feature(core):save

lib/screens/collections/collection_detail_screen.dart

@@ -158,7 +158,9 @@ class CollectionDetailScreen extends StatelessWidget {
           fallback:
               (context) => Center(
                 child: AppTypography(
-                  collection.title.substring(0, 1),
+                  collection.title.isNotEmpty
+                      ? collection.title.substring(0, 1)
+                      : '',
                   type: Bold34px(),
                 ),
               ),

lib/screens/collections/collections_screen.dart

@@ -69,7 +69,7 @@ class _CollectionScreenState extends State<CollectionScreen> {
         child: FloatingActionButton(
           backgroundColor: AppColors.primary,
           // onPressed: () {
-          //   getIt<CollectionsInterface>().createCollectionApi();
+          //   getIt<CollectionsInterface>().getCollectionsFromApi();
           // },
           onPressed: () => context.pushRoute(CrudCollectionRoute()),
           child: const Icon(Icons.add),

lib/screens/collections/widgets/collection_card.dart

@@ -185,7 +185,7 @@ class CollectionCard extends StatelessWidget {
         decoration: BoxDecoration(shape: BoxShape.circle, color: AppColors.bg),
 
         child: Wif(
-          condition: collection.image != null,
+          condition: collection.image != null && collection.image != '',
           builder:
               (context) => ClipOval(
                 child: Image.file(File(collection.image!), fit: BoxFit.cover),
@@ -193,7 +193,9 @@ class CollectionCard extends StatelessWidget {
           fallback:
               (context) => Center(
                 child: AppTypography(
-                  collection.title.substring(0, 1),
+                  collection.title.isNotEmpty
+                      ? collection.title.substring(0, 1)
+                      : '',
                   type: Bold34px(),
                 ),
               ),