Add metadata to continuation
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pietervdvn
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1 changed files with 78 additions and 69 deletions
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@ -15,18 +15,16 @@ export abstract class OsmObject {
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this.type = type;
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}
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static DownloadObject(id, continuation: ((element: OsmObject) => void)) {
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static DownloadObject(id, continuation: ((element: OsmObject, meta: OsmObjectMeta) => void)) {
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const splitted = id.split("/");
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const type = splitted[0];
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const idN = splitted[1];
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const newContinuation = (element: OsmObject) => {
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console.log("Received: ",element);
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continuation(element);
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const newContinuation = (element: OsmObject, meta :OsmObjectMeta) => {
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console.log("Received: ", element, "with meta", meta);
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continuation(element, meta);
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}
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switch (type) {
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case("node"):
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return new OsmNode(idN).Download(newContinuation);
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@ -38,66 +36,7 @@ export abstract class OsmObject {
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}
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}
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abstract SaveExtraData(element);
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/**
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* Generates the changeset-XML for tags
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* @constructor
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*/
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TagsXML(): string {
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let tags = "";
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for (const key in this.tags) {
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const v = this.tags[key];
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if (v !== "") {
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tags += ' <tag k="' + Utils.EncodeXmlValue(key) + '" v="' + Utils.EncodeXmlValue(this.tags[key]) + '"/>\n'
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}
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}
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return tags;
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}
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Download(continuation: ((element: OsmObject) => void)) {
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const self = this;
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$.getJSON("https://www.openstreetmap.org/api/0.6/" + this.type + "/" + this.id,
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function (data) {
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const element = data.elements[0];
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self.tags = element.tags;
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self.version = element.version;
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self.SaveExtraData(element);
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continuation(self);
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}
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);
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return this;
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}
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public addTag(k: string, v: string): void {
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if (k in this.tags) {
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const oldV = this.tags[k];
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if (oldV == v) {
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return;
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}
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console.log("WARNING: overwriting ",oldV, " with ", v," for key ",k)
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}
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this.tags[k] = v;
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if(v === undefined || v === ""){
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delete this.tags[k];
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}
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this.changed = true;
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}
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protected VersionXML(){
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if(this.version === undefined){
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return "";
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}
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return 'version="'+this.version+'"';
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}
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abstract ChangesetXML(changesetId: string): string;
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public static DownloadAll(neededIds, knownElements: any = {}, continuation: ((knownObjects : any) => void)) {
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public static DownloadAll(neededIds, knownElements: any = {}, continuation: ((knownObjects: any) => void)) {
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// local function which downloads all the objects one by one
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// this is one big loop, running one download, then rerunning the entire function
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if (neededIds.length == 0) {
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@ -115,10 +54,71 @@ export abstract class OsmObject {
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OsmObject.DownloadObject(neededId,
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function (element) {
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knownElements[neededId] = element; // assign the element for later, continue downloading the next element
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OsmObject.DownloadAll(neededIds,knownElements, continuation);
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OsmObject.DownloadAll(neededIds, knownElements, continuation);
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}
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);
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}
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abstract SaveExtraData(element);
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/**
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* Generates the changeset-XML for tags
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* @constructor
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*/
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TagsXML(): string {
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let tags = "";
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for (const key in this.tags) {
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const v = this.tags[key];
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if (v !== "") {
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tags += ' <tag k="' + Utils.EncodeXmlValue(key) + '" v="' + Utils.EncodeXmlValue(this.tags[key]) + '"/>\n'
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}
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}
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return tags;
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}
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Download(continuation: ((element: OsmObject, meta: OsmObjectMeta) => void)) {
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const self = this;
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$.getJSON("https://www.openstreetmap.org/api/0.6/" + this.type + "/" + this.id,
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function (data) {
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const element = data.elements[0];
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self.tags = element.tags;
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self.version = element.version;
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self.SaveExtraData(element);
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continuation(self, {
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"_last_edit:contributor": element.user,
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"_last_edit:contributor:uid": element.uid,
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"_last_edit:changeset": element.changeset,
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"_last_edit:timestamp": new Date(element.timestamp),
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"_version_number": element.version
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});
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}
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);
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return this;
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}
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public addTag(k: string, v: string): void {
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if (k in this.tags) {
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const oldV = this.tags[k];
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if (oldV == v) {
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return;
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}
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console.log("WARNING: overwriting ", oldV, " with ", v, " for key ", k)
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}
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this.tags[k] = v;
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if (v === undefined || v === "") {
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delete this.tags[k];
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}
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this.changed = true;
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}
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abstract ChangesetXML(changesetId: string): string;
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protected VersionXML() {
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if (this.version === undefined) {
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return "";
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}
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return 'version="' + this.version + '"';
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}
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}
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@ -149,6 +149,15 @@ export class OsmNode extends OsmObject {
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}
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}
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export interface OsmObjectMeta{
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"_last_edit:contributor": string,
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"_last_edit:contributor:uid": number,
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"_last_edit:changeset": number,
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"_last_edit:timestamp": Date,
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"_version_number": number
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}
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export class OsmWay extends OsmObject {
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nodes: number[];
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