feat: people page/sheet/detail (#20309)

mobile/lib/utils/people.utils.dart

@@ -0,0 +1,54 @@
+import 'package:flutter/material.dart';
+import 'package:immich_mobile/domain/models/person.model.dart';
+import 'package:immich_mobile/extensions/translate_extensions.dart';
+import 'package:immich_mobile/presentation/widgets/people/person_edit_birthday_modal.widget.dart';
+import 'package:immich_mobile/presentation/widgets/people/person_edit_name_modal.widget.dart';
+
+String formatAge(DateTime birthDate, DateTime referenceDate) {
+  int ageInYears = _calculateAge(birthDate, referenceDate);
+  int ageInMonths = _calculateAgeInMonths(birthDate, referenceDate);
+
+  if (ageInMonths <= 11) {
+    return "exif_bottom_sheet_person_age_months".t(args: {'months': ageInMonths.toString()});
+  } else if (ageInMonths > 12 && ageInMonths <= 23) {
+    return "exif_bottom_sheet_person_age_year_months".t(args: {'months': (ageInMonths - 12).toString()});
+  } else {
+    return "exif_bottom_sheet_person_age_years".t(args: {'years': ageInYears.toString()});
+  }
+}
+
+int _calculateAge(DateTime birthDate, DateTime referenceDate) {
+  int age = referenceDate.year - birthDate.year;
+  if (referenceDate.month < birthDate.month ||
+      (referenceDate.month == birthDate.month && referenceDate.day < birthDate.day)) {
+    age--;
+  }
+  return age;
+}
+
+int _calculateAgeInMonths(DateTime birthDate, DateTime referenceDate) {
+  return (referenceDate.year - birthDate.year) * 12 +
+      referenceDate.month -
+      birthDate.month -
+      (referenceDate.day < birthDate.day ? 1 : 0);
+}
+
+Future<String?> showNameEditModal(BuildContext context, DriftPerson person) {
+  return showDialog<String?>(
+    context: context,
+    useRootNavigator: false,
+    builder: (BuildContext context) {
+      return DriftPersonNameEditForm(person: person);
+    },
+  );
+}
+
+Future<DateTime?> showBirthdayEditModal(BuildContext context, DriftPerson person) {
+  return showDialog<DateTime?>(
+    context: context,
+    useRootNavigator: false,
+    builder: (BuildContext context) {
+      return DriftPersonBirthdayEditForm(person: person);
+    },
+  );
+}