feat: Add createSamlAuthProvider graphQL mutation

packages/backend/src/graphql/mutations/create-saml-auth-provider.ee.ts

@@ -0,0 +1,54 @@
+import type { SamlConfig } from '@node-saml/passport-saml';
+import SamlAuthProvider from '../../models/saml-auth-provider.ee';
+import Context from '../../types/express/context';
+
+type Params = {
+  input: {
+    name: string;
+    certificate: string;
+    signatureAlgorithm: SamlConfig['signatureAlgorithm'];
+    issuer: string;
+    entryPoint: string;
+    firstnameAttributeName: string;
+    surnameAttributeName: string;
+    emailAttributeName: string;
+    roleAttributeName: string;
+    defaultRoleId: string;
+    active: boolean;
+  };
+};
+
+const createSamlAuthProvider = async (
+  _parent: unknown,
+  params: Params,
+  context: Context
+) => {
+  context.currentUser.can('create', 'SamlAuthProvider');
+
+  const samlAuthProviderPayload: Partial<SamlAuthProvider> = {
+    ...params.input,
+  };
+
+  const existingSamlAuthProvider = await SamlAuthProvider.query()
+    .limit(1)
+    .first();
+
+  let samlAuthProvider: SamlAuthProvider;
+
+  if (!existingSamlAuthProvider) {
+    samlAuthProvider = await SamlAuthProvider.query().insert(
+      samlAuthProviderPayload
+    );
+
+    return samlAuthProvider;
+  }
+
+  samlAuthProvider = await SamlAuthProvider.query().patchAndFetchById(
+    existingSamlAuthProvider.id,
+    samlAuthProviderPayload
+  );
+
+  return samlAuthProvider;
+};
+
+export default createSamlAuthProvider;