vokabeltraining/src/app/deck.service.ts

116 lines
2.8 KiB
TypeScript

// src/app/deck.service.ts
import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { map, Observable, switchMap } from 'rxjs';
export interface Deck {
id: number; // Hinzugefügt
name: string;
images: DeckImage[];
}
export interface DeckImage {
boxes: Box[];
name: string;
}
export interface Box {
x1:number;
x2:number;
y1:number;
y2:number;
}
export interface BackendBox {
bildname: string;
deckid: number;
iconindex: number;
id: number;
x1: number;
x2: number;
y1: number;
y2: number;
}
@Injectable({
providedIn: 'root'
})
export class DeckService {
private apiUrl = '/api/decks';
constructor(private http: HttpClient) { }
getDecks(): Observable<Deck[]> {
return this.http.get<any[]>(this.apiUrl).pipe(
map(decks => decks.map(deck => ({
id: deck.id, // Annahme: Jeder Deck hat eine eindeutige ID
name: deck.name,
images: this.groupImagesByName(deck.images)
})))
);
}
private groupImagesByName(images: any[]): DeckImage[] {
const imageMap: { [key: string]: DeckImage } = {};
images.forEach(image => {
if (!imageMap[image.name]) {
imageMap[image.name] = {
name: image.name,
boxes: []
};
}
imageMap[image.name].boxes.push({
x1: image.x1,
x2: image.x2,
y1: image.y1,
y2: image.y2
});
});
return Object.values(imageMap);
}
getDeck(deckname:string): Observable<Deck> {
return this.http.get<Deck>(`${this.apiUrl}/${deckname}/images`);
}
getImage(name: string): Observable<DeckImage> {
return this.http.get<BackendBox[]>(`${this.apiUrl}/image/${name}`).pipe(
map(response => {
if (response.length === 0) {
// Falls keine Daten zurückgegeben werden, ein leeres DeckImage zurückgeben
return { name: name, boxes: [] };
}
// Extrahiere den Bildnamen aus dem ersten Element des Arrays
const imageName = response[0].bildname;
// Mape die Backend-Daten auf das Box-Interface
const boxes: Box[] = response.map(item => ({
x1: item.x1,
x2: item.x2,
y1: item.y1,
y2: item.y2
}));
return {
name: imageName,
boxes: boxes
};
})
);
}
createDeck(deckname: string): Observable<any> {
return this.http.post(this.apiUrl, { deckname });
}
deleteDeck(deckName: string): Observable<any> {
return this.http.delete(`${this.apiUrl}/${encodeURIComponent(deckName)}`);
}
saveImageData(data:any): Observable<any> {
return this.http.post(`${this.apiUrl}/image`, data);
}
// Neue Methode zum Löschen eines Bildes
deleteImage(imageName: string): Observable<any> {
return this.http.delete(`${this.apiUrl}/image/${imageName}`);
}
}