fix: add progress

.gitignore

@@ -47,8 +47,6 @@ app.*.map.json
 # VSCode
 .vscode/
 
-
-
 # Xcode
 /ios/
 

lib/models/progress_data.dart

@@ -0,0 +1,51 @@
+class ProgressData {
+  final double currentWeight;
+  final double totalCalories;
+  final int month;
+
+  ProgressData({
+    required this.currentWeight,
+    required this.totalCalories,
+    required this.month,
+  });
+
+  factory ProgressData.fromJson(Map<String, dynamic> json) {
+    return ProgressData(
+      currentWeight: _parseDouble(json['currentWeight']),
+      totalCalories: _parseDouble(json['totalCalories']),
+      month: json['month'] as int,
+    );
+  }
+
+  static double _parseDouble(dynamic value) {
+    if (value == null) return 0.0;
+    if (value is double) return value;
+    if (value is int) return value.toDouble();
+    if (value is String) return double.tryParse(value) ?? 0.0;
+    return 0.0;
+  }
+}
+
+class ProgressResponse {
+  final int statusCode;
+  final String averageCurrentWeight;
+  final List<ProgressData> data;
+
+  ProgressResponse({
+    required this.statusCode,
+    required this.averageCurrentWeight,
+    required this.data,
+  });
+
+  factory ProgressResponse.fromJson(Map<String, dynamic> json) {
+    return ProgressResponse(
+      statusCode: json['statusCode'] as int,
+      averageCurrentWeight: json['averageCurrentWeight'] as String,
+      data: (json['data'] as List)
+          .map((item) => ProgressData.fromJson(item as Map<String, dynamic>))
+          .toList(),
+    );
+  }
+
+  double get averageWeight => double.tryParse(averageCurrentWeight) ?? 0.0;
+}

lib/services/progress_service.dart

@@ -0,0 +1,25 @@
+import 'dart:developer';
+import 'package:workout_ai/services/api_service.dart';
+import 'package:workout_ai/models/progress_data.dart';
+
+class ProgressService {
+  final APIService _api = APIService();
+
+  Future<ProgressResponse> getProgress() async {
+    try {
+      final response = await _api.get('progress');
+      log('Progress response: $response');
+
+      if (response['statusCode'] != 200) {
+        throw Exception(response['error'] ??
+            response['message'] ??
+            'Failed to fetch progress data');
+      }
+
+      return ProgressResponse.fromJson(response);
+    } catch (e) {
+      log('Error in getProgress: $e');
+      rethrow;
+    }
+  }
+}

lib/services/workout_info_service.dart

@@ -11,7 +11,9 @@ class WorkoutInfoService {
       log('Workout info response: $response');
 
       if (response['statusCode'] != 200) {
-        throw Exception(response['error'] ?? response['message'] ?? 'Failed to fetch workout info');
+        throw Exception(response['error'] ??
+            response['message'] ??
+            'Failed to fetch workout info');
       }
 
       final List<dynamic> workouts = response['data'] as List<dynamic>? ?? [];
@@ -31,13 +33,15 @@ class WorkoutInfo {
   final double totalCalories;
   final String id;
   final String userId;
+  final int month;
 
   const WorkoutInfo({
     required this.woName,
     required this.sumWo,
     required this.totalCalories,
     required this.id,
     required this.userId,
+    required this.month,
   });
 
   factory WorkoutInfo.fromJson(Map<String, dynamic> json) {
@@ -47,6 +51,7 @@ class WorkoutInfo {
       totalCalories: _parseDouble(json['totalCalories']),
       id: json['_id']?.toString() ?? '',
       userId: json['userId']?.toString() ?? '',
+      month: _parseInteger(json['month']),
     );
   }
 
@@ -65,4 +70,84 @@ class WorkoutInfo {
     if (value is String) return double.tryParse(value) ?? 0.0;
     return 0.0;
   }
-}
+}
+
+// lib/models/progress_data.dart
+class ProgressData {
+  final double currentWeight;
+  final double totalCalories;
+  final int month;
+
+  ProgressData({
+    required this.currentWeight,
+    required this.totalCalories,
+    required this.month,
+  });
+
+  factory ProgressData.fromJson(Map<String, dynamic> json) {
+    return ProgressData(
+      currentWeight: _parseDouble(json['currentWeight']),
+      totalCalories: _parseDouble(json['totalCalories']),
+      month: json['month'] as int,
+    );
+  }
+
+  static double _parseDouble(dynamic value) {
+    if (value == null) return 0.0;
+    if (value is double) return value;
+    if (value is int) return value.toDouble();
+    if (value is String) return double.tryParse(value) ?? 0.0;
+    return 0.0;
+  }
+}
+
+class ProgressResponse {
+  final int statusCode;
+  final String averageCurrentWeight;
+  final List<ProgressData> data;
+
+  ProgressResponse({
+    required this.statusCode,
+    required this.averageCurrentWeight,
+    required this.data,
+  });
+
+  factory ProgressResponse.fromJson(Map<String, dynamic> json) {
+    return ProgressResponse(
+      statusCode: json['statusCode'] as int,
+      averageCurrentWeight: json['averageCurrentWeight'] as String,
+      data: (json['data'] as List)
+          .map((item) => ProgressData.fromJson(item as Map<String, dynamic>))
+          .toList(),
+    );
+  }
+
+  double get averageWeight => double.tryParse(averageCurrentWeight) ?? 0.0;
+
+  // Helper methods for data processing
+  List<ProgressData> get sortedByMonth {
+    final sorted = List<ProgressData>.from(data);
+    sorted.sort((a, b) => a.month.compareTo(b.month));
+    return sorted;
+  }
+
+  double get totalCaloriesBurned {
+    return data.fold(0.0, (sum, item) => sum + item.totalCalories);
+  }
+
+  double get weightChange {
+    if (data.isEmpty) return 0;
+    final sorted = sortedByMonth;
+    return sorted.last.currentWeight - sorted.first.currentWeight;
+  }
+
+  double get weightChangePercentage {
+    if (data.isEmpty) return 0;
+    final sorted = sortedByMonth;
+    final firstWeight = sorted.first.currentWeight;
+    final change = weightChange;
+    return (change / firstWeight * 100).abs();
+  }
+
+  bool get isWeightGain => weightChange > 0;
+}