Feature/color changed values instead of glowing and add a live indicator

CHANGELOG.md

@@ -9,7 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- Added a periodic refresh of the numbers on the home, analysis and accounts pages while the page is visible, highlighting changed values and table rows
+- Added a periodic refresh of the numbers on the home, analysis and accounts pages while the page is visible, briefly coloring changed values green or red, with a live indicator in the header
 
 ### Changed
 

apps/client/src/app/components/header/header.component.html

@@ -12,6 +12,7 @@
       </a>
     </div>
     <span class="gf-spacer"></span>
+    <gf-live-indicator class="px-2" />
     <ul class="align-items-center d-flex list-inline m-0 px-2">
       <li class="list-inline-item">
         <a

apps/client/src/app/components/header/header.component.ts

@@ -1,3 +1,4 @@
+import { GfLiveIndicatorComponent } from '@ghostfolio/client/components/live-indicator/live-indicator.component';
 import {
   LoginWithAccessTokenDialogParams,
   LoginWithAccessTokenDialogResult
@@ -61,6 +62,7 @@ import { catchError } from 'rxjs/operators';
   changeDetection: ChangeDetectionStrategy.OnPush,
   imports: [
     GfAssistantComponent,
+    GfLiveIndicatorComponent,
     GfLogoComponent,
     GfPremiumIndicatorComponent,
     IonIcon,

apps/client/src/app/components/home-holdings/home-holdings.component.ts

@@ -153,6 +153,7 @@ export class GfHomeHoldingsComponent implements OnInit {
       .subscribe(({ holdings }) => {
         this.holdings = holdings;
 
+        this.autoRefreshService.markUpdated();
         this.changeDetectorRef.markForCheck();
       });
   }

apps/client/src/app/components/home-overview/home-overview.component.ts

@@ -168,6 +168,8 @@ export class GfHomeOverviewComponent implements OnInit {
       .subscribe(({ errors, performance }) => {
         this.errors.set(errors ?? []);
         this.performance.set(performance);
+
+        this.autoRefreshService.markUpdated();
       });
 
     this.autoRefreshService.refresh$

apps/client/src/app/components/live-indicator/live-indicator.component.scss

@@ -0,0 +1,44 @@
+:host {
+  display: inline-flex;
+}
+
+.dot {
+  background-color: var(--bs-success, #198754);
+  border-radius: 50%;
+  display: inline-block;
+  height: 0.5rem;
+  opacity: 0.65;
+  position: relative;
+  width: 0.5rem;
+
+  &::after {
+    border: 2px solid var(--bs-success, #198754);
+    border-radius: 50%;
+    content: '';
+    inset: -2px;
+    opacity: 0;
+    position: absolute;
+  }
+
+  &.pulse::after {
+    animation: gf-live-pulse 1.2s ease-out;
+  }
+}
+
+@keyframes gf-live-pulse {
+  from {
+    opacity: 0.8;
+    transform: scale(1);
+  }
+
+  to {
+    opacity: 0;
+    transform: scale(2.6);
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .dot.pulse::after {
+    animation: none;
+  }
+}

apps/client/src/app/components/live-indicator/live-indicator.component.ts

@@ -0,0 +1,67 @@
+import { AutoRefreshService } from '@ghostfolio/client/services/auto-refresh/auto-refresh.service';
+
+import {
+  ChangeDetectionStrategy,
+  Component,
+  computed,
+  effect,
+  ElementRef,
+  inject,
+  viewChild
+} from '@angular/core';
+
+/**
+ * A small dot which pulses each time the numbers of the page have been
+ * refreshed in the background. The title shows the time of the last refresh.
+ */
+@Component({
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  selector: 'gf-live-indicator',
+  styleUrls: ['./live-indicator.component.scss'],
+  template: `
+    @if (lastUpdated()) {
+      <span
+        class="align-items-center d-flex"
+        role="status"
+        [attr.aria-label]="title()"
+        [title]="title()"
+      >
+        <span #dot class="dot"></span>
+      </span>
+    }
+  `
+})
+export class GfLiveIndicatorComponent {
+  protected readonly lastUpdated = inject(AutoRefreshService).lastUpdated;
+
+  protected readonly title = computed(() => {
+    const lastUpdated = this.lastUpdated();
+
+    return lastUpdated
+      ? $localize`Live` +
+          ' · ' +
+          $localize`Updated` +
+          ' ' +
+          lastUpdated.toLocaleTimeString()
+      : '';
+  });
+
+  private readonly dot = viewChild<ElementRef<HTMLElement>>('dot');
+
+  public constructor() {
+    effect(() => {
+      this.lastUpdated();
+
+      const element = this.dot()?.nativeElement;
+
+      if (element) {
+        element.classList.remove('pulse');
+
+        // Force a reflow to restart the animation
+        void element.offsetWidth;
+
+        element.classList.add('pulse');
+      }
+    });
+  }
+}

apps/client/src/app/pages/accounts/accounts-page.component.ts

@@ -103,6 +103,7 @@ export class GfAccountsPageComponent implements OnInit {
       )
       .subscribe((response) => {
         this.updateAccounts(response);
+        this.autoRefreshService.markUpdated();
       });
   }
 

apps/client/src/app/pages/portfolio/analysis/analysis-page.component.ts

@@ -196,6 +196,7 @@ export class GfAnalysisPageComponent implements OnInit {
 
         this.updateTopAndBottomHoldings(holdings);
 
+        this.autoRefreshService.markUpdated();
         this.changeDetectorRef.markForCheck();
       });
   }

apps/client/src/app/services/auto-refresh/auto-refresh.service.spec.ts

@@ -1,6 +1,8 @@
 import {
   AUTO_REFRESH_INTERVAL_MS,
-  AutoRefreshService
+  AUTO_REFRESH_INTERVAL_STORAGE_KEY,
+  AutoRefreshService,
+  getAutoRefreshInterval
 } from './auto-refresh.service';
 
 describe('AutoRefreshService', () => {
@@ -54,3 +56,33 @@ describe('AutoRefreshService', () => {
     subscription.unsubscribe();
   });
 });
+
+describe('getAutoRefreshInterval', () => {
+  const storageWith = (value: string | null) => ({
+    getItem: (key: string) =>
+      key === AUTO_REFRESH_INTERVAL_STORAGE_KEY ? value : null
+  });
+
+  it('returns the default without an override', () => {
+    expect(getAutoRefreshInterval(storageWith(null))).toBe(
+      AUTO_REFRESH_INTERVAL_MS
+    );
+  });
+
+  it('returns a valid override', () => {
+    expect(getAutoRefreshInterval(storageWith('1000'))).toBe(1000);
+    expect(getAutoRefreshInterval(storageWith('30000'))).toBe(30_000);
+  });
+
+  it('ignores an override outside of 1 second to 1 minute', () => {
+    expect(getAutoRefreshInterval(storageWith('200'))).toBe(
+      AUTO_REFRESH_INTERVAL_MS
+    );
+    expect(getAutoRefreshInterval(storageWith('600000'))).toBe(
+      AUTO_REFRESH_INTERVAL_MS
+    );
+    expect(getAutoRefreshInterval(storageWith('abc'))).toBe(
+      AUTO_REFRESH_INTERVAL_MS
+    );
+  });
+});

apps/client/src/app/services/auto-refresh/auto-refresh.service.ts

@@ -1,4 +1,4 @@
-import { Service } from '@angular/core';
+import { Service, signal } from '@angular/core';
 import { EMPTY, fromEvent, Observable, timer } from 'rxjs';
 import {
   distinctUntilChanged,
@@ -8,7 +8,30 @@ import {
   switchMap
 } from 'rxjs/operators';
 
-export const AUTO_REFRESH_INTERVAL_MS = 15_000;
+export const AUTO_REFRESH_INTERVAL_MS = 5000;
+export const AUTO_REFRESH_INTERVAL_STORAGE_KEY = 'gf-auto-refresh-ms';
+
+/**
+ * Returns the refresh interval of this device: the stored override (between
+ * 1 second and 1 minute) or the default.
+ */
+export function getAutoRefreshInterval(
+  storage?: Pick<Storage, 'getItem'>
+): number {
+  try {
+    const value = Number(
+      (storage ?? globalThis.localStorage)?.getItem(
+        AUTO_REFRESH_INTERVAL_STORAGE_KEY
+      )
+    );
+
+    return Number.isFinite(value) && value >= 1000 && value <= 60_000
+      ? value
+      : AUTO_REFRESH_INTERVAL_MS;
+  } catch {
+    return AUTO_REFRESH_INTERVAL_MS;
+  }
+}
 
 /**
  * Emits at a fixed interval while the page is visible so that pages can
@@ -17,6 +40,7 @@ export const AUTO_REFRESH_INTERVAL_MS = 15_000;
  */
 @Service()
 export class AutoRefreshService {
+  public readonly lastUpdated = signal<Date | null>(null);
   public readonly refresh$: Observable<void>;
 
   public constructor() {
@@ -31,15 +55,21 @@ export class AutoRefreshService {
           return EMPTY;
         }
 
-        const dueTime = isFirstActivation ? AUTO_REFRESH_INTERVAL_MS : 0;
+        const interval = getAutoRefreshInterval();
+        const dueTime = isFirstActivation ? interval : 0;
 
         isFirstActivation = false;
 
-        return timer(dueTime, AUTO_REFRESH_INTERVAL_MS).pipe(
+        return timer(dueTime, interval).pipe(map(() => undefined));
-          map(() => undefined)
-        );
       }),
       share()
     );
   }
+
+  /**
+   * To be called by a page after it has silently refreshed its numbers.
+   */
+  public markUpdated() {
+    this.lastUpdated.set(new Date());
+  }
 }

apps/client/src/styles.scss

@@ -503,86 +503,33 @@ ngx-skeleton-loader {
   }
 }
 
-// Highlight of a changed value, e.g. a table row after a background refresh
+// Highlight of a changed value: the number briefly takes the colour of the
-@keyframes gf-flash-fade {
+// change (green up, red down) and fades back to its normal colour
-  from {
+@keyframes gf-flash-up {
-    opacity: 1;
+  0%,
+  35% {
+    color: var(--bs-success, #198754);
   }
-
-  to {
-    opacity: 0;
-  }
-}
-
-tr.gf-flash-down > td:not(.mat-mdc-table-sticky),
-tr.gf-flash-up > td:not(.mat-mdc-table-sticky) {
-  position: relative;
-}
-
-tr.gf-flash-down > td::after,
-tr.gf-flash-up > td::after {
-  animation: gf-flash-fade 1.4s ease-out forwards;
-  content: '';
-  inset: 0;
-  pointer-events: none;
-  position: absolute;
-}
-
-tr.gf-flash-up > td::after {
-  background-color: rgba(var(--bs-success-rgb, 40, 167, 69), 0.14);
-}
-
-tr.gf-flash-down > td::after {
-  background-color: rgba(var(--bs-danger-rgb, 220, 53, 69), 0.14);
-}
-
-.gf-flash-down:not(tr),
-.gf-flash-up:not(tr) {
-  border-radius: 0.25rem;
-}
-
-.gf-flash-up:not(tr) {
-  animation: gf-flash-up-shadow 1.4s ease-out;
 }
 
-.gf-flash-down:not(tr) {
+@keyframes gf-flash-down {
-  animation: gf-flash-down-shadow 1.4s ease-out;
+  0%,
-}
+  35% {
-
+    color: var(--bs-danger, #dc3545);
-@keyframes gf-flash-up-shadow {
-  from {
-    box-shadow: 0 0 0 0.25rem rgba(var(--bs-success-rgb, 40, 167, 69), 0.3);
-  }
-
-  to {
-    box-shadow: 0 0 0 0.25rem rgba(var(--bs-success-rgb, 40, 167, 69), 0);
   }
 }
 
-@keyframes gf-flash-down-shadow {
+.gf-flash-up {
-  from {
+  animation: gf-flash-up 1.8s ease-out;
-    box-shadow: 0 0 0 0.25rem rgba(var(--bs-danger-rgb, 220, 53, 69), 0.3);
-  }
-
-  to {
-    box-shadow: 0 0 0 0.25rem rgba(var(--bs-danger-rgb, 220, 53, 69), 0);
-  }
 }
 
-// The highlight of a row replaces the highlight of its numbers
+.gf-flash-down {
-tr.gf-flash-down .gf-flash-down,
+  animation: gf-flash-down 1.8s ease-out;
-tr.gf-flash-down .gf-flash-up,
-tr.gf-flash-up .gf-flash-down,
-tr.gf-flash-up .gf-flash-up {
-  animation: none;
-  box-shadow: none;
 }
 
 @media (prefers-reduced-motion: reduce) {
   .gf-flash-down,
-  .gf-flash-up,
+  .gf-flash-up {
-  tr.gf-flash-down > td::after,
+    animation: none;
-  tr.gf-flash-up > td::after {
-    animation: none !important;
   }
 }

libs/ui/src/lib/accounts-table/accounts-table.component.html

@@ -375,7 +375,6 @@
       *matRowDef="let row; columns: displayedColumns()"
       mat-row
       [class.cursor-pointer]="hasPermissionToOpenDetails()"
-      [gfFlashOnChange]="row.valueInBaseCurrency"
       (click)="onOpenAccountDetailDialog(row.id)"
     ></tr>
     <tr

libs/ui/src/lib/accounts-table/accounts-table.component.ts

@@ -7,7 +7,6 @@ import {
 import { internalRoutes } from '@ghostfolio/common/routes/routes';
 import { AccountWithValue } from '@ghostfolio/common/types';
 import { GfEntityLogoComponent } from '@ghostfolio/ui/entity-logo';
-import { GfFlashOnChangeDirective } from '@ghostfolio/ui/flash-on-change';
 import { NotificationService } from '@ghostfolio/ui/notifications';
 import { GfValueComponent } from '@ghostfolio/ui/value';
 
@@ -43,7 +42,6 @@ import { NgxSkeletonLoaderModule } from 'ngx-skeleton-loader';
   changeDetection: ChangeDetectionStrategy.OnPush,
   imports: [
     GfEntityLogoComponent,
-    GfFlashOnChangeDirective,
     GfValueComponent,
     IonIcon,
     MatButtonModule,

libs/ui/src/lib/holdings-table/holdings-table.component.html

@@ -220,7 +220,6 @@
       *matRowDef="let row; columns: displayedColumns()"
       mat-row
       [class.cursor-pointer]="canShowDetails(row)"
-      [gfFlashOnChange]="row.netPerformancePercentWithCurrencyEffect * 100"
       (click)="
         canShowDetails(row) &&
           onOpenHoldingDialog({

libs/ui/src/lib/holdings-table/holdings-table.component.ts

@@ -27,7 +27,6 @@ import { MatTableDataSource, MatTableModule } from '@angular/material/table';
 import { NgxSkeletonLoaderModule } from 'ngx-skeleton-loader';
 
 import { GfEntityLogoComponent } from '../entity-logo/entity-logo.component';
-import { GfFlashOnChangeDirective } from '../flash-on-change/flash-on-change.directive';
 import { GfValueComponent } from '../value/value.component';
 import { HoldingsTableItem } from './interfaces/interfaces';
 
@@ -35,7 +34,6 @@ import { HoldingsTableItem } from './interfaces/interfaces';
   changeDetection: ChangeDetectionStrategy.OnPush,
   imports: [
     GfEntityLogoComponent,
-    GfFlashOnChangeDirective,
     GfValueComponent,
     MatButtonModule,
     MatDialogModule,