hz4th_coder
e689fed71e
功能特性: - 前端文章展示 (Markdown渲染、代码高亮) - 后台管理系统 (文章、分类、标签、作者管理) - 图片上传 (点击、拖拽、粘贴) - 网站设置 (Logo、底部宣传图片上传) - 访问统计 (IP记录、趋势图表) - 参考来源、附件支持 - 单端口部署 (16012) 技术栈: - Flask 3.0 + SQLAlchemy - SQLite数据库 - marked.js + highlight.js (Markdown渲染) - Chart.js (统计图表)
62 lines
1.6 KiB
Python
62 lines
1.6 KiB
Python
"""分类服务"""
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from app import db
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from app.models import Category
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class CategoryService:
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"""分类业务逻辑"""
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@staticmethod
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def get_all():
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"""获取所有分类"""
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return Category.query.order_by(Category.sort_order).all()
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@staticmethod
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def get_by_id(category_id):
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"""通过ID获取分类"""
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return Category.query.get(category_id)
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@staticmethod
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def get_by_slug(slug):
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"""通过slug获取分类"""
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return Category.query.filter_by(slug=slug).first()
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@staticmethod
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def create(name, slug=None, description=None, sort_order=0):
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"""创建分类"""
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from slugify import slugify
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slug = slug or slugify(name)
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category = Category(
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name=name,
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slug=slug,
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description=description,
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sort_order=sort_order
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)
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db.session.add(category)
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db.session.commit()
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return category
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@staticmethod
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def update(category_id, **kwargs):
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"""更新分类"""
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category = Category.query.get(category_id)
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if not category:
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return None
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for key, value in kwargs.items():
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if hasattr(category, key):
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setattr(category, key, value)
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db.session.commit()
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return category
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@staticmethod
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def delete(category_id):
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"""删除分类"""
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category = Category.query.get(category_id)
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if category:
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db.session.delete(category)
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db.session.commit()
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return True
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return False |