feat: Save birthday to tribe

Tribe should also receive birthdates for users. Adds convenience
function to BrpApi to format birthdates to iso 8601.

src/app/linkuser/BrpApi.ts

@@ -47,4 +47,19 @@ export class BrpApi {
     }
     return { number: 0, suffix: brpNumber };
   }
+
+  /**
+   *
+   * @param brpDirthDay the birthday as provided by the API (dd-mm-yyyy format)
+   * @returns iso 8601 'extended' formatted date (YYYY-MM-DD)
+   */
+  iso8601FormattedBirthday(brpDirthDay: string) {
+    // Ignore incomplete dates.
+    if (brpDirthDay.length !== 'yyyy-mm-dd'.length) { return undefined; }
+
+    const year = brpDirthDay.substring('dd-mm-'.length, 'dd-mm-yyyy'.length);
+    const month = brpDirthDay.substring('dd-'.length, 'dd-mm'.length);
+    const day = brpDirthDay.substring(0, 'dd'.length);
+    return `${year}-${month}-${day}`;
+  }
 }

src/app/linkuser/LinkUser.ts

@@ -48,6 +48,7 @@ export class LinkUser {
         FirstName: brpData.firstName,
         LastName: brpData.lastName,
         MiddleName: brpData.middleName,
+        BirthDate: brpData.iso8601Birthday,
       });
       await tribeUser.createAddress({
         Street: brpData.street,
@@ -73,8 +74,10 @@ export class LinkUser {
     const brpApi = new BrpApi(this.apiClient);
     const brpData = await brpApi.getBrpData(bsn.bsn);
     const splitNumber = brpApi.houseNumberHelper(brpData?.Persoon?.Adres?.Huisnummer);
+    const birthday = brpData?.Persoon?.Persoonsgegevens?.Geboortedatum;
     const data = {
-      birthday: brpData?.Persoon?.Persoonsgegevens?.Geboortedatum,
+      birthday: birthday,
+      iso8601Birthday: brpApi.iso8601FormattedBirthday(birthday),
       firstName: brpData?.Persoon?.Persoonsgegevens?.Voornamen,
       lastName: brpData?.Persoon?.Persoonsgegevens?.Geslachtsnaam,
       middleName: brpData?.Persoon?.Persoonsgegevens?.Voorvoegsel,

src/app/linkuser/PersonRelation.ts

@@ -16,4 +16,8 @@ export interface PersonRelation {
   FirstName: string;
   LastName?: string;
   MiddleName?: string;
+  /**
+   * Format: YYYY-MM-DD
+   */
+  BirthDate?: string;
 }

src/app/linkuser/tests/tribeuser.test.ts

@@ -176,6 +176,16 @@ describe('Linking flow', () => {
   });
 });
 
+describe('BRP birthday to YYYY-MM-dd', () => {
+  test('api can return formatted birthdates', async () => {
+    const client = new ApiClient();
+    const api = new BrpApi(client);
+    expect(api.iso8601FormattedBirthday('01-12-1854')).toBe('1854-12-01');
+    expect(api.iso8601FormattedBirthday('10-11-2022')).toBe('2022-11-10');
+    expect(api.iso8601FormattedBirthday('11-2022')).toBeUndefined();
+  });
+});
+
 describe('BRP housenumber', () => {
   test('house number', () => {
     const client = new ApiClient();