82 lines
2.6 KiB
Python
82 lines
2.6 KiB
Python
# ===========================================
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# 班级操行分管理系统 - 后端服务
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#
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# 开发者: Canglan
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# 联系方式: admin@sea-studio.top
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# 版权归属: Sea Network Technology Studio
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# 许可证: MIT License
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#
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# 版权所有 © Sea Network Technology Studio
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# ===========================================
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from typing import Dict, Any, List, Optional
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from models.subject import SubjectModel
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from utils.logger import get_logger
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logger = get_logger(__name__)
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class SubjectService:
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"""科目服务"""
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@staticmethod
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async def get_subjects(is_active: Optional[bool] = None) -> Dict[str, Any]:
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"""获取科目列表"""
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subjects = await SubjectModel.get_all(is_active=is_active)
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return {
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"subjects": subjects,
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"total": len(subjects)
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}
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@staticmethod
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async def create_subject(
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subject_name: str,
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subject_code: Optional[str],
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sort_order: int = 0
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) -> Dict[str, Any]:
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"""创建科目"""
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# 检查是否已存在
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existing = await SubjectModel.get_by_name(subject_name)
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if existing:
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return {"success": False, "message": "科目名称已存在"}
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subject_id = await SubjectModel.create(
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subject_name=subject_name,
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subject_code=subject_code,
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sort_order=sort_order
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)
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if subject_id:
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logger.info(f"创建科目: {subject_name}")
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return {"success": True, "subject_id": subject_id}
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else:
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return {"success": False, "message": "创建科目失败"}
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@staticmethod
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async def update_subject(subject_id: int, **kwargs) -> Dict[str, Any]:
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"""更新科目"""
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result = await SubjectModel.update(subject_id, **kwargs)
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if result:
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logger.info(f"更新科目: {subject_id}")
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return {"success": True}
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else:
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return {"success": False, "message": "更新科目失败"}
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@staticmethod
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async def delete_subject(subject_id: int) -> Dict[str, Any]:
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"""删除科目（真正删除记录）"""
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# 检查科目是否有关联数据
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has_data = await SubjectModel.has_related_data(subject_id)
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if has_data:
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return {"success": False, "message": "该科目下已有作业数据，无法删除"}
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result = await SubjectModel.delete(subject_id)
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if result:
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logger.info(f"删除科目: {subject_id}")
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return {"success": True}
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else:
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return {"success": False, "message": "删除科目失败"} |