From 3228abef44f71dfac49b2e641ab4cbc3b06bf790 Mon Sep 17 00:00:00 2001
From: Nino Righi <n.righi@paragon-data.de>
Date: Fri, 28 Nov 2025 12:40:04 +0000
Subject: [PATCH] Merged PR 2061: feature(crm-data-access): Added check in
 customer resource if customerId has...

feature(crm-data-access): Added check in customer resource if customerId has changed to prevent flickering in the view after Filter changes etc.

Ref: #5478
---
 .../src/lib/resources/customer.resource.ts    | 31 ++++++++++++++-----
 1 file changed, 23 insertions(+), 8 deletions(-)

diff --git a/libs/crm/data-access/src/lib/resources/customer.resource.ts b/libs/crm/data-access/src/lib/resources/customer.resource.ts
index 805ea1e79..075b46d22 100644
--- a/libs/crm/data-access/src/lib/resources/customer.resource.ts
+++ b/libs/crm/data-access/src/lib/resources/customer.resource.ts
@@ -1,4 +1,11 @@
-import { effect, inject, Injectable, resource, signal } from '@angular/core';
+import {
+  effect,
+  inject,
+  Injectable,
+  resource,
+  signal,
+  untracked,
+} from '@angular/core';
 import { CrmSearchService, CrmTabMetadataService } from '../services';
 import { TabService } from '@isa/core/tabs';
 import { Customer } from '../schemas';
@@ -7,17 +14,20 @@ import { Customer } from '../schemas';
 export class CustomerResource {
   #customerService = inject(CrmSearchService);
 
-  #params = signal<{ customerId: number | undefined; eagerLoading: number }>({
+  protected _params = signal<{
+    customerId: number | undefined;
+    eagerLoading: number;
+  }>({
     customerId: undefined,
     eagerLoading: 3,
   });
 
   params(params: { customerId?: number; eagerLoading?: number }) {
-    this.#params.update((p) => ({ ...p, ...params }));
+    this._params.update((p) => ({ ...p, ...params }));
   }
 
   readonly resource = resource({
-    params: () => this.#params(),
+    params: () => this._params(),
     loader: async ({ params, abortSignal }): Promise<Customer | undefined> => {
       if (!params.customerId) {
         return undefined;
@@ -45,12 +55,17 @@ export class SelectedCustomerResource extends CustomerResource {
     super();
     effect(() => {
       const tabId = this.#tabId();
+      let customerId = undefined;
 
-      const customerId = tabId
-        ? this.#customerMetadata.selectedCustomerId(tabId)
-        : undefined;
+      if (tabId) {
+        customerId = this.#customerMetadata.selectedCustomerId(tabId);
+      }
 
-      this.params({ customerId });
+      untracked(() => {
+        if (this._params().customerId !== customerId) {
+          this.params({ customerId });
+        }
+      });
     });
   }