Added live refresh to admin UI

- Added lastLogin UI
- Added operational time

frontend/src/app/adminui/adminui.component.html

@@ -22,7 +22,7 @@
     <div class="shadow stats bg-white">
       <div class="stat">
         <div class="stat-title">Operational For</div>
-        <div class="stat-value">2 Years</div>
+        <div class="stat-value">{{ statistics.applicationOnlineTime | duration }}</div>
         <div class="stat-desc">Since launch</div>
       </div>
     </div>
@@ -38,7 +38,7 @@
     <div class="shadow stats bg-white">
       <div class="stat">
         <div class="stat-title">Last Admin Login</div>
-        <div class="stat-value">2 days ago</div>
+        <div class="stat-value">{{ statistics.lastUserLogin | relativeTime }}</div>
         <div class="stat-desc">Most recent login</div>
       </div>
     </div>

frontend/src/app/adminui/adminui.component.ts

@@ -6,6 +6,8 @@ import {DevelopmentStore} from "../../store/DevelopmentStore";
 import {AuthStore} from "../../store/authStore";
 import {Router} from "@angular/router";
 import {FormatFileSizePipePipe} from "../format-file-size-pipe.pipe";
+import {DurationPipe} from "../duration.pipe";
+import {RelativeTimePipe} from "../relative-time.pipe";
 
 @Component({
   selector: 'app-adminui',
@@ -14,7 +16,9 @@ import {FormatFileSizePipePipe} from "../format-file-size-pipe.pipe";
     DatePipe,
     DecimalPipe,
     NgForOf,
-    FormatFileSizePipePipe
+    FormatFileSizePipePipe,
+    DurationPipe,
+    RelativeTimePipe
   ],
   templateUrl: './adminui.component.html',
   styleUrl: './adminui.component.scss'
@@ -25,9 +29,12 @@ export class AdminuiComponent {
   expiredFileUploads: any[] = [];
   totalFileSizeOnDisk: number = 0;
   totalFileDownloads = 0;
+  statistics: any = {};
 
   constructor(private developmentStore: DevelopmentStore, private authStore: AuthStore, private router: Router) {
-    this.verifyToken();
+    setInterval(() => {
+      this.verifyToken();
+    }, 1000);
   }
 
   async verifyToken() {
@@ -38,12 +45,14 @@ export class AdminuiComponent {
     }
     await this.fetchFileUploads();
     await this.fetchExpiredFileUploads();
+    await this.fetchStatistics();
     await this.calculateStatistics();
   }
 
   async calculateStatistics() {
-    console.log("Calculating statistics...");
+    this.totalFileSizeOnDisk = 0;
-    console.log(this.fileUploads)
+    this.totalFileDownloads = 0;
+
     for(let fileUpload of this.fileUploads) {
       this.totalFileSizeOnDisk += fileUpload.fileSize;
     }
@@ -86,4 +95,20 @@ export class AdminuiComponent {
       console.error(error);
     }
   }
+  async fetchStatistics() {
+    try {
+      const response = await axios({
+        method: 'get',
+        url: this.developmentStore.getBaseUrl() + 'api/v1/secure/statistics',
+        headers: {
+          'Content-Type': 'application/json',
+          'Authorization': 'Bearer ' + await firstValueFrom(this.authStore.token$)
+        }
+      });
+      this.statistics = response.data;
+      console.log(this.statistics)
+    } catch (error) {
+      console.error(error);
+    }
+  }
 }

frontend/src/app/duration.pipe.spec.ts

@@ -0,0 +1,8 @@
+import { DurationPipe } from './duration.pipe';
+
+describe('DurationPipe', () => {
+  it('create an instance', () => {
+    const pipe = new DurationPipe();
+    expect(pipe).toBeTruthy();
+  });
+});

frontend/src/app/duration.pipe.ts

@@ -0,0 +1,29 @@
+import { Pipe, PipeTransform } from '@angular/core';
+
+@Pipe({
+  name: 'duration',
+  standalone: true
+})
+export class DurationPipe implements PipeTransform {
+
+  transform(value: number): string {
+    if (!value) {
+      return '0m';
+    }
+
+    let milliseconds = value;
+    const days = Math.floor(milliseconds / (24 * 60 * 60 * 1000));
+    milliseconds %= 24 * 60 * 60 * 1000;
+    const hours = Math.floor(milliseconds / (60 * 60 * 1000));
+    milliseconds %= 60 * 60 * 1000;
+    const minutes = Math.floor(milliseconds / (60 * 1000));
+
+    if (days > 0) {
+      return `${days}d ${hours}h ${minutes}m`;
+    } else if (hours > 0) {
+      return `${hours}h ${minutes}m`;
+    } else {
+      return `${minutes}m`;
+    }
+  }
+}

frontend/src/app/relative-time.pipe.spec.ts

@@ -0,0 +1,8 @@
+import { RelativeTimePipe } from './relative-time.pipe';
+
+describe('RelativeTimePipe', () => {
+  it('create an instance', () => {
+    const pipe = new RelativeTimePipe();
+    expect(pipe).toBeTruthy();
+  });
+});

frontend/src/app/relative-time.pipe.ts

@@ -0,0 +1,45 @@
+import { Pipe, PipeTransform } from '@angular/core';
+
+@Pipe({
+  name: 'relativeTime',
+  standalone: true,
+  pure: false
+})
+export class RelativeTimePipe implements PipeTransform {
+
+  transform(value: string): string {
+    if (!value) {
+      return '';
+    }
+
+    const now = new Date();
+    const past = new Date(value);
+    const elapsed = now.getTime() - past.getTime();
+
+    const msPerSecond = 1000;
+    const msPerMinute = msPerSecond * 60;
+    const msPerHour = msPerMinute * 60;
+    const msPerDay = msPerHour * 24;
+    const msPerWeek = msPerDay * 7;
+    const msPerMonth = msPerDay * 30;
+    const msPerYear = msPerDay * 365;
+
+    if (elapsed < msPerSecond) {
+      return 'just now';
+    } else if (elapsed < msPerMinute) {
+      return `${Math.round(elapsed / msPerSecond)} seconds ago`;
+    } else if (elapsed < msPerHour) {
+      return `${Math.round(elapsed / msPerMinute)} minutes ago`;
+    } else if (elapsed < msPerDay) {
+      return `${Math.round(elapsed / msPerHour)} hours ago`;
+    } else if (elapsed < msPerWeek) {
+      return `${Math.round(elapsed / msPerDay)} days ago`;
+    } else if (elapsed < msPerMonth) {
+      return `${Math.round(elapsed / msPerWeek)} weeks ago`;
+    } else if (elapsed < msPerYear) {
+      return `${Math.round(elapsed / msPerMonth)} months ago`;
+    } else {
+      return `${Math.round(elapsed / msPerYear)} years ago`;
+    }
+  }
+}