Initial commit: Django gallery project

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

gallery/admin.py

@@ -0,0 +1,160 @@
+from django.contrib import admin
+from django.utils.html import format_html
+from .models import Artwork, Category, About, Comment
+
+
+class CategoryAdmin(admin.ModelAdmin):
+    list_display = ('name', 'slug', 'created_at', 'updated_at')
+    list_filter = ('created_at', 'updated_at')
+    search_fields = ('name', 'slug')
+    prepopulated_fields = {'slug': ('name',)}
+    ordering = ('name',)
+
+
+class ArtworkAdmin(admin.ModelAdmin):
+    list_display = (
+        'title',
+        'category',
+        'order',
+        'view_count',
+        'created_at',
+        'thumbnail_preview'
+    )
+    list_filter = ('category', 'created_at')
+    search_fields = ('title', 'description', 'slug')
+    list_editable = ('order',)
+    prepopulated_fields = {'slug': ('title',)}
+    ordering = ('order', '-created_at')
+    readonly_fields = ('view_count', 'created_at', 'updated_at', 'image_preview')
+    fieldsets = (
+        ('基本信息', {
+            'fields': ('title', 'slug', 'description', 'category')
+        }),
+        ('图片设置', {
+            'fields': ('image', 'image_preview', 'thumbnail')
+        }),
+        ('排序与统计', {
+            'fields': ('order', 'view_count')
+        }),
+        ('时间信息', {
+            'fields': ('created_at', 'updated_at'),
+            'classes': ('collapse',)
+        }),
+    )
+
+    def thumbnail_preview(self, obj):
+        if obj.thumbnail:
+            return format_html(
+                '<img src="{}" style="max-height: 50px; max-width: 50px;" />',
+                obj.thumbnail.url
+            )
+        return "-"
+    thumbnail_preview.short_description = '缩略图'
+
+    def image_preview(self, obj):
+        if obj.image:
+            return format_html(
+                '<img src="{}" style="max-height: 200px; max-width: 200px;" />',
+                obj.image.url
+            )
+        return "-"
+    image_preview.short_description = '图片预览'
+
+
+class AboutAdmin(admin.ModelAdmin):
+    list_display = ('title', 'created_at', 'updated_at')
+    readonly_fields = ('created_at', 'updated_at', 'image_preview')
+    fieldsets = (
+        ('内容', {
+            'fields': ('title', 'content', 'image')
+        }),
+        ('预览', {
+            'fields': ('image_preview',),
+            'classes': ('collapse',)
+        }),
+        ('时间信息', {
+            'fields': ('created_at', 'updated_at'),
+            'classes': ('collapse',)
+        }),
+    )
+
+    def image_preview(self, obj):
+        if obj.image:
+            return format_html(
+                '<img src="{}" style="max-height: 200px; max-width: 200px;" />',
+                obj.image.url
+            )
+        return "-"
+    image_preview.short_description = '图片预览'
+
+    def has_add_permission(self, request):
+        # 只允许有一个关于页面
+        if About.objects.exists():
+            return False
+        return super().has_add_permission(request)
+
+    def has_delete_permission(self, request, obj=None):
+        # 不允许删除关于页面
+        return False
+
+
+class CommentAdmin(admin.ModelAdmin):
+    """评论管理"""
+
+    list_display = ['id', 'user', 'artwork', 'text_preview', 'has_image', 'created_at', 'is_active']
+    list_filter = ['artwork', 'user', 'is_active', 'created_at']
+    search_fields = ['text', 'user__username', 'artwork__title']
+    list_editable = ['is_active']
+    list_per_page = 20
+
+    fieldsets = (
+        ('基本信息', {
+            'fields': ('artwork', 'user', 'is_active')
+        }),
+        ('评论内容', {
+            'fields': ('text', 'image')
+        }),
+        ('时间信息', {
+            'fields': ('created_at', 'updated_at'),
+            'classes': ('collapse',)
+        }),
+    )
+    readonly_fields = ('created_at', 'updated_at')
+
+    def text_preview(self, obj):
+        """文本内容预览"""
+        if obj.text:
+            return obj.text[:50] + '...' if len(obj.text) > 50 else obj.text
+        return '-'
+    text_preview.short_description = '评论内容'
+
+    def has_image(self, obj):
+        """是否有图片"""
+        return bool(obj.image)
+    has_image.short_description = '有图片'
+    has_image.boolean = True
+
+    actions = ['activate_comments', 'deactivate_comments']
+
+    def activate_comments(self, request, queryset):
+        """批量激活评论"""
+        updated = queryset.update(is_active=True)
+        self.message_user(request, f'已激活 {updated} 条评论')
+    activate_comments.short_description = '激活选中评论'
+
+    def deactivate_comments(self, request, queryset):
+        """批量停用评论"""
+        updated = queryset.update(is_active=False)
+        self.message_user(request, f'已停用 {updated} 条评论')
+    deactivate_comments.short_description = '停用选中评论'
+
+
+admin.site.register(Category, CategoryAdmin)
+admin.site.register(Artwork, ArtworkAdmin)
+admin.site.register(About, AboutAdmin)
+admin.site.register(Comment, CommentAdmin)
+
+# 自定义管理站点标题
+admin.site.site_header = 'Yitao-Ren Gallery 管理后台'
+admin.site.site_title = '画廊管理'
+admin.site.index_title = '欢迎使用画廊管理后台'