[DateDivider] Fix text case and add 1px vertical padding

Signed-off-by: Sahil Kumar <[email protected]>

lib/src/date_divider.dart

@@ -5,10 +5,12 @@ import 'package:stream_chat_flutter/src/stream_chat_theme.dart';
 /// It shows a date divider depending on the date difference
 class DateDivider extends StatelessWidget {
   final DateTime dateTime;
+  final bool uppercase;
 
   const DateDivider({
     Key key,
     @required this.dateTime,
+    this.uppercase = false,
   }) : super(key: key);
 
   @override
@@ -18,38 +20,37 @@ class DateDivider extends StatelessWidget {
 
     String dayInfo;
     if (Jiffy(createdAt).isSame(now, Units.DAY)) {
-      dayInfo = 'TODAY';
+      dayInfo = 'Today';
     } else if (Jiffy(createdAt)
         .isSame(now.subtract(Duration(days: 1)), Units.DAY)) {
-      dayInfo = 'YESTERDAY';
+      dayInfo = 'Yesterday';
     } else if (Jiffy(createdAt).isAfter(
       now.subtract(Duration(days: 7)),
       Units.DAY,
     )) {
-      dayInfo = createdAt.format('EEEE').toUpperCase();
+      dayInfo = createdAt.format('EEEE');
     } else if (Jiffy(createdAt).isAfter(
       Jiffy(now).subtract(years: 1),
       Units.DAY,
     )) {
-      dayInfo = createdAt.format('MMMM d').toUpperCase();
+      dayInfo = createdAt.format('MMMM d');
     } else {
-      dayInfo = createdAt.format('MMMM d').toUpperCase();
+      dayInfo = createdAt.format('MMMM d');
     }
 
+    if (uppercase) dayInfo = dayInfo.toUpperCase();
+
     return Center(
       child: Container(
-        padding: const EdgeInsets.symmetric(horizontal: 8),
+        padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 1),
         decoration: BoxDecoration(
-          color: StreamChatTheme.of(context).colorTheme.black.withOpacity(0.5),
-          borderRadius: BorderRadius.circular(
-            8,
-          ),
+          color: StreamChatTheme.of(context).colorTheme.overlayDark,
+          borderRadius: BorderRadius.circular(8),
         ),
         child: Text(
           dayInfo,
-          style: StreamChatTheme.of(context).textTheme.footnoteBold.copyWith(
+          style: StreamChatTheme.of(context).textTheme.footnote.copyWith(
                 color: StreamChatTheme.of(context).colorTheme.white,
-                fontWeight: FontWeight.bold,
               ),
         ),
       ),