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cloudsolutions-atoms/lib/modules/export_module/provider/export_provider.dart

159 lines
4.7 KiB
Dart

import 'dart:convert';
import 'dart:developer';
import 'dart:io';
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:http/http.dart';
import 'package:open_file/open_file.dart';
import 'package:path_provider/path_provider.dart';
import 'package:test_sa/controllers/api_routes/api_manager.dart';
import 'package:test_sa/controllers/api_routes/urls.dart';
import 'package:test_sa/modules/export_module/models/export_form_model.dart';
import 'package:test_sa/modules/export_module/models/export_module_type.dart';
class ExportApiProvider extends ChangeNotifier {
bool _isExporting = false;
bool get isExporting => _isExporting;
int? _stateCode;
int? get stateCode => _stateCode;
String? _errorMessage;
String? get errorMessage => _errorMessage;
Future<bool> exportData<T>(ExportRequest<T> exportRequest, ExportModuleType moduleType) async {
_isExporting = true;
_errorMessage = null;
notifyListeners();
try {
final String apiUrl = _getApiUrlForModule(moduleType);
final Map<String, dynamic> body = _buildRequestBody(exportRequest, moduleType);
Response response = await ApiManager.instance.post(apiUrl, body: body);
_stateCode = response.statusCode;
if (response.statusCode >= 200 && response.statusCode < 300) {
String ext = _getFileExtension(exportRequest.format);
String encodedStr = base64.encode(response.bodyBytes);
String filePath = await _createFileFromString(encodedStr, ext);
await OpenFile.open(filePath);
return true;
} else {
try {
final responseData = json.decode(response.body);
_errorMessage = responseData['message'] ?? 'Export failed';
} catch (e) {
_errorMessage = 'Export failed with status: ${response.statusCode}';
}
return false;
}
} catch (error, stackTrace) {
log('Error exporting data: $error');
_stateCode = -1;
_errorMessage = 'An error occurred during export: $error';
return false;
} finally {
_isExporting = false;
notifyListeners();
}
}
String _getApiUrlForModule(ExportModuleType moduleType) {
switch (moduleType) {
case ExportModuleType.asset:
return URLs.exportAsset;
case ExportModuleType.callRequest:
return URLs.exportAllWorkOrder;
default:
return URLs.exportAsset;
}
}
String _getFileExtension(String format) {
final formatLower = format.toLowerCase();
switch (formatLower) {
case 'excel':
return 'xlsx';
case 'pdf':
return 'pdf';
case 'word':
case 'doc':
return 'docx';
case 'text':
case 'txt':
return 'txt';
case 'csv':
return 'csv';
default:
return formatLower;
}
}
Map<String, dynamic> _buildRequestBody<T>(ExportRequest<T> exportRequest, ExportModuleType moduleType) {
final Map<String, dynamic> body = {};
if (exportRequest.searchModel != null) {
try {
final searchModelJson = (exportRequest.searchModel as dynamic).toJson() as Map<String, dynamic>;
body.addAll(searchModelJson);
} catch (e) {
body['searchModel'] = exportRequest.searchModel;
}
}
// Add CallRequest-specific fields only for callRequest type
if (moduleType == ExportModuleType.callRequest) {
_addCallRequestFields(body);
}
body['pageNo'] = exportRequest.pageNo;
body['pageSize'] = exportRequest.pageSize;
body['exportRequest'] = {
'selectedColumns': exportRequest.selectedColumns,
'format': exportRequest.format,
};
return body;
}
void _addCallRequestFields(Map<String, dynamic> body) {
//This is if no filter is selected we will send all the options to the backend to filter accordingly as per we are sending on allworkorder api
if (!body.containsKey('typeTransaction') || (body['typeTransaction'] as List?)?.isEmpty == true) {
body['typeTransaction'] = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16];
}
if (!body.containsKey('statusTransaction') || (body['statusTransaction'] as List?)?.isEmpty == true) {
body['statusTransaction'] = [1, 2, 4];
}
if (!body.containsKey('priority')) {
body['priority'] = [];
}
if (!body.containsKey('displayData')) {
body['displayData'] = [];
}
}
Future<String> _createFileFromString(String encodedStr, String ext) async {
Uint8List bytes = base64.decode(encodedStr);
String dir = (await getApplicationDocumentsDirectory()).path;
File file = File("$dir/${DateTime.now().millisecondsSinceEpoch}.$ext");
await file.writeAsBytes(bytes);
return file.path;
}
void resetError() {
_errorMessage = null;
notifyListeners();
}
}