v0.1测试

backend/models/subject.py

@@ -0,0 +1,82 @@
+# ===========================================
+# 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 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