refactor(reaction): 下线 comment app

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

CLAUDE.md

@@ -54,7 +54,7 @@ Each Django app follows the same structure:
     └── admin.py      # Admin URL patterns
 ```
 
-Apps: `account`, `problem`, `submission`, `contest`, `ai`, `flowchart`, `problemset`, `class_pk`, `announcement`, `tutorial`, `message`, `comment`, `conf`, `options`, `judge`
+Apps: `account`, `problem`, `submission`, `contest`, `ai`, `flowchart`, `problemset`, `class_pk`, `announcement`, `tutorial`, `message`, `reaction`, `conf`, `options`, `judge`
 
 `utils/` is itself a Django app (listed in `INSTALLED_APPS`) — not just a helpers package. It provides `RichTextField` (XSS-sanitized `TextField`), `APIError`, the base `APIView`, caching, WebSocket helpers, and the `inituser` management command. Import shared utilities from `utils.*`.
 

comment/migrations/0001_initial.py

@@ -1,38 +0,0 @@
-# Generated by Django 5.2.3 on 2025-06-14 08:51
-
-import django.db.models.deletion
-from django.conf import settings
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    initial = True
-
-    dependencies = [
-        ('problem', '0001_initial'),
-        ('submission', '0001_initial'),
-        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='Comment',
-            fields=[
-                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('language', models.CharField(choices=[('Python', 'Python'), ('C', 'C'), ('C++', 'C++'), ('Java', 'Java')], default='Python', max_length=10, verbose_name='解决这道题使用的语言')),
-                ('description_rating', models.PositiveSmallIntegerField(default=5, verbose_name='题目描述的分数')),
-                ('difficulty_rating', models.PositiveSmallIntegerField(default=5, verbose_name='题目难度的分数')),
-                ('comprehensive_rating', models.PositiveSmallIntegerField(default=5, verbose_name='综合的分数')),
-                ('content', models.TextField(blank=True, null=True)),
-                ('create_time', models.DateTimeField(auto_now_add=True)),
-                ('problem', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='problem.problem')),
-                ('submission', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='submission.submission')),
-                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
-            ],
-            options={
-                'db_table': 'comment',
-                'ordering': ('-create_time',),
-            },
-        ),
-    ]

comment/migrations/0002_comment_comment_problem_time_idx.py

@@ -1,21 +0,0 @@
-# Generated by Django 6.0 on 2026-04-23 20:07
-
-from django.conf import settings
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('comment', '0001_initial'),
-        ('problem', '0007_problem_problem_visible_idx'),
-        ('submission', '0004_submission_problem_user_idx'),
-        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
-    ]
-
-    operations = [
-        migrations.AddIndex(
-            model_name='comment',
-            index=models.Index(fields=['problem', 'create_time'], name='comment_problem_time_idx'),
-        ),
-    ]

comment/models.py

@@ -1,45 +0,0 @@
-from django.db import models
-
-from account.models import User
-from problem.models import Problem
-from submission.models import Submission
-
-
-class Languages(models.TextChoices):
-    Python = "Python", "Python"
-    C = "C", "C"
-    Cpp = "C++", "C++"
-    Java = "Java", "Java"
-
-
-class Comment(models.Model):
-    problem = models.ForeignKey(Problem, on_delete=models.CASCADE)
-    user = models.ForeignKey(User, on_delete=models.CASCADE)
-    submission = models.ForeignKey(Submission, on_delete=models.CASCADE)
-    language = models.CharField(
-        max_length=10,
-        default=Languages.Python,
-        choices=Languages.choices,
-        verbose_name="解决这道题使用的语言",
-    )
-    description_rating = models.PositiveSmallIntegerField(
-        default=5,
-        verbose_name="题目描述的分数",
-    )
-    difficulty_rating = models.PositiveSmallIntegerField(
-        default=5,
-        verbose_name="题目难度的分数",
-    )
-    comprehensive_rating = models.PositiveSmallIntegerField(
-        default=5,
-        verbose_name="综合的分数",
-    )
-    content = models.TextField(null=True, blank=True)
-    create_time = models.DateTimeField(auto_now_add=True)
-
-    class Meta:
-        db_table = "comment"
-        ordering = ("-create_time",)
-        indexes = [
-            models.Index(fields=["problem", "create_time"], name="comment_problem_time_idx"),
-        ]

comment/serializers.py

@@ -1,31 +0,0 @@
-from comment.models import Comment
-from utils.api import UsernameSerializer, serializers
-
-
-class CreateCommentSerializer(serializers.Serializer):
-    problem_id = serializers.IntegerField()
-    description_rating = serializers.IntegerField()
-    difficulty_rating = serializers.IntegerField()
-    comprehensive_rating = serializers.IntegerField()
-    content = serializers.CharField(required=False, allow_blank=True)
-
-
-class CommentSerializer(serializers.ModelSerializer):
-    class Meta:
-        model = Comment
-        fields = [
-            "comprehensive_rating",
-            "description_rating",
-            "difficulty_rating",
-            "content",
-            "create_time",
-        ]
-
-
-class CommentListSerializer(serializers.ModelSerializer):
-    problem = serializers.SlugRelatedField(read_only=True, slug_field="_id")
-    user = UsernameSerializer()
-
-    class Meta:
-        model = Comment
-        fields = "__all__"

comment/urls/admin.py

@@ -1,7 +0,0 @@
-from django.urls import path
-
-from ..views.admin import CommentAPI
-
-urlpatterns = [
-    path("comment", CommentAPI.as_view()),
-]

comment/urls/oj.py

@@ -1,8 +0,0 @@
-from django.urls import path
-
-from ..views.oj import CommentAPI, CommentStatisticsAPI
-
-urlpatterns = [
-    path("comment", CommentAPI.as_view()),
-    path("comment/statistics", CommentStatisticsAPI.as_view()),
-]

comment/views/admin.py

@@ -1,27 +0,0 @@
-from account.decorators import super_admin_required
-from comment.models import Comment
-from comment.serializers import CommentListSerializer
-from problem.models import Problem
-from utils.api import APIView
-
-
-class CommentAPI(APIView):
-    @super_admin_required
-    def get(self, request):
-        comments = Comment.objects.select_related("problem").exclude(content="")
-        problem_id = request.GET.get("problem")
-        if problem_id:
-            try:
-                # 这里如果题目不可见，也需要显示该题目的评论
-                problem = Problem.objects.get(_id__iexact=problem_id, contest_id__isnull=True)
-            except Problem.DoesNotExist:
-                return self.error("Problem doesn't exist")
-            comments = comments.filter(problem=problem)
-        return self.success(self.paginate_data(request, comments, CommentListSerializer))
-
-    @super_admin_required
-    def delete(self, request):
-        id = request.GET.get("id")
-        if id:
-            Comment.objects.filter(id=id).delete()
-        return self.success()

comment/views/oj.py

@@ -1,90 +0,0 @@
-from django.db.models import Avg, Count
-from django.db.models.functions import Round
-
-from account.decorators import login_required
-from comment.models import Comment
-from comment.serializers import CommentSerializer, CreateCommentSerializer
-from problem.models import Problem
-from submission.models import JudgeStatus, Submission
-from utils.api import AsyncAPIView
-from utils.api.api import validate_serializer
-from utils.async_helpers import async_cache_delete, async_cache_get, async_cache_set
-from utils.constants import CacheKey
-
-
-class CommentAPI(AsyncAPIView):
-    @login_required
-    @validate_serializer(CreateCommentSerializer)
-    async def post(self, request):
-        data = request.data
-        try:
-            problem = await Problem.objects.aget(id=data["problem_id"], visible=True)
-        except Problem.DoesNotExist:
-            return self.error("problem is not exists")
-
-        submission = await (
-            Submission.objects.select_related("problem")
-            .filter(
-                user_id=request.user.id,
-                problem_id=data["problem_id"],
-                result__in=[JudgeStatus.ACCEPTED, JudgeStatus.AST_CHECK_FAILED],
-            )
-            .afirst()
-        )
-        if not submission:
-            return self.error("submission is not exists or not accepted")
-
-        language = submission.language
-        if language == "Python3":
-            language = "Python"
-
-        await Comment.objects.acreate(
-            user=request.user,
-            problem=problem,
-            submission=submission,
-            language=language,
-            description_rating=data["description_rating"],
-            difficulty_rating=data["difficulty_rating"],
-            comprehensive_rating=data["comprehensive_rating"],
-            content=data["content"],
-        )
-        await async_cache_delete(f"{CacheKey.comment_stats}:{problem.id}")
-        return self.success()
-
-    @login_required
-    async def get(self, request):
-        problem_id = request.GET.get("problem_id")
-        comment = await Comment.objects.select_related("problem").filter(user=request.user, problem_id=problem_id).afirst()
-        if comment:
-            return self.success(await self.async_serialize_data(CommentSerializer, comment))
-        else:
-            return self.success()
-
-
-class CommentStatisticsAPI(AsyncAPIView):
-    async def get(self, request):
-        problem_id = request.GET.get("problem_id")
-        cache_key = f"{CacheKey.comment_stats}:{problem_id}"
-        cached = await async_cache_get(cache_key)
-        if cached is not None:
-            return self.success(cached)
-
-        agg = await Comment.objects.filter(problem_id=problem_id).aaggregate(
-            count=Count("id"),
-            description=Round(Avg("description_rating"), 2),
-            difficulty=Round(Avg("difficulty_rating"), 2),
-            comprehensive=Round(Avg("comprehensive_rating"), 2),
-        )
-        if not agg["count"]:
-            return self.success()
-
-        data = {
-            "count": agg["count"],
-            "rating": {
-                "description": agg["description"],
-                "difficulty": agg["difficulty"],
-                "comprehensive": agg["comprehensive"],
-            },
-        }
-        await async_cache_set(cache_key, data, 3600)
-        return self.success(data)

oj/settings.py

@@ -54,7 +54,6 @@ LOCAL_APPS = [
     "options",
     "judge",
     "message",
-    "comment",
     "reaction",
     "tutorial",
     "ai",

oj/urls.py

@@ -17,8 +17,6 @@ urlpatterns = [
     path("api/", include("message.urls.oj")),
     path("api/", include("reaction.urls.oj")),
     path("api/admin/", include("reaction.urls.admin")),
-    path("api/", include("comment.urls.oj")),
-    path("api/admin/", include("comment.urls.admin")),
     path("api/", include("tutorial.urls.tutorial")),
     path("api/admin/", include("tutorial.urls.admin")),
     path("api/", include("ai.urls.oj")),

reaction/migrations/0002_delete_comment.py

@@ -0,0 +1,14 @@
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("reaction", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.RunSQL(
+            sql="DROP TABLE IF EXISTS comment CASCADE;",
+            reverse_sql=migrations.RunSQL.noop,
+        ),
+    ]

utils/constants.py

@@ -17,7 +17,6 @@ class CacheKey:
     website_config = "website_config"
     problem_authors = "problem_authors"
     problem_tags = "problem_tags"
-    comment_stats = "comment_stats"
     reaction_stats = "reaction_stats"
     user_activity_rank = "user_activity_rank"
     problem_yearly_ac = "problem_yearly_ac"