mapcomplete/UI/ImportFlow/ConflationChecker.ts

256 lines
No EOL
12 KiB
TypeScript

import {BBox} from "../../Logic/BBox";
import LayerConfig from "../../Models/ThemeConfig/LayerConfig";
import Combine from "../Base/Combine";
import Title from "../Base/Title";
import {Overpass} from "../../Logic/Osm/Overpass";
import {UIEventSource} from "../../Logic/UIEventSource";
import Constants from "../../Models/Constants";
import RelationsTracker from "../../Logic/Osm/RelationsTracker";
import {VariableUiElement} from "../Base/VariableUIElement";
import {FixedUiElement} from "../Base/FixedUiElement";
import {FlowStep} from "./FlowStep";
import Loading from "../Base/Loading";
import {SubtleButton} from "../Base/SubtleButton";
import Svg from "../../Svg";
import {Utils} from "../../Utils";
import {IdbLocalStorage} from "../../Logic/Web/IdbLocalStorage";
import Minimap from "../Base/Minimap";
import BaseLayer from "../../Models/BaseLayer";
import AvailableBaseLayers from "../../Logic/Actors/AvailableBaseLayers";
import Loc from "../../Models/Loc";
import Attribution from "../BigComponents/Attribution";
import ShowDataLayer from "../ShowDataLayer/ShowDataLayer";
import StaticFeatureSource from "../../Logic/FeatureSource/Sources/StaticFeatureSource";
import ValidatedTextField from "../Input/ValidatedTextField";
import {LocalStorageSource} from "../../Logic/Web/LocalStorageSource";
import * as currentview from "../../assets/layers/current_view/current_view.json"
import * as import_candidate from "../../assets/layers/import_candidate/import_candidate.json"
import {GeoOperations} from "../../Logic/GeoOperations";
import FeatureInfoBox from "../Popup/FeatureInfoBox";
import {ImportUtils} from "./ImportUtils";
/**
* Given the data to import, the bbox and the layer, will query overpass for similar items
*/
export default class ConflationChecker extends Combine implements FlowStep<{ features: any[], theme: string }> {
public readonly IsValid
public readonly Value: UIEventSource<{ features: any[], theme: string }>
constructor(
state,
params: { bbox: BBox, layer: LayerConfig, theme: string, features: any[] }) {
const bbox = params.bbox.padAbsolute(0.0001)
const layer = params.layer;
const toImport: {features: any[]} = params;
let overpassStatus = new UIEventSource<{ error: string } | "running" | "success" | "idle" | "cached">("idle")
const cacheAge = new UIEventSource<number>(undefined);
const fromLocalStorage = IdbLocalStorage.Get<[any, Date]>("importer-overpass-cache-" + layer.id, {
whenLoaded: (v) => {
if (v !== undefined && v !== null) {
console.log("Loaded from local storage:", v)
const [geojson, date] = v;
const timeDiff = (new Date().getTime() - date.getTime()) / 1000;
console.log("Loaded ", geojson.features.length, " features; cache is ", timeDiff, "seconds old")
cacheAge.setData(timeDiff)
if (timeDiff < 24 * 60 * 60) {
// Recently cached!
overpassStatus.setData("cached")
return;
}
cacheAge.setData(-1)
}
// Load the data!
const url = Constants.defaultOverpassUrls[1]
const relationTracker = new RelationsTracker()
const overpass = new Overpass(params.layer.source.osmTags, [], url, new UIEventSource<number>(180), relationTracker, true)
console.log("Loading from overpass!")
overpassStatus.setData("running")
overpass.queryGeoJson(bbox).then(
([data, date]) => {
console.log("Received overpass-data: ", data.features.length, "features are loaded at ", date);
overpassStatus.setData("success")
fromLocalStorage.setData([data, date])
},
(error) => {
overpassStatus.setData({error})
})
}
});
const geojson: UIEventSource<any> = fromLocalStorage.map(d => {
if (d === undefined) {
return undefined
}
return d[0]
})
const background = new UIEventSource<BaseLayer>(AvailableBaseLayers.osmCarto)
const location = new UIEventSource<Loc>({lat: 0, lon: 0, zoom: 1})
const currentBounds = new UIEventSource<BBox>(undefined)
const zoomLevel = ValidatedTextField.ForType("pnat").ConstructInputElement()
zoomLevel.SetClass("ml-1 border border-black")
zoomLevel.GetValue().syncWith(LocalStorageSource.Get("importer-zoom-level", "14"), true)
const osmLiveData = Minimap.createMiniMap({
allowMoving: true,
location,
background,
bounds: currentBounds,
attribution: new Attribution(location, state.osmConnection.userDetails, undefined, currentBounds)
})
osmLiveData.SetClass("w-full").SetStyle("height: 500px")
const preview = new StaticFeatureSource(geojson.map(geojson => {
if (geojson?.features === undefined) {
return []
}
const zoomedEnough: boolean = osmLiveData.location.data.zoom >= Number(zoomLevel.GetValue().data)
if (!zoomedEnough) {
return []
}
const bounds = osmLiveData.bounds.data
return geojson.features.filter(f => BBox.get(f).overlapsWith(bounds))
}, [osmLiveData.bounds, zoomLevel.GetValue()]), false);
new ShowDataLayer({
layerToShow: new LayerConfig(currentview),
state,
leafletMap: osmLiveData.leafletMap,
popup: undefined,
zoomToFeatures: true,
features: new StaticFeatureSource([
bbox.asGeoJson({})
], false)
})
new ShowDataLayer({
layerToShow: layer,
state,
leafletMap: osmLiveData.leafletMap,
popup: (tags, layer) => new FeatureInfoBox(tags, layer, state),
zoomToFeatures: false,
features: preview
})
new ShowDataLayer({
layerToShow: new LayerConfig(import_candidate),
state,
leafletMap: osmLiveData.leafletMap,
popup: (tags, layer) => new FeatureInfoBox(tags, layer, state),
zoomToFeatures: false,
features: new StaticFeatureSource(toImport.features, false)
})
const nearbyCutoff = ValidatedTextField.ForType("pnat").ConstructInputElement()
nearbyCutoff.SetClass("ml-1 border border-black")
nearbyCutoff.GetValue().syncWith(LocalStorageSource.Get("importer-cutoff", "25"), true)
const matchedFeaturesMap = Minimap.createMiniMap({
allowMoving: true,
background
})
matchedFeaturesMap.SetClass("w-full").SetStyle("height: 500px")
// Featuresource showing OSM-features which are nearby a toImport-feature
const nearbyFeatures = new StaticFeatureSource(geojson.map(osmData => {
if (osmData?.features === undefined) {
return []
}
const maxDist = Number(nearbyCutoff.GetValue().data)
return osmData.features.filter(f =>
toImport.features.some(imp =>
maxDist >= GeoOperations.distanceBetween(imp.geometry.coordinates, GeoOperations.centerpointCoordinates(f))))
}, [nearbyCutoff.GetValue()]), false);
const paritionedImport = ImportUtils.partitionFeaturesIfNearby(toImport, geojson, nearbyCutoff.GetValue().map(Number));
// Featuresource showing OSM-features which are nearby a toImport-feature
const toImportWithNearby = new StaticFeatureSource(paritionedImport.map(els => els?.hasNearby ?? []), false);
new ShowDataLayer({
layerToShow: layer,
state,
leafletMap: matchedFeaturesMap.leafletMap,
popup: (tags, layer) => new FeatureInfoBox(tags, layer, state),
zoomToFeatures: true,
features: nearbyFeatures
})
new ShowDataLayer({
layerToShow: new LayerConfig(import_candidate),
state,
leafletMap: matchedFeaturesMap.leafletMap,
popup: (tags, layer) => new FeatureInfoBox(tags, layer, state),
zoomToFeatures: false,
features: toImportWithNearby
})
const conflationMaps = new Combine([
new VariableUiElement(
geojson.map(geojson => {
if (geojson === undefined) {
return undefined;
}
return new SubtleButton(Svg.download_svg(), "Download the loaded geojson from overpass").onClick(() => {
Utils.offerContentsAsDownloadableFile(JSON.stringify(geojson, null, " "), "mapcomplete-" + layer.id + ".geojson", {
mimetype: "application/json+geo"
})
});
})),
new VariableUiElement(cacheAge.map(age => {
if (age === undefined) {
return undefined;
}
if (age < 0) {
return new FixedUiElement("Cache was expired")
}
return new FixedUiElement("Loaded data is from the cache and is " + Utils.toHumanTime(age) + " old")
})),
new Title("Live data on OSM"),
"The "+toImport.features.length+" red elements on the following map are all your import candidates.",
new VariableUiElement(geojson.map(geojson => new FixedUiElement((geojson?.features?.length ?? "No") + " elements are loaded from OpenStreetMap which match the layer "+layer.id+". Zooming in might be needed to show them"))),
osmLiveData,
new Combine(["The live data is shown if the zoomlevel is at least ", zoomLevel, ". The current zoom level is ", new VariableUiElement(osmLiveData.location.map(l => "" + l.zoom))]).SetClass("flex"),
new Title("Nearby features"),
new Combine(["The following map shows features to import which have an OSM-feature within ", nearbyCutoff, "meter"]).SetClass("flex"),
new VariableUiElement(toImportWithNearby.features.map(feats =>
new FixedUiElement("The "+ feats.length +" red elements on the following map will <b>not</b> be imported!").SetClass("alert"))),
"Set the range to 0 or 1 if you want to import them all",
matchedFeaturesMap]).SetClass("flex flex-col")
super([
new Title("Comparison with existing data"),
new VariableUiElement(overpassStatus.map(d => {
if (d === "idle") {
return new Loading("Checking local storage...")
}
if (d["error"] !== undefined) {
return new FixedUiElement("Could not load latest data from overpass: " + d["error"]).SetClass("alert")
}
if (d === "running") {
return new Loading("Querying overpass...")
}
if (d === "cached") {
return conflationMaps
}
if (d === "success") {
return conflationMaps
}
return new FixedUiElement("Unexpected state " + d).SetClass("alert")
}))
])
this.Value = paritionedImport.map(feats => ({theme: params.theme, features: feats?.noNearby, layer: params.layer}))
this.IsValid = this.Value.map(v => v?.features !== undefined && v.features.length > 0)
}
}