feat(nestjs): migrate to NestJS

packages/server/src/modules/MailNotification/utils.ts

@@ -0,0 +1,56 @@
+import { castArray, isEmpty } from 'lodash';
+import { ERRORS } from './constants';
+import { CommonMailOptions } from './MailNotification.types';
+import { ServiceError } from '../Items/ServiceError';
+
+/**
+ * Merges the mail options with incoming options.
+ * @param {Partial<SaleInvoiceMailOptions>} mailOptions
+ * @param {Partial<SendInvoiceMailDTO>} overridedOptions
+ */
+export function parseMailOptions(
+  mailOptions: CommonMailOptions,
+  overridedOptions: Partial<CommonMailOptions>
+): CommonMailOptions {
+  const mergedMessageOptions = {
+    ...mailOptions,
+    ...overridedOptions,
+  };
+  const parsedMessageOptions = {
+    ...mergedMessageOptions,
+    from: mergedMessageOptions?.from
+      ? castArray(mergedMessageOptions?.from)
+      : [],
+    to: mergedMessageOptions?.to ? castArray(mergedMessageOptions?.to) : [],
+    cc: mergedMessageOptions?.cc ? castArray(mergedMessageOptions?.cc) : [],
+    bcc: mergedMessageOptions?.bcc ? castArray(mergedMessageOptions?.bcc) : [],
+  };
+  return parsedMessageOptions;
+}
+
+export function validateRequiredMailOptions(
+  mailOptions: Partial<CommonMailOptions>
+) {
+  if (isEmpty(mailOptions.from)) {
+    throw new ServiceError(ERRORS.MAIL_FROM_NOT_FOUND);
+  }
+  if (isEmpty(mailOptions.to)) {
+    throw new ServiceError(ERRORS.MAIL_TO_NOT_FOUND);
+  }
+  if (isEmpty(mailOptions.subject)) {
+    throw new ServiceError(ERRORS.MAIL_SUBJECT_NOT_FOUND);
+  }
+  if (isEmpty(mailOptions.message)) {
+    throw new ServiceError(ERRORS.MAIL_BODY_NOT_FOUND);
+  }
+}
+
+export const mergeAndValidateMailOptions = (
+  mailOptions: CommonMailOptions,
+  overridedOptions: Partial<CommonMailOptions>
+): CommonMailOptions => {
+  const parsedMessageOptions = parseMailOptions(mailOptions, overridedOptions);
+  validateRequiredMailOptions(parsedMessageOptions);
+
+  return parsedMessageOptions;
+};