feat(models): 添加扫码日志记录功能

为了记录扫码操作，添加了一个新的方法add_log到ScanLog模型中。

app.py

@@ -531,6 +531,7 @@ def add_to_stream():
         stream_id = r.xadd(STREAM_KEY, data)
 
         if data['data'].isnumeric():
+            models.ScanLog.add_log(data['data'])
             bark_push('扫码成功', '条形码 %s' % data['data'])
         else:
             bark_push('扫码成功', '二维码 %s' % data['data'])

models.py

@@ -31,10 +31,7 @@ class ScanLog(BaseModel):
         today_end = datetime.combine(today, time.max)    # End of day (23:59:59.999999)
         
         # Query logs for today
-        return cls.objects.filter(
+        return cls.select().where(cls.scan_at.between(today_start, today_end))
-            scan_at__gte=today_start,
-            scan_at__lte=today_end
-        ).order_by('-scan_at')
     
     def serialize(self):
         # Try to get product info from BarcodeDB
@@ -52,6 +49,10 @@ class ScanLog(BaseModel):
             'scan_at': self.scan_at
         }
 
+    @classmethod
+    def add_log(cls, barcode):
+        # Add log to database
+        cls.create(barcode=barcode)
 
 
 # Create tables