feat : auth live stock

packages/livestock/lib/presentation/widgets/captcha/logic.dart

@@ -0,0 +1,47 @@
+import 'package:flutter/material.dart';
+import 'package:rasadyar_core/core.dart';
+import 'package:rasadyar_livestock/data/model/response/captcha/captcha_response_model.dart';
+import 'package:rasadyar_livestock/data/repository/auth/auth_repository_imp.dart';
+import 'package:rasadyar_livestock/injection/live_stock_di.dart';
+
+class CaptchaWidgetLogic extends GetxController with StateMixin<CaptchaResponseModel> {
+  TextEditingController textController = TextEditingController();
+  RxnString captchaKey = RxnString();
+  GlobalKey<FormState> formKey = GlobalKey<FormState>();
+  AuthRepositoryImp authRepository = diLiveStock.get<AuthRepositoryImp>();
+
+  @override
+  void onInit() {
+    super.onInit();
+
+    getCaptcha();
+  }
+
+  @override
+  void onClose() {
+    textController.clear();
+    textController.dispose();
+    super.onClose();
+  }
+
+  Future<void> getCaptcha() async {
+    change(null, status: RxStatus.loading());
+    textController.clear();
+    formKey.currentState?.reset();
+    await Future.delayed(Duration(milliseconds: 200));
+    await safeCall(
+      call: () async => authRepository.captcha(),
+      onSuccess: (result) {
+        if (result == null) {
+          change(null, status: RxStatus.error('Failed to load captcha'));
+          return;
+        }
+        captchaKey.value = result.captchaKey;
+        change(result, status: RxStatus.success());
+      },
+      onError: (error, stackTrace) {},
+    );
+
+    change(value, status: RxStatus.success());
+  }
+}