dry-ing up activity view things

lib/widgets/activity_view_categories.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/material.dart';
+
+class ActivityViewCategories extends StatelessWidget {
+  const ActivityViewCategories({super.key, this.categories});
+
+  final List<String>? categories;
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        Padding(
+            padding: const EdgeInsets.only(bottom: 10),
+            child: SizedBox(
+                height: 40,
+                child: ListView.builder(
+                  shrinkWrap: true,
+                  scrollDirection: Axis.horizontal,
+                  padding: const EdgeInsets.fromLTRB(10, 0, 10, 0),
+                  itemCount: categories?.length,
+                  itemBuilder: (BuildContext context, int index) {
+                    return Padding(
+                        padding: const EdgeInsets.only(right: 5),
+                        child: ActionChip(
+                          visualDensity: VisualDensity.compact,
+                          avatar: const Icon(Icons.check_circle_outline),
+                          label: Text(maxLines: 1, '${categories?[index]}'),
+                          onPressed: () {},
+                        ));
+                  },
+                ))),
+      ],
+    );
+  }
+}

lib/widgets/activity_view_media.dart

@@ -0,0 +1,51 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:sendtrain/daos/media_items_dao.dart';
+import 'package:sendtrain/database/database.dart';
+import 'package:sendtrain/widgets/media_card.dart';
+
+class ActivityViewMedia extends StatelessWidget {
+  const ActivityViewMedia({super.key, required this.activity});
+
+  final Activity activity;
+
+  @override
+  Widget build(BuildContext context) {
+    return FutureBuilder<List<MediaItem>>(
+      future: MediaItemsDao(Provider.of<AppDatabase>(context)).fromActivity(activity),
+      builder: (context, snapshot) {
+        if (snapshot.hasData) {
+          List<MediaItem> mediaItems = snapshot.data!;
+          List<MediaCard> mediaCards = [];
+
+          for (int i = 0; i < mediaItems.length; i++) {
+            mediaCards.add(MediaCard(media: mediaItems[i]));
+          }
+
+          return Column(
+            children: [
+              SizedBox(
+                  width: double.infinity,
+                  height: 100,
+                  child: GridView.count(
+                      padding: const EdgeInsets.fromLTRB(15, 0, 0, 0),
+                      scrollDirection: Axis.horizontal,
+                      crossAxisSpacing: 5,
+                      mainAxisSpacing: 5,
+                      crossAxisCount: 1,
+                      children: mediaCards))
+            ],
+          );
+        } else {
+          return Container(
+                alignment: Alignment.center,
+                child: SizedBox(
+                  height: 50.0,
+                  width: 50.0,
+                  child: CircularProgressIndicator(),
+                ));
+        }
+      }
+    );
+  }
+}