294 lines
11 KiB
TypeScript
294 lines
11 KiB
TypeScript
import { Injectable } from '@angular/core';
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import { Store, Action } from '@ngrx/store';
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import { Effect, Actions,ofType } from '@ngrx/effects';
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import { Observable , of, interval } from 'rxjs';
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import { withLatestFrom, switchMap, map, catchError, mergeMap,delayWhen } from 'rxjs/operators';
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import {GeoJSON,WKT} from 'ol/format';
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import {Feature} from 'ol';
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import { getCenter,createEmpty,extend } from 'ol/extent';
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import {Point} from 'ol/geom'
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import * as mapActions from '../actions/map.actions';
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import * as mapReducers from '../reducers/map.reducer';
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import {commonReducers} from '@farmmaps/common';
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import {commonActions} from '@farmmaps/common';
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import { IItem } from '@farmmaps/common';
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import { FolderService, ItemService } from '@farmmaps/common';
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import { tassign } from 'tassign';
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import {FeatureIconService} from '../services/feature-icon.service';
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import * as style from 'ol/style';
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import { ItemTypeService,IQueryState } from '@farmmaps/common';
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@Injectable()
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export class MapEffects {
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private _geojsonFormat: GeoJSON;
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private _wktFormat: WKT;
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private toPointFeature(updateEvent:commonActions.DeviceUpdateEvent): Feature {
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var f = this._wktFormat.readFeature(updateEvent.attributes["geometry"],{
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dataProjection: 'EPSG:4326',
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featureProjection: 'EPSG:3857'
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});
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f.setId(updateEvent.itemCode);
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var centroid = getCenter(f.getGeometry().getExtent());
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f.setGeometry(new Point(centroid));
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return f;
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}
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@Effect()
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init$: Observable<Action> = this.actions$.pipe(
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ofType(mapActions.INIT),
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withLatestFrom(this.store$.select(commonReducers.selectGetRootItems)),
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switchMap(([action, rootItems]) => {
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let actions=[];
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for (let rootItem of rootItems) {
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if (rootItem.itemType == "UPLOADS_FOLDER") actions.push(new mapActions.SetParent(rootItem.code));
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}
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// initialize default feature styles
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actions.push(new mapActions.SetStyle('file',new style.Style({
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image: new style.Icon({
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anchor: [0.5, 1],
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scale: 0.05,
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src: this.featureIconService$.getIconImageDataUrl("fa fa-file-o")
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}),
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stroke: new style.Stroke({
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color: 'red',
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width: 1
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}),
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fill: new style.Fill({
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color: 'rgba(0, 0, 255, 0.1)'
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})
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})));
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actions.push(new mapActions.SetStyle('selected',new style.Style({
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image: new style.Icon({
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anchor: [0.5, 1],
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scale: 0.08,
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src: this.featureIconService$.getIconImageDataUrl(null)
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}),
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stroke: new style.Stroke({
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color: 'red',
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width: 3
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}),
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fill: new style.Fill({
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color: 'rgba(0, 0, 255, 0.1)'
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})
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})));
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return actions;
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}
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));
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@Effect()
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initBaseLayers$: Observable<Action> = this.actions$.pipe(
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ofType(mapActions.INIT),
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withLatestFrom(this.store$.select(mapReducers.selectGetProjection)),
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map(([action, projection]) => new mapActions.LoadBaseLayers(projection)));
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@Effect()
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loadBaseLayers$: Observable<Action> = this.actions$.pipe(
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ofType(mapActions.LOADBASELAYERS),
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switchMap((action: mapActions.LoadBaseLayers) => {
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return this.itemService$.getItemList("vnd.farmmaps.itemtype.layer", { "isBaseLayer": true }).pipe(
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map((items: IItem[]) => new mapActions.LoadBaseLayersSuccess(items)),
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catchError(error => of(new commonActions.Fail(error))));
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}));
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@Effect()
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initRootItems$: Observable<Action> = this.actions$.pipe(
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ofType(commonActions.INITROOTSUCCESS),
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map((action) => new mapActions.Init()
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));
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@Effect()
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startSearch$: Observable<Action> = this.actions$.pipe(
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ofType(mapActions.STARTSEARCH),
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withLatestFrom(this.store$.select(mapReducers.selectgetSetStateCount)),
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switchMap(([action,setStateCount]) => {
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let a = action as mapActions.StartSearch;
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var startDate = a.queryState.startDate;
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var endDate = a.queryState.endDate;
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var newAction:Observable<Action>;
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if (a.queryState.itemCode || a.queryState.parentCode || a.queryState.itemType || a.queryState.query || a.queryState.tags) {
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newAction= this.itemService$.getFeatures(a.queryState.bbox, "EPSG:3857", a.queryState.query, a.queryState.tags, startDate, endDate, a.queryState.itemType, a.queryState.parentCode).pipe(
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switchMap((features: any) => {
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for (let f of features.features) {
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if (f.properties && f.properties["code"]) {
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f.id = f.properties["code"];
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}
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}
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return of(new mapActions.StartSearchSuccess(this._geojsonFormat.readFeatures(features), a.queryState,setStateCount));
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}
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),
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catchError(error => of(new commonActions.Fail(error))));
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} else {
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return [];
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}
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return newAction;
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}));
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@Effect()
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zoomToExtent$: Observable<Action> = this.actions$.pipe(
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ofType(mapActions.STARTSEARCHSUCCESS),
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delayWhen(action => (action as mapActions.StartSearchSuccess).setStateCount == 1 ? interval(500):interval(0)),
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mergeMap((action: mapActions.StartSearchSuccess) => {
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let actions =[];
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actions.push(new commonActions.SetMenuVisible(false));
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let extent = createEmpty();
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if (!action.query.bboxFilter) {
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if (extent) {
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for (let f of action.features) {
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extend(extent, (f as Feature).getGeometry().getExtent());
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}
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}
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actions.push(new mapActions.SetExtent(extent));
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}
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return actions;
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}));
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@Effect()
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hideMenu$: Observable<Action> = this.actions$.pipe(
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ofType(mapActions.STARTSEARCHSUCCESS),
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mergeMap((action: mapActions.StartSearchSuccess) => {
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return of(new commonActions.SetMenuVisible(false));
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}));
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@Effect()
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selectItem$: Observable<Action> = this.actions$.pipe(
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ofType(mapActions.SELECTITEM),
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withLatestFrom(this.store$.select(mapReducers.selectGetSelectedItem)),
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withLatestFrom(this.store$.select(mapReducers.getSetStateCount)),
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switchMap(([[action, selectedItem],setStateCount]) => {
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let a = action as mapActions.SelectItem;
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let itemCode = selectedItem ? selectedItem.code : "";
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if (a.itemCode != itemCode || setStateCount == 1) {
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return this.itemService$.getItem(a.itemCode).pipe(
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map((item: IItem) => new mapActions.SelectItemSuccess(item)),
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catchError(error => of(new commonActions.Fail(error))))
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} else {
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return [];
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}
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}
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));
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@Effect()
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selectItemSuccess$: Observable<Action> = this.actions$.pipe(
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ofType(mapActions.SELECTITEMSUCCESS),
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switchMap((action:mapActions.SelectItemSuccess) => {
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return this.itemService$.getFeature(action.item.code, "EPSG:3857").pipe(
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map((feature: any) => {
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let f = this._geojsonFormat.readFeature(feature);
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f.setId(action.item.code);
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return new mapActions.AddFeatureSuccess(f );
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}),
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catchError(error => of(new commonActions.Fail(error))));
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}
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));
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@Effect()
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selectItemSuccessTemporal$: Observable<Action> = this.actions$.pipe(
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ofType(mapActions.SELECTITEMSUCCESS),
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switchMap((action:mapActions.SelectItemSuccess) => {
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if(action.item.itemType == "vnd.farmmaps.itemtype.temporal") {
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return this.itemService$.getChildItemList(action.item.code,null).pipe(
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map(items => new mapActions.SelectTemporalItemsSuccess(
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items.sort((a, b) =>
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-(Date.parse(b.dataDate) - Date.parse(a.dataDate))
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)
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)),
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catchError(error => of(new commonActions.Fail(error))));
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} else {
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return [];
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}
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}
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));
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@Effect()
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uploadedItemClick$: Observable<Action> = this.actions$.pipe(
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ofType(commonActions.UPLOADEDFILECLICK),
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switchMap((action: commonActions.UploadedFileClick) => of(new mapActions.DoQuery(tassign(mapReducers.initialState.query, {itemCode:action.itemCode})))
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));
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@Effect()
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featureUpdate$: Observable<Action> = this.actions$.pipe(
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ofType(commonActions.DEVICEUPDATEEVENT),
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withLatestFrom(this.store$.select(mapReducers.selectGetFeatures)),
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mergeMap(([action, features]) => {
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let deviceUpdateEventAction = action as commonActions.DeviceUpdateEvent;
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var feature: Feature = null;
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for (let f of features) {
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if (f.getId() == deviceUpdateEventAction.itemCode) {
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feature = f;
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break;
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}
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}
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if (feature) {
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return of(new mapActions.UpdateFeatureSuccess(this.toPointFeature(deviceUpdateEventAction)));
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} else {
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return [];
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}
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}));
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@Effect()
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itemUpdate$: Observable<Action> = this.actions$.pipe(
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ofType(commonActions.ITEMCHANGEDEVENT),
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withLatestFrom(this.store$.select(mapReducers.selectGetSelectedItem)),
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mergeMap(([action, selectedItem]) => {
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let itemChangedAction = action as commonActions.ItemChangedEvent;
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if (selectedItem && selectedItem.code == itemChangedAction.itemCode) {
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return this.itemService$.getItem(itemChangedAction.itemCode).pipe(
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map((item: IItem) => new mapActions.SelectItemSuccess(item)),
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catchError(error => of(new commonActions.Fail(error))));
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} else {
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return [];
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}
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}));
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getActionFromQueryState(queryState:IQueryState, inSearch:boolean):Observable<Action>|[] {
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if(!inSearch && (queryState.itemType || queryState.parentCode || queryState.itemCode || queryState.query || queryState.tags)) {
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var newAction:Action;
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if (queryState.itemCode && queryState.itemCode != "") {
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newAction= new mapActions.SelectItem(queryState.itemCode);
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} else {
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newAction= new mapActions.StartSearch(queryState);
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}
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return of(newAction);
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} else {
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return of(new commonActions.Escape(true,false));
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}
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}
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@Effect()
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setQueryState$: Observable<Action> = this.actions$.pipe(
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ofType(mapActions.SETQUERYSTATE),
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withLatestFrom(this.store$.select(mapReducers.selectGetInSearch)),
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switchMap(([action,inSearch]) => {
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let a = action as mapActions.SetQueryState;
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return this.getActionFromQueryState(a.queryState,inSearch);
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}));
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@Effect()
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setState$: Observable<Action> = this.actions$.pipe(
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ofType(mapActions.SETSTATE),
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withLatestFrom(this.store$.select(mapReducers.selectGetInSearch)),
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switchMap(([action,inSearch]) => {
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let a = action as mapActions.SetState;
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return this.getActionFromQueryState(a.queryState,inSearch);
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}));
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constructor(private actions$: Actions, private store$: Store<mapReducers.State>, private folderService$: FolderService, private itemService$: ItemService,private featureIconService$:FeatureIconService,private itemTypeService$:ItemTypeService) {
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this._geojsonFormat = new GeoJSON();
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this._wktFormat = new WKT();
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}
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}
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