gistfile1.ts

public fetchMaterial(materialId: number): void {
        IsSet(materialId);
        this.appState.dispatch({ type: StateActions.SET_LOADING, payload: true });

        this.apiService.Publications().MaterialsOf({ Id: materialId })
            .Search({ $top: 1, $select: "Text" })
            .do(() => this.appState.dispatch({ type: StateActions.SET_LOADING, payload: false }))
            .subscribe(response => {
                this.appState.dispatch({
                    type: StateActions.PROCESS_CONTENT,
                    payload: <ProcessContentArgs>{
                        content: response.value[0].Text,
                        knownTerms: this.termsService.getKnown(),
                        ignoredTerms: this.termsService.getIgnored(),
                        shelvedTerms: this.termsService.getShelved(),
                        flashcardedTerms: this.flashcardsService.getAllFlashcards(),
                        flashcardedPhrases: this.flashcardsService.getPhrases()
                    }
                });
            }, error => Materialize.toast(`Failed to load the material :(`, 60000));
    }