feat(cat-voices): Current campaign - Discovery Page

catalyst_voices/apps/voices/lib/common/ext/build_context_ext.dart

@@ -0,0 +1,9 @@
+import 'package:catalyst_voices_brands/catalyst_voices_brands.dart';
+import 'package:flutter/material.dart';
+
+extension BuildContextThemeExt on BuildContext {
+  ThemeData get theme => Theme.of(this);
+  TextTheme get textTheme => theme.textTheme;
+  ColorScheme get colorScheme => theme.colorScheme;
+  VoicesColorScheme get colors => theme.colors;
+}

catalyst_voices/apps/voices/lib/common/ext/ext.dart

@@ -1,3 +1,4 @@
 export 'brand_ext.dart';
+export 'build_context_ext.dart';
 export 'space_ext.dart';
 export 'string_ext.dart';

catalyst_voices/apps/voices/lib/common/formatters/amount_formatter.dart

@@ -0,0 +1,7 @@
+import 'package:intl/intl.dart';
+
+abstract class AmountFormatter {
+  static String decimalFormat(num value) {
+    return NumberFormat.decimalPattern().format(value);
+  }
+}

catalyst_voices/apps/voices/lib/common/formatters/date_formatter.dart

@@ -1,5 +1,6 @@
 import 'package:catalyst_voices_localization/catalyst_voices_localization.dart';
 import 'package:catalyst_voices_shared/catalyst_voices_shared.dart';
+import 'package:flutter/material.dart';
 import 'package:intl/intl.dart';
 
 /// A [DateTime] formatter.
@@ -95,4 +96,27 @@ abstract class DateFormatter {
 
     return '${nf.format(hours)}:${nf.format(minutes)}';
   }
+
+  static String formatDateRange(
+    MaterialLocalizations localizations,
+    VoicesLocalizations l10n,
+    DateRange range,
+  ) {
+    final from = range.from;
+    final to = range.to;
+    if (from != null && to != null) {
+      if (range.areDatesInSameWeek(localizations.firstDayOfWeekIndex)) {
+        return '${l10n.weekOf} ${DateFormat.MMMd().format(from)}';
+      }
+
+      // ignore: lines_longer_than_80_chars
+      return '${DateFormat.MMMd().format(from)} - ${DateFormat.MMMd().format(to)}';
+    } else if (to == null && from != null) {
+      return '${l10n.from} ${DateFormat.MMMd().format(from)}';
+    } else if (to != null && from == null) {
+      return '${l10n.to} ${DateFormat.MMMd().format(to)}';
+    }
+
+    return '';
+  }
 }