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/*
* Copyright (c) 2022. Deutsche Telekom AG
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
*/
import { distinctUntilChanged, map, pluck, switchMap, take } from 'rxjs/operators';
import { PreferencesResponse, PreferencesService } from '../../../openapi/output';
import {
DashboardAppsModel,
DashboardModel,
DashboardTileSettings,
defaultUserSettings,
LastUserActionSettings, STATE_KEYS,
UpdateUserPreferenceModel,
UserPreferencesModel,
} from '../model/user-preferences.model';
import { BehaviorSubject, Observable, pipe, UnaryFunction } from 'rxjs';
import { mergeWith as _mergeWith, isObject as _isObject } from 'lodash';
import { isString } from '../helpers/helpers';
import { Injectable } from '@angular/core';
@Injectable({
providedIn: 'root',
})
export class UserSettingsService {
private userSettings: UserPreferencesModel = defaultUserSettings;
private preferencesTracker$ = new BehaviorSubject<UserPreferencesModel>(this.userSettings);
constructor(private preferencesService: PreferencesService) {
this.getPreferences();
}
getPreferences$(): Observable<UserPreferencesModel> {
return this.preferencesTracker$.asObservable();
}
selectDashboard = () =>
this.getPreferences$().pipe(selectDistinctState<UserPreferencesModel, DashboardModel>(STATE_KEYS.DASHBOARD));
selectDashboardApps = () =>
this.selectDashboard().pipe(selectDistinctState<DashboardModel, DashboardAppsModel>(STATE_KEYS.APPS));
selectDashboardAvailableTiles = () =>
this.selectDashboardApps().pipe(selectDistinctState<DashboardAppsModel, DashboardTileSettings[]>(STATE_KEYS.TILES));
selectLastUserAction = () =>
this.selectDashboardApps().pipe(
selectDistinctState<DashboardAppsModel, LastUserActionSettings>(STATE_KEYS.USER_ACTIONS),
);
getPreferences(): void {
this.preferencesService
.getPreferences()
.pipe(
map(preferences => {
return _mergeWith({}, defaultUserSettings, preferences.properties, (objValue, srcValue) => {
if (
(Array.isArray(srcValue) && !srcValue.some(_isObject)) ||
isString(srcValue) ||
typeof srcValue === 'boolean' ||
Number.isInteger(srcValue)
) {
return srcValue;
}
}) as UserPreferencesModel;
}),
)
.subscribe(userPreferences => {
this.preferencesTracker$.next(userPreferences);
});
}
updatePreferences(preferences: UpdateUserPreferenceModel): Observable<PreferencesResponse> {
return this.getPreferences$().pipe(
take(1),
switchMap(data => {
const properties = _mergeWith({}, data, preferences, (objValue, srcValue) => {
if (
Array.isArray(srcValue) ||
isString(srcValue) ||
typeof srcValue === 'boolean' ||
Number.isInteger(srcValue)
) {
return srcValue;
}
}) as UserPreferencesModel;
this.preferencesTracker$.next(properties);
return this.preferencesService.savePreferences({ properties });
}),
);
}
removePreferences(): Observable<PreferencesResponse> {
return this.preferencesService.updatePreferences({ properties: {} });
}
}
export function selectDistinctState<T, I>(key: string): UnaryFunction<Observable<T>, Observable<I>> {
return pipe(pluck<T, I>(key), distinctUntilChanged<I>());
}
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