progress on batches

lib/screens/recipient/recipients_controller.dart

@@ -20,14 +20,14 @@ class RecipientModel {
 @freezed
 abstract class Recipient with _$Recipient {
   const factory Recipient({
-    String? uid,
-    String? name,
-    String? email,
-    String? phoneNumber,
-    String? address,
-    String? account,
-    String? initials,
-    String? latestProviderLabel,
+    @JsonKey(includeIfNull: false) String? uid,
+    @JsonKey(includeIfNull: false) String? name,
+    @JsonKey(includeIfNull: false) String? email,
+    @JsonKey(includeIfNull: false) String? phoneNumber,
+    @JsonKey(includeIfNull: false) String? address,
+    @JsonKey(includeIfNull: false) String? account,
+    @JsonKey(includeIfNull: false) String? initials,
+    @JsonKey(includeIfNull: false) String? latestProviderLabel,
   }) = _Recipient;
 
   factory Recipient.fromJson(Map<String, dynamic> json) =>
@@ -40,14 +40,15 @@ class RecipientsController extends ChangeNotifier {
   BuildContext context;
 
   RecipientsController(this.context) {
-    model.selectedProvider =
-        Provider.of<TransactionController>(
-          context,
-          listen: false,
-        ).model.selectedProvider;
+    model.selectedProvider = Provider.of<TransactionController>(
+      context,
+      listen: false,
+    ).model.selectedProvider;
   }
 
-  Future<ApiResponse<List<Recipient>>> getRecipients([Map<String, String>? params]) async {
+  Future<ApiResponse<List<Recipient>>> getRecipients([
+    Map<String, String>? params,
+  ]) async {
     model.errorMessage = null;
     model.isLoading = true;
     model.recipients = getDummyRecipients();