144 lines
4.9 KiB
Python
144 lines
4.9 KiB
Python
# ===========================================
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# 班级操行分管理系统 - 学生数据模型
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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 Optional, List, Dict, Any
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from utils.database import execute_one, execute_query, execute_insert, execute_update, execute_many
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from utils.security import security
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from utils.logger import get_logger
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logger = get_logger(__name__)
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class StudentModel:
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"""学生数据模型"""
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@staticmethod
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async def get_by_id(student_id: int) -> Optional[Dict[str, Any]]:
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"""根据ID获取学生信息"""
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sql = """
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SELECT s.*
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FROM students s
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WHERE s.student_id = %s
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"""
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return await execute_one(sql, (student_id,))
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@staticmethod
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async def get_by_student_no(student_no: str) -> Optional[Dict[str, Any]]:
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"""根据学号获取学生信息"""
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sql = """
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SELECT s.*
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FROM students s
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WHERE s.student_no = %s
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"""
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return await execute_one(sql, (student_no,))
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@staticmethod
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async def get_all(include_disabled: bool = False) -> List[Dict[str, Any]]:
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"""获取所有学生列表（单班级）"""
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sql = """
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SELECT student_id, student_no, name, total_points, parent_phone, status
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FROM students
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WHERE 1=1
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"""
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if not include_disabled:
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sql += " AND status = 1"
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sql += " ORDER BY student_no"
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return await execute_query(sql)
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@staticmethod
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async def create(
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student_no: str,
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name: str,
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parent_phone: str = None,
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initial_points: int = 60
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) -> int:
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"""创建学生（初始操行分默认60分）"""
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sql = """
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INSERT INTO students (student_no, name, parent_phone, total_points)
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VALUES (%s, %s, %s, %s)
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"""
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return await execute_insert(sql, (student_no, name, parent_phone, initial_points))
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@staticmethod
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async def update(student_id: int, name: str = None, parent_phone: str = None, status: int = None) -> bool:
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"""更新学生信息"""
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updates = []
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params = []
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if name is not None:
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updates.append("name = %s")
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params.append(name)
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if parent_phone is not None:
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updates.append("parent_phone = %s")
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params.append(parent_phone)
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if status is not None:
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updates.append("status = %s")
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params.append(status)
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if not updates:
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return True
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params.append(student_id)
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sql = f"UPDATE students SET {', '.join(updates)} WHERE student_id = %s"
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result = await execute_update(sql, tuple(params))
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return result > 0
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@staticmethod
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async def delete(student_id: int) -> bool:
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"""删除学生（软删除）"""
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sql = "UPDATE students SET status = 0 WHERE student_id = %s"
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result = await execute_update(sql, (student_id,))
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return result > 0
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@staticmethod
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async def update_total_points(student_id: int, points_change: int) -> bool:
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"""更新学生总分"""
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sql = "UPDATE students SET total_points = total_points + %s WHERE student_id = %s"
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result = await execute_update(sql, (points_change, student_id))
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return result > 0
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@staticmethod
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async def get_ranking(limit: int = 50) -> List[Dict[str, Any]]:
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"""获取学生排行（单班级）"""
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sql = """
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SELECT student_id, student_no, name, total_points,
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RANK() OVER (ORDER BY total_points DESC) as rank
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FROM students
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WHERE status = 1
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ORDER BY total_points DESC
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LIMIT %s
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"""
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return await execute_query(sql, (limit,))
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@staticmethod
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async def batch_create(students_data: List[Dict], initial_points: int = 60) -> List[Dict]:
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"""批量创建学生"""
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results = []
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for student in students_data:
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try:
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student_id = await StudentModel.create(
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student_no=student.get('student_no'),
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name=student.get('name'),
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parent_phone=student.get('parent_phone'),
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initial_points=initial_points
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)
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results.append({
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'student_no': student.get('student_no'),
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'success': True,
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'student_id': student_id
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})
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except Exception as e:
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results.append({
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'student_no': student.get('student_no'),
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'success': False,
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'error': str(e)
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})
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return results |