Ching d8887eaf5b fix(models): 优化ScanLog查询方法
简化ScanLog模型中查询今天日志的方法,使用更简洁的ORM查询方式。
2025-02-09 18:14:59 +08:00

61 lines
1.5 KiB
Python

from peewee import *
from datetime import datetime, time
import json
# Create database instance
db = SqliteDatabase('scanner.db')
class BaseModel(Model):
class Meta:
database = db
class BarcodeDB(BaseModel):
barcode = CharField(unique=True)
product_info = TextField()
class Meta:
table_name = 'barcode_db'
class ScanLog(BaseModel):
barcode = CharField()
scan_at = DateTimeField(default=datetime.now)
class Meta:
table_name = 'scan_logs'
@classmethod
def get_today_logs(cls):
# Get today's start and end timestamps
today = datetime.now().date()
today_start = datetime.combine(today, time.min) # Start of day (00:00:00)
today_end = datetime.combine(today, time.max) # End of day (23:59:59.999999)
# Query logs for today
return cls.select().where(cls.scan_at.between(today_start, today_end))
def serialize(self):
# Try to get product info from BarcodeDB
name = None
try:
product = BarcodeDB.get(BarcodeDB.barcode == self.barcode)
product_info = json.loads(product.product_info)
name = product_info.get('name')
except BarcodeDB.DoesNotExist:
pass
return {
'barcode': self.barcode,
'name': name,
'scan_at': self.scan_at
}
# Create tables
def create_tables():
with db:
db.create_tables([BarcodeDB, ScanLog])
if __name__ == '__main__':
create_tables()