forked from MapComplete/MapComplete
306 lines
No EOL
11 KiB
TypeScript
306 lines
No EOL
11 KiB
TypeScript
import escapeHtml from "escape-html";
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// @ts-ignore
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import {OsmConnection, UserDetails} from "./OsmConnection";
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import {UIEventSource} from "../UIEventSource";
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import {ElementStorage} from "../ElementStorage";
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import State from "../../State";
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import Locale from "../../UI/i18n/Locale";
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import Constants from "../../Models/Constants";
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import {OsmObject} from "./OsmObject";
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import LayoutConfig from "../../Models/ThemeConfig/LayoutConfig";
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export class ChangesetHandler {
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public readonly currentChangeset: UIEventSource<string>;
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private readonly _dryRun: boolean;
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private readonly userDetails: UIEventSource<UserDetails>;
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private readonly auth: any;
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constructor(layoutName: string, dryRun: boolean, osmConnection: OsmConnection, auth) {
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this._dryRun = dryRun;
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this.userDetails = osmConnection.userDetails;
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this.auth = auth;
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this.currentChangeset = osmConnection.GetPreference("current-open-changeset-" + layoutName);
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if (dryRun) {
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console.log("DRYRUN ENABLED");
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}
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}
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private static parseUploadChangesetResponse(response: XMLDocument, allElements: ElementStorage): void {
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const nodes = response.getElementsByTagName("node");
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// @ts-ignore
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for (const node of nodes) {
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const oldId = parseInt(node.attributes.old_id.value);
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if (node.attributes.new_id === undefined) {
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// We just removed this point!
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const element = allElements.getEventSourceById("node/" + oldId);
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element.data._deleted = "yes"
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element.ping();
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continue;
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}
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const newId = parseInt(node.attributes.new_id.value);
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if (oldId !== undefined && newId !== undefined &&
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!isNaN(oldId) && !isNaN(newId)) {
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if (oldId == newId) {
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continue;
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}
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console.log("Rewriting id: ", oldId, "-->", newId);
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const element = allElements.getEventSourceById("node/" + oldId);
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element.data.id = "node/" + newId;
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allElements.addElementById("node/" + newId, element);
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element.ping();
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}
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}
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}
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/**
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* The full logic to upload a change to one or more elements.
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*
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* This method will attempt to reuse an existing, open changeset for this theme (or open one if none available).
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* Then, it will upload a changes-xml within this changeset (and leave the changeset open)
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* When upload is successfull, eventual id-rewriting will be handled (aka: don't worry about that)
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*
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* If 'dryrun' is specified, the changeset XML will be printed to console instead of being uploaded
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*
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*/
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public UploadChangeset(
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layout: LayoutConfig,
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allElements: ElementStorage,
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generateChangeXML: (csid: string) => string,
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whenDone: (csId: string) => void,
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onFail: () => void) {
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if (this.userDetails.data.csCount == 0) {
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// The user became a contributor!
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this.userDetails.data.csCount = 1;
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this.userDetails.ping();
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}
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if (this._dryRun) {
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const changesetXML = generateChangeXML("123456");
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console.log(changesetXML);
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whenDone("123456")
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return;
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}
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const self = this;
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if (this.currentChangeset.data === undefined || this.currentChangeset.data === "") {
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// We have to open a new changeset
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this.OpenChangeset(layout, (csId) => {
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this.currentChangeset.setData(csId);
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const changeset = generateChangeXML(csId);
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console.log(changeset);
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self.AddChange(csId, changeset,
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allElements,
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whenDone,
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(e) => {
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console.error("UPLOADING FAILED!", e)
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onFail()
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}
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)
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}, {
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onFail: onFail
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})
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} else {
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// There still exists an open changeset (or at least we hope so)
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const csId = this.currentChangeset.data;
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self.AddChange(
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csId,
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generateChangeXML(csId),
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allElements,
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whenDone,
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(e) => {
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console.warn("Could not upload, changeset is probably closed: ", e);
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// Mark the CS as closed...
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this.currentChangeset.setData("");
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// ... and try again. As the cs is closed, no recursive loop can exist
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self.UploadChangeset(layout, allElements, generateChangeXML, whenDone, onFail);
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}
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)
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}
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}
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/**
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* Deletes the element with the given ID from the OSM database.
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* DOES NOT PERFORM ANY SAFETY CHECKS!
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*
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* For the deletion of an element, a new, separate changeset is created with a slightly changed comment and some extra flags set.
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* The CS will be closed afterwards.
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*
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* If dryrun is specified, will not actually delete the point but print the CS-XML to console instead
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*
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*/
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public DeleteElement(object: OsmObject,
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layout: LayoutConfig,
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reason: string,
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allElements: ElementStorage,
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continuation: () => void) {
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function generateChangeXML(csId: string) {
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let [lat, lon] = object.centerpoint();
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let changes = `<osmChange version='0.6' generator='Mapcomplete ${Constants.vNumber}'>`;
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changes +=
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`<delete><${object.type} id="${object.id}" version="${object.version}" changeset="${csId}" lat="${lat}" lon="${lon}" /></delete>`;
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changes += "</osmChange>";
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continuation()
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return changes;
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}
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if (this._dryRun) {
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const changesetXML = generateChangeXML("123456");
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console.log(changesetXML);
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return;
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}
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const self = this;
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this.OpenChangeset(layout, (csId: string) => {
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// The cs is open - let us actually upload!
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const changes = generateChangeXML(csId)
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self.AddChange(csId, changes, allElements, (csId) => {
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console.log("Successfully deleted ", object.id)
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self.CloseChangeset(csId, continuation)
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}, (csId) => {
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alert("Deletion failed... Should not happend")
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// FAILED
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self.CloseChangeset(csId, continuation)
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})
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}, {
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isDeletionCS: true,
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deletionReason: reason
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}
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)
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}
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private CloseChangeset(changesetId: string = undefined, continuation: (() => void) = () => {
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}) {
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if (changesetId === undefined) {
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changesetId = this.currentChangeset.data;
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}
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if (changesetId === undefined) {
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return;
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}
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console.log("closing changeset", changesetId);
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this.currentChangeset.setData("");
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this.auth.xhr({
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method: 'PUT',
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path: '/api/0.6/changeset/' + changesetId + '/close',
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}, function (err, response) {
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if (response == null) {
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console.log("err", err);
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}
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console.log("Closed changeset ", changesetId)
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if (continuation !== undefined) {
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continuation();
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}
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});
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}
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private OpenChangeset(
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layout: LayoutConfig,
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continuation: (changesetId: string) => void,
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options?: {
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isDeletionCS?: boolean,
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deletionReason?: string,
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onFail?: () => void
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}
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) {
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options = options ?? {}
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options.isDeletionCS = options.isDeletionCS ?? false
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const commentExtra = layout.changesetmessage !== undefined ? " - " + layout.changesetmessage : "";
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let comment = `Adding data with #MapComplete for theme #${layout.id}${commentExtra}`
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if (options.isDeletionCS) {
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comment = `Deleting a point with #MapComplete for theme #${layout.id}${commentExtra}`
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if (options.deletionReason) {
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comment += ": " + options.deletionReason;
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}
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}
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let path = window.location.pathname;
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path = path.substr(1, path.lastIndexOf("/"));
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const metadata = [
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["created_by", `MapComplete ${Constants.vNumber}`],
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["comment", comment],
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["deletion", options.isDeletionCS ? "yes" : undefined],
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["theme", layout.id],
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["language", Locale.language.data],
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["host", window.location.host],
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["path", path],
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["source", State.state.currentGPSLocation.data !== undefined ? "survey" : undefined],
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["imagery", State.state.backgroundLayer.data.id],
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["theme-creator", layout.maintainer]
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]
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.filter(kv => (kv[1] ?? "") !== "")
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.map(kv => `<tag k="${kv[0]}" v="${escapeHtml(kv[1])}"/>`)
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.join("\n")
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this.auth.xhr({
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method: 'PUT',
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path: '/api/0.6/changeset/create',
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options: {header: {'Content-Type': 'text/xml'}},
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content: [`<osm><changeset>`,
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metadata,
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`</changeset></osm>`].join("")
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}, function (err, response) {
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if (response === undefined) {
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console.log("err", err);
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if(options.onFail){
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options.onFail()
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}
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return;
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} else {
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continuation(response);
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}
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});
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}
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/**
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* Upload a changesetXML
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* @param changesetId
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* @param changesetXML
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* @param allElements
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* @param continuation
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* @param onFail
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* @constructor
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* @private
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*/
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private AddChange(changesetId: string,
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changesetXML: string,
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allElements: ElementStorage,
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continuation: ((changesetId: string) => void),
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onFail: ((changesetId: string, reason: string) => void) = undefined) {
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this.auth.xhr({
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method: 'POST',
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options: {header: {'Content-Type': 'text/xml'}},
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path: '/api/0.6/changeset/' + changesetId + '/upload',
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content: changesetXML
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}, function (err, response) {
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if (response == null) {
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console.log("err", err);
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if (onFail) {
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onFail(changesetId, err);
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}
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return;
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}
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ChangesetHandler.parseUploadChangesetResponse(response, allElements);
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console.log("Uploaded changeset ", changesetId);
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continuation(changesetId);
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});
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}
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} |