From c3bcb8d3c0dfedd89a2a20e321f9a512da0b04c7 Mon Sep 17 00:00:00 2001
From: thomas <thomas.ext@squadracer.com>
Date: Thu, 22 Dec 2022 11:32:46 +0100
Subject: [PATCH] feat(core): add destroyService

---
 .../permissions/src/app/has-role.directive.ts | 68 +++++++++++++++++++
 libs/shared/utils/src/index.ts                |  1 +
 .../utils/src/lib/destroy-service.service.ts  | 39 +++++++++++
 3 files changed, 108 insertions(+)
 create mode 100644 apps/permissions/src/app/has-role.directive.ts
 create mode 100644 libs/shared/utils/src/lib/destroy-service.service.ts

diff --git a/apps/permissions/src/app/has-role.directive.ts b/apps/permissions/src/app/has-role.directive.ts
new file mode 100644
index 0000000..807e8b6
--- /dev/null
+++ b/apps/permissions/src/app/has-role.directive.ts
@@ -0,0 +1,68 @@
+/* eslint-disable @angular-eslint/directive-selector */
+import { NgIfContext } from '@angular/common';
+import {
+  Directive,
+  Input,
+  OnDestroy,
+  OnInit,
+  TemplateRef,
+  ViewContainerRef,
+} from '@angular/core';
+import { Role } from './user.model';
+import { UserStore } from './user.store';
+
+@Directive({
+  selector: '[hasRole], [hasRoleIsAdmin]',
+  standalone: true,
+  providers: [provideDestroyService()],
+})
+export class HasRoleDirective implements OnInit, OnDestroy {
+  @Input('hasRole') role: Role | Role[] | undefined = undefined;
+
+  @Input('hasRoleIsAdmin') isAdmin = false;
+
+  @Input('hasRoleIsAdminElseTemplate')
+  elseTemplate?: TemplateRef<NgIfContext> | null;
+
+  constructor(
+    private templateRef: TemplateRef<unknown>,
+    private viewContainer: ViewContainerRef,
+    private store: UserStore
+  ) {}
+
+  ngOnDestroy(): void {
+    console.log('on destroy');
+  }
+
+  ngOnInit(): void {
+    console.log(this.role, this.isAdmin, this.elseTemplate);
+    if (this.isAdmin) {
+      this.store.isAdmin$.subscribe((isAdmin) => {
+        console.log(isAdmin);
+        isAdmin ? this.addTemplate() : this.addElseTemplate();
+      });
+    }
+    // else if (this.role) {
+    //   this.store
+    //     .hasAnyRole(this.role)
+    //     .subscribe((hasPermission) =>
+    //       hasPermission ? this.addTemplate() : this.addElseTemplate()
+    //     );
+    // } else {
+    //   this.addTemplate();
+    // }
+  }
+
+  private addTemplate() {
+    console.log('Add');
+    this.viewContainer.clear();
+    this.viewContainer.createEmbeddedView(this.templateRef);
+  }
+
+  private addElseTemplate() {
+    console.log('ici');
+    this.viewContainer.clear();
+    this.elseTemplate &&
+      this.viewContainer.createEmbeddedView(this.elseTemplate);
+  }
+}
diff --git a/libs/shared/utils/src/index.ts b/libs/shared/utils/src/index.ts
index 2b1a80f..15f8311 100644
--- a/libs/shared/utils/src/index.ts
+++ b/libs/shared/utils/src/index.ts
@@ -1 +1,2 @@
+export * from './lib/destroy-service.service';
 export * from './lib/random-http-error.utils';
diff --git a/libs/shared/utils/src/lib/destroy-service.service.ts b/libs/shared/utils/src/lib/destroy-service.service.ts
new file mode 100644
index 0000000..2a4b103
--- /dev/null
+++ b/libs/shared/utils/src/lib/destroy-service.service.ts
@@ -0,0 +1,39 @@
+import { ClassProvider, inject, Injectable, OnDestroy } from '@angular/core';
+import { Observable, Subject } from 'rxjs';
+
+function describeDestroyService() {
+  @Injectable()
+  class DestroyService extends Subject<void> implements OnDestroy {
+    ngOnDestroy(): void {
+      this.next();
+      this.complete();
+    }
+  }
+
+  function provideDestroyService(): ClassProvider {
+    return {
+      provide: DestroyService,
+      useClass: DestroyService,
+    };
+  }
+
+  function injectDestroyService(): Observable<void> {
+    const destroy$ = inject(DestroyService, { self: true, optional: true });
+
+    if (!destroy$) {
+      throw new Error(
+        'It seems that you forgot to provide DestroyService. Add "provideDestroyService()" to your declarable\'s providers.'
+      );
+    }
+
+    return destroy$.asObservable();
+  }
+
+  return {
+    provideDestroyService,
+    injectDestroyService,
+  };
+}
+
+export const { provideDestroyService, injectDestroyService } =
+  describeDestroyService();