Update some global components with loading signals

src-ui/src/app/components/dashboard/widgets/saved-view-widget/saved-view-widget.component.ts

@@ -6,12 +6,13 @@ import {
   OnDestroy,
   OnInit,
   QueryList,
+  signal,
   ViewChildren,
 } from '@angular/core'
 import { Router, RouterModule } from '@angular/router'
 import { NgbPopover } from '@ng-bootstrap/ng-bootstrap'
 import { NgxBootstrapIconsModule } from 'ngx-bootstrap-icons'
-import { delay, Subject, takeUntil, tap } from 'rxjs'
+import { Subject, takeUntil } from 'rxjs'
 import { CustomFieldDisplayComponent } from 'src/app/components/common/custom-field-display/custom-field-display.component'
 import { PreviewPopupComponent } from 'src/app/components/common/preview-popup/preview-popup.component'
 import { TagComponent } from 'src/app/components/common/tag/tag.component'
@@ -106,7 +107,7 @@ export class SavedViewWidgetComponent
   @Input()
   savedView: SavedView
 
-  documents: Document[] = []
+  private documentsSignal = signal<Document[]>([])
 
   unsubscribeNotifier: Subject<any> = new Subject()
 
@@ -116,21 +117,56 @@ export class SavedViewWidgetComponent
   mouseOnPreview = false
   popoverHidden = true
 
-  displayMode: DisplayMode
+  private displayModeSignal = signal<DisplayMode>(null)
 
-  displayFields: DisplayField[] = DEFAULT_DASHBOARD_DISPLAY_FIELDS
+  private displayFieldsSignal = signal<DisplayField[]>(
+    DEFAULT_DASHBOARD_DISPLAY_FIELDS
+  )
 
-  count: number
+  private countSignal = signal<number>(null)
+
+  placeholderRows: number[] = []
+
+  get documents(): Document[] {
+    return this.documentsSignal()
+  }
+
+  set documents(value: Document[]) {
+    this.documentsSignal.set(value)
+  }
+
+  get displayMode(): DisplayMode {
+    return this.displayModeSignal()
+  }
+
+  set displayMode(value: DisplayMode) {
+    this.displayModeSignal.set(value)
+  }
+
+  get displayFields(): DisplayField[] {
+    return this.displayFieldsSignal()
+  }
+
+  set displayFields(value: DisplayField[]) {
+    this.displayFieldsSignal.set(value)
+  }
+
+  get count(): number {
+    return this.countSignal()
+  }
+
+  set count(value: number) {
+    this.countSignal.set(value)
+  }
 
   ngOnInit(): void {
-    this.reload()
+    this.placeholderRows = Array.from(
+      {
+        length: this.savedView?.page_size ?? DEFAULT_DASHBOARD_VIEW_PAGE_SIZE,
+      },
+      (_, index) => index
+    )
     this.displayMode = this.savedView.display_mode ?? DisplayMode.TABLE
-    this.websocketStatusService
-      .onDocumentConsumptionFinished()
-      .pipe(takeUntil(this.unsubscribeNotifier))
-      .subscribe(() => {
-        this.reload()
-      })
 
     if (
       this.permissionsService.currentUserCan(
@@ -159,6 +195,14 @@ export class SavedViewWidgetComponent
         this.settingsService.allDisplayFields.find((f) => f.id === field) !==
         undefined
     )
+
+    this.reload()
+    this.websocketStatusService
+      .onDocumentConsumptionFinished()
+      .pipe(takeUntil(this.unsubscribeNotifier))
+      .subscribe(() => {
+        this.reload()
+      })
   }
 
   ngOnDestroy(): void {
@@ -168,6 +212,7 @@ export class SavedViewWidgetComponent
 
   reload() {
     this.loading = this.documents.length == 0
+    this.show = true
     this.documentService
       .listFiltered(
         1,
@@ -177,18 +222,13 @@ export class SavedViewWidgetComponent
         this.savedView.filter_rules,
         { truncate_content: true }
       )
-      .pipe(
-        takeUntil(this.unsubscribeNotifier),
-        tap((result) => {
-          this.show = true
-          this.documents = result.results
-          this.count = result.count
-          this.savedViewService.setDocumentCount(this.savedView, result.count)
-        }),
-        delay(500)
-      )
+      .pipe(takeUntil(this.unsubscribeNotifier))
       .subscribe((result) => {
+        this.documents = result.results
+        this.count = result.count
+        this.savedViewService.setDocumentCount(this.savedView, result.count)
         this.loading = false
+        this.show = true
       })
   }