inventory_mobile/lib/services/supplier_service.dart
2025-12-15 15:35:35 +08:00

127 lines
3.9 KiB
Dart

import 'dart:convert';
import 'dart:io';
import 'package:flutter/foundation.dart';
import 'package:http/http.dart' as http;
import 'package:inventory_system/services/api_service.dart';
import 'package:inventory_system/services/session_manager.dart';
class SupplierService {
Future<List<dynamic>> fetchSuppliers() async {
final uri = Uri.parse('${ApiService.baseUrl}/InvMainAPI/SupplierList');
final cookie = SessionManager.instance.getCookie();
debugPrint("Fetching suppliers from: $uri");
final Map<String, String> headers = {
'Content-Type': 'application/json; charset=UTF-8',
if (cookie != null) 'Cookie': cookie,
};
try {
final response = await http.post(uri, headers: headers);
debugPrint('SupplierList API Response Status: ${response.statusCode}');
debugPrint('SupplierList API Response Body: ${response.body}');
if (response.statusCode == 200) {
if (response.body.isNotEmpty) {
return jsonDecode(response.body);
} else {
return [];
}
} else {
throw Exception(
'Failed to load suppliers. Status code: ${response.statusCode}');
}
} on SocketException {
throw Exception('No Internet connection. Please check your network.');
} catch (e) {
debugPrint('Error fetching suppliers: $e');
rethrow;
}
}
Future<void> addSupplier(Map<String, dynamic> supplierData) async {
final uri = Uri.parse('${ApiService.baseUrl}/InvMainAPI/AddSupplier');
final cookie = SessionManager.instance.getCookie();
debugPrint("Adding supplier to: $uri");
final Map<String, String> headers = {
'Content-Type': 'application/json; charset=UTF-8',
if (cookie != null) 'Cookie': cookie,
};
try {
final response = await http.post(
uri,
headers: headers,
body: jsonEncode(supplierData),
);
if (response.statusCode != 200) {
throw Exception(
'Failed to add supplier. Status code: ${response.statusCode}');
}
} on SocketException {
throw Exception('No Internet connection. Please check your network.');
} catch (e) {
debugPrint('Error adding supplier: $e');
rethrow;
}
}
Future<void> updateSupplier(Map<String, dynamic> supplierData) async {
final uri = Uri.parse('${ApiService.baseUrl}/InvMainAPI/EditSupplier');
final cookie = SessionManager.instance.getCookie();
debugPrint("Updating supplier at: $uri");
final Map<String, String> headers = {
'Content-Type': 'application/json; charset=UTF-8',
if (cookie != null) 'Cookie': cookie,
};
try {
final response = await http.post(
uri,
headers: headers,
body: jsonEncode(supplierData),
);
if (response.statusCode != 200) {
throw Exception(
'Failed to update supplier. Status code: ${response.statusCode}');
}
} on SocketException {
throw Exception('No Internet connection. Please check your network.');
} catch (e) {
debugPrint('Error updating supplier: $e');
rethrow;
}
}
Future<void> deleteSupplier(int id) async {
final uri = Uri.parse('${ApiService.baseUrl}/InvMainAPI/DeleteSupplier/$id');
final cookie = SessionManager.instance.getCookie();
debugPrint("Deleting supplier at: $uri");
final Map<String, String> headers = {
'Content-Type': 'application/json; charset=UTF-8',
if (cookie != null) 'Cookie': cookie,
};
try {
final response = await http.delete(uri, headers: headers);
if (response.statusCode != 200) {
throw Exception(
'Failed to delete supplier. Status code: ${response.statusCode}');
}
} on SocketException {
throw Exception('No Internet connection. Please check your network.');
} catch (e) {
debugPrint('Error deleting supplier: $e');
rethrow;
}
}
}