Fix checkboxes and bulk download

src-angular/app/core/services/selection.service.ts

@@ -2,34 +2,29 @@ import { EventEmitter, Injectable } from '@angular/core'
 
 import { SearchService } from './search.service'
 
-// Note: this class prevents event cycles by only emitting events if the checkbox changes
-
 @Injectable({
 	providedIn: 'root',
 })
 export class SelectionService {
 
+	private allSelected = false
 	private selectAllChangedEmitter = new EventEmitter<boolean>()
 
 	public selections: { [groupId: number]: boolean | undefined } = {}
 
 	constructor(searchService: SearchService) {
-		searchService.searchUpdated.subscribe(() => {
+		searchService.newSearch.subscribe(() => {
 			this.selections = {}
+			this.deselectAll()
 		})
 	}
 
-	getSelectedResults() {
-		// TODO
-		// eslint-disable-next-line @typescript-eslint/no-explicit-any
-		return [] as any[] // this.searchResults.filter(result => this.selections[result.id] === true)
-	}
-
-	onSelectAllChanged(callback: (selected: boolean) => void) {
-		this.selectAllChangedEmitter.subscribe(callback)
+	isAllSelected() {
+		return this.allSelected
 	}
 
 	deselectAll() {
+		this.allSelected = false
 		for (const groupId in this.selections) {
 			this.selections[groupId] = false
 		}
@@ -37,6 +32,7 @@ export class SelectionService {
 	}
 
 	selectAll() {
+		this.allSelected = true
 		for (const groupId in this.selections) {
 			this.selections[groupId] = true
 		}