63 lines
2.0 KiB
TypeScript
63 lines
2.0 KiB
TypeScript
import { Item } from './item.model';
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import { Injectable } from '@angular/core';
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import { Subject, BehaviorSubject, Observable } from 'rxjs';
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import { HttpClient, HttpParams, HttpHeaders } from '@angular/common/http';
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@Injectable({providedIn: 'root'})
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export class ItemService{
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beUrl = 'http://localhost:3000/';
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private dataStore: { items: Item[] } = { items: [] } ;
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private _itemsUpdated: BehaviorSubject<Item[]> = new BehaviorSubject(this.dataStore.items);
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public readonly itemsUpdated: Observable<Item[]> = this._itemsUpdated.asObservable();
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private address:string = '';
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private apiKey = 'YourApiKey';
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private reqHeaders: HttpHeaders;
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constructor(private http: HttpClient){
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this.reqHeaders = new HttpHeaders().set('Authorization', this.apiKey);
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}
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getItems(addr: string){
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this.address = addr;
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const params = new HttpParams().append('address', addr);
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let obs = this.http.get<{message: string, items: any}>(this.beUrl+'api/getitems', { headers:this.reqHeaders, params: params, observe: 'response'});
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obs.subscribe((ItemDataResponse) => {
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if (ItemDataResponse.status == 200 ) {
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this.dataStore.items = ItemDataResponse.body!.items;
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this._itemsUpdated.next(Object.assign({},this.dataStore).items);
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} else {
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this.dataStore.items = [];
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this._itemsUpdated.next(Object.assign({},this.dataStore).items);
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console.log('No items found');
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}
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});
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return obs;
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}
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addItem(item: Item) {
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//const params = new HttpParams().append('item', JSON.stringify(item));
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let obs = this.http.post<{message: string}>(this.beUrl+'api/item', { item: item }, { headers: this.reqHeaders });
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obs.subscribe((ItemResponse) => {
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console.log('Item added');
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this.getItems(this.address);
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});
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return obs;
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}
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deleteItem(id: string) {
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let obs = this.http.delete<{message: string}>(this.beUrl+'api/item/'+id, { headers: this.reqHeaders });
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obs.subscribe((ItemResponse) => {
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console.log('Item deleted');
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this.getItems(this.address);
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});
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return obs;
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}
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}
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