dataService.ts

data-service.ts

import { Injectable } from '@angular/core';
import { Observable } from 'rxjs/index';
import { List, Item } from './shopika.model';
import { ID } from '@datorama/akita';
import { of } from 'rxjs';

@Injectable({
  providedIn: 'root'
})
export class ShopikaDataService {

  /**
   * Here we use local storage as our database since we only want to focus on Akita
   */

  getLists(): Observable<List> {
    const lists = JSON.parse(localStorage.getItem('lists')) || [];
    return of(lists);
  }

  getItems(): Observable<Item[]> {
    const items = JSON.parse(localStorage.getItem('items')) || [];
    return of(items);
  }

  saveList(list: List | List[]) {
    const existingData = JSON.parse(localStorage.getItem('lists')) || [];
    const newData = [...existingData, list];
    localStorage.setItem('lists', JSON.stringify(newData));
  }

  saveItems(items: Item[]) {
    const existingData = JSON.parse(localStorage.getItem('items')) || [];
    const newData = [...existingData, items];
    localStorage.setItem('items', JSON.stringify(newData));
  }

  updateItemStatus(item: Item) {
    const existingItems = JSON.parse(localStorage.getItem('items'));
    const index = existingItems.findIndex((data: Item) => data.id === item.id);
    existingItems[index] = item;
    localStorage.setItem('items', JSON.stringify(existingItems));
  }


}