Initial

listify-client/src/app/lists/lists.service.ts

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+import { HttpClient } from '@angular/common/http';
+import { Injectable, inject } from '@angular/core';
+import { Observable } from 'rxjs';
+import {
+  AddListItemRequest,
+  CreateListRequest,
+  UpdateListItemRequest,
+  UpdateListRequest,
+  UserList,
+} from './lists.models';
+
+@Injectable({ providedIn: 'root' })
+export class ListsService {
+  private readonly http = inject(HttpClient);
+  private readonly apiUrl = '/api/lists';
+
+  listLists(): Observable<UserList[]> {
+    return this.http.get<UserList[]>(this.apiUrl);
+  }
+
+  getList(listId: string): Observable<UserList> {
+    return this.http.get<UserList>(`${this.apiUrl}/${listId}`);
+  }
+
+  createList(data: CreateListRequest): Observable<UserList> {
+    return this.http.post<UserList>(this.apiUrl, data);
+  }
+
+  updateList(listId: string, data: UpdateListRequest): Observable<UserList> {
+    return this.http.patch<UserList>(`${this.apiUrl}/${listId}`, data);
+  }
+
+  addItem(listId: string, data: AddListItemRequest): Observable<UserList> {
+    return this.http.post<UserList>(`${this.apiUrl}/${listId}/items`, data);
+  }
+
+  updateItem(
+    listId: string,
+    itemId: string,
+    data: UpdateListItemRequest,
+  ): Observable<UserList> {
+    return this.http.patch<UserList>(
+      `${this.apiUrl}/${listId}/items/${itemId}`,
+      data,
+    );
+  }
+}