# All files / src/lib/services/local-user local-user.service.ts

40% Statements 28/70
13.88% Branches 10/72
11.53% Functions 3/26
35.93% Lines 23/64

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     import { Injectable } from '@angular/core';
    import { Publisher } from 'openvidu-browser';
    impoIrt { BehaviorSubject, Observable } from 'rxjs';
    import { ILogger } from '../../models/logger.model';
    import { UserModel } from '../../models/user.model';
    import { LoggerService } from '../logger/logger.service';

    @Injectable({
    	providedIn: 'root'
    })
    export class LocalUserService {
    	OVUsers: Observable<UserModel[]>;
    	screenShareState: Observable<boolean>;
    	webcamVideoActive: Observable<boolean>;
    	webcamAudioActive: Observable<boolean>;
    	private _OVUsers = <BehaviorSubject<UserModel[]>>new BehaviorSubject([]);
    	private _screenShareState = <BehaviorSubject<boolean>>new BehaviorSubject(false);
    	private _webcamVideoActive = <BehaviorSubject<boolean>>new BehaviorSubject(true);
    	private _webcamAudioActive = <BehaviorSubject<boolean>>new BehaviorSubject(true);

    	private webcamUser: UserModel = null;
    	private screenUser: UserModel = null;
    	private log: ILogger;

    	constructor(private loggerSrv: LoggerService) {
    		this.log = this.loggerSrv.get('LocalUserService');
    		this.OVUsers = this._OVUsers.asObservable();
    		this.screenShareState = this._screenShareState.asObservable();
    		this.webcamVideoActive = this._webcamVideoActive.asObservable();
    		this.webcamAudioActive = this._webcamAudioActive.asObservable();
    		this.webcamUser = new UserModel();
    		// Used when the streamManager is null (users without devices)
    		this.webcamUser.setLocal(true);
    		this._OVUsers.next([this.webcamUser]);
    	}

    	getWebcamPublisher(): Publisher {
    		return <Publisher>this.webcamUser?.getStreamManager();
    	}

    	setWebcamPublisher(publisher: Publisher) {
    		this.webcamUser.setStreamManager(publisher);
    	}

    	getScreenPublisher(): Publisher {
    		return <Publisher>this.screenUser?.getStreamManager();
    	}

    	setScreenPublisher(publisher: Publisher) {
    		this.screenUser.setStreamManager(publisher);
    	}

    	enableWebcamUser() {
    		this._OVUsers.next([this.webcamUser, this.screenUser]);
    	}

    	disableWebcamUser() {
    		// this.destryowebcamUser();
    		this._OVUsers.next([this.screenUser]);
    	}

    	enableScreenUser(screenPublisher: Publisher) {
    		this.log.d('Enabling screen publisher');

    		const connectionId = screenPublisher?.session?.connection?.connectionId;

    		this.screenUser = new UserModel(connectionId, screenPublisher, this.getScreenUserName());
    		this._screenShareState.next(true);

    		if (this.isWebCamEnabled()) {
    			this._OVUsers.next([this.webcamUser, this.screenUser]);
    			return;
    		}
    		this._OVUsers.next([this.screenUser]);
    	}

    	disableScreenUser() {
    		// this.destryoScreenUser();
    		this._OVUsers.next([this.webcamUser]);
    		this._screenShareState.next(false);
    	}

    	updateUsersStatus() {
    		this._webcamVideoActive.next(this.webcamUser.isVideoActive());
    		if (this.isWebCamEnabled()) {
    			this._webcamAudioActive.next(this.webcamUser.isAudioActive());
    		} else {
    			this._webcamAudioActive.next(this.hasScreenAudioActive());
    		}
    	}

    	clear() {
    		this.screenUser = null;
    		this.webcamUser = new UserModel();
    		// this._OVUsers.next([this.webcamUser]);
    		this.disableScreenUser();
    	}

    	isWebCamEnabled(): boolean {
    		return this._OVUsers.getValue()[0].isCamera();
    	}

    	isOnlyScreenConnected(): boolean {
    		return this._OVUsers.getValue()[0].isScreen();
    	}

    	hasWebcamVideoActive(): boolean {
    		return this.webcamUser.isVideoActive();
    	}

    	hasWebcamAudioActive(): boolean {
    		return this.webcamUser?.isAudioActive();
    	}

    	hasScreenAudioActive(): boolean {
    		return this.screenUser?.isAudioActive();
    	}

    	areBothConnected(): boolean {
    		return this._OVUsers.getValue().length === 2;
    	}

    	isOnlyWebcamConnected(): boolean {
    		return this.isWebCamEnabled() && !this.areBothConnected();
    	}

    	isScreenShareEnabled(): boolean {
    		return this.areBothConnected() || this.isOnlyScreenConnected();
    	}

    	updateUsersNickname(nickname: string) {
    		this.webcamUser.setNickname(nickname);
    		this.screenUser?.setNickname(this.getScreenUserName());
    	}

    	getWebcamUserName(): string {
    		return this.webcamUser.getNickname();
    	}

    	getScreenUserName() {
    		return this.getWebcamUserName() + '_SCREEN';
    	}

    	resetUsersZoom() {
    		this.webcamUser?.setVideoSizeBig(false);
    		this.screenUser?.setVideoSizeBig(false);
    	}

    	toggleZoom(connectionId: string) {
    		if (this.webcamUser.getConnectionId() === connectionId) {
    			this.webcamUser.setVideoSizeBig(!this.webcamUser.isVideoSizeBig());
    			return;
    		}
    		this.screenUser.setVideoSizeBig(!this.screenUser.isVideoSizeBig());
    	}
    }