提交

app/blueprints/bag_data/services.py

@@ -0,0 +1,73 @@
+# from datetime import datetime,timedelta
+# from app import db
+# from app.models import BagRecord
+# from sqlalchemy.exc import SQLAlchemyError
+# from sqlalchemy import func
+
+# def add():
+#     new_record = BagRecord(
+#         bag_name="sensor_data_2025.bag",
+#         collection_time=datetime(2025, 5, 1, 12, 1, 1),
+#         bag_state=0,
+#         frames=120,
+#         car_state=1,
+#         address="beijing",
+#         collect_month=5
+#     )
+#     db.session.add(new_record)
+#     db.session.commit()  # 提交事务 [1,7](@ref)
+
+
+# def create_record(data):
+#     """创建新记录"""
+#     try:
+#         # 转换日期类型字段
+#         if 'collection_time' in data:
+#             data['collection_time'] = datetime.fromisoformat(data['collection_time'])
+#         if 'parse_time' in data:
+#             data['parse_time'] = datetime.fromisoformat(data['parse_time'])
+        
+#         record = BagRecord(**data)
+#         db.session.add(record)
+#         db.session.commit()
+#         return record
+#     except SQLAlchemyError as e:
+#         db.session.rollback()
+#         raise e
+
+# def get_record_by_id(record_id):
+#     """根据ID获取记录"""
+#     return BagRecord.query.get(record_id)
+
+
+# def get_all_records(**filters):
+#         """获取所有记录（支持过滤）"""
+#         query = BagRecord.query
+#         if filters:
+#             query = query.filter_by(**filters)
+#         return query.all()
+
+
+# def get_daily_counts(start_date, end_date):
+#     # 执行 SQL 查询，按日期分组并统计数量
+#     query = (
+#         db.session.query(
+#             db.func.date(BagRecord.collection_time).label('date'),
+#             db.func.count(BagRecord.id).label('count')
+#         )
+#         .filter(BagRecord.collection_time >= start_date)
+#         .filter(BagRecord.collection_time <= end_date + timedelta(days=1))  # 包含结束日期
+#         .group_by(db.func.date(BagRecord.collection_time))
+#         .order_by(db.func.date(BagRecord.collection_time))
+#     )
+    
+#     print(query.all())
+#     # 将结果转换为字典列表
+#     results = []
+#     for date, count in query.all():
+#         results.append({
+#             'date': str(date),  # 将日期对象转换为字符串
+#             'count': count
+#         })
+    
+#     return results