比赛

backend/competition/admin.py

@@ -1,3 +1,69 @@
 from django.contrib import admin
+from unfold.admin import ModelAdmin
+from .models import Competition, CompetitionEnrollment, ScoreDimension, Project, ProjectFile, Score, Comment
 
-# Register your models here.
+class ScoreDimensionInline(admin.TabularInline):
+    model = ScoreDimension
+    extra = 1
+    tab = True
+
+class ProjectFileInline(admin.TabularInline):
+    model = ProjectFile
+    extra = 0
+    tab = True
+
+@admin.register(Competition)
+class CompetitionAdmin(ModelAdmin):
+    list_display = ['title', 'status', 'start_time', 'end_time', 'is_active', 'created_at']
+    list_filter = ['status', 'is_active']
+    search_fields = ['title', 'description']
+    inlines = [ScoreDimensionInline]
+    
+    actions = ['make_published', 'make_ended']
+
+    def make_published(self, request, queryset):
+        queryset.update(status='published')
+    make_published.short_description = "发布选中比赛"
+
+    def make_ended(self, request, queryset):
+        queryset.update(status='ended')
+    make_ended.short_description = "结束选中比赛"
+
+@admin.register(CompetitionEnrollment)
+class CompetitionEnrollmentAdmin(ModelAdmin):
+    list_display = ['competition', 'user', 'role', 'status', 'created_at']
+    list_filter = ['competition', 'role', 'status']
+    search_fields = ['user__nickname', 'competition__title']
+    actions = ['approve_enrollment', 'reject_enrollment']
+
+    def approve_enrollment(self, request, queryset):
+        queryset.update(status='approved')
+    approve_enrollment.short_description = "通过审核"
+
+    def reject_enrollment(self, request, queryset):
+        queryset.update(status='rejected')
+    reject_enrollment.short_description = "拒绝申请"
+
+@admin.register(Project)
+class ProjectAdmin(ModelAdmin):
+    list_display = ['title', 'competition', 'contestant', 'status', 'final_score', 'created_at']
+    list_filter = ['competition', 'status']
+    search_fields = ['title', 'contestant__user__nickname']
+    inlines = [ProjectFileInline]
+    readonly_fields = ['final_score']
+
+@admin.register(Score)
+class ScoreAdmin(ModelAdmin):
+    list_display = ['project', 'judge', 'dimension', 'score', 'created_at']
+    list_filter = ['project__competition', 'dimension']
+    search_fields = ['project__title', 'judge__user__nickname']
+
+@admin.register(Comment)
+class CommentAdmin(ModelAdmin):
+    list_display = ['project', 'judge', 'content_preview', 'created_at']
+    list_filter = ['project__competition']
+    search_fields = ['project__title', 'judge__user__nickname', 'content']
+
+    def content_preview(self, obj):
+        return obj.content[:50] + '...' if len(obj.content) > 50 else obj.content
+    content_preview.short_description = "评语内容"

backend/competition/migrations/0001_initial.py

@@ -0,0 +1,141 @@
+# Generated by Django 6.0.1 on 2026-03-10 02:35
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('shop', '0039_vccourse_video_embed_code'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Competition',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=200, verbose_name='比赛名称')),
+                ('description', models.TextField(verbose_name='比赛简介')),
+                ('rule_description', models.TextField(verbose_name='规则说明')),
+                ('condition_description', models.TextField(blank=True, verbose_name='参赛条件说明')),
+                ('cover_image', models.ImageField(blank=True, null=True, upload_to='competitions/covers/', verbose_name='封面图')),
+                ('start_time', models.DateTimeField(verbose_name='开始时间')),
+                ('end_time', models.DateTimeField(verbose_name='结束时间')),
+                ('status', models.CharField(choices=[('draft', '草稿'), ('published', '已发布'), ('registration', '报名中'), ('submission', '作品提交中'), ('judging', '评审中'), ('ended', '已结束')], default='draft', max_length=20, verbose_name='状态')),
+                ('is_active', models.BooleanField(default=True, verbose_name='是否启用')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
+            ],
+            options={
+                'verbose_name': '比赛',
+                'verbose_name_plural': '比赛管理',
+                'ordering': ['-created_at'],
+            },
+        ),
+        migrations.CreateModel(
+            name='CompetitionEnrollment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('role', models.CharField(choices=[('contestant', '选手'), ('judge', '评委'), ('guest', '嘉宾')], default='contestant', max_length=20, verbose_name='角色')),
+                ('status', models.CharField(choices=[('pending', '待审核'), ('approved', '已通过'), ('rejected', '已拒绝')], default='pending', max_length=20, verbose_name='状态')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='申请时间')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
+                ('competition', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='enrollments', to='competition.competition', verbose_name='所属比赛')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='competitions', to='shop.wechatuser', verbose_name='用户')),
+            ],
+            options={
+                'verbose_name': '比赛人员',
+                'verbose_name_plural': '人员管理',
+                'unique_together': {('competition', 'user')},
+            },
+        ),
+        migrations.CreateModel(
+            name='Project',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=200, verbose_name='项目名称')),
+                ('description', models.TextField(verbose_name='项目介绍')),
+                ('team_info', models.TextField(blank=True, verbose_name='团队介绍')),
+                ('cover_image', models.ImageField(blank=True, null=True, upload_to='competitions/projects/covers/', verbose_name='项目封面')),
+                ('status', models.CharField(choices=[('draft', '草稿'), ('submitted', '已提交')], default='draft', max_length=20, verbose_name='状态')),
+                ('final_score', models.DecimalField(decimal_places=2, default=0.0, max_digits=10, verbose_name='最终得分')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
+                ('competition', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='projects', to='competition.competition', verbose_name='所属比赛')),
+                ('contestant', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='projects', to='competition.competitionenrollment', verbose_name='参赛选手')),
+            ],
+            options={
+                'verbose_name': '参赛项目',
+                'verbose_name_plural': '项目管理',
+                'ordering': ['-final_score', '-created_at'],
+            },
+        ),
+        migrations.CreateModel(
+            name='Comment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('content', models.TextField(verbose_name='评语内容')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='评论时间')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
+                ('judge', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='given_comments', to='competition.competitionenrollment', verbose_name='评委')),
+                ('project', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='comments', to='competition.project', verbose_name='所属项目')),
+            ],
+            options={
+                'verbose_name': '评委评语',
+                'verbose_name_plural': '评语管理',
+            },
+        ),
+        migrations.CreateModel(
+            name='ProjectFile',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('file_type', models.CharField(choices=[('ppt', 'PPT演示文稿'), ('pdf', 'PDF文档'), ('image', '图片'), ('video', '视频'), ('doc', '文档'), ('other', '其他')], default='other', max_length=20, verbose_name='文件类型')),
+                ('file', models.FileField(blank=True, null=True, upload_to='competitions/projects/files/', verbose_name='文件')),
+                ('file_url', models.URLField(blank=True, help_text='视频等大文件建议使用外部链接', null=True, verbose_name='文件链接')),
+                ('name', models.CharField(blank=True, max_length=100, verbose_name='文件名称')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='上传时间')),
+                ('project', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='files', to='competition.project', verbose_name='所属项目')),
+            ],
+            options={
+                'verbose_name': '项目附件',
+                'verbose_name_plural': '附件管理',
+            },
+        ),
+        migrations.CreateModel(
+            name='ScoreDimension',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100, verbose_name='维度名称')),
+                ('description', models.TextField(blank=True, verbose_name='维度说明')),
+                ('weight', models.DecimalField(decimal_places=2, default=1.0, help_text='例如 0.3 表示 30%', max_digits=5, verbose_name='权重')),
+                ('max_score', models.IntegerField(default=100, verbose_name='满分值')),
+                ('order', models.IntegerField(default=0, verbose_name='排序权重')),
+                ('competition', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='score_dimensions', to='competition.competition', verbose_name='所属比赛')),
+            ],
+            options={
+                'verbose_name': '评分维度',
+                'verbose_name_plural': '评分维度配置',
+                'ordering': ['order'],
+            },
+        ),
+        migrations.CreateModel(
+            name='Score',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('score', models.DecimalField(decimal_places=1, max_digits=5, verbose_name='得分')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='打分时间')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
+                ('judge', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='given_scores', to='competition.competitionenrollment', verbose_name='评委')),
+                ('project', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='scores', to='competition.project', verbose_name='所属项目')),
+                ('dimension', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='competition.scoredimension', verbose_name='评分维度')),
+            ],
+            options={
+                'verbose_name': '评分记录',
+                'verbose_name_plural': '评分记录',
+                'unique_together': {('project', 'judge', 'dimension')},
+            },
+        ),
+    ]

backend/competition/models.py

@@ -1,3 +1,253 @@
 from django.db import models
+from shop.models import WeChatUser
 
-# Create your models here.
+class Competition(models.Model):
+    """
+    比赛管理模型
+    """
+    STATUS_CHOICES = (
+        ('draft', '草稿'),
+        ('published', '已发布'),
+        ('registration', '报名中'),
+        ('submission', '作品提交中'),
+        ('judging', '评审中'),
+        ('ended', '已结束'),
+    )
+
+    title = models.CharField(max_length=200, verbose_name="比赛名称")
+    description = models.TextField(verbose_name="比赛简介")
+    rule_description = models.TextField(verbose_name="规则说明")
+    condition_description = models.TextField(verbose_name="参赛条件说明", blank=True)
+    
+    cover_image = models.ImageField(upload_to='competitions/covers/', verbose_name="封面图", null=True, blank=True)
+    
+    start_time = models.DateTimeField(verbose_name="开始时间")
+    end_time = models.DateTimeField(verbose_name="结束时间")
+    
+    status = models.CharField(max_length=20, choices=STATUS_CHOICES, default='draft', verbose_name="状态")
+    
+    is_active = models.BooleanField(default=True, verbose_name="是否启用")
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
+    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")
+
+    def __str__(self):
+        return self.title
+
+    class Meta:
+        verbose_name = "比赛"
+        verbose_name_plural = "比赛管理"
+        ordering = ['-created_at']
+
+
+class CompetitionEnrollment(models.Model):
+    """
+    比赛人员报名/角色分配
+    """
+    ROLE_CHOICES = (
+        ('contestant', '选手'),
+        ('judge', '评委'),
+        ('guest', '嘉宾'),
+    )
+    
+    STATUS_CHOICES = (
+        ('pending', '待审核'),
+        ('approved', '已通过'),
+        ('rejected', '已拒绝'),
+    )
+
+    competition = models.ForeignKey(Competition, on_delete=models.CASCADE, related_name='enrollments', verbose_name="所属比赛")
+    user = models.ForeignKey(WeChatUser, on_delete=models.CASCADE, related_name='competitions', verbose_name="用户")
+    
+    role = models.CharField(max_length=20, choices=ROLE_CHOICES, default='contestant', verbose_name="角色")
+    status = models.CharField(max_length=20, choices=STATUS_CHOICES, default='pending', verbose_name="状态")
+    
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name="申请时间")
+    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")
+
+    class Meta:
+        verbose_name = "比赛人员"
+        verbose_name_plural = "人员管理"
+        unique_together = ('competition', 'user')
+
+    def __str__(self):
+        return f"{self.competition.title} - {self.user.nickname} ({self.get_role_display()})"
+
+
+class ScoreDimension(models.Model):
+    """
+    评分维度配置
+    """
+    competition = models.ForeignKey(Competition, on_delete=models.CASCADE, related_name='score_dimensions', verbose_name="所属比赛")
+    name = models.CharField(max_length=100, verbose_name="维度名称")
+    description = models.TextField(verbose_name="维度说明", blank=True)
+    weight = models.DecimalField(max_digits=5, decimal_places=2, default=1.00, verbose_name="权重", help_text="例如 0.3 表示 30%")
+    max_score = models.IntegerField(default=100, verbose_name="满分值")
+    
+    order = models.IntegerField(default=0, verbose_name="排序权重")
+
+    class Meta:
+        verbose_name = "评分维度"
+        verbose_name_plural = "评分维度配置"
+        ordering = ['order']
+
+    def __str__(self):
+        return f"{self.competition.title} - {self.name}"
+
+
+class Project(models.Model):
+    """
+    参赛项目/作品
+    """
+    STATUS_CHOICES = (
+        ('draft', '草稿'),
+        ('submitted', '已提交'),
+    )
+
+    competition = models.ForeignKey(Competition, on_delete=models.CASCADE, related_name='projects', verbose_name="所属比赛")
+    contestant = models.ForeignKey(CompetitionEnrollment, on_delete=models.CASCADE, related_name='projects', verbose_name="参赛选手")
+    
+    title = models.CharField(max_length=200, verbose_name="项目名称")
+    description = models.TextField(verbose_name="项目介绍")
+    team_info = models.TextField(verbose_name="团队介绍", blank=True)
+    
+    cover_image = models.ImageField(upload_to='competitions/projects/covers/', verbose_name="项目封面", null=True, blank=True)
+    
+    status = models.CharField(max_length=20, choices=STATUS_CHOICES, default='draft', verbose_name="状态")
+    
+    # 最终得分缓存，避免每次实时计算
+    final_score = models.DecimalField(max_digits=10, decimal_places=2, default=0.00, verbose_name="最终得分")
+    
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
+    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")
+
+    class Meta:
+        verbose_name = "参赛项目"
+        verbose_name_plural = "项目管理"
+        ordering = ['-final_score', '-created_at']
+
+    def __str__(self):
+        return self.title
+    
+    def calculate_score(self):
+        """
+        计算项目得分
+        计算公式：
+        1. 获取所有评委对该项目的打分
+        2. 按维度加权平均
+        这里简化处理：
+        总分 = (所有评委的总加权分之和) / 评委人数
+        其中每个评委对项目的打分 = sum(维度分 * 维度权重)
+        """
+        # 获取所有评分
+        scores = self.scores.all()
+        if not scores.exists():
+            return 0
+        
+        # 找出所有参与评分的评委
+        judges = set(score.judge for score in scores)
+        if not judges:
+            return 0
+            
+        total_weighted_score = 0
+        
+        for judge in judges:
+            judge_score = 0
+            # 获取该评委对该项目的所有维度打分
+            judge_scores = scores.filter(judge=judge)
+            
+            current_judge_total_score = 0
+            current_judge_total_weight = 0
+            
+            for score in judge_scores:
+                current_judge_total_score += score.score * score.dimension.weight
+                current_judge_total_weight += score.dimension.weight
+            
+            if current_judge_total_weight > 0:
+                judge_score = current_judge_total_score / current_judge_total_weight
+                # 如果是百分制，这里算出来就是0-100
+            
+            total_weighted_score += judge_score
+            
+        # 平均分
+        avg_score = total_weighted_score / len(judges)
+        self.final_score = avg_score
+        self.save()
+        return avg_score
+
+
+class ProjectFile(models.Model):
+    """
+    项目附件
+    """
+    FILE_TYPE_CHOICES = (
+        ('ppt', 'PPT演示文稿'),
+        ('pdf', 'PDF文档'),
+        ('image', '图片'),
+        ('video', '视频'),
+        ('doc', '文档'),
+        ('other', '其他'),
+    )
+
+    project = models.ForeignKey(Project, on_delete=models.CASCADE, related_name='files', verbose_name="所属项目")
+    file_type = models.CharField(max_length=20, choices=FILE_TYPE_CHOICES, default='other', verbose_name="文件类型")
+    
+    file = models.FileField(upload_to='competitions/projects/files/', verbose_name="文件", null=True, blank=True)
+    file_url = models.URLField(verbose_name="文件链接", null=True, blank=True, help_text="视频等大文件建议使用外部链接")
+    
+    name = models.CharField(max_length=100, verbose_name="文件名称", blank=True)
+    
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name="上传时间")
+
+    class Meta:
+        verbose_name = "项目附件"
+        verbose_name_plural = "附件管理"
+
+    def __str__(self):
+        return self.name or f"{self.get_file_type_display()}"
+
+
+class Score(models.Model):
+    """
+    评委打分
+    """
+    project = models.ForeignKey(Project, on_delete=models.CASCADE, related_name='scores', verbose_name="所属项目")
+    judge = models.ForeignKey(CompetitionEnrollment, on_delete=models.CASCADE, related_name='given_scores', verbose_name="评委")
+    dimension = models.ForeignKey(ScoreDimension, on_delete=models.CASCADE, verbose_name="评分维度")
+    
+    score = models.DecimalField(max_digits=5, decimal_places=1, verbose_name="得分")
+    
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name="打分时间")
+    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")
+
+    class Meta:
+        verbose_name = "评分记录"
+        verbose_name_plural = "评分记录"
+        unique_together = ('project', 'judge', 'dimension')
+
+    def __str__(self):
+        return f"{self.judge.user.nickname} -> {self.project.title}: {self.score}"
+        
+    def save(self, *args, **kwargs):
+        super().save(*args, **kwargs)
+        # 触发重新计算分数
+        self.project.calculate_score()
+
+
+class Comment(models.Model):
+    """
+    评委评语
+    """
+    project = models.ForeignKey(Project, on_delete=models.CASCADE, related_name='comments', verbose_name="所属项目")
+    judge = models.ForeignKey(CompetitionEnrollment, on_delete=models.CASCADE, related_name='given_comments', verbose_name="评委")
+    
+    content = models.TextField(verbose_name="评语内容")
+    
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name="评论时间")
+    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")
+
+    class Meta:
+        verbose_name = "评委评语"
+        verbose_name_plural = "评语管理"
+
+    def __str__(self):
+        return f"{self.judge.user.nickname} -> {self.project.title}"

backend/competition/serializers.py

@@ -0,0 +1,72 @@
+from rest_framework import serializers
+from .models import Competition, CompetitionEnrollment, ScoreDimension, Project, ProjectFile, Score, Comment
+from shop.serializers import WeChatUserSerializer
+
+class ScoreDimensionSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ScoreDimension
+        fields = ['id', 'name', 'description', 'weight', 'max_score', 'order']
+
+class CompetitionSerializer(serializers.ModelSerializer):
+    score_dimensions = ScoreDimensionSerializer(many=True, read_only=True)
+    
+    class Meta:
+        model = Competition
+        fields = ['id', 'title', 'description', 'rule_description', 'condition_description', 
+                  'cover_image', 'start_time', 'end_time', 'status', 'is_active', 
+                  'score_dimensions', 'created_at']
+
+class CompetitionEnrollmentSerializer(serializers.ModelSerializer):
+    user = WeChatUserSerializer(read_only=True)
+    
+    class Meta:
+        model = CompetitionEnrollment
+        fields = ['id', 'competition', 'user', 'role', 'status', 'created_at']
+        read_only_fields = ['status']
+
+class ProjectFileSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ProjectFile
+        fields = ['id', 'project', 'file_type', 'file', 'file_url', 'name', 'created_at']
+
+    def validate_file(self, value):
+        if not value:
+            return value
+        # 50MB limit
+        limit_mb = 50
+        if value.size > limit_mb * 1024 * 1024:
+            raise serializers.ValidationError(f"文件大小不能超过 {limit_mb}MB")
+        return value
+
+class ProjectSerializer(serializers.ModelSerializer):
+    files = ProjectFileSerializer(many=True, read_only=True)
+    contestant_info = serializers.SerializerMethodField()
+    
+    class Meta:
+        model = Project
+        fields = ['id', 'competition', 'contestant', 'title', 'description', 'team_info', 
+                  'cover_image', 'status', 'final_score', 'files', 'contestant_info', 'created_at']
+        read_only_fields = ['final_score', 'contestant']
+
+    def get_contestant_info(self, obj):
+        return {
+            "nickname": obj.contestant.user.nickname,
+            "avatar_url": obj.contestant.user.avatar_url
+        }
+
+class ScoreSerializer(serializers.ModelSerializer):
+    judge_name = serializers.CharField(source='judge.user.nickname', read_only=True)
+    dimension_name = serializers.CharField(source='dimension.name', read_only=True)
+    
+    class Meta:
+        model = Score
+        fields = ['id', 'project', 'judge', 'dimension', 'score', 'judge_name', 'dimension_name', 'created_at']
+        read_only_fields = ['judge']
+
+class CommentSerializer(serializers.ModelSerializer):
+    judge_name = serializers.CharField(source='judge.user.nickname', read_only=True)
+    
+    class Meta:
+        model = Comment
+        fields = ['id', 'project', 'judge', 'content', 'judge_name', 'created_at']
+        read_only_fields = ['judge']

backend/competition/urls.py

@@ -0,0 +1,17 @@
+from django.urls import path, include
+from rest_framework.routers import DefaultRouter
+from .views import (
+    CompetitionViewSet, ProjectViewSet, ProjectFileViewSet,
+    ScoreViewSet, CommentViewSet
+)
+
+router = DefaultRouter()
+router.register(r'competitions', CompetitionViewSet)
+router.register(r'projects', ProjectViewSet, basename='project')
+router.register(r'files', ProjectFileViewSet, basename='projectfile')
+router.register(r'scores', ScoreViewSet, basename='score')
+router.register(r'comments', CommentViewSet, basename='comment')
+
+urlpatterns = [
+    path('', include(router.urls)),
+]

backend/competition/views.py

@@ -1,3 +1,232 @@
-from django.shortcuts import render
+from rest_framework import viewsets, permissions, status, filters
+from rest_framework.decorators import action
+from rest_framework.response import Response
+from django.db.models import Q
+from shop.utils import get_current_wechat_user
+from .models import Competition, CompetitionEnrollment, Project, ProjectFile, Score, Comment, ScoreDimension
+from .serializers import (
+    CompetitionSerializer, CompetitionEnrollmentSerializer, 
+    ProjectSerializer, ProjectFileSerializer, 
+    ScoreSerializer, CommentSerializer, ScoreDimensionSerializer
+)
 
-# Create your views here.
+class CompetitionViewSet(viewsets.ReadOnlyModelViewSet):
+    """
+    比赛视图集
+    """
+    queryset = Competition.objects.filter(is_active=True).order_by('-created_at')
+    serializer_class = CompetitionSerializer
+    permission_classes = [permissions.AllowAny]
+    filter_backends = [filters.SearchFilter]
+    search_fields = ['title', 'description']
+
+    @action(detail=True, methods=['post'], permission_classes=[permissions.AllowAny])
+    def enroll(self, request, pk=None):
+        """
+        报名参加比赛
+        """
+        competition = self.get_object()
+        user = get_current_wechat_user(request)
+        if not user:
+            return Response({"detail": "未登录"}, status=status.HTTP_401_UNAUTHORIZED)
+            
+        role = request.data.get('role', 'contestant')
+        
+        # 检查是否已报名
+        if CompetitionEnrollment.objects.filter(competition=competition, user=user).exists():
+            return Response({"detail": "您已报名该比赛"}, status=status.HTTP_400_BAD_REQUEST)
+            
+        enrollment = CompetitionEnrollment.objects.create(
+            competition=competition,
+            user=user,
+            role=role,
+            status='pending'  # 默认待审核
+        )
+        
+        return Response(CompetitionEnrollmentSerializer(enrollment).data, status=status.HTTP_201_CREATED)
+
+    @action(detail=True, methods=['get'])
+    def my_enrollment(self, request, pk=None):
+        """
+        获取我的报名信息
+        """
+        competition = self.get_object()
+        user = get_current_wechat_user(request)
+        if not user:
+            return Response({"detail": "未登录"}, status=status.HTTP_401_UNAUTHORIZED)
+            
+        try:
+            enrollment = CompetitionEnrollment.objects.get(competition=competition, user=user)
+            return Response(CompetitionEnrollmentSerializer(enrollment).data)
+        except CompetitionEnrollment.DoesNotExist:
+            return Response({"detail": "未报名"}, status=status.HTTP_404_NOT_FOUND)
+
+
+class ProjectViewSet(viewsets.ModelViewSet):
+    """
+    参赛项目视图集
+    """
+    serializer_class = ProjectSerializer
+    permission_classes = [permissions.AllowAny]
+    
+    def get_queryset(self):
+        queryset = Project.objects.all()
+        competition_id = self.request.query_params.get('competition')
+        if competition_id:
+            queryset = queryset.filter(competition_id=competition_id)
+            
+        # 如果是普通用户，只能看到已提交的项目，或者自己草稿的项目
+        user = get_current_wechat_user(self.request)
+        if user:
+            # 查找用户在这个比赛中的角色
+            # 如果是评委，可以看到所有项目（包括草稿吗？通常评委只看提交的）
+            # 这里简化：评委看所有submitted，用户看所有submitted + 自己的draft
+            
+            # 找到用户参与的所有比赛角色
+            enrollments = CompetitionEnrollment.objects.filter(user=user)
+            judge_competitions = enrollments.filter(role='judge').values_list('competition_id', flat=True)
+            
+            # 基本查询：所有已提交的项目
+            q = Q(status='submitted')
+            
+            # 加上自己创建的项目 (即使是draft)
+            q |= Q(contestant__user=user)
+            
+            # 加上自己是评委的比赛的所有项目 (通常评委只看submitted，但如果需要预审可以看draft，这里假设只看submitted)
+            # q |= Q(competition__in=judge_competitions) 
+            
+            queryset = queryset.filter(q)
+        else:
+            # 未登录用户只能看已提交
+            queryset = queryset.filter(status='submitted')
+            
+        return queryset.order_by('-final_score', '-created_at')
+
+    def perform_create(self, serializer):
+        user = get_current_wechat_user(self.request)
+        if not user:
+            raise serializers.ValidationError("请先登录")
+            
+        competition = serializer.validated_data['competition']
+        
+        # 检查是否有参赛资格
+        try:
+            enrollment = CompetitionEnrollment.objects.get(
+                competition=competition, 
+                user=user, 
+                role='contestant',
+                status='approved'
+            )
+        except CompetitionEnrollment.DoesNotExist:
+            raise serializers.ValidationError("您没有参赛资格或审核未通过")
+            
+        serializer.save(contestant=enrollment)
+
+    @action(detail=True, methods=['post'])
+    def submit(self, request, pk=None):
+        """
+        提交项目（从草稿转为已提交）
+        """
+        project = self.get_object()
+        user = get_current_wechat_user(request)
+        
+        if project.contestant.user != user:
+            return Response({"detail": "无权操作"}, status=status.HTTP_403_FORBIDDEN)
+            
+        project.status = 'submitted'
+        project.save()
+        return Response({"status": "submitted"})
+
+
+class ProjectFileViewSet(viewsets.ModelViewSet):
+    """
+    项目附件管理
+    """
+    serializer_class = ProjectFileSerializer
+    permission_classes = [permissions.AllowAny]
+    
+    def get_queryset(self):
+        return ProjectFile.objects.all()
+        
+    def perform_create(self, serializer):
+        # 简单权限控制：只有项目拥有者可以上传
+        project = serializer.validated_data['project']
+        user = get_current_wechat_user(self.request)
+        
+        if not user or project.contestant.user != user:
+            raise serializers.ValidationError("无权上传文件")
+            
+        serializer.save()
+
+
+class ScoreViewSet(viewsets.ModelViewSet):
+    """
+    评分管理
+    """
+    serializer_class = ScoreSerializer
+    permission_classes = [permissions.AllowAny]
+    
+    def get_queryset(self):
+        project_id = self.request.query_params.get('project')
+        if project_id:
+            return Score.objects.filter(project_id=project_id)
+        return Score.objects.all()
+
+    def perform_create(self, serializer):
+        user = get_current_wechat_user(self.request)
+        if not user:
+            raise serializers.ValidationError("请先登录")
+            
+        project = serializer.validated_data['project']
+        
+        # 检查是否是评委
+        try:
+            enrollment = CompetitionEnrollment.objects.get(
+                competition=project.competition,
+                user=user,
+                role='judge',
+                status='approved'
+            )
+        except CompetitionEnrollment.DoesNotExist:
+            raise serializers.ValidationError("您不是该比赛的评委")
+            
+        # 检查是否重复打分
+        dimension = serializer.validated_data['dimension']
+        if Score.objects.filter(project=project, judge=enrollment, dimension=dimension).exists():
+            raise serializers.ValidationError("您已对该维度打分")
+            
+        serializer.save(judge=enrollment)
+
+
+class CommentViewSet(viewsets.ModelViewSet):
+    """
+    评语管理
+    """
+    serializer_class = CommentSerializer
+    permission_classes = [permissions.AllowAny]
+    
+    def get_queryset(self):
+        project_id = self.request.query_params.get('project')
+        if project_id:
+            return Comment.objects.filter(project_id=project_id)
+        return Comment.objects.all()
+
+    def perform_create(self, serializer):
+        user = get_current_wechat_user(self.request)
+        if not user:
+            raise serializers.ValidationError("请先登录")
+            
+        project = serializer.validated_data['project']
+        
+        # 检查是否是评委
+        try:
+            enrollment = CompetitionEnrollment.objects.get(
+                competition=project.competition,
+                user=user,
+                role='judge',
+                status='approved'
+            )
+        except CompetitionEnrollment.DoesNotExist:
+            raise serializers.ValidationError("您不是该比赛的评委")
+            
+        serializer.save(judge=enrollment)

backend/config/urls.py

@@ -8,6 +8,7 @@ urlpatterns = [
     path('admin/', admin.site.urls),
     path('api/', include('shop.urls')),
     path('api/community/', include('community.urls')),
+    path('api/competition/', include('competition.urls')),
     
     # Swagger文档路由
     path('api/schema/', SpectacularAPIView.as_view(), name='schema'),