feat: Implement get saml auth providers API endpoint

packages/backend/src/controllers/api/v1/saml-auth-providers/get-saml-auth-providers.ee.js

@@ -0,0 +1,11 @@
+import { renderObject } from '../../../../helpers/renderer.js';
+import SamlAuthProvider from '../../../../models/saml-auth-provider.ee.js';
+
+export default async (request, response) => {
+  const samlAuthProviders = await SamlAuthProvider.query().orderBy(
+    'created_at',
+    'desc'
+  );
+
+  renderObject(response, samlAuthProviders);
+};

packages/backend/src/controllers/api/v1/saml-auth-providers/get-saml-auth-providers.ee.test.js

@@ -0,0 +1,46 @@
+import { vi, describe, it, expect, beforeEach } from 'vitest';
+import request from 'supertest';
+import app from '../../../../app.js';
+import createAuthTokenByUserId from '../../../../helpers/create-auth-token-by-user-id.js';
+import { createUser } from '../../../../../test/factories/user.js';
+import { createPermission } from '../../../../../test/factories/permission.js';
+import { createSamlAuthProvider } from '../../../../../test/factories/saml-auth-provider.ee.js';
+import getSamlAuthProvidersMock from '../../../../../test/mocks/rest/api/v1/saml-auth-providers/get-saml-auth-providers.ee.js';
+import * as license from '../../../../helpers/license.ee.js';
+
+describe('GET /api/v1/saml-auth-providers', () => {
+  let samlAuthProviderOne, samlAuthProviderTwo, currentUser, token;
+
+  beforeEach(async () => {
+    currentUser = await createUser();
+    const role = await currentUser.$relatedQuery('role');
+
+    await createPermission({
+      roleId: role.id,
+      action: 'read',
+      subject: 'SamlAuthProvider',
+      conditions: [],
+    });
+
+    samlAuthProviderOne = await createSamlAuthProvider();
+    samlAuthProviderTwo = await createSamlAuthProvider();
+
+    token = createAuthTokenByUserId(currentUser.id);
+  });
+
+  it('should return saml auth providers', async () => {
+    vi.spyOn(license, 'hasValidLicense').mockResolvedValue(true);
+
+    const response = await request(app)
+      .get('/api/v1/saml-auth-providers')
+      .set('Authorization', token)
+      .expect(200);
+
+    const expectedPayload = await getSamlAuthProvidersMock([
+      samlAuthProviderTwo,
+      samlAuthProviderOne,
+    ]);
+
+    expect(response.body).toEqual(expectedPayload);
+  });
+});