Implemented logging framework (#358)

* Implemented logging framework

* Bump v0.10.2+52

lib/core/database.dart

@@ -5,6 +5,10 @@ import 'dart:io';
 import 'package:sqflite/sqflite.dart';
 import 'package:path/path.dart';
 import '../common/constants.dart';
+import 'package:logging/logging.dart';
+
+// Initialize the logger
+final Logger _logger = Logger('DatabaseLogger');
 
 class DatabaseHelper {
   static final DatabaseHelper _instance = DatabaseHelper._internal();
@@ -25,7 +29,7 @@ class DatabaseHelper {
 
   Future<Database> _initDatabase() async {
     String path = await _databasePath();
-    print("Database is located at: $path");
+    _logger.info("Database is located at: $path");
     return await openDatabase(
       path,
       version: _databaseVersion,
@@ -115,7 +119,7 @@ class DatabaseHelper {
       await db.execute(
         'CREATE TABLE fitness(id INTEGER PRIMARY KEY AUTOINCREMENT, weight TEXT, height INTEGER, age INTEGER, timestamp TEXT)',
       );
-      print('Fitness table recreated successfully');
+      _logger.info('Fitness table recreated successfully');
     } else {
       await db.delete(table);
     }
@@ -581,15 +585,15 @@ class DatabaseHelper {
           String backupPath = '$selectedDirectory/backup_database.db';
           await databaseFile.copy(backupPath);
 
-          print('Database backed up successfully to $backupPath');
+          _logger.info('Database backed up successfully to $backupPath');
         } else {
-          print('Backup operation cancelled');
+          _logger.info('Backup operation cancelled');
         }
       } else {
-        print('Storage permission denied');
+        _logger.severe('Storage permission denied');
       }
     } catch (e) {
-      print('Failed to back up database: $e');
+      _logger.severe('Failed to back up database: $e');
     }
   }
 
@@ -612,15 +616,15 @@ class DatabaseHelper {
           File selectedFile = File(selectedFilePath);
           await selectedFile.copy(dbPath);
 
-          print('Database restored successfully from $selectedFilePath');
+          _logger.info('Database restored successfully from $selectedFilePath');
         } else {
-          print('Restore operation cancelled');
+          _logger.info('Restore operation cancelled');
         }
       } else {
-        print('Storage permission denied');
+        _logger.severe('Storage permission denied');
       }
     } catch (e) {
-      print('Failed to restore database: $e');
+      _logger.severe('Failed to restore database: $e');
     }
   }
 }

lib/tabs/visualization.dart

@@ -3,6 +3,10 @@ import 'package:fl_chart/fl_chart.dart';
 import 'package:intl/intl.dart';
 import '../core/database.dart';
 import '../core/theme.dart';
+import 'package:logging/logging.dart';
+
+// Initialize the logger
+final Logger _logger = Logger('VisualizationLogger');
 
 class VisualizationTab extends StatefulWidget {
   final bool isKg;
@@ -71,7 +75,7 @@ class VisualizationTabState extends State<VisualizationTab> {
   }
 
   Future<void> _fetchExerciseNames() async {
-    print('Fetching names from $_selectedTable table...');
+    _logger.info('Fetching names from $_selectedTable table...');
     try {
       List<String> names;
       if (_selectedTable == 'Exercise') {
@@ -99,7 +103,7 @@ class VisualizationTabState extends State<VisualizationTab> {
         }
       });
     } catch (e) {
-      print('Error fetching names: $e');
+      _logger.severe('Error fetching names: $e');
     }
 
     // render last recorded exercise by default if any
@@ -114,7 +118,7 @@ class VisualizationTabState extends State<VisualizationTab> {
           });
         }
       } catch (e) {
-        print('Error fetching last recorded exercise: $e');
+        _logger.severe('Error fetching last recorded exercise: $e');
       }
     }
 
@@ -129,7 +133,7 @@ class VisualizationTabState extends State<VisualizationTab> {
   }
 
   Future<void> _fetchDataPoints(String? exerciseName) async {
-    print('Fetching data points for: $exerciseName');
+    _logger.info('Fetching data points for: $exerciseName');
     String currAggregationMethod = _aggregationMethod;
     List<Map<String, dynamic>> records;
     if (_selectedTable == 'Exercise') {

lib/widgets/records.dart

@@ -1,5 +1,9 @@
 import 'package:flutter/material.dart';
 import '../core/database.dart';
+import 'package:logging/logging.dart';
+
+// Initialize the logger
+final Logger _logger = Logger('RecordsLogger');
 
 class RecordsTab extends StatefulWidget {
   final bool isKg;
@@ -43,7 +47,7 @@ class RecordsTabState extends State<RecordsTab> {
         _errorMessage =
             'Failed to load data. Please try again later.'; // Set error message
       });
-      print('Error fetching records: $e'); // Log error for debugging
+      _logger.severe('Error fetching records: $e');
     }
   }
 

pubspec.yaml

@@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 0.10.1+51
+version: 0.10.2+52
 
 environment:
   sdk: '>=3.4.3 <4.0.0'
@@ -59,6 +59,9 @@ dependencies:
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.6
 
+  # logging framework
+  logging: ^1.0.2
+
 dev_dependencies:
   flutter_test:
     sdk: flutter