community

backend/community/admin.py

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+from django.contrib import admin
+from django.utils.html import format_html
+from unfold.admin import ModelAdmin, TabularInline
+from unfold.decorators import display
+from .models import Activity, ActivitySignup, Topic, Reply, TopicMedia
+
+class ActivitySignupInline(TabularInline):
+    model = ActivitySignup
+    extra = 0
+    readonly_fields = ('signup_time',)
+    fields = ('user', 'status', 'signup_time')
+    autocomplete_fields = ['user']
+    can_delete = True
+    show_change_link = True
+
+class ReplyInline(TabularInline):
+    model = Reply
+    extra = 0
+    readonly_fields = ('created_at',)
+    fields = ('content', 'author', 'created_at')
+    can_delete = True
+    show_change_link = True
+
+class TopicMediaInline(TabularInline):
+    model = TopicMedia
+    extra = 0
+    fields = ('file', 'media_type', 'created_at')
+    readonly_fields = ('created_at',)
+    can_delete = True
+
+@admin.register(Activity)
+class ActivityAdmin(ModelAdmin):
+    list_display = ('title', 'banner_display', 'start_time', 'location', 'signup_count', 'is_active', 'created_at')
+    list_filter = ('is_active', 'start_time')
+    search_fields = ('title', 'location')
+    inlines = [ActivitySignupInline]
+    
+    fieldsets = (
+        ('基本信息', {
+            'fields': ('title', 'description', 'banner', 'is_active')
+        }),
+        ('时间与地点', {
+            'fields': ('start_time', 'end_time', 'location'),
+            'classes': ('tab',)
+        }),
+        ('报名设置', {
+            'fields': ('max_participants',)
+        }),
+    )
+
+    @display(description="Banner")
+    def banner_display(self, obj):
+        if obj.banner:
+            return format_html('<img src="{}" height="50" style="border-radius: 4px;" />', obj.banner.url)
+        return "暂无"
+
+    @display(description="报名人数")
+    def signup_count(self, obj):
+        return obj.signups.count()
+
+@admin.register(ActivitySignup)
+class ActivitySignupAdmin(ModelAdmin):
+    list_display = ('activity', 'user', 'signup_time', 'status_label')
+    list_filter = ('status', 'signup_time', 'activity')
+    search_fields = ('user__nickname', 'activity__title')
+    autocomplete_fields = ['activity', 'user']
+    
+    fieldsets = (
+        ('报名详情', {
+            'fields': ('activity', 'user', 'status')
+        }),
+        ('时间信息', {
+            'fields': ('signup_time',),
+            'classes': ('collapse',)
+        }),
+    )
+    readonly_fields = ('signup_time',)
+
+    @display(
+        description="状态",
+        label={
+            "pending": "warning",
+            "confirmed": "success",
+            "cancelled": "danger",
+        }
+    )
+    def status_label(self, obj):
+        return obj.status
+
+@admin.register(Topic)
+class TopicAdmin(ModelAdmin):
+    list_display = ('title', 'author', 'get_related_item', 'reply_count', 'view_count', 'is_pinned', 'created_at')
+    list_filter = ('is_pinned', 'created_at', 'related_product', 'related_service', 'related_course')
+    search_fields = ('title', 'content', 'author__nickname')
+    autocomplete_fields = ['author', 'related_product', 'related_service', 'related_course']
+    inlines = [TopicMediaInline, ReplyInline]
+    
+    fieldsets = (
+        ('帖子内容', {
+            'fields': ('title', 'content', 'is_pinned')
+        }),
+        ('关联信息', {
+            'fields': ('author', 'related_product', 'related_service', 'related_course'),
+            'description': '可关联 硬件、服务 或 课程，用于技术求助或讨论'
+        }),
+        ('统计数据', {
+            'fields': ('view_count', 'created_at', 'updated_at'),
+            'classes': ('collapse',)
+        }),
+    )
+    readonly_fields = ('created_at', 'updated_at')
+
+    @display(description="关联项目")
+    def get_related_item(self, obj):
+        if obj.related_product:
+            return f"[硬件] {obj.related_product.name}"
+        if obj.related_service:
+            return f"[服务] {obj.related_service.title}"
+        if obj.related_course:
+            return f"[课程] {obj.related_course.title}"
+        return "-"
+
+    @display(description="回复数")
+    def reply_count(self, obj):
+        return obj.replies.count()
+
+@admin.register(Reply)
+class ReplyAdmin(ModelAdmin):
+    list_display = ('short_content', 'topic', 'author', 'created_at')
+    list_filter = ('created_at',)
+    search_fields = ('content', 'author__nickname', 'topic__title')
+    autocomplete_fields = ['author', 'topic', 'reply_to']
+    inlines = [TopicMediaInline]
+    
+    fieldsets = (
+        ('回复内容', {
+            'fields': ('topic', 'reply_to', 'content')
+        }),
+        ('发布信息', {
+            'fields': ('author', 'created_at')
+        }),
+    )
+    readonly_fields = ('created_at',)
+
+    @display(description="内容摘要")
+    def short_content(self, obj):
+        return obj.content[:30] + '...' if len(obj.content) > 30 else obj.content
+
+@admin.register(TopicMedia)
+class TopicMediaAdmin(ModelAdmin):
+    list_display = ('id', 'media_type', 'file_preview', 'topic', 'reply', 'created_at')
+    list_filter = ('media_type', 'created_at')
+    search_fields = ('file', 'topic__title')
+    autocomplete_fields = ['topic', 'reply']
+    
+    @display(description="预览")
+    def file_preview(self, obj):
+        if obj.media_type == 'image':
+            return format_html('<img src="{}" height="50" style="border-radius: 4px;" />', obj.file.url)
+        return obj.file.name