97 lines
4.0 KiB
Python
97 lines
4.0 KiB
Python
from django.db.models import Q
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from rest_framework.views import APIView
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from rest_framework.permissions import IsAuthenticated
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from rest_framework import status
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from drf_yasg.utils import swagger_auto_schema
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from drf_yasg import openapi
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from learn.models import ChapterRead
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from article.models import Article
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from learn.models import CourseFavorite
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from utils.response_codes import create_standardized_response, create_standardized_error_response
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success_response = openapi.Response('成功', examples={'application/json': {'code': 10000, 'message': 'success'}})
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unauthorized_response = openapi.Response('未授权', examples={'application/json': {'code': 40101, 'message': '未登录'}})
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class UserActivityView(APIView):
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permission_classes = [IsAuthenticated]
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@swagger_auto_schema(
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tags=['用户'],
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operation_summary='获取用户活动时间线',
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operation_description='聚合用户的各种活动（发表文章、收藏、学习进度等），按时间倒序返回',
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manual_parameters=[
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openapi.Parameter('page', openapi.IN_QUERY, description='页码', type=openapi.TYPE_INTEGER, default=1),
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openapi.Parameter('page_size', openapi.IN_QUERY, description='每页数量', type=openapi.TYPE_INTEGER, default=20),
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],
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responses={200: success_response, 401: unauthorized_response},
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)
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def get(self, request):
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user = request.user
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page = int(request.query_params.get('page', 1))
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page_size = int(request.query_params.get('page_size', 20))
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activities = []
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# 文章活动
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articles = Article.objects.filter(author=user, status='published').order_by('-created_at')[:50]
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for article in articles:
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activities.append({
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'id': f'article_{article.id}',
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'type': 'article',
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'title': '发表文章',
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'description': f'发布了《{article.title}》',
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'target_id': article.id,
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'target_type': 'article',
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'created_at': article.created_at.strftime('%Y-%m-%d %H:%M:%S'),
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'timestamp': int(article.created_at.timestamp()),
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})
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# 收藏活动
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favorites = CourseFavorite.objects.filter(user=user).select_related('course').order_by('-created_at')[:50]
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for fav in favorites:
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activities.append({
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'id': f'favorite_{fav.id}',
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'type': 'favorite',
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'title': '收藏课程',
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'description': f'收藏了《{fav.course.title}》',
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'target_id': fav.course.id,
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'target_type': 'course',
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'created_at': fav.created_at.strftime('%Y-%m-%d %H:%M:%S'),
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'timestamp': int(fav.created_at.timestamp()),
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})
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# 学习进度
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reads = ChapterRead.objects.filter(user=user, completed=True).select_related('chapter', 'course').order_by('-completed_at')[:50]
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for read in reads:
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activities.append({
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'id': f'study_{read.id}',
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'type': 'study',
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'title': '完成学习',
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'description': f'完成了《{read.course.title}》- {read.chapter.title}',
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'target_id': read.chapter.id,
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'target_type': 'chapter',
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'created_at': read.completed_at.strftime('%Y-%m-%d %H:%M:%S') if read.completed_at else '',
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'timestamp': int(read.completed_at.timestamp()) if read.completed_at else 0,
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})
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# 按时间戳倒序排序
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activities.sort(key=lambda x: x['timestamp'], reverse=True)
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# 分页
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total = len(activities)
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start = (page - 1) * page_size
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end = start + page_size
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paginated = activities[start:end]
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return create_standardized_response(
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data={
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'activities': paginated,
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'total': total,
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'page': page,
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'page_size': page_size,
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'has_more': end < total,
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}
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)
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