111 lines
3.8 KiB
Python
111 lines
3.8 KiB
Python
from django.http import JsonResponse
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from adrf.views import APIView
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from rest_framework.permissions import IsAuthenticated
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from rest_framework.parsers import JSONParser
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from asgiref.sync import sync_to_async
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from ..models import Tool, ToolFavorite
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class ToolFavoriteToggleView(APIView):
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permission_classes = [IsAuthenticated]
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parser_classes = [JSONParser]
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async def post(self, request, tool_id):
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# 事务段（get_or_create + delete + count）整体放入同步函数，sync_to_async 执行保证原子性
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def _toggle_in_txn():
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from django.db import transaction
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with transaction.atomic():
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try:
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tool = Tool.objects.get(pk=tool_id, is_enabled=True)
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except Tool.DoesNotExist:
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return None
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favorite, created = ToolFavorite.objects.get_or_create(
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user=request.user,
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tool=tool
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)
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if not created:
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favorite.delete()
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is_favorite = False
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message = '已取消收藏'
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else:
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is_favorite = True
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message = '已添加收藏'
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favorite_count = ToolFavorite.objects.filter(tool=tool).count()
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return {
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'tool_id': tool.id,
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'is_favorite': is_favorite,
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'favorite_count': favorite_count,
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'message': message,
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}
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result = await sync_to_async(_toggle_in_txn)()
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if result is None:
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return JsonResponse({'success': False, 'error': '工具不存在'}, status=404)
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return JsonResponse({
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'success': True,
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'data': {
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'id': result['tool_id'],
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'is_favorite': result['is_favorite'],
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'favorite_count': result['favorite_count']
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},
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'message': result['message']
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})
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class ToolFavoriteListView(APIView):
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permission_classes = [IsAuthenticated]
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async def get(self, request):
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favorites = [fav async for fav in ToolFavorite.objects.select_related(
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'tool', 'tool__category'
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).filter(
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user=request.user,
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tool__is_enabled=True
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).order_by('-created_at')]
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data = []
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for fav in favorites:
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favorite_count = await ToolFavorite.objects.filter(tool=fav.tool).acount()
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data.append({
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'id': fav.tool.id,
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'name': fav.tool.name,
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'description': fav.tool.description,
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'icon': fav.tool.icon,
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'url_path': fav.tool.url_path,
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'color': fav.tool.color,
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'category': fav.tool.category.id if fav.tool.category else None,
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'category_name': fav.tool.category.name if fav.tool.category else '',
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'is_favorite': True,
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'favorite_count': favorite_count,
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'created_at': fav.created_at.isoformat()
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})
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return JsonResponse({
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'success': True,
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'data': {
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'count': len(data),
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'results': data
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}
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})
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class ToolFavoriteStatusView(APIView):
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permission_classes = [IsAuthenticated]
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async def get(self, request, tool_id):
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is_favorite = await ToolFavorite.objects.filter(
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user=request.user,
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tool_id=tool_id
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).aexists()
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favorite_count = await ToolFavorite.objects.filter(tool_id=tool_id).acount()
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return JsonResponse({
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'success': True,
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'data': {
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'tool_id': tool_id,
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'is_favorite': is_favorite,
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'favorite_count': favorite_count
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}
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})
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