introduce name write guard manager

Author: madsrasmussen

src/Umbraco.Web.UI.Client/src/packages/core/workspace/components/workspace-header-name-editable/workspace-header-name-editable.element.ts

@@ -31,6 +31,9 @@ export class UmbWorkspaceHeaderNameEditableElement extends UmbLitElement {
 	@state()
 	private _name = '';
 
+	@state()
+	private _isWritableName = true;
+
 	#workspaceContext?: typeof UMB_NAMABLE_WORKSPACE_CONTEXT.TYPE;
 
 	constructor() {
@@ -39,9 +42,20 @@ export class UmbWorkspaceHeaderNameEditableElement extends UmbLitElement {
 		this.consumeContext(UMB_NAMABLE_WORKSPACE_CONTEXT, (workspaceContext) => {
 			this.#workspaceContext = workspaceContext;
 			this.#observeName();
+			this.#observeNameWriteGuardRules();
 		});
 	}
 
+	#observeNameWriteGuardRules() {
+		this.observe(
+			this.#workspaceContext?.nameWriteGuard.isPermittedForName(),
+			(isPermitted) => {
+				this._isWritableName = isPermitted ?? true;
+			},
+			'umbObserveWorkspaceNameWriteGuardRules',
+		);
+	}
+
 	#observeName() {
 		if (!this.#workspaceContext) return;
 		this.observe(
@@ -73,7 +87,7 @@ export class UmbWorkspaceHeaderNameEditableElement extends UmbLitElement {
 			@input="${this.#onNameInput}"
 			label=${this.label ?? this.localize.term('placeholders_entername')}
 			placeholder=${this.placeholder ?? this.localize.term('placeholders_entername')}
-			?readonly=${this.readonly}
+			?readonly=${this.readonly || !this._isWritableName}
 			required
 			${umbBindToValidation(this, `$.name`, this._name)}
 			${umbFocus()}></uui-input>`;

src/Umbraco.Web.UI.Client/src/packages/core/workspace/entity-detail/entity-named-detail-workspace-base.ts

@@ -1,8 +1,10 @@
 import type { UmbNamableWorkspaceContext } from '../types.js';
+import { UmbNameWriteGuardManager } from '../namable/index.js';
 import { UmbEntityDetailWorkspaceContextBase } from './entity-detail-workspace-base.js';
-import type { UmbEntityDetailWorkspaceContextCreateArgs } from './types.js';
+import type { UmbEntityDetailWorkspaceContextArgs, UmbEntityDetailWorkspaceContextCreateArgs } from './types.js';
 import type { UmbNamedEntityModel } from '@umbraco-cms/backoffice/entity';
 import type { UmbDetailRepository } from '@umbraco-cms/backoffice/repository';
+import type { UmbControllerHost } from '@umbraco-cms/backoffice/controller-api';
 
 export abstract class UmbEntityNamedDetailWorkspaceContextBase<
 		NamedDetailModelType extends UmbNamedEntityModel = UmbNamedEntityModel,
@@ -17,7 +19,14 @@ export abstract class UmbEntityNamedDetailWorkspaceContextBase<
 	// Just for context token safety:
 	public readonly IS_ENTITY_NAMED_DETAIL_WORKSPACE_CONTEXT = true;
 
-	readonly name = this._data.createObservablePartOfCurrent((data) => data?.name);
+	public readonly name = this._data.createObservablePartOfCurrent((data) => data?.name);
+
+	public readonly nameWriteGuard = new UmbNameWriteGuardManager(this);
+
+	constructor(host: UmbControllerHost, args: UmbEntityDetailWorkspaceContextArgs) {
+		super(host, args);
+		this.nameWriteGuard.fallbackToPermitted();
+	}
 
 	getName() {
 		return this._data.getCurrent()?.name;

src/Umbraco.Web.UI.Client/src/packages/core/workspace/namable/index.ts

@@ -1 +1,2 @@
 export * from './namable-workspace.context-token.js';
+export * from './name-write-guard.manager.js';

src/Umbraco.Web.UI.Client/src/packages/core/workspace/namable/namable-workspace-context.interface.ts

@@ -1,8 +1,10 @@
 import type { UmbWorkspaceContext } from '../workspace-context.interface.js';
+import type { UmbNameWriteGuardManager } from './name-write-guard.manager.js';
 import type { Observable } from '@umbraco-cms/backoffice/external/rxjs';
 
 export interface UmbNamableWorkspaceContext extends UmbWorkspaceContext {
 	name: Observable<string | undefined>;
 	getName(): string | undefined;
 	setName(name: string): void;
+	nameWriteGuard: UmbNameWriteGuardManager;
 }

src/Umbraco.Web.UI.Client/src/packages/core/workspace/namable/name-write-guard.manager.ts

@@ -0,0 +1,20 @@
+import type { Observable } from '@umbraco-cms/backoffice/external/rxjs';
+import { UmbGuardManagerBase, type UmbGuardRule } from '@umbraco-cms/backoffice/utils';
+
+export class UmbNameWriteGuardManager extends UmbGuardManagerBase {
+	public isPermittedForName(): Observable<boolean> {
+		return this._rules.asObservablePart((rules) => this.#resolvePermission(rules));
+	}
+
+	#resolvePermission(rules: Array<UmbGuardRule>): boolean {
+		if (rules.some((rule) => rule.permitted === false)) {
+			return false;
+		}
+
+		if (rules.some((rule) => rule.permitted === true)) {
+			return true;
+		}
+
+		return this._fallback;
+	}
+}