feat: 🎸 implement host set host association capabilities

addons/api/addon/abilities/host-set.js

@@ -0,0 +1,22 @@
+import ModelAbility from './model';
+
+/**
+ * Provides abilities for host sets.
+ */
+export default class UserAbility extends ModelAbility {
+  // =permissions
+
+  /**
+   * @type {boolean}
+   */
+  get canAddHosts() {
+    return this.hasAuthorizedAction('add-hosts');
+  }
+
+  /**
+   * @type {boolean}
+   */
+  get canRemoveHosts() {
+    return this.hasAuthorizedAction('remove-hosts');
+  }
+}

addons/api/app/abilities/host-set.js

@@ -0,0 +1 @@
+export { default } from 'api/abilities/host-set';

addons/api/mirage/factories/host-set.js

@@ -8,6 +8,8 @@ export default factory.extend({
       'read',
       'update',
       'delete',
+      'add-hosts',
+      'remove-hosts',
     ],
   id: (i) => `host-set-id-${i}`,
 });

addons/api/tests/unit/abilities/host-set-test.js

@@ -0,0 +1,28 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'ember-qunit';
+
+module('Unit | Abilities | Host Set', function (hooks) {
+  setupTest(hooks);
+
+  test('it reflects when a given host set resource may add hosts based on authorized_actions', function (assert) {
+    assert.expect(2);
+    const service = this.owner.lookup('service:can');
+    const model = {
+      authorized_actions: ['add-hosts'],
+    };
+    assert.ok(service.can('addHosts hostSet', model));
+    model.authorized_actions = [];
+    assert.notOk(service.can('addHosts hostSet', model));
+  });
+
+  test('it reflects when a given hostSet resource may remove hosts based on authorized_actions', function (assert) {
+    assert.expect(2);
+    const service = this.owner.lookup('service:can');
+    const model = {
+      authorized_actions: ['remove-hosts'],
+    };
+    assert.ok(service.can('removeHosts hostSet', model));
+    model.authorized_actions = [];
+    assert.notOk(service.can('removeHosts hostSet', model));
+  });
+});

ui/admin/app/templates/scopes/scope/host-catalogs/host-catalog/host-sets/host-set/-actions.hbs

@@ -3,16 +3,18 @@
   @dropdownRight={{true}}
   as |dropdown|
 >
-  <dropdown.link
-    @route='scopes.scope.host-catalogs.host-catalog.host-sets.host-set.create-and-add-host'
-  >
-    {{t 'resources.host-set.actions.create-and-add-host'}}
-  </dropdown.link>
-  <dropdown.link
-    @route='scopes.scope.host-catalogs.host-catalog.host-sets.host-set.add-hosts'
-  >
-    {{t 'resources.host-set.actions.add-hosts'}}
-  </dropdown.link>
+  {{#if (can 'addHosts hostSet' @model)}}
+    <dropdown.link
+      @route='scopes.scope.host-catalogs.host-catalog.host-sets.host-set.create-and-add-host'
+    >
+      {{t 'resources.host-set.actions.create-and-add-host'}}
+    </dropdown.link>
+    <dropdown.link
+      @route='scopes.scope.host-catalogs.host-catalog.host-sets.host-set.add-hosts'
+    >
+      {{t 'resources.host-set.actions.add-hosts'}}
+    </dropdown.link>
+  {{/if}}
   {{#if (can 'delete model' @model)}}
     <dropdown.separator />
     <dropdown.button

ui/admin/app/templates/scopes/scope/host-catalogs/host-catalog/host-sets/host-set/hosts.hbs

@@ -36,21 +36,23 @@
             </Copyable>
           </row.cell>
           <row.cell>
-            <Rose::Dropdown
-              @icon='flight-icons/svg/more-horizontal-16'
-              @iconOnly={{true}}
-              @showCaret={{false}}
-              @dropdownRight={{true}}
-              @text='{{t 'actions.manage'}}'
-              as |dropdown|
-            >
-              <dropdown.button
-                @style='danger'
-                {{on 'click' (route-action 'removeHost' @model.hostSet host)}}
+            {{#if (can 'removeHosts hostSet' @model.hostSet)}}
+              <Rose::Dropdown
+                @icon='flight-icons/svg/more-horizontal-16'
+                @iconOnly={{true}}
+                @showCaret={{false}}
+                @dropdownRight={{true}}
+                @text='{{t 'actions.manage'}}'
+                as |dropdown|
               >
-                {{t 'actions.remove'}}
-              </dropdown.button>
-            </Rose::Dropdown>
+                <dropdown.button
+                  @style='danger'
+                  {{on 'click' (route-action 'removeHost' @model.hostSet host)}}
+                >
+                  {{t 'actions.remove'}}
+                </dropdown.button>
+              </Rose::Dropdown>
+            {{/if}}
           </row.cell>
         </body.row>
       {{/each}}

ui/admin/tests/acceptance/host-catalogs/host-sets/hosts-test.js

@@ -99,6 +99,16 @@ module('Acceptance | host-catalogs | host-sets | hosts', function (hooks) {
     assert.equal(findAll('tbody tr').length, count - 1);
   });
 
+  test('cannot remove a host without proper authorization', async function (assert) {
+    assert.expect(1);
+    const authorized_actions = instances.hostSet.authorized_actions.filter(
+      (item) => item !== 'remove-hosts'
+    );
+    instances.hostSet.update({ authorized_actions });
+    await visit(urls.hostSetHosts);
+    assert.notOk(find('tbody tr .rose-dropdown-button-danger'));
+  });
+
   test('shows error message on host remove error', async function (assert) {
     assert.expect(2);
     this.server.post('/host-sets/:idMethod', () => {
@@ -126,6 +136,22 @@ module('Acceptance | host-catalogs | host-sets | hosts', function (hooks) {
     assert.equal(currentURL(), urls.addHosts);
   });
 
+  test('can navigate to add hosts with proper authorization', async function (assert) {
+    assert.expect(1);
+    await visit(urls.hostSet);
+    assert.ok(find(`[href="${urls.addHosts}"]`));
+  });
+
+  test('cannot navigate to add hosts without proper authorization', async function (assert) {
+    assert.expect(1);
+    const authorized_actions = instances.hostSet.authorized_actions.filter(
+      (item) => item !== 'add-hosts'
+    );
+    instances.hostSet.update({ authorized_actions });
+    await visit(urls.hostSet);
+    assert.notOk(find(`[href="${urls.addHosts}"]`));
+  });
+
   test('select and save hosts to add', async function (assert) {
     assert.expect(3);
     instances.hostSet.update({ hostIds: [] });