
|
|
if (status !== "success") {
|
|
console.log("Query failed")
|
|
onFail(status);
|
|
}
|
|
// @ts-ignore
|
|
const geojson = OsmToGeoJson.default(json);
|
|
continuation(geojson);
|
|
}).fail(onFail)
|
|
|
|
;
|
|
}
|
|
|
|
|
|
} |