From c85a1be3cf8153b69fad654c6f9cc6b736400762 Mon Sep 17 00:00:00 2001
From: Ayush2198-source <jaiswal.ayush2198@gmail.com>
Date: Wed, 4 Dec 2024 00:43:45 +0530
Subject: [PATCH] Feature/add pagination to users table (#4092)

* Add pagination to users table

* Update changelog
---
 CHANGELOG.md                                  |  6 ++++
 .../admin-users/admin-users.component.ts      | 34 ++++++++++++++++---
 .../components/admin-users/admin-users.html   | 11 ++++++
 .../admin-users/admin-users.module.ts         |  2 ++
 apps/client/src/app/services/admin.service.ts | 12 +++++--
 5 files changed, 59 insertions(+), 6 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b287755de..aed13fe01 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Added
+
+- Added pagination to the users table of the admin control panel
+
 ## 2.125.0 - 2024-11-30
 
 ### Changed
diff --git a/apps/client/src/app/components/admin-users/admin-users.component.ts b/apps/client/src/app/components/admin-users/admin-users.component.ts
index d619f4dd4..91c258f90 100644
--- a/apps/client/src/app/components/admin-users/admin-users.component.ts
+++ b/apps/client/src/app/components/admin-users/admin-users.component.ts
@@ -4,11 +4,19 @@ import { AdminService } from '@ghostfolio/client/services/admin.service';
 import { DataService } from '@ghostfolio/client/services/data.service';
 import { ImpersonationStorageService } from '@ghostfolio/client/services/impersonation-storage.service';
 import { UserService } from '@ghostfolio/client/services/user/user.service';
+import { DEFAULT_PAGE_SIZE } from '@ghostfolio/common/config';
 import { getDateFormatString, getEmojiFlag } from '@ghostfolio/common/helper';
 import { AdminUsers, InfoItem, User } from '@ghostfolio/common/interfaces';
 import { hasPermission, permissions } from '@ghostfolio/common/permissions';
 
-import { ChangeDetectorRef, Component, OnDestroy, OnInit } from '@angular/core';
+import {
+  ChangeDetectorRef,
+  Component,
+  OnDestroy,
+  OnInit,
+  ViewChild
+} from '@angular/core';
+import { MatPaginator, PageEvent } from '@angular/material/paginator';
 import { MatTableDataSource } from '@angular/material/table';
 import {
   differenceInSeconds,
@@ -24,6 +32,8 @@ import { takeUntil } from 'rxjs/operators';
   templateUrl: './admin-users.html'
 })
 export class AdminUsersComponent implements OnDestroy, OnInit {
+  @ViewChild(MatPaginator) paginator: MatPaginator;
+
   public dataSource = new MatTableDataSource<AdminUsers['users'][0]>();
   public defaultDateFormat: string;
   public displayedColumns: string[] = [];
@@ -32,6 +42,8 @@ export class AdminUsersComponent implements OnDestroy, OnInit {
   public hasPermissionToImpersonateAllUsers: boolean;
   public info: InfoItem;
   public isLoading = false;
+  public pageSize = DEFAULT_PAGE_SIZE;
+  public totalItems = 0;
   public user: User;
 
   private unsubscribeSubject = new Subject<void>();
@@ -137,19 +149,33 @@ export class AdminUsersComponent implements OnDestroy, OnInit {
     window.location.reload();
   }
 
+  public onChangePage(page: PageEvent) {
+    this.fetchUsers({
+      pageIndex: page.pageIndex
+    });
+  }
+
   public ngOnDestroy() {
     this.unsubscribeSubject.next();
     this.unsubscribeSubject.complete();
   }
 
-  private fetchUsers() {
+  private fetchUsers({ pageIndex }: { pageIndex: number } = { pageIndex: 0 }) {
     this.isLoading = true;
 
+    if (pageIndex === 0 && this.paginator) {
+      this.paginator.pageIndex = 0;
+    }
+
     this.adminService
-      .fetchUsers()
+      .fetchUsers({
+        skip: pageIndex * this.pageSize,
+        take: this.pageSize
+      })
       .pipe(takeUntil(this.unsubscribeSubject))
-      .subscribe(({ users }) => {
+      .subscribe(({ count, users }) => {
         this.dataSource = new MatTableDataSource(users);
+        this.totalItems = count;
 
         this.isLoading = false;
 
diff --git a/apps/client/src/app/components/admin-users/admin-users.html b/apps/client/src/app/components/admin-users/admin-users.html
index 170b500ff..ca8ef0558 100644
--- a/apps/client/src/app/components/admin-users/admin-users.html
+++ b/apps/client/src/app/components/admin-users/admin-users.html
@@ -267,6 +267,17 @@
           ></tr>
         </table>
       </div>
+
+      <mat-paginator
+        [length]="totalItems"
+        [ngClass]="{
+          'd-none': (isLoading && totalItems === 0) || totalItems <= pageSize
+        }"
+        [pageSize]="pageSize"
+        [showFirstLastButtons]="true"
+        (page)="onChangePage($event)"
+      />
+
       @if (isLoading) {
         <ngx-skeleton-loader
           animation="pulse"
diff --git a/apps/client/src/app/components/admin-users/admin-users.module.ts b/apps/client/src/app/components/admin-users/admin-users.module.ts
index fcf25c8b5..ca3131797 100644
--- a/apps/client/src/app/components/admin-users/admin-users.module.ts
+++ b/apps/client/src/app/components/admin-users/admin-users.module.ts
@@ -5,6 +5,7 @@ import { CommonModule } from '@angular/common';
 import { CUSTOM_ELEMENTS_SCHEMA, NgModule } from '@angular/core';
 import { MatButtonModule } from '@angular/material/button';
 import { MatMenuModule } from '@angular/material/menu';
+import { MatPaginatorModule } from '@angular/material/paginator';
 import { MatTableModule } from '@angular/material/table';
 import { NgxSkeletonLoaderModule } from 'ngx-skeleton-loader';
 
@@ -19,6 +20,7 @@ import { AdminUsersComponent } from './admin-users.component';
     GfValueComponent,
     MatButtonModule,
     MatMenuModule,
+    MatPaginatorModule,
     MatTableModule,
     NgxSkeletonLoaderModule
   ],
diff --git a/apps/client/src/app/services/admin.service.ts b/apps/client/src/app/services/admin.service.ts
index d004671dd..5d252f00f 100644
--- a/apps/client/src/app/services/admin.service.ts
+++ b/apps/client/src/app/services/admin.service.ts
@@ -10,6 +10,7 @@ import {
   HEADER_KEY_TOKEN,
   PROPERTY_API_KEY_GHOSTFOLIO
 } from '@ghostfolio/common/config';
+import { DEFAULT_PAGE_SIZE } from '@ghostfolio/common/config';
 import { DATE_FORMAT } from '@ghostfolio/common/helper';
 import {
   AssetProfileIdentifier,
@@ -179,10 +180,17 @@ export class AdminService {
     return this.http.get<Tag[]>('/api/v1/tag');
   }
 
-  public fetchUsers() {
+  public fetchUsers({
+    skip,
+    take = DEFAULT_PAGE_SIZE
+  }: {
+    skip?: number;
+    take?: number;
+  }) {
     let params = new HttpParams();
 
-    params = params.append('take', 30);
+    params = params.append('skip', skip);
+    params = params.append('take', take);
 
     return this.http.get<AdminUsers>('/api/v1/admin/user', { params });
   }