{
  "version": 3,
  "sources": ["src/app/core/guards/acreage-overview.guard.ts"],
  "sourcesContent": ["// why use a route guard instead of a resolve?\n// a.  we don't need a resolve because we are using a store\n// b.  it gives us a benefit of controlling navigation to navigate away, etc\nimport { Injectable } from '@angular/core';\n\nimport { Store } from '@ngrx/store';\nimport { of, Observable } from 'rxjs';\nimport { catchError, filter, switchMap, take } from 'rxjs/operators';\n\nimport * as fromSelectors from 'src/app/root-store/global-store/store/selectors';\nimport * as fromReducers from 'src/app/root-store/global-store/store/reducers';\nimport * as fromActions from 'src/app/root-store/global-store/store/actions';\nimport { LoadActionGuardFactoryService } from 'src/app/core/services/load-action-guard-factory.service';\n\n@Injectable()\nexport class AcreageOverviewGuard {\n  constructor(\n    private _store: Store<fromReducers.GlobalState>,\n    private _guardFactory: LoadActionGuardFactoryService\n  ) {}\n\n  canActivate(): Observable<boolean> {\n    return this.checkStore().pipe(\n      // returns observable of true if things have gone correctly\n      switchMap(() => of(true)),\n      // else returns observable of false if things have gone awry\n      catchError(() => of(false))\n    );\n  }\n\n  checkStore(): Observable<boolean> {\n    return this.waitForYearsToLoad().pipe(switchMap(() => this.waitForOverviewToLoad()));\n  }\n\n  waitForOverviewToLoad(): Observable<boolean> {\n    return this._guardFactory.canAdvance({\n      loadAction: new fromActions.LoadAcreageOverview(),\n      isLoadedSelector: fromSelectors.getAcreageOverviewLoaded,\n      hasErrorSelector: fromSelectors.getAcreageOverviewErred\n    });\n  }\n\n  /**\n   * This method creates an observable that waits for the `loaded` property\n   * of the collection state to turn `true`, emitting one time once loading\n   * has finished.\n   */\n  waitForYearsToLoad(): Observable<boolean> {\n    return this._store.select(fromSelectors.getProductionYearsLoaded).pipe(\n      filter((loaded) => loaded),\n      take(1)\n    );\n  }\n}\n"],
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}