班级api,schema,dao

api/class_api.py

@@ -22,4 +22,28 @@ def put_classes(id:int,classes:ClassUpdate,db=Depends(get_db)):
     if r :
         return ClassResponse( total=1,data=updates )
     else :
-        raise HTTPException(status_code=500, detail='更新失败，该班级已不存在或服务器繁忙，请稍后更新！')
+        raise HTTPException(status_code=500, detail='更新失败，该班级已不存在或服务器繁忙，请稍后更新！')
+
+
+@classes_router.get('')
+def get_classes( id:int|None = None
+               , class_no:str|None = None
+               , class_name:str|None = None
+               , page:int = 1
+               , page_size:int = 5
+               , db=Depends(get_db)
+               ):
+    t,r = get_classes_dao( id , class_no , class_name , page , page_size ,db )
+    if t != 0 :
+        return ClassResponse( total = t, data = r )
+    else :
+        return ClassResponse( code = 404,detail = '没有符合条件的班级，请检查输入是否有误')
+
+
+@classes_router.delete('/{id}',response_model=ClassResponse)
+def delete_classes(id:int,db=Depends(get_db)):
+    r = update_classes_dao( id , db )
+    if r :
+        return ClassResponse( total=1,data='已成功删除班级信息' )
+    else :
+        raise HTTPException(status_code=500, detail='删除失败，该班级信息已不存在或服务器繁忙，请稍后更新！')

dao/class_dao.py

@@ -14,7 +14,7 @@ def post_classes_dao( c , db ):
 
 def update_classes_dao( class_id , db , updates ):
     try :
-        db.query( Classes ).filter( Classes.id==class_id , Classes.is_deleted==0 ) .update( updates )
+        db.query( Classes ).filter( Classes.id == class_id , Classes.is_deleted == 0 ) .update( updates )
     except :
         db.rollback()
         return False
@@ -22,8 +22,35 @@ def update_classes_dao( class_id , db , updates ):
         db.commit()
         return True
 
-# def get_classes_dao( class_id , class_name ,  db ):
-#     try :
-#         r = db.query( Classes ).filter( Classes.id==class_id , Classes.is_deleted==0 ) .all()
-#     except :
-#         db.rollback()
+def get_classes_dao( class_id, class_no , class_name , page , page_size , db ):
+    q = db.query( Classes ).filter( Classes.is_deleted == 0 )
+    if class_id :
+        q = q.filter( Classes.id == class_id )
+    if class_no :
+        q = q.filter( Classes.class_no == class_no )
+    if class_name :
+        q = q.filter( Classes.class_name == class_name )
+    total = q.count()
+    r = q.offset( ( page-1 ) * page_size  ).limit( page_size ).all()
+    return total,[ { 'class_id':i.id
+                   , 'class_no':i.class_no
+                   , 'class_name':i.class_name
+                   , 'start_date':i.start_date
+                   , 'end_date':i.end_date
+                   , 'created_at':i.created_at
+                   , 'update_at':i.update_at
+                   }
+                      for i in r
+                 ]
+
+
+
+def delete_classes_dao( class_id , db  ):
+    try :
+        db.query( Classes ).filter( Classes.id == class_id , Classes.is_deleted == 0 ) .update( Classes.is_deleted == 1 )
+    except :
+        db.rollback()
+        return False
+    else :
+        db.commit()
+        return True

schemas/class_schema.py

@@ -21,4 +21,4 @@ class ClassResponse( BaseModel ):
     code:int = 200
     detail:str = '执行成功'
     total:int = 0
-    data:str|dict|list|tuple
+    data:str|dict|list|tuple