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More refactoring!

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This commit is contained in:
Pieter Vander Vennet 2021-01-03 00:19:42 +01:00
parent b2c234b51d
commit 6ac8ec84e4
22 changed files with 170 additions and 158 deletions
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8
Logic/Actors/FeatureSource.ts Normal file
View file

@ -0,0 +1,8 @@
import {UIEventSource} from "../UIEventSource";
export default interface FeatureSource {
features : UIEventSource<any[]>;
freshness: UIEventSource<Date>;
}

2
Logic/Actors/GeoLocationHandler.ts
View file

@ -3,7 +3,7 @@ import {UIEventSource} from "../UIEventSource";
import {UIElement} from "../../UI/UIElement";
import {Utils} from "../../Utils";
import Svg from "../../Svg";
import {Img} from "../../UI/Img";
import Img from "../../UI/Base/Img";
export class GeoLocationHandler extends UIElement {

15
Logic/InstalledThemes.ts → Logic/Actors/InstalledThemes.ts
View file

@ -1,12 +1,12 @@
import LayoutConfig from "../Customizations/JSON/LayoutConfig";
import {OsmPreferences} from "./Osm/OsmPreferences";
import {UIEventSource} from "./UIEventSource";
import {OsmConnection} from "./Osm/OsmConnection";
import {UIEventSource} from "../UIEventSource";
import LayoutConfig from "../../Customizations/JSON/LayoutConfig";
import {OsmConnection} from "../Osm/OsmConnection";
export default class InstalledThemes {
static InstalledThemes(osmConnection: OsmConnection): UIEventSource<{ layout: LayoutConfig; definition: string }[]> {
return osmConnection.preferencesHandler.preferences.map<{ layout: LayoutConfig, definition: string }[]>(allPreferences => {
public installedThemes: UIEventSource<{ layout: LayoutConfig; definition: string }[]>;
constructor(osmConnection: OsmConnection) {
this.installedThemes = osmConnection.preferencesHandler.preferences.map<{ layout: LayoutConfig, definition: string }[]>(allPreferences => {
const installedThemes: { layout: LayoutConfig, definition: string }[] = [];
if (allPreferences === undefined) {
console.log("All prefs is undefined");
@ -41,7 +41,6 @@ export default class InstalledThemes {
return installedThemes;
});
}
private static DeleteInvalid(osmConnection: OsmConnection, invalidThemes: any[]) {

2
Logic/Actors/StrayClickHandler.ts
View file

@ -1,9 +1,9 @@
import * as L from "leaflet";
import {UIElement} from "../../UI/UIElement";
import {Img} from "../../UI/Img";
import Svg from "../../Svg";
import {UIEventSource} from "../UIEventSource";
import {FilteredLayer} from "../FilteredLayer";
import Img from "../../UI/Base/Img";
/**
* The stray-click-hanlders adds a marker to the map if no feature was clicked.

24
Logic/FilteredLayer.ts
View file

@ -23,8 +23,8 @@ export class FilteredLayer {
public readonly name: string | UIElement;
public readonly filters: TagsFilter;
public readonly isDisplayed: UIEventSource<boolean> = new UIEventSource(true);
private readonly combinedIsDisplayed: UIEventSource<boolean>;
public readonly layerDef: LayerConfig;
private readonly combinedIsDisplayed: UIEventSource<boolean>;
private readonly _maxAllowedOverlap: number;
/** The featurecollection from overpass
@ -37,10 +37,10 @@ export class FilteredLayer {
* The leaflet layer object which should be removed on rerendering
*/
private _geolayer;
private _showOnPopup: (tags: UIEventSource<any>, feature: any) => UIElement;
constructor(
layerDef: LayerConfig,
showOnPopup: ((tags: UIEventSource<any>, feature: any) => UIElement)
@ -68,25 +68,26 @@ export class FilteredLayer {
}
})
}
/**
* The main function to load data into this layer.
* The data that is NOT used by this layer, is returned as a geojson object; the other data is rendered
*/
public SetApplicableData(geojson: any): any {
public SetApplicableData(features: any[]): any[] {
const leftoverFeatures = [];
const selfFeatures = [];
for (let feature of geojson.features) {
for (let feature of features) {
const tags = TagUtils.proprtiesToKV(feature.properties);
const matches = this.filters.matches(tags);
if (matches) {
selfFeatures.push(feature);
selfFeatures.push(feature);
}
if (!matches || this.layerDef.passAllFeatures) {
leftoverFeatures.push(feature);
}
}
this.RenderLayer(selfFeatures)
this.RenderLayer(selfFeatures)
const notShadowed = [];
for (const feature of leftoverFeatures) {
@ -100,16 +101,13 @@ export class FilteredLayer {
notShadowed.push(feature);
}
return {
type: "FeatureCollection",
features: notShadowed
};
return notShadowed;
}
public AddNewElement(element) {
this._newElements.push(element);
this.RenderLayer( this._dataFromOverpass); // Update the layer
this.RenderLayer(this._dataFromOverpass); // Update the layer
}
private RenderLayer(features) {
@ -197,7 +195,7 @@ export class FilteredLayer {
// We already open it
uiElement.Activate();
popup.setContent(uiElement.Render());
const center = GeoOperations.centerpoint(feature).geometry.coordinates;
popup.setLatLng({lat: center[1], lng: center[0]});
popup.openOn(State.state.leafletMap.data);

7
Logic/MetaTagging.ts
View file

@ -4,6 +4,7 @@ import opening_hours from "opening_hours";
import {And, Or, Tag} from "./Tags";
import {Utils} from "../Utils";
import CountryCoder from "latlon2country"
import {UIEventSource} from "./UIEventSource";
class SimpleMetaTagger {
private _f: (feature: any, index: number) => void;
@ -264,7 +265,7 @@ export default class MetaTagging {
}
);
public static metatags = [
private static metatags = [
MetaTagging.latlon,
MetaTagging.surfaceArea,
MetaTagging.country,
@ -274,6 +275,10 @@ export default class MetaTagging {
];
/**
* An actor which adds metatags on every feature in the given object
* The features are a list of geojson-features, with a "properties"-field and geometry
*/
static addMetatags(features: any[]) {
for (const metatag of MetaTagging.metatags) {

2
Logic/Osm/OsmConnection.ts
View file

@ -4,9 +4,9 @@ import {UIEventSource} from "../UIEventSource";
import {OsmPreferences} from "./OsmPreferences";
import {ChangesetHandler} from "./ChangesetHandler";
import {ElementStorage} from "../ElementStorage";
import {Img} from "../../UI/Img";
import Svg from "../../Svg";
import LayoutConfig from "../../Customizations/JSON/LayoutConfig";
import Img from "../../UI/Base/Img";
export class UserDetails {

7
Logic/Osm/Overpass.ts
View file

@ -1,7 +1,7 @@
import {Bounds} from "../Bounds";
import {TagsFilter} from "../Tags";
import * as $ from "jquery"
import * as OsmToGeoJson from "osmtogeojson";
import Bounds from "../../Models/Bounds";
/**
* Interfaces overpass to get all the latest data
@ -26,7 +26,7 @@ export class Overpass {
return "https://overpass-api.de/api/interpreter?data=" + encodeURIComponent(query)
}
queryGeoJson(bounds: Bounds, continuation: ((any) => void), onFail: ((reason) => void)): void {
queryGeoJson(bounds: Bounds, continuation: ((any, date: Date) => void), onFail: ((reason) => void)): void {
let query = this.buildQuery("[bbox:" + bounds.south + "," + bounds.west + "," + bounds.north + "," + bounds.east + "]")
@ -48,7 +48,8 @@ export class Overpass {
}
// @ts-ignore
const geojson = OsmToGeoJson.default(json);
continuation(geojson);
const osmTime = new Date(json.osm3s.timestamp_osm_base);
continuation(geojson, osmTime);
}).fail(onFail)
}
}

161
Logic/UpdateFromOverpass.ts
View file

@ -1,16 +1,27 @@
import {Or, TagsFilter} from "./Tags";
import {UIEventSource} from "./UIEventSource";
import {FilteredLayer} from "./FilteredLayer";
import {Bounds} from "./Bounds";
import Bounds from "../Models/Bounds";
import {Overpass} from "./Osm/Overpass";
import State from "../State";
import MetaTagging from "./MetaTagging";
import Loc from "../Models/Loc";
import LayoutConfig from "../Customizations/JSON/LayoutConfig";
import FeatureSource from "./Actors/FeatureSource";
export class UpdateFromOverpass {
export default class UpdateFromOverpass implements FeatureSource{
/**
* The last loaded features of the geojson
*/
public readonly features: UIEventSource<any[]> = new UIEventSource<any[]>(undefined);
/**
* The time of updating according to Overpass
*/
public readonly freshness:UIEventSource<Date> = new UIEventSource<Date>(undefined);
public readonly sufficientlyZoomed: UIEventSource<boolean>;
public readonly runningQuery: UIEventSource<boolean> = new UIEventSource<boolean>(false);
public readonly retries: UIEventSource<number> = new UIEventSource<number>(0);
/**
* The previous bounds for which the query has been run at the given zoom level
*
@ -18,55 +29,58 @@ export class UpdateFromOverpass {
* If the map location changes, we check for each layer if it is loaded:
* we start checking the bounds at the first zoom level the layer might operate. If in bounds - no reload needed, otherwise we continue walking down
*/
private readonly previousBounds: Map<number, Bounds[]> = new Map<number, Bounds[]>();
private readonly _previousBounds: Map<number, Bounds[]> = new Map<number, Bounds[]>();
private readonly _location: UIEventSource<Loc>;
private readonly _layoutToUse: UIEventSource<LayoutConfig>;
private readonly _leafletMap: UIEventSource<L.Map>;
private readonly state: State;
/**
* The most important layer should go first, as that one gets first pick for the questions
*/
constructor(state: State) {
this.state = state;
constructor(
location: UIEventSource<Loc>,
layoutToUse: UIEventSource<LayoutConfig>,
leafletMap: UIEventSource<L.Map>) {
this._location = location;
this._layoutToUse = layoutToUse;
this._leafletMap = leafletMap;
const self = this;
this.sufficientlyZoomed = State.state.locationControl.map(location => {
this.sufficientlyZoomed = location.map(location => {
if(location?.zoom === undefined){
return false;
}
let minzoom = Math.min(...state.layoutToUse.data.layers.map(layer => layer.minzoom ?? 18));
let minzoom = Math.min(...layoutToUse.data.layers.map(layer => layer.minzoom ?? 18));
return location.zoom >= minzoom;
}, [state.layoutToUse]
}, [layoutToUse]
);
for (let i = 0; i < 25; i++) {
// This update removes all data on all layers -> erase the map on lower levels too
this.previousBounds.set(i, []);
this._previousBounds.set(i, []);
}
state.locationControl.addCallback(() => {
self.update(state)
layoutToUse.addCallback(() => {
self.update()
});
state.layoutToUse.addCallback(() => {
self.update(state)
location.addCallbackAndRun(() => {
self.update()
});
self.update(state);
}
public ForceRefresh() {
for (let i = 0; i < 25; i++) {
this.previousBounds.set(i, []);
this._previousBounds.set(i, []);
}
this.update(this.state);
this.update();
}
private GetFilter(state: State) {
private GetFilter() {
const filters: TagsFilter[] = [];
state = state ?? State.state;
for (const layer of state.layoutToUse.data.layers) {
for (const layer of this._layoutToUse.data.layers) {
if(typeof(layer) === "string"){
continue;
}
if (state.locationControl.data.zoom < layer.minzoom) {
if (this._location.data.zoom < layer.minzoom) {
continue;
}
if(layer.doNotDownload){
@ -77,12 +91,12 @@ export class UpdateFromOverpass {
// Check if data for this layer has already been loaded
let previouslyLoaded = false;
for (let z = layer.minzoom; z < 25 && !previouslyLoaded; z++) {
const previousLoadedBounds = this.previousBounds.get(z);
const previousLoadedBounds = this._previousBounds.get(z);
if (previousLoadedBounds === undefined) {
continue;
}
for (const previousLoadedBound of previousLoadedBounds) {
previouslyLoaded = previouslyLoaded || this.IsInBounds(state, previousLoadedBound);
previouslyLoaded = previouslyLoaded || this.IsInBounds(previousLoadedBound);
if(previouslyLoaded){
break;
}
@ -98,61 +112,8 @@ export class UpdateFromOverpass {
}
return new Or(filters);
}
private handleData(geojson: any) {
const self = this;
self.retries.setData(0);
let newIds = 1;
for (const feature of geojson.features) {
if (feature.properties.id === undefined) {
feature.properties.id = "ext/" + newIds;
newIds++;
}
}
geojson.features.forEach(feature => {
State.state.allElements.addElement(feature);
})
MetaTagging.addMetatags(geojson.features);
function renderLayers(layers: FilteredLayer[]) {
if (layers.length === 0) {
self.runningQuery.setData(false);
if (geojson.features.length > 0) {
console.warn("Got some leftovers: ", geojson)
}
return;
}
// We use window.setTimeout to give JS some time to update everything and make the interface not too laggy
window.setTimeout(() => {
const layer = layers[0];
const rest = layers.slice(1, layers.length);
geojson = layer.SetApplicableData(geojson);
renderLayers(rest);
}, 50)
}
renderLayers(State.state.filteredLayers.data);
}
private handleFail(state: State, reason: any) {
this.retries.data++;
this.ForceRefresh();
console.log(`QUERY FAILED (retrying in ${5 * this.retries.data} sec)`, reason);
this.retries.ping();
this.runningQuery.setData(false)
const self = this;
window?.setTimeout(
function () {
self.update(state)
}, this.retries.data * 5000
)
}
private update(state: State): void {
const filter = this.GetFilter(state);
private update(): void {
const filter = this.GetFilter();
if (filter === undefined) {
return;
}
@ -162,9 +123,9 @@ export class UpdateFromOverpass {
return;
}
const bounds = state.leafletMap.data.getBounds();
const bounds = this._leafletMap.data.getBounds();
const diff = state.layoutToUse.data.widenFactor;
const diff = this._layoutToUse.data.widenFactor;
const n = Math.min(90, bounds.getNorth() + diff);
const e = Math.min(180, bounds.getEast() + diff);
@ -172,18 +133,30 @@ export class UpdateFromOverpass {
const w = Math.max(-180, bounds.getWest() - diff);
const queryBounds = {north: n, east: e, south: s, west: w};
const z = Math.floor(state.locationControl.data.zoom);
const z = Math.floor(this._location.data.zoom);
this.runningQuery.setData(true);
const self = this;
const overpass = new Overpass(filter);
overpass.queryGeoJson(queryBounds,
function (data) {
self.previousBounds.get(z).push(queryBounds);
self.handleData(data)
function (data, date) {
self._previousBounds.get(z).push(queryBounds);
self.retries.setData(0);
self.freshness.setData(date);
self.features.setData(data.features);
self.runningQuery.setData(false);
},
function (reason) {
self.handleFail(state, reason)
self.retries.data++;
self.ForceRefresh();
console.log(`QUERY FAILED (retrying in ${5 * self.retries.data} sec)`, undefined);
self.retries.ping();
self.runningQuery.setData(false)
window?.setTimeout(
function () {
self.update()
}, self.retries.data * 5000
)
}
);
@ -191,12 +164,12 @@ export class UpdateFromOverpass {
}
private IsInBounds(state: State, bounds: Bounds): boolean {
if (this.previousBounds === undefined) {
private IsInBounds(bounds: Bounds): boolean {
if (this._previousBounds === undefined) {
return false;
}
const b = state.leafletMap.data.getBounds();
const b = this._leafletMap.data.getBounds();
return b.getSouth() >= bounds.south &&
b.getNorth() <= bounds.north &&
b.getEast() <= bounds.east &&