Files
ClassManager/backend/models/subject.py
2026-05-29 11:12:13 +08:00

87 lines
3.1 KiB
Python

# ===========================================
# 班级操行分管理系统 - 后端服务
#
# 开发者: Canglan
# 联系方式: admin@sea-studio.top
# 版权归属: Sea Network Technology Studio
# 许可证: MIT License
#
# 版权所有 © Sea Network Technology Studio
# ===========================================
from typing import Optional, Dict, Any, List
from utils.database import execute_one, execute_query, execute_insert, execute_update
class SubjectModel:
"""科目数据模型"""
@staticmethod
async def get_all(is_active: bool = None) -> List[Dict[str, Any]]:
if is_active is not None:
sql = "SELECT * FROM subjects WHERE is_active = %s ORDER BY sort_order, subject_id"
return await execute_query(sql, (1 if is_active else 0,))
else:
sql = "SELECT * FROM subjects ORDER BY sort_order, subject_id"
return await execute_query(sql)
@staticmethod
async def get_by_id(subject_id: int) -> Optional[Dict[str, Any]]:
sql = "SELECT * FROM subjects WHERE subject_id = %s"
return await execute_one(sql, (subject_id,))
@staticmethod
async def get_by_name(subject_name: str) -> Optional[Dict[str, Any]]:
sql = "SELECT * FROM subjects WHERE subject_name = %s"
return await execute_one(sql, (subject_name,))
@staticmethod
async def create(subject_name: str, subject_code: str = None, sort_order: int = 0) -> int:
sql = """
INSERT INTO subjects (subject_name, subject_code, sort_order)
VALUES (%s, %s, %s)
"""
return await execute_insert(sql, (subject_name, subject_code, sort_order))
@staticmethod
async def update(subject_id: int, **kwargs) -> bool:
updates = []
params = []
if "subject_name" in kwargs:
updates.append("subject_name = %s")
params.append(kwargs["subject_name"])
if "subject_code" in kwargs:
updates.append("subject_code = %s")
params.append(kwargs["subject_code"])
if "is_active" in kwargs:
updates.append("is_active = %s")
params.append(1 if kwargs["is_active"] else 0)
if "sort_order" in kwargs:
updates.append("sort_order = %s")
params.append(kwargs["sort_order"])
if not updates:
return True
params.append(subject_id)
sql = f"UPDATE subjects SET {', '.join(updates)} WHERE subject_id = %s"
result = await execute_update(sql, tuple(params))
return result > 0
@staticmethod
async def has_related_data(subject_id: int) -> bool:
"""检查科目是否有关联数据"""
return False
@staticmethod
async def delete(subject_id: int) -> bool:
sql = "UPDATE subjects SET is_active = 0 WHERE subject_id = %s"
result = await execute_update(sql, (subject_id,))
return result > 0
@staticmethod
async def activate(subject_id: int) -> bool:
sql = "UPDATE subjects SET is_active = 1 WHERE subject_id = %s"
result = await execute_update(sql, (subject_id,))
return result > 0