Feature/improve usability of platform and tag management (#3144)

* Improve usability

* Update changelog

CHANGELOG.md

@@ -11,6 +11,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Extended the content of the _General_ section by the product roadmap on the Frequently Asked Questions (FAQ) page
 
+### Changed
+
+- Improved the usability of the platform management in the admin control panel
+- Improved the usability of the tag management in the admin control panel
+
 ### Fixed
 
 - Fixed the date conversion of the import of historical market data in the admin control panel

apps/client/src/app/components/admin-platform/admin-platform.component.html

@@ -91,7 +91,11 @@
                   <span i18n>Edit</span>
                 </span>
               </button>
-              <button mat-menu-item (click)="onDeletePlatform(element.id)">
+              <button
+                mat-menu-item
+                [disabled]="element.accountCount > 0"
+                (click)="onDeletePlatform(element.id)"
+              >
                 <span class="align-items-center d-flex">
                   <ion-icon class="mr-2" name="trash-outline" />
                   <span i18n>Delete</span>

apps/client/src/app/components/admin-tag/admin-tag.component.html

@@ -71,7 +71,11 @@
                   <span i18n>Edit</span>
                 </span>
               </button>
-              <button mat-menu-item (click)="onDeleteTag(element.id)">
+              <button
+                mat-menu-item
+                [disabled]="element.activityCount > 0"
+                (click)="onDeleteTag(element.id)"
+              >
                 <span class="align-items-center d-flex">
                   <ion-icon class="mr-2" name="trash-outline" />
                   <span i18n>Delete</span>