💄 Optimized image browsing

lib/screens/explore.dart

@@ -47,11 +47,12 @@ class _ExploreScreenState extends State<ExploreScreen> {
     if (res.statusCode == 200) {
       final result =
           PaginationResult.fromJson(jsonDecode(utf8.decode(res.bodyBytes)));
-      final isLastPage = (result.data?.length ?? 0) < pageSize;
+      final isLastPage = (result.count - pageKey) < pageSize;
-      if (isLastPage) {
+      if (isLastPage || result.data == null) {
         paginationController.appendLastPage(feed);
       } else {
-        final feed = result.data!.map((x) => Feed.fromJson(x)).toList();
+        final feed =
+            result.data?.map((x) => Feed.fromJson(x)).toList() ?? List.empty();
         final nextPageKey = pageKey + feed.length;
         paginationController.appendPage(feed, nextPageKey);
       }

lib/screens/publish/moment_editor.dart

@@ -22,7 +22,7 @@ class _MomentEditorScreenState extends State<MomentEditorScreen> {
   bool showRecommendationBanner = true;
 
   Future<void> postMoment() async {
-    if (authClient.client == null) return;
+    if (!await authClient.isAuthorized()) return;
 
     setState(() => isSubmitting = true);
     var res = await authClient.client!.post(

lib/widgets/feed.dart

@@ -51,15 +51,15 @@ class FeedItem extends StatelessWidget {
                 child: FlutterCarousel(
                   options: CarouselOptions(
                     height: 240.0,
+                    viewportFraction: 1.0,
                     showIndicator: true,
                     slideIndicator: const CircularSlideIndicator(),
                   ),
                   items: item.attachments?.map((x) {
                     return Builder(
                       builder: (BuildContext context) {
-                        return Container(
+                        return SizedBox(
                           width: MediaQuery.of(context).size.width,
-                          margin: const EdgeInsets.symmetric(horizontal: 5.0),
                           child: InkWell(
                             child: Image.network(
                               getFileUrl(x.fileId),

lib/widgets/image.dart

@@ -12,6 +12,7 @@ class ImageLightbox extends StatelessWidget {
         child: Center(
           child: SizedBox(
             height: MediaQuery.of(context).size.height,
+            width: MediaQuery.of(context).size.width,
             child: InteractiveViewer(
               boundaryMargin: const EdgeInsets.all(128),
               minScale: 0.1,