From cca7401d26751800eab72b00c8522a5bba981f28 Mon Sep 17 00:00:00 2001
From: Dan Percic <dan@devplant.ro>
Date: Wed, 15 Jun 2022 16:21:07 +0300
Subject: [PATCH] RED-3837: add deselect method

---
 src/lib/listing/services/listing.service.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/lib/listing/services/listing.service.ts b/src/lib/listing/services/listing.service.ts
index de39544..b784702 100644
--- a/src/lib/listing/services/listing.service.ts
+++ b/src/lib/listing/services/listing.service.ts
@@ -120,6 +120,12 @@ export class ListingService<E extends IListable> {
         this.setSelected(this.selected.filter((el, idx) => idx !== currentEntityIdx));
     }
 
+    deselect(entities: E | E[]) {
+        const _entities = Array.isArray(entities) ? entities : [entities];
+        const entitiesIds = _entities.map(e => e.id);
+        this.setSelected(this.selected.filter(el => !entitiesIds.includes(el.id)));
+    }
+
     private _updateSelection(): void {
         const items = this._displayed.filter(item => this.selected.includes(item));
         this.setSelected(items);