411 lines
No EOL
15 KiB
TypeScript
411 lines
No EOL
15 KiB
TypeScript
import escapeHtml from "escape-html";
|
|
import UserDetails, {OsmConnection} from "./OsmConnection";
|
|
import {UIEventSource} from "../UIEventSource";
|
|
import {ElementStorage} from "../ElementStorage";
|
|
import Locale from "../../UI/i18n/Locale";
|
|
import Constants from "../../Models/Constants";
|
|
import {Changes} from "./Changes";
|
|
import {Utils} from "../../Utils";
|
|
|
|
export interface ChangesetTag {
|
|
key: string,
|
|
value: string | number,
|
|
aggregate?: boolean
|
|
}
|
|
|
|
export class ChangesetHandler {
|
|
|
|
private readonly allElements: ElementStorage;
|
|
private osmConnection: OsmConnection;
|
|
private readonly changes: Changes;
|
|
private readonly _dryRun: UIEventSource<boolean>;
|
|
private readonly userDetails: UIEventSource<UserDetails>;
|
|
private readonly auth: any;
|
|
private readonly backend: string;
|
|
|
|
/**
|
|
* Use 'osmConnection.CreateChangesetHandler' instead
|
|
* @param dryRun
|
|
* @param osmConnection
|
|
* @param allElements
|
|
* @param changes
|
|
* @param auth
|
|
*/
|
|
constructor(dryRun: UIEventSource<boolean>,
|
|
osmConnection: OsmConnection,
|
|
allElements: ElementStorage,
|
|
changes: Changes,
|
|
auth) {
|
|
this.osmConnection = osmConnection;
|
|
this.allElements = allElements;
|
|
this.changes = changes;
|
|
this._dryRun = dryRun;
|
|
this.userDetails = osmConnection.userDetails;
|
|
this.backend = osmConnection._oauth_config.url
|
|
this.auth = auth;
|
|
|
|
if (dryRun) {
|
|
console.log("DRYRUN ENABLED");
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* If the metatags contain a special motivation of the format "<change-type>:node/-<number>", this method will rewrite this negative number to the actual ID
|
|
* The key is changed _in place_; true will be returned if a change has been applied
|
|
* @param extraMetaTags
|
|
* @param rewriteIds
|
|
* @private
|
|
*/
|
|
private static rewriteMetaTags(extraMetaTags: ChangesetTag[], rewriteIds: Map<string, string>) {
|
|
let hasChange = false;
|
|
for (const tag of extraMetaTags) {
|
|
const match = tag.key.match(/^([a-zA-Z0-9_]+):(node\/-[0-9])$/)
|
|
if (match == null) {
|
|
continue
|
|
}
|
|
// This is a special motivation which has a negative ID -> we check for rewrites
|
|
const [_, reason, id] = match
|
|
if (rewriteIds.has(id)) {
|
|
tag.key = reason + ":" + rewriteIds.get(id)
|
|
hasChange = true
|
|
}
|
|
}
|
|
return hasChange
|
|
}
|
|
|
|
/**
|
|
* The full logic to upload a change to one or more elements.
|
|
*
|
|
* This method will attempt to reuse an existing, open changeset for this theme (or open one if none available).
|
|
* Then, it will upload a changes-xml within this changeset (and leave the changeset open)
|
|
* When upload is successfull, eventual id-rewriting will be handled (aka: don't worry about that)
|
|
*
|
|
* If 'dryrun' is specified, the changeset XML will be printed to console instead of being uploaded
|
|
*
|
|
*/
|
|
public async UploadChangeset(
|
|
generateChangeXML: (csid: number) => string,
|
|
extraMetaTags: ChangesetTag[],
|
|
openChangeset: UIEventSource<number>): Promise<void> {
|
|
|
|
if (!extraMetaTags.some(tag => tag.key === "comment") || !extraMetaTags.some(tag => tag.key === "theme")) {
|
|
throw "The meta tags should at least contain a `comment` and a `theme`"
|
|
}
|
|
|
|
if (this.userDetails.data.csCount == 0) {
|
|
// The user became a contributor!
|
|
this.userDetails.data.csCount = 1;
|
|
this.userDetails.ping();
|
|
}
|
|
if (this._dryRun.data) {
|
|
const changesetXML = generateChangeXML(123456);
|
|
console.log("Metatags are", extraMetaTags)
|
|
console.log(changesetXML);
|
|
return;
|
|
}
|
|
|
|
if (openChangeset.data === undefined) {
|
|
// We have to open a new changeset
|
|
try {
|
|
const csId = await this.OpenChangeset(extraMetaTags)
|
|
openChangeset.setData(csId);
|
|
const changeset = generateChangeXML(csId);
|
|
console.trace("Opened a new changeset (openChangeset.data is undefined):", changeset);
|
|
const changes = await this.AddChange(csId, changeset)
|
|
const hasSpecialMotivationChanges = ChangesetHandler.rewriteMetaTags(extraMetaTags, changes)
|
|
if(hasSpecialMotivationChanges){
|
|
// At this point, 'extraMetaTags' will have changed - we need to set the tags again
|
|
this.UpdateTags(csId, extraMetaTags)
|
|
}
|
|
|
|
} catch (e) {
|
|
console.error("Could not open/upload changeset due to ", e)
|
|
openChangeset.setData(undefined)
|
|
}
|
|
} else {
|
|
// There still exists an open changeset (or at least we hope so)
|
|
// Let's check!
|
|
const csId = openChangeset.data;
|
|
try {
|
|
|
|
const oldChangesetMeta = await this.GetChangesetMeta(csId)
|
|
if (!oldChangesetMeta.open) {
|
|
// Mark the CS as closed...
|
|
console.log("Could not fetch the metadata from the already open changeset")
|
|
openChangeset.setData(undefined);
|
|
// ... and try again. As the cs is closed, no recursive loop can exist
|
|
await this.UploadChangeset(generateChangeXML, extraMetaTags, openChangeset)
|
|
return;
|
|
}
|
|
|
|
const rewritings = await this.AddChange(
|
|
csId,
|
|
generateChangeXML(csId))
|
|
|
|
await this.RewriteTagsOf(extraMetaTags, rewritings, oldChangesetMeta)
|
|
|
|
} catch (e) {
|
|
console.warn("Could not upload, changeset is probably closed: ", e);
|
|
openChangeset.setData(undefined);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Updates the metatag of a changeset -
|
|
* @param extraMetaTags: new changeset tags to add/fuse with this changeset
|
|
* @param oldChangesetMeta: the metadata-object of the already existing changeset
|
|
* @constructor
|
|
* @private
|
|
*/
|
|
private async RewriteTagsOf(extraMetaTags: ChangesetTag[],
|
|
rewriteIds: Map<string, string>,
|
|
oldChangesetMeta: {
|
|
open: boolean,
|
|
id: number
|
|
uid: number, // User ID
|
|
changes_count: number,
|
|
tags: any
|
|
}) {
|
|
|
|
const csId = oldChangesetMeta.id
|
|
|
|
// Note: extraMetaTags is where all the tags are collected into
|
|
|
|
// same as 'extraMetaTag', but indexed
|
|
// Note that updates to 'extraTagsById.get(<key>).value = XYZ' is shared with extraMetatags
|
|
const extraTagsById = new Map<string, ChangesetTag>()
|
|
for (const extraMetaTag of extraMetaTags) {
|
|
extraTagsById.set(extraMetaTag.key, extraMetaTag)
|
|
}
|
|
|
|
const oldCsTags = oldChangesetMeta.tags
|
|
for (const key in oldCsTags) {
|
|
const newMetaTag = extraTagsById.get(key)
|
|
const existingValue = oldCsTags[key]
|
|
|
|
if (newMetaTag !== undefined && newMetaTag.value === existingValue) {
|
|
continue
|
|
}
|
|
if (newMetaTag === undefined) {
|
|
extraMetaTags.push({
|
|
key: key,
|
|
value: oldCsTags[key]
|
|
})
|
|
continue
|
|
}
|
|
|
|
if (newMetaTag.aggregate) {
|
|
let n = Number(newMetaTag.value)
|
|
if (isNaN(n)) {
|
|
n = 0
|
|
}
|
|
let o = Number(oldCsTags[key])
|
|
if (isNaN(o)) {
|
|
o = 0
|
|
}
|
|
// We _update_ the tag itself, as it'll be updated in 'extraMetaTags' straight away
|
|
newMetaTag.value = "" + (n + o)
|
|
} else {
|
|
// The old value is overwritten, thus we drop this old key
|
|
}
|
|
}
|
|
|
|
|
|
ChangesetHandler.rewriteMetaTags(extraMetaTags, rewriteIds)
|
|
|
|
await this.UpdateTags(csId, extraMetaTags)
|
|
|
|
|
|
}
|
|
|
|
private handleIdRewrite(node: any, type: string): [string, string] {
|
|
const oldId = parseInt(node.attributes.old_id.value);
|
|
if (node.attributes.new_id === undefined) {
|
|
// We just removed this point!
|
|
const element = this.allElements.getEventSourceById("node/" + oldId);
|
|
element.data._deleted = "yes"
|
|
element.ping();
|
|
return;
|
|
}
|
|
|
|
const newId = parseInt(node.attributes.new_id.value);
|
|
const result: [string, string] = [type + "/" + oldId, type + "/" + newId]
|
|
if (!(oldId !== undefined && newId !== undefined &&
|
|
!isNaN(oldId) && !isNaN(newId))) {
|
|
return undefined;
|
|
}
|
|
if (oldId == newId) {
|
|
return undefined;
|
|
}
|
|
const element = this.allElements.getEventSourceById("node/" + oldId);
|
|
if (element === undefined) {
|
|
// Element to rewrite not found, probably a node or relation that is not rendered
|
|
return undefined
|
|
}
|
|
element.data.id = type + "/" + newId;
|
|
this.allElements.addElementById(type + "/" + newId, element);
|
|
this.allElements.ContainingFeatures.set(type + "/" + newId, this.allElements.ContainingFeatures.get(type + "/" + oldId))
|
|
element.ping();
|
|
return result;
|
|
}
|
|
|
|
private parseUploadChangesetResponse(response: XMLDocument): Map<string, string> {
|
|
const nodes = response.getElementsByTagName("node");
|
|
const mappings = new Map<string, string>()
|
|
// @ts-ignore
|
|
for (const node of nodes) {
|
|
const mapping = this.handleIdRewrite(node, "node")
|
|
if (mapping !== undefined) {
|
|
mappings.set(mapping[0], mapping[1])
|
|
}
|
|
}
|
|
|
|
const ways = response.getElementsByTagName("way");
|
|
// @ts-ignore
|
|
for (const way of ways) {
|
|
const mapping = this.handleIdRewrite(way, "way")
|
|
if (mapping !== undefined) {
|
|
mappings.set(mapping[0], mapping[1])
|
|
}
|
|
}
|
|
this.changes.registerIdRewrites(mappings)
|
|
return mappings
|
|
|
|
}
|
|
|
|
private async CloseChangeset(changesetId: number = undefined): Promise<void> {
|
|
const self = this
|
|
return new Promise<void>(function (resolve, reject) {
|
|
if (changesetId === undefined) {
|
|
return;
|
|
}
|
|
self.auth.xhr({
|
|
method: 'PUT',
|
|
path: '/api/0.6/changeset/' + changesetId + '/close',
|
|
}, function (err, response) {
|
|
if (response == null) {
|
|
|
|
console.log("err", err);
|
|
}
|
|
console.log("Closed changeset ", changesetId)
|
|
resolve()
|
|
});
|
|
})
|
|
}
|
|
|
|
private async GetChangesetMeta(csId: number): Promise<{
|
|
id: number,
|
|
open: boolean,
|
|
uid: number,
|
|
changes_count: number,
|
|
tags: any
|
|
}> {
|
|
const url = `${this.backend}/api/0.6/changeset/${csId}`
|
|
const csData = await Utils.downloadJson(url)
|
|
return csData.elements[0]
|
|
}
|
|
|
|
|
|
/**
|
|
* Puts the specified tags onto the changesets as they are.
|
|
* This method will erase previously set tags
|
|
*/
|
|
private async UpdateTags(
|
|
csId: number,
|
|
tags: ChangesetTag[]) {
|
|
|
|
console.trace("Updating tags of " + csId)
|
|
const self = this;
|
|
return new Promise<string>(function (resolve, reject) {
|
|
|
|
tags = Utils.NoNull(tags).filter(tag => tag.key !== undefined && tag.value !== undefined && tag.key !== "" && tag.value !== "")
|
|
const metadata = tags.map(kv => `<tag k="${kv.key}" v="${escapeHtml(kv.value)}"/>`)
|
|
|
|
self.auth.xhr({
|
|
method: 'PUT',
|
|
path: '/api/0.6/changeset/' + csId,
|
|
options: {header: {'Content-Type': 'text/xml'}},
|
|
content: [`<osm><changeset>`,
|
|
metadata,
|
|
`</changeset></osm>`].join("")
|
|
}, function (err, response) {
|
|
if (response === undefined) {
|
|
console.log("err", err);
|
|
reject(err)
|
|
} else {
|
|
resolve(response);
|
|
}
|
|
});
|
|
})
|
|
}
|
|
|
|
private OpenChangeset(
|
|
changesetTags: ChangesetTag[]
|
|
): Promise<number> {
|
|
const self = this;
|
|
return new Promise<number>(function (resolve, reject) {
|
|
|
|
let path = window.location.pathname;
|
|
path = path.substr(1, path.lastIndexOf("/"));
|
|
const metadata = [
|
|
["created_by", `MapComplete ${Constants.vNumber}`],
|
|
["locale", Locale.language.data],
|
|
["host", window.location.host],
|
|
["path", path],
|
|
["source", self.changes.state["currentUserLocation"]?.features?.data?.length > 0 ? "survey" : undefined],
|
|
["imagery", self.changes.state["backgroundLayer"]?.data?.id],
|
|
...changesetTags.map(cstag => [cstag.key, cstag.value])
|
|
]
|
|
.filter(kv => (kv[1] ?? "") !== "")
|
|
.map(kv => `<tag k="${kv[0]}" v="${escapeHtml(kv[1])}"/>`)
|
|
.join("\n")
|
|
|
|
|
|
self.auth.xhr({
|
|
method: 'PUT',
|
|
path: '/api/0.6/changeset/create',
|
|
options: {header: {'Content-Type': 'text/xml'}},
|
|
content: [`<osm><changeset>`,
|
|
metadata,
|
|
`</changeset></osm>`].join("")
|
|
}, function (err, response) {
|
|
if (response === undefined) {
|
|
console.log("err", err);
|
|
reject(err)
|
|
} else {
|
|
resolve(Number(response));
|
|
}
|
|
});
|
|
})
|
|
|
|
}
|
|
|
|
/**
|
|
* Upload a changesetXML
|
|
*/
|
|
private AddChange(changesetId: number,
|
|
changesetXML: string): Promise<Map<string, string>> {
|
|
const self = this;
|
|
return new Promise(function (resolve, reject) {
|
|
self.auth.xhr({
|
|
method: 'POST',
|
|
options: {header: {'Content-Type': 'text/xml'}},
|
|
path: '/api/0.6/changeset/' + changesetId + '/upload',
|
|
content: changesetXML
|
|
}, function (err, response) {
|
|
if (response == null) {
|
|
console.log("err", err);
|
|
reject(err);
|
|
}
|
|
const changes = self.parseUploadChangesetResponse(response);
|
|
console.log("Uploaded changeset ", changesetId);
|
|
resolve(changes);
|
|
});
|
|
})
|
|
|
|
}
|
|
|
|
|
|
} |