{
  "version": 3,
  "sources": ["src/app/security/shared/seat-tracker.service.ts"],
  "sourcesContent": ["import moment from 'moment';\r\nimport { AppConfig } from '@app/app.config';\r\nimport { AuthenticationService } from '@app/security/shared/authentication.service';\r\nimport { HttpService } from '@app/security/shared/http.service';\r\nimport { Injectable } from '@angular/core';\r\nimport { Logger } from '@app/logger/logger';\r\nimport { LocalStorageRefService } from '@app/shared/services/browser/local-storage-ref.service';\r\nimport { StringResult } from '@app/shared/models/string-result.model';\r\nimport { Observable, Subject } from 'rxjs';\r\nimport { map } from 'rxjs/operators';\r\n\r\nconst lgSfx = '\\t(seat-tracker.service)';\r\n\r\n// SEAT_TOKEN_PING_INTERVAL is expected in Seconds\r\nconst SEAT_TOKEN_PING_INTERVAL = 60;\r\n\r\n// TODO look into web locks api https://developer.mozilla.org/en-US/docs/Web/API/Web_Locks_API\r\n@Injectable({ providedIn: 'root' })\r\nexport class SeatTrackerService {\r\n  private _seatTokenRetrieved = new Subject<void>();\r\n\r\n  public SeatTokenRetrievedObs = this._seatTokenRetrieved.asObservable();\r\n\r\n  public get seatToken(): string {\r\n    return this.localStorageService.seatToken;\r\n  }\r\n\r\n  public get seatTokenTimeStamp(): string {\r\n    return this.localStorageService.seatTokenTimeStamp;\r\n  }\r\n\r\n  constructor(\r\n    private authService: AuthenticationService,\r\n    private config: AppConfig,\r\n    private http: HttpService,\r\n    private localStorageService: LocalStorageRefService,\r\n    private logger: Logger\r\n  ) {\r\n    this.authService.retryAuth.subscribe(() => {\r\n      this.localStorageService.seatTokenTimeStamp = moment().format();\r\n      this.runKeepAlive(true);\r\n    });\r\n  }\r\n\r\n  public checkSeatToken(): void {\r\n    try {\r\n      const currentTimeStamp = this.seatTokenTimeStamp;\r\n      if (!currentTimeStamp || !this.seatToken) {\r\n        this.localStorageService.seatTokenTimeStamp = moment().format();\r\n        this.runKeepAlive();\r\n      } else {\r\n        if (\r\n          currentTimeStamp &&\r\n          moment.duration(moment().diff(moment(currentTimeStamp))).asSeconds() >\r\n            SEAT_TOKEN_PING_INTERVAL\r\n        ) {\r\n          this.localStorageService.seatTokenTimeStamp = moment().format();\r\n          this.runKeepAlive();\r\n        }\r\n      }\r\n    } finally {\r\n      setTimeout(() => {\r\n        this.checkSeatToken();\r\n      }, SEAT_TOKEN_PING_INTERVAL * 1000);\r\n    }\r\n  }\r\n\r\n  public runKeepAlive(sendRetryLoginMsg?: boolean): void {\r\n    this.keepAlive().subscribe(\r\n      (result: StringResult) => {\r\n        this.logger.log(\r\n          'Keep alive request returned with token',\r\n          result,\r\n          moment().format('LTS'),\r\n          lgSfx\r\n        );\r\n        if (result.result) {\r\n          this.localStorageService.seatToken = result.result;\r\n          if (sendRetryLoginMsg) {\r\n            this._seatTokenRetrieved.next();\r\n          }\r\n        } else {\r\n          this.logger.error(`Keep alive returned invalid token:`, result);\r\n        }\r\n      },\r\n      (error) => {\r\n        this.logger.error(`Keep alive failed:`, error.message, error.description);\r\n      }\r\n    );\r\n  }\r\n\r\n  public KeepDbSessionAlive(): void {\r\n    // Note: this interval timing may need to be adjusted\r\n    setInterval(() => this.keepAliveDb(), 45000);\r\n  }\r\n\r\n  private keepAliveDb(): void {\r\n    this.logger.log('Keep alive db interval');\r\n    if (this.authService.token) {\r\n      this.logger.log('Calling keep db session alive', moment().format('LTS'));\r\n\r\n      const API_ENDPOINT = `/api/v1/auth/keepalive-db/`;\r\n      const endpoint = this.config.getServerUri() + API_ENDPOINT;\r\n\r\n      this.http.postAny(endpoint, undefined, undefined, true).subscribe((resp) => {\r\n        this.logger.log('Keep alive db response', resp);\r\n      });\r\n    }\r\n  }\r\n\r\n  private keepAlive(): Observable<StringResult> {\r\n    const seatToken = this.localStorageService.seatToken;\r\n    this.logger.log('Sending keep alive request with token', seatToken, lgSfx);\r\n\r\n    const API_ENDPOINT = `/api/v1/auth/keepalive/`;\r\n    const endpoint = this.config.getServerUri() + API_ENDPOINT;\r\n\r\n    return this.http\r\n      .post<StringResult>(endpoint, undefined, StringResult, undefined, true)\r\n      .pipe(map((resp) => resp));\r\n  }\r\n}\r\n"],
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}