environment_monitoring_app/lib/services/api_service.dart

1103 lines
49 KiB
Dart

// lib/services/api_service.dart
import 'dart:io';
import 'dart:convert';
import 'package:flutter/foundation.dart';
import 'package:http/http.dart' as http;
import 'package:path/path.dart' as p;
import 'package:sqflite/sqflite.dart';
import 'package:path_provider/path_provider.dart';
import 'package:intl/intl.dart';
import 'package:environment_monitoring_app/services/base_api_service.dart';
import 'package:environment_monitoring_app/services/telegram_service.dart';
import 'package:environment_monitoring_app/models/in_situ_sampling_data.dart';
import 'package:environment_monitoring_app/models/tarball_data.dart';
import 'package:environment_monitoring_app/models/air_collection_data.dart';
import 'package:environment_monitoring_app/models/air_installation_data.dart';
import 'package:environment_monitoring_app/models/river_in_situ_sampling_data.dart';
// START CHANGE: Added import for ServerConfigService to get the base URL
import 'package:environment_monitoring_app/services/server_config_service.dart';
// END CHANGE
// =======================================================================
// Part 1: Unified API Service
// =======================================================================
/// A unified service that consolidates all API interactions for the application.
// ... (ApiService class definition remains the same)
class ApiService {
final BaseApiService _baseService = BaseApiService();
final DatabaseHelper dbHelper = DatabaseHelper();
// START CHANGE: Added ServerConfigService to provide the base URL for API calls
final ServerConfigService _serverConfigService = ServerConfigService();
// END CHANGE
late final MarineApiService marine;
late final RiverApiService river;
late final AirApiService air;
static const String imageBaseUrl = 'https://dev14.pstw.com.my/';
ApiService({required TelegramService telegramService}) {
// START CHANGE: Pass the ServerConfigService to the sub-services
marine = MarineApiService(_baseService, telegramService, _serverConfigService);
river = RiverApiService(_baseService, telegramService, _serverConfigService);
air = AirApiService(_baseService, telegramService, _serverConfigService);
// END CHANGE
}
// --- Core API Methods (Unchanged) ---
// START CHANGE: Update all calls to _baseService to pass the required baseUrl
Future<Map<String, dynamic>> login(String email, String password) async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.post(baseUrl, 'auth/login', {'email': email, 'password': password});
}
Future<Map<String, dynamic>> register({
required String username,
String? firstName,
String? lastName,
required String email,
required String password,
String? phoneNumber,
int? departmentId,
int? companyId,
int? positionId,
}) async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
final Map<String, dynamic> body = {
'username': username,
'email': email,
'password': password,
'first_name': firstName ?? '',
'last_name': lastName ?? '',
'phone_number': phoneNumber ?? '',
'department_id': departmentId,
'company_id': companyId,
'position_id': positionId,
};
body.removeWhere((key, value) => value == null);
return _baseService.post(baseUrl, 'auth/register', body);
}
Future<Map<String, dynamic>> post(String endpoint, Map<String, dynamic> data) async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.post(baseUrl, endpoint, data);
}
Future<Map<String, dynamic>> getProfile() async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.get(baseUrl, 'profile');
}
Future<Map<String, dynamic>> getAllUsers() async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.get(baseUrl, 'users');
}
Future<Map<String, dynamic>> getAllDepartments() async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.get(baseUrl, 'departments');
}
Future<Map<String, dynamic>> getAllCompanies() async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.get(baseUrl, 'companies');
}
Future<Map<String, dynamic>> getAllPositions() async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.get(baseUrl, 'positions');
}
Future<Map<String, dynamic>> getAllStates() async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.get(baseUrl, 'states');
}
Future<Map<String, dynamic>> sendTelegramAlert({
required String chatId,
required String message,
}) async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.post(baseUrl, 'marine/telegram-alert', {
'chat_id': chatId,
'message': message,
});
}
Future<File?> downloadProfilePicture(String imageUrl, String localPath) async {
try {
final response = await http.get(Uri.parse(imageUrl));
if (response.statusCode == 200) {
final File file = File(localPath);
await file.parent.create(recursive: true);
await file.writeAsBytes(response.bodyBytes);
return file;
}
} catch (e) {
debugPrint('Error downloading profile picture: $e');
}
return null;
}
Future<Map<String, dynamic>> uploadProfilePicture(File imageFile) async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.postMultipart(
baseUrl: baseUrl,
endpoint: 'profile/upload-picture',
fields: {},
files: {'profile_picture': imageFile}
);
}
// END CHANGE
Future<Map<String, dynamic>> refreshProfile() async {
debugPrint('ApiService: Refreshing profile data from server...');
final result = await getProfile();
if (result['success'] == true && result['data'] != null) {
await dbHelper.saveProfile(result['data']);
debugPrint('ApiService: Profile data refreshed and saved to local DB.');
}
return result;
}
// --- REWRITTEN FOR DELTA SYNC ---
/// Helper method to make a delta-sync API call.
Future<Map<String, dynamic>> _fetchDelta(String endpoint, String? lastSyncTimestamp) async {
// START CHANGE: Get baseUrl and pass it to the get method
final baseUrl = await _serverConfigService.getActiveApiUrl();
String url = endpoint;
if (lastSyncTimestamp != null) {
// Append the 'since' parameter to the URL for delta requests
url += '?since=$lastSyncTimestamp';
}
return _baseService.get(baseUrl, url);
// END CHANGE
}
/// Orchestrates a full DELTA sync from the server to the local database.
Future<Map<String, dynamic>> syncAllData({String? lastSyncTimestamp}) async {
debugPrint('ApiService: Starting DELTA data sync. Since: $lastSyncTimestamp');
try {
// Defines all data types to sync, their endpoints, and their DB handlers.
final syncTasks = {
'profile': {'endpoint': 'profile', 'handler': (d, id) async { if (d.isNotEmpty) await dbHelper.saveProfile(d.first); }},
'allUsers': {'endpoint': 'users', 'handler': (d, id) async { await dbHelper.upsertUsers(d); await dbHelper.deleteUsers(id); }},
// --- ADDED: New sync task for documents ---
'documents': {'endpoint': 'documents', 'handler': (d, id) async { await dbHelper.upsertDocuments(d); await dbHelper.deleteDocuments(id); }},
// --- END ADDED ---
'tarballStations': {'endpoint': 'marine/tarball/stations', 'handler': (d, id) async { await dbHelper.upsertTarballStations(d); await dbHelper.deleteTarballStations(id); }},
'manualStations': {'endpoint': 'marine/manual/stations', 'handler': (d, id) async { await dbHelper.upsertManualStations(d); await dbHelper.deleteManualStations(id); }},
'tarballClassifications': {'endpoint': 'marine/tarball/classifications', 'handler': (d, id) async { await dbHelper.upsertTarballClassifications(d); await dbHelper.deleteTarballClassifications(id); }},
'riverManualStations': {'endpoint': 'river/manual-stations', 'handler': (d, id) async { await dbHelper.upsertRiverManualStations(d); await dbHelper.deleteRiverManualStations(id); }},
'riverTriennialStations': {'endpoint': 'river/triennial-stations', 'handler': (d, id) async { await dbHelper.upsertRiverTriennialStations(d); await dbHelper.deleteRiverTriennialStations(id); }},
'departments': {'endpoint': 'departments', 'handler': (d, id) async { await dbHelper.upsertDepartments(d); await dbHelper.deleteDepartments(id); }},
'companies': {'endpoint': 'companies', 'handler': (d, id) async { await dbHelper.upsertCompanies(d); await dbHelper.deleteCompanies(id); }},
'positions': {'endpoint': 'positions', 'handler': (d, id) async { await dbHelper.upsertPositions(d); await dbHelper.deletePositions(id); }},
'airManualStations': {'endpoint': 'air/manual-stations', 'handler': (d, id) async { await dbHelper.upsertAirManualStations(d); await dbHelper.deleteAirManualStations(id); }},
'airClients': {'endpoint': 'air/clients', 'handler': (d, id) async { await dbHelper.upsertAirClients(d); await dbHelper.deleteAirClients(id); }},
'states': {'endpoint': 'states', 'handler': (d, id) async { await dbHelper.upsertStates(d); await dbHelper.deleteStates(id); }},
'appSettings': {'endpoint': 'settings', 'handler': (d, id) async { await dbHelper.upsertAppSettings(d); await dbHelper.deleteAppSettings(id); }},
'parameterLimits': {'endpoint': 'parameter-limits', 'handler': (d, id) async { await dbHelper.upsertParameterLimits(d); await dbHelper.deleteParameterLimits(id); }},
'apiConfigs': {'endpoint': 'api-configs', 'handler': (d, id) async { await dbHelper.upsertApiConfigs(d); await dbHelper.deleteApiConfigs(id); }},
'ftpConfigs': {'endpoint': 'ftp-configs', 'handler': (d, id) async { await dbHelper.upsertFtpConfigs(d); await dbHelper.deleteFtpConfigs(id); }},
};
// Fetch all deltas in parallel
final fetchFutures = syncTasks.map((key, value) => MapEntry(key, _fetchDelta(value['endpoint'] as String, lastSyncTimestamp)));
final results = await Future.wait(fetchFutures.values);
final resultData = Map.fromIterables(fetchFutures.keys, results);
// Process and save all changes
for (var entry in resultData.entries) {
final key = entry.key;
final result = entry.value;
if (result['success'] == true && result['data'] != null) {
// The profile endpoint has a different structure, handle it separately.
if (key == 'profile') {
await (syncTasks[key]!['handler'] as Function)([result['data']], []);
} else {
final updated = List<Map<String, dynamic>>.from(result['data']['updated'] ?? []);
final deleted = List<dynamic>.from(result['data']['deleted'] ?? []);
await (syncTasks[key]!['handler'] as Function)(updated, deleted);
}
} else {
debugPrint('ApiService: Failed to sync $key. Message: ${result['message']}');
}
}
debugPrint('ApiService: Delta sync complete.');
return {'success': true, 'message': 'Delta sync successful.'};
} catch (e) {
debugPrint('ApiService: Delta data sync failed: $e');
return {'success': false, 'message': 'Data sync failed: $e'};
}
}
}
// =======================================================================
// Part 2: Feature-Specific API Services (Refactored to include Telegram)
// =======================================================================
class AirApiService {
final BaseApiService _baseService;
final TelegramService? _telegramService;
// START CHANGE: Add ServerConfigService dependency
final ServerConfigService _serverConfigService;
AirApiService(this._baseService, this._telegramService, this._serverConfigService);
// END CHANGE
// START CHANGE: Update all calls to _baseService to pass the required baseUrl
Future<Map<String, dynamic>> getManualStations() async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.get(baseUrl, 'air/manual-stations');
}
Future<Map<String, dynamic>> getClients() async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.get(baseUrl, 'air/clients');
}
Future<Map<String, dynamic>> submitInstallation(AirInstallationData data) async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.post(baseUrl, 'air/manual/installation', data.toJsonForApi());
}
Future<Map<String, dynamic>> submitCollection(AirCollectionData data) async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.post(baseUrl, 'air/manual/collection', data.toJson());
}
Future<Map<String, dynamic>> uploadInstallationImages({
required String airManId,
required Map<String, File> files,
}) async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.postMultipart(
baseUrl: baseUrl,
endpoint: 'air/manual/installation-images',
fields: {'air_man_id': airManId},
files: files,
);
}
Future<Map<String, dynamic>> uploadCollectionImages({
required String airManId,
required Map<String, File> files,
}) async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.postMultipart(
baseUrl: baseUrl,
endpoint: 'air/manual/collection-images',
fields: {'air_man_id': airManId},
files: files,
);
}
// END CHANGE
}
class MarineApiService {
final BaseApiService _baseService;
final TelegramService _telegramService;
// START CHANGE: Add ServerConfigService dependency
final ServerConfigService _serverConfigService;
MarineApiService(this._baseService, this._telegramService, this._serverConfigService);
// END CHANGE
// START CHANGE: Update all calls to _baseService to pass the required baseUrl
Future<Map<String, dynamic>> getTarballStations() async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.get(baseUrl, 'marine/tarball/stations');
}
Future<Map<String, dynamic>> getManualStations() async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.get(baseUrl, 'marine/manual/stations');
}
Future<Map<String, dynamic>> getTarballClassifications() async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.get(baseUrl, 'marine/tarball/classifications');
}
Future<Map<String, dynamic>> submitInSituSample({
required Map<String, String> formData,
required Map<String, File?> imageFiles,
required InSituSamplingData inSituData,
required List<Map<String, dynamic>>? appSettings,
}) async {
debugPrint("Step 1: Submitting in-situ form data to the server...");
final baseUrl = await _serverConfigService.getActiveApiUrl();
final dataResult = await _baseService.post(baseUrl, 'marine/manual/sample', formData);
if (dataResult['success'] != true) {
debugPrint("API submission failed for In-Situ. Message: ${dataResult['message']}");
return {
'status': 'L1',
'success': false,
'message': 'Failed to submit in-situ data: ${dataResult['message']}',
'reportId': null,
};
}
debugPrint("Step 1 successful. In-situ data submitted. Report ID: ${dataResult['data']?['man_id']}");
final recordId = dataResult['data']?['man_id'];
if (recordId == null) {
debugPrint("API submitted, but no record ID returned.");
return {
'status': 'L2',
'success': false,
'message': 'In-situ data submitted, but failed to get a record ID for images.',
'reportId': null,
};
}
final filesToUpload = <String, File>{};
imageFiles.forEach((key, value) {
if (value != null) filesToUpload[key] = value;
});
if (filesToUpload.isEmpty) {
debugPrint("No images to upload. Finalizing submission.");
_handleInSituSuccessAlert(inSituData, appSettings, isDataOnly: true); // Uses the inSituData object
return {
'status': 'L3',
'success': true,
'message': 'In-situ data submitted successfully. No images were attached.',
'reportId': recordId.toString(),
};
}
debugPrint("Step 2: Uploading ${filesToUpload.length} in-situ images for record ID: $recordId");
final imageResult = await _baseService.postMultipart(
baseUrl: baseUrl,
endpoint: 'marine/manual/images',
fields: {'man_id': recordId.toString()},
files: filesToUpload,
);
if (imageResult['success'] != true) {
debugPrint("Image upload failed for In-Situ. Message: ${imageResult['message']}");
return {
'status': 'L2',
'success': false,
'message': 'In-situ data submitted, but image upload failed: ${imageResult['message']}',
'reportId': recordId.toString(),
};
}
debugPrint("Step 2 successful. All images uploaded.");
_handleInSituSuccessAlert(inSituData, appSettings, isDataOnly: false);
return {
'status': 'L3',
'success': true,
'message': 'Data and images submitted to server successfully.',
'reportId': recordId.toString(),
};
}
Future<void> _handleInSituSuccessAlert(InSituSamplingData data, List<Map<String, dynamic>>? appSettings, {required bool isDataOnly}) async {
try {
final message = data.generateTelegramAlertMessage(isDataOnly: isDataOnly);
final bool wasSent = await _telegramService.sendAlertImmediately('marine_in_situ', message, appSettings);
if (!wasSent) {
await _telegramService.queueMessage('marine_in_situ', message, appSettings);
}
} catch (e) {
debugPrint("Failed to handle In-Situ Telegram alert: $e");
}
}
Future<Map<String, dynamic>> submitTarballSample({
required Map<String, String> formData,
required Map<String, File?> imageFiles,
required List<Map<String, dynamic>>? appSettings,
}) async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
final dataResult = await _baseService.post(baseUrl, 'marine/tarball/sample', formData);
if (dataResult['success'] != true) return {'status': 'L1', 'success': false, 'message': 'Failed to submit data: ${dataResult['message']}'};
final recordId = dataResult['data']?['autoid'];
if (recordId == null) return {'status': 'L2', 'success': false, 'message': 'Data submitted, but failed to get a record ID.'};
final filesToUpload = <String, File>{};
imageFiles.forEach((key, value) { if (value != null) filesToUpload[key] = value; });
if (filesToUpload.isEmpty) {
_handleTarballSuccessAlert(formData, appSettings, isDataOnly: true);
return {'status': 'L3', 'success': true, 'message': 'Data submitted successfully.', 'reportId': recordId};
}
final imageResult = await _baseService.postMultipart(baseUrl: baseUrl, endpoint: 'marine/tarball/images', fields: {'autoid': recordId.toString()}, files: filesToUpload);
if (imageResult['success'] != true) {
_handleTarballSuccessAlert(formData, appSettings, isDataOnly: true);
return {'status': 'L2', 'success': false, 'message': 'Data submitted, but image upload failed: ${imageResult['message']}', 'reportId': recordId};
}
_handleTarballSuccessAlert(formData, appSettings, isDataOnly: false);
return {'status': 'L3', 'success': true, 'message': 'Data and images submitted successfully.', 'reportId': recordId};
}
// END CHANGE
Future<void> _handleTarballSuccessAlert(Map<String, String> formData, List<Map<String, dynamic>>? appSettings, {required bool isDataOnly}) async {
debugPrint("Triggering Telegram alert logic...");
try {
final message = _generateTarballAlertMessage(formData, isDataOnly: isDataOnly);
final bool wasSent = await _telegramService.sendAlertImmediately('marine_tarball', message, appSettings);
if (!wasSent) {
await _telegramService.queueMessage('marine_tarball', message, appSettings);
}
} catch (e) {
debugPrint("Failed to handle Tarball Telegram alert: $e");
}
}
String _generateTarballAlertMessage(Map<String, String> formData, {required bool isDataOnly}) {
final submissionType = isDataOnly ? "(Data Only)" : "(Data & Images)";
final stationName = formData['tbl_station_name'] ?? 'N/A';
final stationCode = formData['tbl_station_code'] ?? 'N/A';
final classification = formData['classification_name'] ?? formData['classification_id'] ?? 'N/A';
final buffer = StringBuffer()
..writeln('✅ *Tarball Sample $submissionType Submitted:*')
..writeln()
..writeln('*Station Name & Code:* $stationName ($stationCode)')
..writeln('*Date of Submission:* ${formData['sampling_date']}')
..writeln('*Submitted by User:* ${formData['first_sampler_name'] ?? 'N/A'}')
..writeln('*Classification:* $classification')
..writeln('*Status of Submission:* Successful');
if (formData['distance_difference'] != null &&
double.tryParse(formData['distance_difference']!) != null &&
double.parse(formData['distance_difference']!) > 0) {
buffer
..writeln()
..writeln('🔔 *Alert:*')
..writeln('*Distance from station:* ${(double.parse(formData['distance_difference']!) * 1000).toStringAsFixed(0)} meters');
if (formData['distance_difference_remarks'] != null && formData['distance_difference_remarks']!.isNotEmpty) {
buffer.writeln('*Remarks for distance:* ${formData['distance_difference_remarks']}');
}
}
return buffer.toString();
}
}
class RiverApiService {
final BaseApiService _baseService;
final TelegramService _telegramService;
// START CHANGE: Add ServerConfigService dependency
final ServerConfigService _serverConfigService;
RiverApiService(this._baseService, this._telegramService, this._serverConfigService);
// END CHANGE
// START CHANGE: Update all calls to _baseService to pass the required baseUrl
Future<Map<String, dynamic>> getManualStations() async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.get(baseUrl, 'river/manual-stations');
}
Future<Map<String, dynamic>> getTriennialStations() async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
return _baseService.get(baseUrl, 'river/triennial-stations');
}
Future<Map<String, dynamic>> submitInSituSample({
required Map<String, String> formData,
required Map<String, File?> imageFiles,
required List<Map<String, dynamic>>? appSettings,
}) async {
final baseUrl = await _serverConfigService.getActiveApiUrl();
final dataResult = await _baseService.post(baseUrl, 'river/manual/sample', formData);
if (dataResult['success'] != true) {
return {
'status': 'L1',
'success': false,
'message': 'Failed to submit river in-situ data: ${dataResult['message']}',
'reportId': null
};
}
final recordId = dataResult['data']?['r_man_id'];
if (recordId == null) {
return {
'status': 'L2',
'success': false,
'message': 'Data submitted, but failed to get a record ID for images.',
'reportId': null
};
}
final filesToUpload = <String, File>{};
imageFiles.forEach((key, value) {
if (value != null) filesToUpload[key] = value;
});
if (filesToUpload.isEmpty) {
_handleInSituSuccessAlert(formData, appSettings, isDataOnly: true);
return {
'status': 'L3',
'success': true,
'message': 'Data submitted successfully. No images were attached.',
'reportId': recordId.toString()
};
}
final imageResult = await _baseService.postMultipart(
baseUrl: baseUrl,
endpoint: 'river/manual/images', // Separate endpoint for images
fields: {'r_man_id': recordId.toString()}, // Link images to the submitted record ID
files: filesToUpload,
);
if (imageResult['success'] != true) {
return {
'status': 'L2',
'success': false,
'message': 'Data submitted, but image upload failed: ${imageResult['message']}',
'reportId': recordId.toString()
};
}
_handleInSituSuccessAlert(formData, appSettings, isDataOnly: false);
return {
'status': 'L3',
'success': true,
'message': 'Data and images submitted successfully.',
'reportId': recordId.toString()
};
}
// END CHANGE
Future<void> _handleInSituSuccessAlert(Map<String, String> formData, List<Map<String, dynamic>>? appSettings, {required bool isDataOnly}) async {
try {
final submissionType = isDataOnly ? "(Data Only)" : "(Data & Images)";
final stationName = formData['r_man_station_name'] ?? 'N/A';
final stationCode = formData['r_man_station_code'] ?? 'N/A';
final submissionDate = formData['r_man_date'] ?? DateFormat('yyyy-MM-dd').format(DateTime.now());
final submitter = formData['first_sampler_name'] ?? 'N/A';
final sondeID = formData['r_man_sondeID'] ?? 'N/A';
final distanceKm = double.tryParse(formData['r_man_distance_difference'] ?? '0') ?? 0;
final distanceMeters = (distanceKm * 1000).toStringAsFixed(0);
final distanceRemarks = formData['r_man_distance_difference_remarks'] ?? 'N/A';
final buffer = StringBuffer()
..writeln('✅ *River In-Situ Sample ${submissionType} Submitted:*')
..writeln()
..writeln('*Station Name & Code:* $stationName ($stationCode)')
..writeln('*Date of Submitted:* $submissionDate')
..writeln('*Submitted by User:* $submitter')
..writeln('*Sonde ID:* $sondeID')
..writeln('*Status of Submission:* Successful');
if (distanceKm > 0 || (distanceRemarks.isNotEmpty && distanceRemarks != 'N/A')) {
buffer
..writeln()
..writeln('🔔 *Alert:*')
..writeln('*Distance from station:* $distanceMeters meters');
if (distanceRemarks.isNotEmpty && distanceRemarks != 'N/A') {
buffer.writeln('*Remarks for distance:* $distanceRemarks');
}
}
final String message = buffer.toString();
final bool wasSent = await _telegramService.sendAlertImmediately('river_in_situ', message, appSettings);
if (!wasSent) {
await _telegramService.queueMessage('river_in_situ', message, appSettings);
}
} catch (e) {
debugPrint("Failed to handle River Telegram alert: $e");
}
}
}
// =======================================================================
// Part 3: Local Database Helper (Refactored for Delta Sync)
// =======================================================================
class DatabaseHelper {
static Database? _database;
static const String _dbName = 'app_data.db';
// --- ADDED: Incremented DB version for the new table ---
static const int _dbVersion = 20;
static const String _profileTable = 'user_profile';
static const String _usersTable = 'all_users';
static const String _tarballStationsTable = 'marine_tarball_stations';
static const String _manualStationsTable = 'marine_manual_stations';
static const String _riverManualStationsTable = 'river_manual_stations';
static const String _riverTriennialStationsTable = 'river_triennial_stations';
static const String _tarballClassificationsTable = 'marine_tarball_classifications';
static const String _departmentsTable = 'departments';
static const String _companiesTable = 'companies';
static const String _positionsTable = 'positions';
static const String _alertQueueTable = 'alert_queue';
static const String _airManualStationsTable = 'air_manual_stations';
static const String _airClientsTable = 'air_clients';
static const String _statesTable = 'states';
static const String _appSettingsTable = 'app_settings';
static const String _parameterLimitsTable = 'manual_parameter_limits';
static const String _apiConfigsTable = 'api_configurations';
static const String _ftpConfigsTable = 'ftp_configurations';
static const String _retryQueueTable = 'retry_queue';
static const String _submissionLogTable = 'submission_log';
// --- ADDED: New table name for documents ---
static const String _documentsTable = 'documents';
static const String _modulePreferencesTable = 'module_preferences';
static const String _moduleApiLinksTable = 'module_api_links';
static const String _moduleFtpLinksTable = 'module_ftp_links';
Future<Database> get database async {
if (_database != null) return _database!;
_database = await _initDB();
return _database!;
}
Future<Database> _initDB() async {
String dbPath = p.join(await getDatabasesPath(), _dbName);
return await openDatabase(dbPath, version: _dbVersion, onCreate: _onCreate, onUpgrade: _onUpgrade);
}
Future _onCreate(Database db, int version) async {
await db.execute('CREATE TABLE $_profileTable(user_id INTEGER PRIMARY KEY, profile_json TEXT)');
await db.execute('CREATE TABLE $_usersTable(user_id INTEGER PRIMARY KEY, user_json TEXT)');
await db.execute('CREATE TABLE $_tarballStationsTable(station_id INTEGER PRIMARY KEY, station_json TEXT)');
await db.execute('CREATE TABLE $_manualStationsTable(station_id INTEGER PRIMARY KEY, station_json TEXT)');
await db.execute('CREATE TABLE $_riverManualStationsTable(station_id INTEGER PRIMARY KEY, station_json TEXT)');
await db.execute('CREATE TABLE $_riverTriennialStationsTable(station_id INTEGER PRIMARY KEY, station_json TEXT)');
await db.execute('CREATE TABLE $_tarballClassificationsTable(classification_id INTEGER PRIMARY KEY, classification_json TEXT)');
await db.execute('CREATE TABLE $_departmentsTable(department_id INTEGER PRIMARY KEY, department_json TEXT)');
await db.execute('CREATE TABLE $_companiesTable(company_id INTEGER PRIMARY KEY, company_json TEXT)');
await db.execute('CREATE TABLE $_positionsTable(position_id INTEGER PRIMARY KEY, position_json TEXT)');
await db.execute('''CREATE TABLE $_alertQueueTable (id INTEGER PRIMARY KEY AUTOINCREMENT, chat_id TEXT NOT NULL, message TEXT NOT NULL, created_at TEXT NOT NULL)''');
await db.execute('CREATE TABLE $_airManualStationsTable(station_id INTEGER PRIMARY KEY, station_json TEXT)');
await db.execute('CREATE TABLE $_airClientsTable(client_id INTEGER PRIMARY KEY, client_json TEXT)');
await db.execute('CREATE TABLE $_statesTable(state_id INTEGER PRIMARY KEY, state_json TEXT)');
await db.execute('CREATE TABLE $_appSettingsTable(setting_id INTEGER PRIMARY KEY, setting_json TEXT)');
await db.execute('CREATE TABLE $_parameterLimitsTable(param_autoid INTEGER PRIMARY KEY, limit_json TEXT)');
await db.execute('CREATE TABLE $_apiConfigsTable(api_config_id INTEGER PRIMARY KEY, config_json TEXT)');
await db.execute('CREATE TABLE $_ftpConfigsTable(ftp_config_id INTEGER PRIMARY KEY, config_json TEXT)');
await db.execute('''
CREATE TABLE $_retryQueueTable(
id INTEGER PRIMARY KEY AUTOINCREMENT,
type TEXT NOT NULL,
endpoint_or_path TEXT NOT NULL,
payload TEXT,
timestamp TEXT NOT NULL,
status TEXT NOT NULL
)
''');
// FIX: Updated CREATE TABLE statement for _submissionLogTable to include api_status and ftp_status
await db.execute('''
CREATE TABLE $_submissionLogTable (
submission_id TEXT PRIMARY KEY,
module TEXT NOT NULL,
type TEXT NOT NULL,
status TEXT NOT NULL,
message TEXT,
report_id TEXT,
created_at TEXT NOT NULL,
form_data TEXT,
image_data TEXT,
server_name TEXT,
api_status TEXT,
ftp_status TEXT
)
''');
// START CHANGE: Added CREATE TABLE statements for the new tables.
await db.execute('''
CREATE TABLE $_modulePreferencesTable (
module_name TEXT PRIMARY KEY,
is_api_enabled INTEGER NOT NULL DEFAULT 1,
is_ftp_enabled INTEGER NOT NULL DEFAULT 1
)
''');
await db.execute('''
CREATE TABLE $_moduleApiLinksTable (
id INTEGER PRIMARY KEY AUTOINCREMENT,
module_name TEXT NOT NULL,
api_config_id INTEGER NOT NULL,
is_enabled INTEGER NOT NULL DEFAULT 1
)
''');
await db.execute('''
CREATE TABLE $_moduleFtpLinksTable (
id INTEGER PRIMARY KEY AUTOINCREMENT,
module_name TEXT NOT NULL,
ftp_config_id INTEGER NOT NULL,
is_enabled INTEGER NOT NULL DEFAULT 1
)
''');
// END CHANGE
// --- ADDED: Create the documents table on initial creation ---
await db.execute('CREATE TABLE $_documentsTable(id INTEGER PRIMARY KEY, document_json TEXT)');
}
Future<void> _onUpgrade(Database db, int oldVersion, int newVersion) async {
if (oldVersion < 11) {
await db.execute('CREATE TABLE IF NOT EXISTS $_airManualStationsTable(station_id INTEGER PRIMARY KEY, station_json TEXT)');
await db.execute('CREATE TABLE IF NOT EXISTS $_airClientsTable(client_id INTEGER PRIMARY KEY, client_json TEXT)');
}
if (oldVersion < 12) {
await db.execute('CREATE TABLE IF NOT EXISTS $_statesTable(state_id INTEGER PRIMARY KEY, state_json TEXT)');
}
if (oldVersion < 13) {
await db.execute('CREATE TABLE IF NOT EXISTS $_appSettingsTable(setting_id INTEGER PRIMARY KEY, setting_json TEXT)');
await db.execute('CREATE TABLE IF NOT EXISTS $_parameterLimitsTable(param_autoid INTEGER PRIMARY KEY, limit_json TEXT)');
}
if (oldVersion < 16) {
await db.execute('CREATE TABLE IF NOT EXISTS $_apiConfigsTable(api_config_id INTEGER PRIMARY KEY, config_json TEXT)');
await db.execute('CREATE TABLE IF NOT EXISTS $_ftpConfigsTable(ftp_config_id INTEGER PRIMARY KEY, config_json TEXT)');
}
if (oldVersion < 17) {
await db.execute('''
CREATE TABLE IF NOT EXISTS $_retryQueueTable(
id INTEGER PRIMARY KEY AUTOINCREMENT,
type TEXT NOT NULL,
endpoint_or_path TEXT NOT NULL,
payload TEXT,
timestamp TEXT NOT NULL,
status TEXT NOT NULL
)
''');
}
if (oldVersion < 18) {
// FIX: Updated UPGRADE TABLE statement for _submissionLogTable to include api_status and ftp_status
await db.execute('''
CREATE TABLE IF NOT EXISTS $_submissionLogTable (
submission_id TEXT PRIMARY KEY,
module TEXT NOT NULL,
type TEXT NOT NULL,
status TEXT NOT NULL,
message TEXT,
report_id TEXT,
created_at TEXT NOT NULL,
form_data TEXT,
image_data TEXT,
server_name TEXT
)
''');
}
// Add columns if upgrading from < 18 or if columns were manually dropped (for testing)
// NOTE: In a real migration, you'd check if the columns exist first.
if (oldVersion < 19) {
try {
await db.execute("ALTER TABLE $_submissionLogTable ADD COLUMN api_status TEXT");
await db.execute("ALTER TABLE $_submissionLogTable ADD COLUMN ftp_status TEXT");
} catch (_) {
// Ignore if columns already exist during a complex migration path
}
// START CHANGE: Add upgrade path for the new preference tables.
await db.execute('''
CREATE TABLE IF NOT EXISTS $_modulePreferencesTable (
module_name TEXT PRIMARY KEY,
is_api_enabled INTEGER NOT NULL DEFAULT 1,
is_ftp_enabled INTEGER NOT NULL DEFAULT 1
)
''');
await db.execute('''
CREATE TABLE IF NOT EXISTS $_moduleApiLinksTable (
id INTEGER PRIMARY KEY AUTOINCREMENT,
module_name TEXT NOT NULL,
api_config_id INTEGER NOT NULL,
is_enabled INTEGER NOT NULL DEFAULT 1
)
''');
await db.execute('''
CREATE TABLE IF NOT EXISTS $_moduleFtpLinksTable (
id INTEGER PRIMARY KEY AUTOINCREMENT,
module_name TEXT NOT NULL,
ftp_config_id INTEGER NOT NULL,
is_enabled INTEGER NOT NULL DEFAULT 1
)
''');
// END CHANGE
}
// --- ADDED: Upgrade path for the new documents table ---
if (oldVersion < 20) {
await db.execute('CREATE TABLE IF NOT EXISTS $_documentsTable(id INTEGER PRIMARY KEY, document_json TEXT)');
}
}
/// Performs an "upsert": inserts new records or replaces existing ones.
Future<void> _upsertData(String table, String idKeyName, List<Map<String, dynamic>> data, String jsonKeyName) async {
if (data.isEmpty) return;
final db = await database;
final batch = db.batch();
for (var item in data) {
batch.insert(
table,
{idKeyName: item[idKeyName], '${jsonKeyName}_json': jsonEncode(item)},
conflictAlgorithm: ConflictAlgorithm.replace,
);
}
await batch.commit(noResult: true);
debugPrint("Upserted ${data.length} items into $table");
}
/// Deletes a list of records from a table by their primary keys.
Future<void> _deleteData(String table, String idKeyName, List<dynamic> ids) async {
if (ids.isEmpty) return;
final db = await database;
final placeholders = List.filled(ids.length, '?').join(', ');
await db.delete(
table,
where: '$idKeyName IN ($placeholders)',
whereArgs: ids,
);
debugPrint("Deleted ${ids.length} items from $table");
}
Future<List<Map<String, dynamic>>?> _loadData(String table, String jsonKey) async {
final db = await database;
final List<Map<String, dynamic>> maps = await db.query(table);
if (maps.isNotEmpty) {
return maps.map((map) => jsonDecode(map['${jsonKey}_json']) as Map<String, dynamic>).toList();
}
return null;
}
Future<void> saveProfile(Map<String, dynamic> profile) async {
final db = await database;
await db.insert(_profileTable, {'user_id': profile['user_id'], 'profile_json': jsonEncode(profile)}, conflictAlgorithm: ConflictAlgorithm.replace);
}
Future<Map<String, dynamic>?> loadProfile() async {
final db = await database;
final List<Map<String, dynamic>> maps = await db.query(_profileTable);
if(maps.isNotEmpty) return jsonDecode(maps.first['profile_json']);
return null;
}
// --- Upsert/Delete/Load methods for all data types ---
Future<void> upsertUsers(List<Map<String, dynamic>> data) => _upsertData(_usersTable, 'user_id', data, 'user');
Future<void> deleteUsers(List<dynamic> ids) => _deleteData(_usersTable, 'user_id', ids);
Future<List<Map<String, dynamic>>?> loadUsers() => _loadData(_usersTable, 'user');
// --- ADDED: Handlers for the new documents table ---
Future<void> upsertDocuments(List<Map<String, dynamic>> data) => _upsertData(_documentsTable, 'id', data, 'document');
Future<void> deleteDocuments(List<dynamic> ids) => _deleteData(_documentsTable, 'id', ids);
Future<List<Map<String, dynamic>>?> loadDocuments() => _loadData(_documentsTable, 'document');
Future<void> upsertTarballStations(List<Map<String, dynamic>> data) => _upsertData(_tarballStationsTable, 'station_id', data, 'station');
Future<void> deleteTarballStations(List<dynamic> ids) => _deleteData(_tarballStationsTable, 'station_id', ids);
Future<List<Map<String, dynamic>>?> loadTarballStations() => _loadData(_tarballStationsTable, 'station');
Future<void> upsertManualStations(List<Map<String, dynamic>> data) => _upsertData(_manualStationsTable, 'station_id', data, 'station');
Future<void> deleteManualStations(List<dynamic> ids) => _deleteData(_manualStationsTable, 'station_id', ids);
Future<List<Map<String, dynamic>>?> loadManualStations() => _loadData(_manualStationsTable, 'station');
Future<void> upsertRiverManualStations(List<Map<String, dynamic>> data) => _upsertData(_riverManualStationsTable, 'station_id', data, 'station');
Future<void> deleteRiverManualStations(List<dynamic> ids) => _deleteData(_riverManualStationsTable, 'station_id', ids);
Future<List<Map<String, dynamic>>?> loadRiverManualStations() => _loadData(_riverManualStationsTable, 'station');
Future<void> upsertRiverTriennialStations(List<Map<String, dynamic>> data) => _upsertData(_riverTriennialStationsTable, 'station_id', data, 'station');
Future<void> deleteRiverTriennialStations(List<dynamic> ids) => _deleteData(_riverTriennialStationsTable, 'station_id', ids);
Future<List<Map<String, dynamic>>?> loadRiverTriennialStations() => _loadData(_riverTriennialStationsTable, 'station');
Future<void> upsertTarballClassifications(List<Map<String, dynamic>> data) => _upsertData(_tarballClassificationsTable, 'classification_id', data, 'classification');
Future<void> deleteTarballClassifications(List<dynamic> ids) => _deleteData(_tarballClassificationsTable, 'classification_id', ids);
Future<List<Map<String, dynamic>>?> loadTarballClassifications() => _loadData(_tarballClassificationsTable, 'classification');
Future<void> upsertDepartments(List<Map<String, dynamic>> data) => _upsertData(_departmentsTable, 'department_id', data, 'department');
Future<void> deleteDepartments(List<dynamic> ids) => _deleteData(_departmentsTable, 'department_id', ids);
Future<List<Map<String, dynamic>>?> loadDepartments() => _loadData(_departmentsTable, 'department');
Future<void> upsertCompanies(List<Map<String, dynamic>> data) => _upsertData(_companiesTable, 'company_id', data, 'company');
Future<void> deleteCompanies(List<dynamic> ids) => _deleteData(_companiesTable, 'company_id', ids);
Future<List<Map<String, dynamic>>?> loadCompanies() => _loadData(_companiesTable, 'company');
Future<void> upsertPositions(List<Map<String, dynamic>> data) => _upsertData(_positionsTable, 'position_id', data, 'position');
Future<void> deletePositions(List<dynamic> ids) => _deleteData(_positionsTable, 'position_id', ids);
Future<List<Map<String, dynamic>>?> loadPositions() => _loadData(_positionsTable, 'position');
Future<void> upsertAirManualStations(List<Map<String, dynamic>> data) => _upsertData(_airManualStationsTable, 'station_id', data, 'station');
Future<void> deleteAirManualStations(List<dynamic> ids) => _deleteData(_airManualStationsTable, 'station_id', ids);
Future<List<Map<String, dynamic>>?> loadAirManualStations() => _loadData(_airManualStationsTable, 'station');
Future<void> upsertAirClients(List<Map<String, dynamic>> data) => _upsertData(_airClientsTable, 'client_id', data, 'client');
Future<void> deleteAirClients(List<dynamic> ids) => _deleteData(_airClientsTable, 'client_id', ids);
Future<List<Map<String, dynamic>>?> loadAirClients() => _loadData(_airClientsTable, 'client');
Future<void> upsertStates(List<Map<String, dynamic>> data) => _upsertData(_statesTable, 'state_id', data, 'state');
Future<void> deleteStates(List<dynamic> ids) => _deleteData(_statesTable, 'state_id', ids);
Future<List<Map<String, dynamic>>?> loadStates() => _loadData(_statesTable, 'state');
Future<void> upsertAppSettings(List<Map<String, dynamic>> data) => _upsertData(_appSettingsTable, 'setting_id', data, 'setting');
Future<void> deleteAppSettings(List<dynamic> ids) => _deleteData(_appSettingsTable, 'setting_id', ids);
Future<List<Map<String, dynamic>>?> loadAppSettings() => _loadData(_appSettingsTable, 'setting');
Future<void> upsertParameterLimits(List<Map<String, dynamic>> data) => _upsertData(_parameterLimitsTable, 'param_autoid', data, 'limit');
Future<void> deleteParameterLimits(List<dynamic> ids) => _deleteData(_parameterLimitsTable, 'param_autoid', ids);
Future<List<Map<String, dynamic>>?> loadParameterLimits() => _loadData(_parameterLimitsTable, 'limit');
// --- ADDED: Methods for independent API and FTP configurations ---
Future<void> upsertApiConfigs(List<Map<String, dynamic>> data) => _upsertData(_apiConfigsTable, 'api_config_id', data, 'config');
Future<void> deleteApiConfigs(List<dynamic> ids) => _deleteData(_apiConfigsTable, 'api_config_id', ids);
Future<List<Map<String, dynamic>>?> loadApiConfigs() => _loadData(_apiConfigsTable, 'config');
Future<void> upsertFtpConfigs(List<Map<String, dynamic>> data) => _upsertData(_ftpConfigsTable, 'ftp_config_id', data, 'config');
Future<void> deleteFtpConfigs(List<dynamic> ids) => _deleteData(_ftpConfigsTable, 'ftp_config_id', ids);
Future<List<Map<String, dynamic>>?> loadFtpConfigs() => _loadData(_ftpConfigsTable, 'config');
// --- ADDED: Methods for the new retry queue ---
Future<int> queueFailedRequest(Map<String, dynamic> data) async {
final db = await database;
return await db.insert(_retryQueueTable, data, conflictAlgorithm: ConflictAlgorithm.replace);
}
Future<List<Map<String, dynamic>>> getPendingRequests() async {
final db = await database;
return await db.query(_retryQueueTable, where: 'status = ?', whereArgs: ['pending']);
}
Future<Map<String, dynamic>?> getRequestById(int id) async {
final db = await database;
final results = await db.query(_retryQueueTable, where: 'id = ?', whereArgs: [id]);
return results.isNotEmpty ? results.first : null;
}
Future<void> deleteRequestFromQueue(int id) async {
final db = await database;
await db.delete(_retryQueueTable, where: 'id = ?', whereArgs: [id]);
}
// --- ADDED: Methods for the centralized submission log ---
/// Saves a new submission log entry to the central database table.
// FIX: Updated signature to accept api_status and ftp_status
Future<void> saveSubmissionLog(Map<String, dynamic> data) async {
final db = await database;
await db.insert(
_submissionLogTable,
data,
conflictAlgorithm: ConflictAlgorithm.replace,
);
}
/// Retrieves all submission log entries, optionally filtered by module.
Future<List<Map<String, dynamic>>?> loadSubmissionLogs({String? module}) async {
final db = await database;
List<Map<String, dynamic>> maps;
if (module != null && module.isNotEmpty) {
maps = await db.query(
_submissionLogTable,
where: 'module = ?',
whereArgs: [module],
orderBy: 'created_at DESC',
);
} else {
maps = await db.query(
_submissionLogTable,
orderBy: 'created_at DESC',
);
}
if (maps.isNotEmpty) return maps;
return null;
}
// START CHANGE: Added helper methods for the new preference tables.
/// Saves or updates a module's master submission preferences.
Future<void> saveModulePreference({
required String moduleName,
required bool isApiEnabled,
required bool isFtpEnabled,
}) async {
final db = await database;
await db.insert(
_modulePreferencesTable,
{
'module_name': moduleName,
'is_api_enabled': isApiEnabled ? 1 : 0,
'is_ftp_enabled': isFtpEnabled ? 1 : 0,
},
conflictAlgorithm: ConflictAlgorithm.replace,
);
}
/// Retrieves a module's master submission preferences.
Future<Map<String, dynamic>?> getModulePreference(String moduleName) async {
final db = await database;
final result = await db.query(
_modulePreferencesTable,
where: 'module_name = ?',
whereArgs: [moduleName],
);
if (result.isNotEmpty) {
final row = result.first;
return {
'module_name': row['module_name'],
'is_api_enabled': (row['is_api_enabled'] as int) == 1,
'is_ftp_enabled': (row['is_ftp_enabled'] as int) == 1,
};
}
return null; // Return null if no specific preference is set
}
/// Saves the complete set of API links for a specific module, replacing any old ones.
Future<void> saveApiLinksForModule(String moduleName, List<Map<String, dynamic>> links) async {
final db = await database;
await db.transaction((txn) async {
// First, delete all existing links for this module
await txn.delete(_moduleApiLinksTable, where: 'module_name = ?', whereArgs: [moduleName]);
// Then, insert all the new links
for (final link in links) {
await txn.insert(_moduleApiLinksTable, {
'module_name': moduleName,
'api_config_id': link['api_config_id'],
'is_enabled': (link['is_enabled'] as bool? ?? true) ? 1 : 0,
});
}
});
}
/// Saves the complete set of FTP links for a specific module, replacing any old ones.
Future<void> saveFtpLinksForModule(String moduleName, List<Map<String, dynamic>> links) async {
final db = await database;
await db.transaction((txn) async {
await txn.delete(_moduleFtpLinksTable, where: 'module_name = ?', whereArgs: [moduleName]);
for (final link in links) {
await txn.insert(_moduleFtpLinksTable, {
'module_name': moduleName,
'ftp_config_id': link['ftp_config_id'],
'is_enabled': (link['is_enabled'] as bool? ?? true) ? 1 : 0,
});
}
});
}
/// Retrieves all API links for a specific module, regardless of enabled status.
Future<List<Map<String, dynamic>>> getAllApiLinksForModule(String moduleName) async {
final db = await database;
final result = await db.query(_moduleApiLinksTable, where: 'module_name = ?', whereArgs: [moduleName]);
return result.map((row) => {
'api_config_id': row['api_config_id'],
'is_enabled': (row['is_enabled'] as int) == 1,
}).toList();
}
/// Retrieves all FTP links for a specific module, regardless of enabled status.
Future<List<Map<String, dynamic>>> getAllFtpLinksForModule(String moduleName) async {
final db = await database;
final result = await db.query(_moduleFtpLinksTable, where: 'module_name = ?', whereArgs: [moduleName]);
return result.map((row) => {
'ftp_config_id': row['ftp_config_id'],
'is_enabled': (row['is_enabled'] as int) == 1,
}).toList();
}
// END CHANGE
}