First version which caches changesets if not uploaded

This commit is contained in:
Pieter Vander Vennet 2021-07-10 15:52:52 +02:00
parent d72dbc21df
commit 6732c12a0c
7 changed files with 84 additions and 41 deletions

View file

@ -7,6 +7,7 @@ import FeatureSource from "../FeatureSource/FeatureSource";
import {TagsFilter} from "../Tags/TagsFilter";
import {Tag} from "../Tags/Tag";
import {OsmConnection} from "./OsmConnection";
import {LocalStorageSource} from "../Web/LocalStorageSource";
/**
* Handles all changes made to OSM.
@ -24,8 +25,13 @@ export class Changes implements FeatureSource {
/**
* All the pending changes
*/
public readonly pending: UIEventSource<{ elementId: string, key: string, value: string }[]> =
new UIEventSource<{ elementId: string; key: string; value: string }[]>([]);
public readonly pending: UIEventSource<{ elementId: string, key: string, value: string }[]> = LocalStorageSource.GetParsed("pending-changes", [])
/**
* All the pending new objects to upload
* @private
*/
private readonly newObjects: UIEventSource<{ id: number, lat: number, lon: number }[]> = LocalStorageSource.GetParsed("newObjects", [])
/**
* Adds a change to the pending changes
@ -82,8 +88,7 @@ export class Changes implements FeatureSource {
if (flushreason !== undefined) {
console.log(flushreason)
}
this.uploadAll([], this.pending.data);
this.pending.setData([]);
this.uploadAll();
}
/**
@ -93,12 +98,12 @@ export class Changes implements FeatureSource {
*/
public createElement(basicTags: Tag[], lat: number, lon: number) {
console.log("Creating a new element with ", basicTags)
const osmNode = new OsmNode(Changes._nextId);
const newId = Changes._nextId;
Changes._nextId--;
const id = "node/" + osmNode.id;
osmNode.lat = lat;
osmNode.lon = lon;
const id = "node/" + newId;
const properties = {id: id};
const geojson = {
@ -135,22 +140,32 @@ export class Changes implements FeatureSource {
properties["_backend"] = State.state.osmConnection.userDetails.data.backend
}
// this.uploadAll([osmNode], changes);
this.newObjects.data.push({id: newId, lat: lat, lon: lon})
this.pending.data.push(...changes)
this.pending.ping();
this.newObjects.ping();
return geojson;
}
private uploadChangesWithLatestVersions(
knownElements: OsmObject[], newElements: OsmObject[], pending: { elementId: string; key: string; value: string }[]) {
knownElements: OsmObject[]) {
const knownById = new Map<string, OsmObject>();
knownElements.forEach(knownElement => {
knownById.set(knownElement.type + "/" + knownElement.id, knownElement)
})
const newElements: OsmNode [] = this.newObjects.data.map(spec => {
const newElement = new OsmNode(spec.id);
newElement.lat = spec.lat;
newElement.lon = spec.lon;
return newElement
})
// Here, inside the continuation, we know that all 'neededIds' are loaded in 'knownElements', which maps the ids onto the elements
// We apply the changes on them
for (const change of pending) {
for (const change of this.pending.data) {
if (parseInt(change.elementId.split("/")[1]) < 0) {
// This is a new element - we should apply this on one of the new elements
for (const newElement of newElements) {
@ -217,17 +232,19 @@ export class Changes implements FeatureSource {
changes += "</osmChange>";
return changes;
},
() => {
console.log("Upload successfull!")
this.newObjects.setData([])
this.pending.setData([]);
});
};
private uploadAll(
newElements: OsmObject[],
pending: { elementId: string; key: string; value: string }[]
) {
private uploadAll() {
const self = this;
const pending = this.pending.data;
let neededIds: string[] = [];
for (const change of pending) {
const id = change.elementId;
@ -240,8 +257,7 @@ export class Changes implements FeatureSource {
neededIds = Utils.Dedup(neededIds);
OsmObject.DownloadAll(neededIds).addCallbackAndRunD(knownElements => {
console.log("KnownElements:", knownElements)
self.uploadChangesWithLatestVersions(knownElements, newElements, pending)
self.uploadChangesWithLatestVersions(knownElements)
})
}