Add battery inline editing for UPS host

ups_management/ups_manager/forms.py

@@ -0,0 +1,35 @@
+from django import forms
+from django.forms import inlineformset_factory
+from .models import UPSHost, Battery
+
+
+class BatteryForm(forms.ModelForm):
+    class Meta:
+        model = Battery
+        fields = ['brand', 'model', 'weight', 'quantity', 'location', 'install_date', 'last_maintenance_date']
+        labels = {
+            'brand': '电池品牌',
+            'model': '电池型号',
+            'weight': '重量(kg)',
+            'quantity': '数量',
+            'location': '存放位置',
+            'install_date': '安装日期',
+            'last_maintenance_date': '上次维保时间',
+        }
+        widgets = {
+            'brand': forms.TextInput(attrs={'class': 'form-control form-control-sm'}),
+            'model': forms.TextInput(attrs={'class': 'form-control form-control-sm'}),
+            'weight': forms.NumberInput(attrs={'class': 'form-control form-control-sm', 'step': '0.1'}),
+            'quantity': forms.NumberInput(attrs={'class': 'form-control form-control-sm', 'min': '1'}),
+            'location': forms.TextInput(attrs={'class': 'form-control form-control-sm'}),
+        }
+
+
+BatteryFormSet = inlineformset_factory(
+    UPSHost,
+    Battery,
+    form=BatteryForm,
+    extra=0,
+    can_delete=True,
+    fields=['brand', 'model', 'weight', 'quantity', 'location', 'install_date', 'last_maintenance_date']
+)