Mazdak Gibran
2 days ago
parent
6f2843b805
commit
bc18bcf946
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import { Injectable } from '@angular/core';
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import { SetupUser } from '../models/user';
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import { BehaviorSubject, Observable } from 'rxjs';
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import { URIKey } from '../utils/uri-enums';
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import { URIService } from '../app.uri';
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import { HttpURIService } from '../app.http.uri.service';
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@Injectable({
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providedIn: 'root'
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})
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export class UserSetupService {
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private usersSubject = new BehaviorSubject<SetupUser[]>([]);
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private currentPageSubject = new BehaviorSubject<number>(1);
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private totalCountSubject = new BehaviorSubject<number>(0);
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private searchTextSubject = new BehaviorSubject<string>('');
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private itemsPerPageSubject = new BehaviorSubject<number>(5);
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private paginatedUsersSubject = new BehaviorSubject<SetupUser[]>([]);
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users$ = this.usersSubject.asObservable();
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currentPage$ = this.currentPageSubject.asObservable();
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totalCount$ = this.totalCountSubject.asObservable();
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searchText$ = this.searchTextSubject.asObservable();
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itemsPerPage$ = this.itemsPerPageSubject.asObservable();
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paginatedUsers$ = this.paginatedUsersSubject.asObservable();
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constructor(private httpURIService: HttpURIService, private uriService: URIService) { }
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loadUsers(): void {
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this.uriService.canSubscribe.subscribe(can => {
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if (can) {
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this.httpURIService
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.requestGET<any>(URIKey.GET_ALL_USERS)
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.subscribe({
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next: (res) => {
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const users = Array.isArray(res) ? res : res?.data;
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this.usersSubject.next(users ?? []);
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this.totalCountSubject.next(users.length);
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this.applyPagination();
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},
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error: (err) => console.error(err)
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});
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}
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});
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}
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private applyPagination(): void {
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const allUsers = this.usersSubject.value;
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const searchText = this.searchTextSubject.value.toLowerCase();
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const currentPage = this.currentPageSubject.value;
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const itemsPerPage = this.itemsPerPageSubject.value;
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let filtered = allUsers.filter(user =>
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user.userId.toLowerCase().includes(searchText) ||
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user.userFullname.toLowerCase().includes(searchText) ||
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user.email.toLowerCase().includes(searchText)
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);
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const totalCount = filtered.length;
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const startIndex = (currentPage - 1) * itemsPerPage;
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const paginatedUsers = filtered.slice(startIndex, startIndex + itemsPerPage);
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this.paginatedUsersSubject.next(paginatedUsers);
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this.totalCountSubject.next(totalCount);
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}
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setSearchText(searchText: string): void {
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this.searchTextSubject.next(searchText);
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this.currentPageSubject.next(1);
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this.applyPagination();
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}
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setItemsPerPage(itemsPerPage: number): void {
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this.itemsPerPageSubject.next(itemsPerPage);
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this.currentPageSubject.next(1);
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this.applyPagination();
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}
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nextPage(): void {
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const totalPages = this.getTotalPages();
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const currentPage = this.currentPageSubject.value;
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if (currentPage < totalPages) {
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this.currentPageSubject.next(currentPage + 1);
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this.applyPagination();
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}
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}
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previousPage(): void {
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const currentPage = this.currentPageSubject.value;
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if (currentPage > 1) {
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this.currentPageSubject.next(currentPage - 1);
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this.applyPagination();
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}
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}
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goToPage(page: number): void {
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const totalPages = this.getTotalPages();
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if (page > 0 && page <= totalPages) {
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this.currentPageSubject.next(page);
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this.applyPagination();
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}
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}
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getTotalPages(): number {
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const totalCount = this.totalCountSubject.value;
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const itemsPerPage = this.itemsPerPageSubject.value;
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return Math.ceil(totalCount / itemsPerPage);
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}
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addUser(payload: SetupUser): Observable<SetupUser> {
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return this.httpURIService.requestPOST<SetupUser>(URIKey.CREATE_USER, payload);
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}
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}
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@ -1,5 +1,7 @@
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export enum URIKey {
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USER_LOGIN_URI = "USER_LOGIN_URI",
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USER_REFRESH_TOKEN = "USER_REFRESH_TOKEN"
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USER_REFRESH_TOKEN = "USER_REFRESH_TOKEN",
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CREATE_USER = 'CREATE_USER',
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GET_ALL_USERS = 'GET_ALL_USERS'
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}
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