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lib/Screens/product variation/repo/product_variation_repo.dart

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+// File: variation_repo.dart
+
+import 'dart:convert';
+import 'package:flutter/material.dart';
+import 'package:flutter_easyloading/flutter_easyloading.dart';
+import 'package:http/http.dart' as http;
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+// --- Local Imports ---
+import '../../../../Const/api_config.dart';
+import '../../../../http_client/custome_http_client.dart';
+import '../../../http_client/customer_http_client_get.dart';
+import '../model/product_variation_model.dart';
+import '../provider/product_variation_provider.dart';
+
+class VariationRepo {
+  static const String _endpoint = '/variations';
+
+  ///---------------- FETCH ALL VARIATIONS (GET) ----------------///
+  Future<VariationListModel> fetchAllVariations() async {
+    CustomHttpClientGet clientGet = CustomHttpClientGet(client: http.Client());
+    final uri = Uri.parse('${APIConfig.url}$_endpoint');
+
+    final response = await clientGet.get(url: uri);
+
+    if (response.statusCode == 200) {
+      final parsedData = jsonDecode(response.body);
+      return VariationListModel.fromJson(parsedData);
+    } else {
+      throw Exception('Failed to fetch variation list. Status: ${response.statusCode}');
+    }
+  }
+
+  ///---------------- CREATE VARIATION (POST) ----------------///
+  Future<void> createVariation({
+    required WidgetRef ref,
+    required BuildContext context,
+    required String name,
+    required String values, // Comma separated string of values
+    required String status, // "1" or "0"
+  }) async {
+    final uri = Uri.parse('${APIConfig.url}$_endpoint');
+
+    final requestBody = jsonEncode({
+      'name': name,
+      'values': values,
+      'status': status,
+    });
+
+    CustomHttpClient customHttpClient = CustomHttpClient(client: http.Client(), context: context, ref: ref);
+
+    try {
+      EasyLoading.show(status: 'Creating Variation...');
+      var responseData = await customHttpClient.post(
+        url: uri,
+        addContentTypeInHeader: true,
+        body: requestBody,
+      );
+
+      final parsedData = jsonDecode(responseData.body);
+      EasyLoading.dismiss();
+
+      if (responseData.statusCode == 200 || responseData.statusCode == 201) {
+        ref.invalidate(variationListProvider);
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text(parsedData['message'] ?? 'Variation created successfully')),
+        );
+        Navigator.pop(context);
+      } else {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text('Creation failed: ${parsedData['message'] ?? 'Unknown error'}')),
+        );
+      }
+    } catch (error) {
+      EasyLoading.dismiss();
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('An error occurred: $error')),
+      );
+    }
+  }
+
+  ///---------------- UPDATE VARIATION (PUT) ----------------///
+  Future<void> updateVariation({
+    required WidgetRef ref,
+    required BuildContext context,
+    required num id,
+    required String name,
+    required String values,
+    required String status,
+  }) async {
+    final uri = Uri.parse('${APIConfig.url}$_endpoint/$id');
+
+    final requestBody = jsonEncode({
+      '_method': 'put', // Use POST method with _method=put
+      'name': name,
+      'values': values,
+      'status': status,
+    });
+
+    CustomHttpClient customHttpClient = CustomHttpClient(client: http.Client(), context: context, ref: ref);
+
+    try {
+      EasyLoading.show(status: 'Updating Variation...');
+      var responseData = await customHttpClient.post(
+        url: uri,
+        addContentTypeInHeader: true,
+        body: requestBody,
+      );
+
+      final parsedData = jsonDecode(responseData.body);
+      EasyLoading.dismiss();
+
+      if (responseData.statusCode == 200) {
+        ref.invalidate(variationListProvider);
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text(parsedData['message'] ?? 'Variation updated successfully')),
+        );
+        Navigator.pop(context);
+      } else {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text('Update failed: ${parsedData['message'] ?? 'Unknown error'}')),
+        );
+      }
+    } catch (error) {
+      EasyLoading.dismiss();
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('An error occurred: $error')),
+      );
+    }
+  }
+
+  ///---------------- DELETE VARIATION ----------------///
+  Future<bool> deleteVariation({
+    required num id,
+    required BuildContext context,
+    required WidgetRef ref,
+  }) async {
+    try {
+      EasyLoading.show(status: 'Deleting...');
+      final url = Uri.parse('${APIConfig.url}$_endpoint/$id');
+      CustomHttpClient customHttpClient = CustomHttpClient(ref: ref, context: context, client: http.Client());
+      final response = await customHttpClient.delete(url: url);
+
+      EasyLoading.dismiss();
+      if (response.statusCode == 200) {
+        ref.invalidate(variationListProvider);
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(content: Text('Variation deleted successfully')),
+        );
+        return true;
+      } else {
+        final parsedData = jsonDecode(response.body);
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text('Deletion failed: ${parsedData['message'] ?? 'Unknown error'}')),
+        );
+        return false;
+      }
+    } catch (error) {
+      EasyLoading.dismiss();
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('An error occurred during deletion: $error')),
+      );
+      return false;
+    }
+  }
+}