# progress/views.py from datetime import timedelta from django.utils import timezone from django.db.models import F from django.db import transaction from rest_framework import generics, permissions, status from rest_framework.views import APIView from rest_framework.response import Response from django.shortcuts import get_object_or_404 import datetime from .serializers import SubjectProgressSerializer from .models import SubjectProgress, ExerciseAttempt, UserNodeProgress, SkillMastery from users.models import AppSettings, Profile from subjects.models import Exercise, Subject, PathNode # ✅ ایمپورت جدید: برای آپدیت کردن مأموریت‌ها ضروری است from gamification.models import UserMission class SubjectProgressView(APIView): """ آمار پیشرفت کاربر در یک درس خاص را نمایش داده و درس فعلی کاربر را ثبت می‌کند. """ permission_classes = [permissions.IsAuthenticated] @transaction.atomic def get(self, request, subject_id, *args, **kwargs): user = request.user subject = get_object_or_404(Subject, id=subject_id) profile, _ = Profile.objects.get_or_create(user=user) profile.active_subject = subject profile.save(update_fields=['active_subject']) progress, _ = SubjectProgress.objects.get_or_create(user=user, subject=subject) updates_to_save = [] local_date_str = request.query_params.get('local_date') client_date = datetime.date.fromisoformat(local_date_str) if local_date_str else datetime.date.today() if progress.last_activity_date: days_diff = (client_date - progress.last_activity_date).days if days_diff > 1 and not progress.is_streak_frozen: progress.streak = 0 progress.hearts = AppSettings.load().default_hearts_on_refill updates_to_save.extend(['streak', 'hearts']) elif days_diff == 1 and progress.hearts < AppSettings.load().default_hearts_on_refill: progress.hearts = AppSettings.load().default_hearts_on_refill updates_to_save.append('hearts') if updates_to_save: progress.save(update_fields=updates_to_save) serializer = SubjectProgressSerializer(progress) return Response(serializer.data) class RecordExerciseAttemptView(APIView): permission_classes = [permissions.IsAuthenticated] def post(self, request, *args, **kwargs): user = request.user exercise_id = request.data.get('exercise_id') was_correct = request.data.get('was_correct', False) if not exercise_id: return Response({'error': 'شناسه تمرین (exercise_id) مورد نیاز است.'}, status=status.HTTP_400_BAD_REQUEST) exercise = get_object_or_404(Exercise, id=exercise_id) subject = exercise.concept_level.concept.subject progress, _ = SubjectProgress.objects.get_or_create(user=user, subject=subject) if not was_correct and progress.hearts <= 0: return Response({'error': 'قلب شما تمام شده است.', 'hearts': 0}, status=status.HTTP_400_BAD_REQUEST) updates_to_save = [] if not was_correct: progress.hearts = F('hearts') - 1 updates_to_save.append('hearts') today = timezone.now().date() if progress.last_activity_date != today: if progress.last_activity_date and (today - progress.last_activity_date).days == 1: progress.streak = F('streak') + 1 else: progress.streak = 1 progress.last_activity_date = today updates_to_save.extend(['streak', 'last_activity_date']) if updates_to_save: progress.save(update_fields=updates_to_save) ExerciseAttempt.objects.create(user=user, exercise=exercise, was_correct=was_correct) if was_correct: for skill in exercise.skills.all(): mastery, _ = SkillMastery.objects.get_or_create(user=user, skill=skill) mastery.score = F('score') + 10 mastery.save() progress.refresh_from_db() return Response({'status': 'تلاش ثبت شد.', 'hearts': progress.hearts}, status=status.HTTP_200_OK) class CompleteStageView(APIView): permission_classes = [permissions.IsAuthenticated] def post(self, request, *args, **kwargs): path_node_id = request.data.get('path_node_id') was_perfect = request.data.get('was_perfect', False) if not path_node_id: return Response({'error': 'مقدار path_node_id مورد نیاز است.'}, status=status.HTTP_400_BAD_REQUEST) path_node = get_object_or_404(PathNode, id=path_node_id) user = request.user subject = path_node.unit.section.subject subject_progress, _ = SubjectProgress.objects.get_or_create(user=user, subject=subject) node_progress, _ = UserNodeProgress.objects.get_or_create(user=user, node=path_node) if node_progress.completed_stages >= path_node.num_stages: return Response({'status': 'این درس قبلاً تکمیل شده است.'}, status=status.HTTP_200_OK) xp_earned = path_node.base_xp_per_stage if was_perfect: xp_earned = int(xp_earned * 1.5) node_progress.completed_stages = F('completed_stages') + 1 node_progress.last_played_at = timezone.now() node_progress.save() subject_progress.total_xp = F('total_xp') + xp_earned subject_progress.weekly_xp = F('weekly_xp') + xp_earned today = timezone.now().date() if subject_progress.last_activity_date != today: if subject_progress.last_activity_date and (today - subject_progress.last_activity_date).days == 1: subject_progress.streak = F('streak') + 1 else: subject_progress.streak = 1 subject_progress.last_activity_date = today subject_progress.save() subject_progress.refresh_from_db() node_progress.refresh_from_db() # ========================================================= # ✅ بخش جدید: آپدیت مأموریت‌های سراسری (مهم) # ========================================================= active_missions = UserMission.objects.filter( user=user, assigned_date=today, status='IN_PROGRESS' ) for user_mission in active_missions: mission_type = user_mission.mission.mission_type should_update = False # اگر مأموریت از نوع "تکمیل مرحله" است if mission_type == 'COMPLETE_STAGES': user_mission.current_progress += 1 should_update = True # اگر مأموریت از نوع "بدون غلط" است و کاربر هم پرفکت زده elif mission_type == 'PERFECT_STAGES' and was_perfect: user_mission.current_progress += 1 should_update = True if should_update: if user_mission.current_progress >= user_mission.mission.goal_value: user_mission.current_progress = user_mission.mission.goal_value user_mission.status = 'COMPLETED' user_mission.save() # ========================================================= return Response({ 'status': 'مرحله با موفقیت ثبت شد.', 'completed_stages': node_progress.completed_stages, 'total_xp_in_subject': subject_progress.total_xp }, status=status.HTTP_200_OK)