tm-android-app/lib/provider/product_provider.dart

261 lines
7.5 KiB
Dart

import 'package:cheminova/constants/constant.dart';
import 'package:cheminova/models/product_model.dart';
import 'package:cheminova/services/api_client.dart';
import 'package:cheminova/services/api_urls.dart';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
class ProductProvider extends ChangeNotifier {
ProductProvider() {
getProducts(1);
}
final _apiClient = ApiClient();
ProductResponse? productResponse;
List<Product> productList = [];
final List<Product> _selectedProducts = [];
bool _isLoading = false;
bool get isLoading => _isLoading;
List<Product> get selectedProducts => _selectedProducts;
void setLoading(bool loading) {
_isLoading = loading;
notifyListeners();
}
// Future<List<Product>?> getProducts(int page) async {
// setLoading(true);
// try {
// Response response = await _apiClient.get("${ApiUrls.getProducts}?page=$page");
// setLoading(false);
// if (response.statusCode == 200) {
// productResponse = ProductResponse.fromJson(response.data);
// productList = productResponse!.products;
// //notifyListeners();
// }
// } catch (e) {
// setLoading(false);
// String error = "Something went wrong";
// if (e is DioException) {
// error = e.response!.data['message'] ?? "Something went wrong";
// }
// ScaffoldMessenger.of(
// navigatorKey.currentContext!,
// ).showSnackBar(
// SnackBar(
// content: Text(
// error,
// ),
// ),
// );
// }
// }
Future<void> getProducts(int page) async {
// if (_isLoading) return; // Prevent duplicate requests
// setLoading(true);
try {
Response response = await _apiClient.get("${ApiUrls.getProducts}?page=$page");
if (response.statusCode == 200) {
final newProductResponse = ProductResponse.fromJson(response.data);
if (newProductResponse.products.isNotEmpty) {
// if (page == 6) {
// // Clear the list if it's the first page
// productList = newProductResponse.products;
// } else {
// Append new products for subsequent pages
productList.addAll(newProductResponse.products);
}
// _isLoading = false;
// notifyListeners();
// }
}
} catch (e) {
String error = "Something went wrong";
if (e is DioException) {
error = e.response?.data['message'] ?? "Something went wrong";
}
ScaffoldMessenger.of(navigatorKey.currentContext!).showSnackBar(
SnackBar(
content: Text(error),
),
);
} finally {
setLoading(false);
}
}
Future<bool> submitSelectedProducts(
String addedFor, String addedForId) async {
setLoading(true);
try {
final data = {
"products": selectedProducts.map((product) {
return {
"SKU": product.SKU,
"ProductName": product.name,
"Sale": product.sale,
"Inventory": product.inventory,
"productid": product.id,
};
}).toList(),
"addedFor": addedFor,
"addedForId": addedForId,
};
Response response =
await _apiClient.post(ApiUrls.submitProducts, data: data);
setLoading(false);
if (response.statusCode == 201) {
return true;
} else {
return false;
}
} catch (e) {
setLoading(false);
String error = "Something went wrong";
if (e is DioException) {
error = e.response!.data['message'] ?? "Something went wrong";
}
ScaffoldMessenger.of(
navigatorKey.currentContext!,
).showSnackBar(
SnackBar(
content: Text(
error,
),
),
);
return false;
}
}
}
// import 'package:cheminova/constants/constant.dart';
// import 'package:cheminova/models/product_model.dart';
// import 'package:cheminova/services/api_client.dart';
// import 'package:cheminova/services/api_urls.dart';
// import 'package:dio/dio.dart';
// import 'package:flutter/material.dart';
//
// class ProductProvider extends ChangeNotifier {
// ProductProvider() {
// // Initialize with the first page of products
// getProducts(1);
// }
//
// final _apiClient = ApiClient();
// ProductResponse? productResponse; // To parse and store API response
// List<Product> productList = []; // Main list of products
// final List<Product> _selectedProducts = []; // For user-selected products
//
// bool _isLoading = false;
// bool _hasMoreData = true; // Track if more data is available
//
// bool get isLoading => _isLoading;
// bool get hasMoreData => _hasMoreData;
//
// List<Product> get selectedProducts => _selectedProducts;
//
// void setLoading(bool loading) {
// _isLoading = loading;
// notifyListeners();
// }
//
// Future<void> getProducts(int page) async {
// if (_isLoading || !_hasMoreData) return; // Prevent duplicate requests
// setLoading(true);
//
// try {
// final String url = "${ApiUrls.getProducts}?page=$page";
// Response response = await _apiClient.get(url);
//
// if (response.statusCode == 200) {
// productResponse = ProductResponse.fromJson(response.data);
//
// if (productResponse!.products.isNotEmpty) {
//
// selectedProducts.addAll(productResponse!.products);
// // if (page <= productResponse!.totalPages) {
// // // Replace the list if fetching the first page
// // productList = productResponse!.products;
// // } else {
// // // Append new products for subsequent pages
// // productList.addAll(productResponse!.products);
// // }
// notifyListeners();
// } else {
// // No more products to load
// _hasMoreData = false;
// }
// }
// } catch (e) {
// String error = "Something went wrong";
// if (e is DioException) {
// error = e.response?.data['message'] ?? "Something went wrong";
// }
// ScaffoldMessenger.of(
// navigatorKey.currentContext!,
// ).showSnackBar(
// SnackBar(
// content: Text(error),
// ),
// );
// } finally {
// setLoading(false);
// }
// }
//
// Future<bool> submitSelectedProducts(String addedFor, String addedForId) async {
// setLoading(true);
//
// try {
// final data = {
// "products": selectedProducts.map((product) {
// return {
// "SKU": product.SKU,
// "ProductName": product.name,
// "Sale": product.sale,
// "Inventory": product.inventory,
// "productid": product.id,
// };
// }).toList(),
// "addedFor": addedFor,
// "addedForId": addedForId,
// };
//
// Response response =
// await _apiClient.post(ApiUrls.submitProducts, data: data);
//
// if (response.statusCode == 201) {
// return true;
// } else {
// return false;
// }
// } catch (e) {
// String error = "Something went wrong";
// if (e is DioException) {
// error = e.response?.data['message'] ?? "Something went wrong";
// }
// ScaffoldMessenger.of(
// navigatorKey.currentContext!,
// ).showSnackBar(
// SnackBar(
// content: Text(error),
// ),
// );
// return false;
// } finally {
// setLoading(false);
// }
// }
// }